./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 ................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:14:17,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:14:17,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:14:17,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:14:17,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:14:17,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:14:17,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:14:17,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:14:17,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:14:17,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:14:17,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:14:17,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:14:17,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:14:17,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:14:17,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:14:17,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:14:17,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:14:17,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:14:17,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:14:17,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:14:17,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:14:17,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:14:17,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:14:17,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:14:17,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:14:17,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:14:17,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:14:17,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:14:17,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:14:17,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:14:17,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:14:17,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:14:17,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:14:17,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:14:17,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:14:17,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:14:17,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:14:17,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:14:17,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:14:17,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:14:17,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:14:17,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-29 03:14:17,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:14:17,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:14:17,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:14:17,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:14:17,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:14:17,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:14:17,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:14:17,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:14:17,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:14:17,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:14:17,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:14:17,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:14:17,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:14:17,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:14:17,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:14:17,664 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:14:17,664 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:14:17,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:14:17,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:14:17,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:14:17,665 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:14:17,666 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:14:17,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:14:17,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:14:17,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:14:17,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:14:17,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:14:17,667 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:14:17,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:14:17,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:14:17,669 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_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 [2021-10-29 03:14:17,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:14:17,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:14:17,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:14:17,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:14:17,980 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:14:17,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2021-10-29 03:14:18,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/data/f4660d040/82370e490c9940c88918fe7f6205b865/FLAG8c18ed085 [2021-10-29 03:14:18,511 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:14:18,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2021-10-29 03:14:18,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/data/f4660d040/82370e490c9940c88918fe7f6205b865/FLAG8c18ed085 [2021-10-29 03:14:18,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/data/f4660d040/82370e490c9940c88918fe7f6205b865 [2021-10-29 03:14:18,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:14:18,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:14:18,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:14:18,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:14:18,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:14:18,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:14:18" (1/1) ... [2021-10-29 03:14:18,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b3f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:18, skipping insertion in model container [2021-10-29 03:14:18,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:14:18" (1/1) ... [2021-10-29 03:14:18,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:14:18,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:14:19,114 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_50be4a65-10b7-48c3-8087-a472cc8fbc10/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2021-10-29 03:14:19,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:14:19,140 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:14:19,156 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_50be4a65-10b7-48c3-8087-a472cc8fbc10/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2021-10-29 03:14:19,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:14:19,174 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:14:19,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19 WrapperNode [2021-10-29 03:14:19,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:14:19,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:14:19,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:14:19,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:14:19,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:14:19,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:14:19,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:14:19,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:14:19,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:14:19,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:14:19,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:14:19,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:14:19,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:14:19,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:14:19,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:14:19,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:14:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:14:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:14:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:14:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:14:19,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:14:19,593 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:14:19,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:14:19 BoogieIcfgContainer [2021-10-29 03:14:19,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:14:19,596 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:14:19,597 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:14:19,607 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:14:19,607 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:14:19" (1/1) ... [2021-10-29 03:14:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:14:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-10-29 03:14:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-10-29 03:14:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:14:19,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:19,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:14:19,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:19,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-10-29 03:14:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-10-29 03:14:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:14:19,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:19,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:14:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:20,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 03:14:20,012 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 03:14:20,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:14:20,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:20,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:20,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:14:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-10-29 03:14:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-10-29 03:14:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:14:20,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:20,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:14:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-10-29 03:14:20,976 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-10-29 03:14:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:14:20,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:20,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:14:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-10-29 03:14:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-10-29 03:14:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:14:21,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:21,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:14:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-10-29 03:14:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-10-29 03:14:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:14:21,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:21,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:14:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-10-29 03:14:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-10-29 03:14:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:14:22,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:22,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:14:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2021-10-29 03:14:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2021-10-29 03:14:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:14:23,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:23,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:14:23,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-10-29 03:14:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-10-29 03:14:23,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:14:23,593 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-10-29 03:14:23,599 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-29 03:14:23,624 INFO L565 CodeCheckObserver]: Invariant with dag size 6 [2021-10-29 03:14:23,632 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:14:23,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:14:23 ImpRootNode [2021-10-29 03:14:23,632 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:14:23,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:14:23,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:14:23,633 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:14:23,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:14:19" (3/4) ... [2021-10-29 03:14:23,636 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:14:23,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-29 03:14:23,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:14:23,651 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:14:23,651 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:14:23,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:14:23,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:14:23,692 INFO L168 Benchmark]: Toolchain (without parser) took 4782.02 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 71.3 MB in the beginning and 37.7 MB in the end (delta: 33.6 MB). Peak memory consumption was 54.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:23,692 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:14:23,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.39 ms. Allocated memory is still 104.9 MB. Free memory was 71.2 MB in the beginning and 79.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:23,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.72 ms. Allocated memory is still 104.9 MB. Free memory was 79.8 MB in the beginning and 78.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:23,694 INFO L168 Benchmark]: Boogie Preprocessor took 39.69 ms. Allocated memory is still 104.9 MB. Free memory was 78.5 MB in the beginning and 77.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:14:23,695 INFO L168 Benchmark]: RCFGBuilder took 337.33 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 66.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:23,695 INFO L168 Benchmark]: CodeCheck took 4035.94 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 66.6 MB in the beginning and 39.8 MB in the end (delta: 26.9 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:23,696 INFO L168 Benchmark]: Witness Printer took 57.00 ms. Allocated memory is still 125.8 MB. Free memory was 39.8 MB in the beginning and 37.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:23,699 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 2484 SDslu, 512 SDs, 0 SdLazy, 13028 SolverSat, 3140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 790 GetRequests, 640 SyntacticMatches, 38 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5386 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 16/35 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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: 25]: 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: 23]: Loop Invariant Derived loop invariant: y <= 2147483647 && x <= y - 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 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.39 ms. Allocated memory is still 104.9 MB. Free memory was 71.2 MB in the beginning and 79.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.72 ms. Allocated memory is still 104.9 MB. Free memory was 79.8 MB in the beginning and 78.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.69 ms. Allocated memory is still 104.9 MB. Free memory was 78.5 MB in the beginning and 77.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 337.33 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 66.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 4035.94 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 66.6 MB in the beginning and 39.8 MB in the end (delta: 26.9 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.1 GB. * Witness Printer took 57.00 ms. Allocated memory is still 125.8 MB. Free memory was 39.8 MB in the beginning and 37.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:14:23,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50be4a65-10b7-48c3-8087-a472cc8fbc10/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...