./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/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_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ad111d6936056460510a10e712b295b6541e8406527db903438c9aa67289a02 ............................................................................................................................................................................................................................................................ 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 04:19:05,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:19:05,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:19:05,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:19:05,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:19:05,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:19:05,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:19:05,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:19:05,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:19:05,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:19:05,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:19:05,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:19:05,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:19:05,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:19:05,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:19:05,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:19:05,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:19:05,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:19:05,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:19:05,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:19:05,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:19:05,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:19:05,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:19:05,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:19:05,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:19:05,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:19:05,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:19:05,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:19:05,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:19:05,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:19:05,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:19:05,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:19:05,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:19:05,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:19:05,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:19:05,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:19:05,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:19:05,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:19:05,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:19:05,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:19:05,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:19:05,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:19:05,414 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:19:05,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:19:05,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:19:05,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:19:05,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:19:05,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:19:05,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:19:05,417 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:19:05,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:19:05,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:19:05,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:19:05,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:19:05,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:19:05,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:19:05,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:19:05,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:19:05,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:19:05,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:19:05,425 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:19:05,425 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:19:05,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:19:05,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:19:05,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:19:05,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:19:05,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:19:05,427 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:19:05,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:19:05,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:19:05,428 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_a550f1c5-69ee-4af6-9601-821c6338c1e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ad111d6936056460510a10e712b295b6541e8406527db903438c9aa67289a02 [2021-10-29 04:19:05,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:19:05,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:19:05,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:19:05,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:19:05,767 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:19:05,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2021-10-29 04:19:05,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/data/b7b46f0a6/e15b4c4d68a14ae38aae54e4e1acf685/FLAGebca03019 [2021-10-29 04:19:06,470 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:19:06,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2021-10-29 04:19:06,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/data/b7b46f0a6/e15b4c4d68a14ae38aae54e4e1acf685/FLAGebca03019 [2021-10-29 04:19:06,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/data/b7b46f0a6/e15b4c4d68a14ae38aae54e4e1acf685 [2021-10-29 04:19:06,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:19:06,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:19:06,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:19:06,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:19:06,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:19:06,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:06" (1/1) ... [2021-10-29 04:19:06,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268b52b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:06, skipping insertion in model container [2021-10-29 04:19:06,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:06" (1/1) ... [2021-10-29 04:19:06,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:19:06,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:19:07,027 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_a550f1c5-69ee-4af6-9601-821c6338c1e5/sv-benchmarks/c/eca-rers2012/Problem10_label06.c[2930,2943] [2021-10-29 04:19:07,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:19:07,241 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:19:07,283 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_a550f1c5-69ee-4af6-9601-821c6338c1e5/sv-benchmarks/c/eca-rers2012/Problem10_label06.c[2930,2943] [2021-10-29 04:19:07,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:19:07,447 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:19:07,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07 WrapperNode [2021-10-29 04:19:07,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:19:07,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:19:07,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:19:07,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:19:07,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:19:07,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:19:07,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:19:07,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:19:07,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:19:07,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:19:07,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:19:07,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:19:07,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:07" (1/1) ... [2021-10-29 04:19:07,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:19:07,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:19:07,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:19:07,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:19:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:19:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:19:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:19:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:19:15,939 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:19:15,939 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:19:15,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:19:15 BoogieIcfgContainer [2021-10-29 04:19:15,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:19:15,942 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:19:15,943 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:19:15,953 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:19:15,953 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:19:15" (1/1) ... [2021-10-29 04:19:15,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:19:15,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:19:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 04:19:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 04:19:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:19:16,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:19:16,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:19:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:19:16,168 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 04:19:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:19:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 04:19:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 04:19:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:19:16,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:19:16,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:19:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:19:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:19:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:19:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-10-29 04:19:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-10-29 04:19:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:19:16,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:19:16,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:19:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:19:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:19:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:19:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-10-29 04:19:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-10-29 04:19:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:19:18,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:19:18,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:19:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:19:18,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:19:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:19:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2021-10-29 04:19:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2021-10-29 04:19:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:19:18,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:19:18,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:19:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:19:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:19:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:19:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2021-10-29 04:19:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-10-29 04:19:19,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:19:19,933 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-29 04:19:19,939 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:19:20,142 INFO L565 CodeCheckObserver]: Invariant with dag size 13 [2021-10-29 04:19:20,152 INFO L565 CodeCheckObserver]: Invariant with dag size 13 [2021-10-29 04:19:20,153 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:19:20,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:19:20 ImpRootNode [2021-10-29 04:19:20,153 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:19:20,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:19:20,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:19:20,154 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:19:20,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:19:15" (3/4) ... [2021-10-29 04:19:20,158 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:19:20,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-29 04:19:20,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 04:19:20,186 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 04:19:20,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:19:20,319 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:19:20,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:19:20,321 INFO L168 Benchmark]: Toolchain (without parser) took 13580.83 ms. Allocated memory was 92.3 MB in the beginning and 482.3 MB in the end (delta: 390.1 MB). Free memory was 56.2 MB in the beginning and 367.8 MB in the end (delta: -311.6 MB). Peak memory consumption was 77.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:20,321 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 64.0 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:19:20,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.54 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 56.0 MB in the beginning and 78.0 MB in the end (delta: -22.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:20,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.46 ms. Allocated memory is still 119.5 MB. Free memory was 78.0 MB in the beginning and 69.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:20,323 INFO L168 Benchmark]: Boogie Preprocessor took 81.76 ms. Allocated memory is still 119.5 MB. Free memory was 69.9 MB in the beginning and 65.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:20,323 INFO L168 Benchmark]: RCFGBuilder took 8307.28 ms. Allocated memory was 119.5 MB in the beginning and 264.2 MB in the end (delta: 144.7 MB). Free memory was 65.3 MB in the beginning and 120.6 MB in the end (delta: -55.3 MB). Peak memory consumption was 153.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:20,323 INFO L168 Benchmark]: CodeCheck took 4210.78 ms. Allocated memory was 264.2 MB in the beginning and 482.3 MB in the end (delta: 218.1 MB). Free memory was 120.6 MB in the beginning and 383.5 MB in the end (delta: -262.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:19:20,324 INFO L168 Benchmark]: Witness Printer took 165.75 ms. Allocated memory is still 482.3 MB. Free memory was 383.5 MB in the beginning and 367.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:20,326 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 196 SDtfs, 392 SDslu, 264 SDs, 0 SdLazy, 1006 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 460 SyntacticMatches, 17 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 10/44 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: 86]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((7 <= a19 || a1 <= 218) || a19 <= 5) || !(a10 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a1 <= 218 || 6 < a19) || a19 <= 5) || !(a10 == 1) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 64.0 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 707.54 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 56.0 MB in the beginning and 78.0 MB in the end (delta: -22.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.46 ms. Allocated memory is still 119.5 MB. Free memory was 78.0 MB in the beginning and 69.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.76 ms. Allocated memory is still 119.5 MB. Free memory was 69.9 MB in the beginning and 65.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8307.28 ms. Allocated memory was 119.5 MB in the beginning and 264.2 MB in the end (delta: 144.7 MB). Free memory was 65.3 MB in the beginning and 120.6 MB in the end (delta: -55.3 MB). Peak memory consumption was 153.4 MB. Max. memory is 16.1 GB. * CodeCheck took 4210.78 ms. Allocated memory was 264.2 MB in the beginning and 482.3 MB in the end (delta: 218.1 MB). Free memory was 120.6 MB in the beginning and 383.5 MB in the end (delta: -262.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 165.75 ms. Allocated memory is still 482.3 MB. Free memory was 383.5 MB in the beginning and 367.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:19:20,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a550f1c5-69ee-4af6-9601-821c6338c1e5/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...