./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.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_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/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_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/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_1566c94c-a4a7-4289-a427-b0d28d23b219/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 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b ............................................................................................................................................................................................................................................................................ 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 04:10:14,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:10:14,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:10:14,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:10:14,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:10:14,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:10:14,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:10:14,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:10:14,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:10:14,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:10:14,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:10:14,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:10:14,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:10:14,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:10:14,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:10:14,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:10:14,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:10:14,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:10:14,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:10:14,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:10:14,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:10:14,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:10:14,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:10:14,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:10:14,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:10:14,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:10:14,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:10:14,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:10:14,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:10:14,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:10:14,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:10:14,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:10:14,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:10:14,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:10:14,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:10:14,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:10:14,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:10:14,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:10:14,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:10:14,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:10:14,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:10:14,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:10:14,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:10:14,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:10:14,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:10:14,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:10:14,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:10:14,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:10:14,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:10:14,267 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:10:14,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:10:14,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:10:14,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:10:14,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:10:14,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:10:14,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:10:14,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:10:14,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:10:14,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:10:14,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:10:14,270 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:10:14,270 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:10:14,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:10:14,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:10:14,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:10:14,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:10:14,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:10:14,272 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:10:14,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:10:14,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:10:14,273 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_1566c94c-a4a7-4289-a427-b0d28d23b219/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b [2021-10-29 04:10:14,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:10:14,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:10:14,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:10:14,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:10:14,603 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:10:14,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2021-10-29 04:10:14,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/data/6bcbd05cc/a6db1a705b7740f48c2c08fa772161dd/FLAGa151def24 [2021-10-29 04:10:15,423 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:10:15,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2021-10-29 04:10:15,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/data/6bcbd05cc/a6db1a705b7740f48c2c08fa772161dd/FLAGa151def24 [2021-10-29 04:10:15,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/data/6bcbd05cc/a6db1a705b7740f48c2c08fa772161dd [2021-10-29 04:10:15,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:10:15,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:10:15,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:10:15,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:10:15,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:10:15,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:10:15" (1/1) ... [2021-10-29 04:10:15,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd8798d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:15, skipping insertion in model container [2021-10-29 04:10:15,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:10:15" (1/1) ... [2021-10-29 04:10:15,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:10:15,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:10:16,070 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_1566c94c-a4a7-4289-a427-b0d28d23b219/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685] [2021-10-29 04:10:16,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:10:16,315 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:10:16,360 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_1566c94c-a4a7-4289-a427-b0d28d23b219/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685] [2021-10-29 04:10:16,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:10:16,467 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:10:16,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16 WrapperNode [2021-10-29 04:10:16,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:10:16,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:10:16,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:10:16,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:10:16,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:10:16,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:10:16,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:10:16,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:10:16,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:10:16,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:10:16,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:10:16,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:10:16,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:10:16" (1/1) ... [2021-10-29 04:10:16,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:10:16,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:10:16,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:10:16,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:10:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:10:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:10:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:10:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:10:25,709 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:10:25,709 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:10:25,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:10:25 BoogieIcfgContainer [2021-10-29 04:10:25,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:10:25,714 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:10:25,714 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:10:25,730 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:10:25,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:10:25" (1/1) ... [2021-10-29 04:10:25,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:10:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:25,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 04:10:25,787 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 04:10:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:10:25,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:25,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:26,035 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 04:10:26,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 04:10:26,123 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 04:10:26,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:10:26,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:26,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:26,583 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 04:10:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-10-29 04:10:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-10-29 04:10:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:10:26,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:26,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:27,784 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 04:10:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-10-29 04:10:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-10-29 04:10:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:10:28,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:28,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:29,254 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 04:10:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:29,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2021-10-29 04:10:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2021-10-29 04:10:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:10:29,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:29,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:10:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2021-10-29 04:10:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2021-10-29 04:10:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:10:32,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:32,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:10:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2021-10-29 04:10:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2021-10-29 04:10:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:10:34,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:34,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:35,313 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 04:10:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2021-10-29 04:10:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-10-29 04:10:35,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:10:35,989 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2021-10-29 04:10:36,000 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:10:36,392 INFO L565 CodeCheckObserver]: Invariant with dag size 27 [2021-10-29 04:10:36,409 INFO L565 CodeCheckObserver]: Invariant with dag size 22 [2021-10-29 04:10:36,412 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:10:36,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:10:36 ImpRootNode [2021-10-29 04:10:36,412 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:10:36,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:10:36,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:10:36,414 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:10:36,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:10:25" (3/4) ... [2021-10-29 04:10:36,419 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:10:36,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-29 04:10:36,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:10:36,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:10:36,459 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:10:36,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:10:36,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:10:36,670 INFO L168 Benchmark]: Toolchain (without parser) took 21001.20 ms. Allocated memory was 104.9 MB in the beginning and 606.1 MB in the end (delta: 501.2 MB). Free memory was 73.1 MB in the beginning and 489.6 MB in the end (delta: -416.5 MB). Peak memory consumption was 84.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:36,670 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 104.9 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:10:36,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.12 ms. Allocated memory is still 104.9 MB. Free memory was 72.8 MB in the beginning and 63.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:36,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.10 ms. Allocated memory is still 104.9 MB. Free memory was 63.9 MB in the beginning and 55.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:36,673 INFO L168 Benchmark]: Boogie Preprocessor took 111.07 ms. Allocated memory is still 104.9 MB. Free memory was 55.9 MB in the beginning and 51.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:36,674 INFO L168 Benchmark]: RCFGBuilder took 8995.81 ms. Allocated memory was 104.9 MB in the beginning and 270.5 MB in the end (delta: 165.7 MB). Free memory was 51.3 MB in the beginning and 148.6 MB in the end (delta: -97.3 MB). Peak memory consumption was 145.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:36,674 INFO L168 Benchmark]: CodeCheck took 10698.74 ms. Allocated memory was 270.5 MB in the beginning and 606.1 MB in the end (delta: 335.5 MB). Free memory was 148.6 MB in the beginning and 505.2 MB in the end (delta: -356.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:10:36,675 INFO L168 Benchmark]: Witness Printer took 254.51 ms. Allocated memory is still 606.1 MB. Free memory was 505.2 MB in the beginning and 489.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:36,678 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: 10.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 764 SDtfs, 1458 SDslu, 1016 SDs, 0 SdLazy, 3946 SolverSat, 612 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 879 GetRequests, 762 SyntacticMatches, 47 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2155 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 1015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 48/101 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: 134]: 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: ((((a19 <= 5 || !(a10 == 2)) && 14 == a4) && a12 == 0) || ((7 <= a19 && 14 == a4) && a12 == 0)) || ((14 == a4 && a12 == 0) && (39 <= a1 || 16 + a1 <= 0)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((!(a19 == 6) || !(a10 == 2)) || a1 + 13 <= 0) || 38 < a1) && 14 == a4) && a12 == 0 - 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 0.41 ms. Allocated memory is still 104.9 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 799.12 ms. Allocated memory is still 104.9 MB. Free memory was 72.8 MB in the beginning and 63.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 135.10 ms. Allocated memory is still 104.9 MB. Free memory was 63.9 MB in the beginning and 55.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.07 ms. Allocated memory is still 104.9 MB. Free memory was 55.9 MB in the beginning and 51.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8995.81 ms. Allocated memory was 104.9 MB in the beginning and 270.5 MB in the end (delta: 165.7 MB). Free memory was 51.3 MB in the beginning and 148.6 MB in the end (delta: -97.3 MB). Peak memory consumption was 145.1 MB. Max. memory is 16.1 GB. * CodeCheck took 10698.74 ms. Allocated memory was 270.5 MB in the beginning and 606.1 MB in the end (delta: 335.5 MB). Free memory was 148.6 MB in the beginning and 505.2 MB in the end (delta: -356.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 254.51 ms. Allocated memory is still 606.1 MB. Free memory was 505.2 MB in the beginning and 489.6 MB in the end (delta: 15.6 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 04:10:36,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566c94c-a4a7-4289-a427-b0d28d23b219/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...