./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL --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 ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:21:31,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:21:31,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:21:31,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:21:31,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:21:31,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:21:31,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:21:31,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:21:31,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:21:31,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:21:31,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:21:31,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:21:31,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:21:31,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:21:31,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:21:31,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:21:31,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:21:31,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:21:31,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:21:31,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:21:31,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:21:31,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:21:31,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:21:31,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:21:31,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:21:31,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:21:31,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:21:31,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:21:31,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:21:31,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:21:31,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:21:31,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:21:31,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:21:31,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:21:31,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:21:31,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:21:31,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:21:31,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:21:31,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:21:31,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:21:31,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:21:31,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 07:21:31,851 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:21:31,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:21:31,853 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:21:31,853 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:21:31,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:21:31,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:21:31,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:21:31,855 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:21:31,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:21:31,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:21:31,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:21:31,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:21:31,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:21:31,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:21:31,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:21:31,863 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:21:31,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:21:31,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:21:31,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:21:31,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:21:31,864 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:21:31,865 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:21:31,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:21:31,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:21:31,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:21:31,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:21:31,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:21:31,866 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:21:31,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:21:31,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:21:31,868 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_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda [2021-11-25 07:21:32,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:21:32,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:21:32,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:21:32,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:21:32,205 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:21:32,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2021-11-25 07:21:32,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/data/e44ebfb47/fbba6451e945437492bc0e272818d125/FLAG53d47004a [2021-11-25 07:21:32,791 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:21:32,791 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2021-11-25 07:21:32,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/data/e44ebfb47/fbba6451e945437492bc0e272818d125/FLAG53d47004a [2021-11-25 07:21:33,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/data/e44ebfb47/fbba6451e945437492bc0e272818d125 [2021-11-25 07:21:33,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:21:33,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:21:33,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:21:33,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:21:33,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:21:33,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b49a08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33, skipping insertion in model container [2021-11-25 07:21:33,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:21:33,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:21:33,355 WARN L230 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_a5132965-7fc9-40f9-bead-ff3bb7840f0c/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2021-11-25 07:21:33,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:21:33,372 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:21:33,385 WARN L230 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_a5132965-7fc9-40f9-bead-ff3bb7840f0c/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2021-11-25 07:21:33,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:21:33,402 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:21:33,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33 WrapperNode [2021-11-25 07:21:33,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:21:33,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:21:33,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:21:33,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:21:33,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,440 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2021-11-25 07:21:33,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:21:33,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:21:33,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:21:33,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:21:33,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:21:33,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:21:33,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:21:33,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:21:33,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:21:33,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:21:33,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:21:33,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:21:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:21:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:21:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:21:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:21:33,614 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:21:33,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:21:33,738 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:21:33,778 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:21:33,778 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 07:21:33,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:21:33 BoogieIcfgContainer [2021-11-25 07:21:33,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:21:33,788 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:21:33,788 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:21:33,813 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:21:33,813 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:21:33" (1/1) ... [2021-11-25 07:21:33,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:21:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:33,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-25 07:21:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-25 07:21:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:21:33,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:33,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-25 07:21:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-25 07:21:34,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:21:34,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:34,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:34,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2021-11-25 07:21:34,495 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-11-25 07:21:34,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:21:34,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:34,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-25 07:21:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-25 07:21:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:21:34,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:34,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2021-11-25 07:21:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2021-11-25 07:21:35,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:21:35,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:35,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:35,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:35,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2021-11-25 07:21:35,981 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2021-11-25 07:21:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:21:35,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:35,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:21:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2021-11-25 07:21:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-25 07:21:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:21:36,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:36,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2021-11-25 07:21:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2021-11-25 07:21:37,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:21:37,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:37,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-25 07:21:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-25 07:21:38,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:21:38,046 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-11-25 07:21:38,055 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-25 07:21:38,128 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-25 07:21:38,139 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:21:38,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:21:38 ImpRootNode [2021-11-25 07:21:38,140 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:21:38,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:21:38,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:21:38,141 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:21:38,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:21:33" (3/4) ... [2021-11-25 07:21:38,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:21:38,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-25 07:21:38,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 07:21:38,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 07:21:38,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 07:21:38,197 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:21:38,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:21:38,198 INFO L158 Benchmark]: Toolchain (without parser) took 5040.11ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 54.7MB in the beginning and 76.6MB in the end (delta: -21.8MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-11-25 07:21:38,199 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.6MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:21:38,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.75ms. Allocated memory is still 88.1MB. Free memory was 54.4MB in the beginning and 64.6MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:21:38,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.83ms. Allocated memory is still 88.1MB. Free memory was 64.6MB in the beginning and 63.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:21:38,201 INFO L158 Benchmark]: Boogie Preprocessor took 39.82ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 62.3MB in the end (delta: 788.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:21:38,202 INFO L158 Benchmark]: RCFGBuilder took 305.12ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 52.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:21:38,203 INFO L158 Benchmark]: CodeCheck took 4351.98ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 78.7MB in the end (delta: -26.3MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2021-11-25 07:21:38,203 INFO L158 Benchmark]: Witness Printer took 56.80ms. Allocated memory is still 113.2MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:21:38,207 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 233 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 907 IncrementalHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 233 mSolverCounterUnsat, 0 mSDtfsCounter, 907 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 654 GetRequests, 515 SyntacticMatches, 25 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5192 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 7/13 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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: 24]: Loop Invariant Derived loop invariant: ((((0 <= x && n + y <= 2147483647 + x) && 2147483646 < y) && x <= 2147483646) || (((n <= 2147483647 && 0 <= x) && y <= 2147483646) && 0 <= y + 2147483648)) || (n <= 2147483647 && 2147483646 < x) - 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 0.31ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.6MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.75ms. Allocated memory is still 88.1MB. Free memory was 54.4MB in the beginning and 64.6MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.83ms. Allocated memory is still 88.1MB. Free memory was 64.6MB in the beginning and 63.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.82ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 62.3MB in the end (delta: 788.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.12ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 52.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4351.98ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 78.7MB in the end (delta: -26.3MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 56.80ms. Allocated memory is still 113.2MB. Free memory was 78.7MB in the beginning and 76.6MB 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! [2021-11-25 07:21:38,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5132965-7fc9-40f9-bead-ff3bb7840f0c/bin/ukojak-d1pc8ZmBRL/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