./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label28.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_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/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_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/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_db57b659-8af8-4437-abb3-f0ef6da9b1f7/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 e1b64adb5298d170b0a0065804aa34285565fef303a8d1c9e978e6f35837be1e ............................................................................................................................................................................................................................................................ 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 02:54:11,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:11,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:11,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:11,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:11,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:11,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:11,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:11,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:11,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:11,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:11,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:11,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:11,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:11,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:11,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:11,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:11,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:11,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:11,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:11,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:11,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:11,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:11,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:11,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:11,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:11,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:11,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:11,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:11,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:11,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:11,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:11,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:11,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:11,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:11,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:11,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:11,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:11,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:11,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:11,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:11,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:54:11,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:11,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:11,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:11,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:11,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:11,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:11,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:11,526 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:11,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:54:11,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:11,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:11,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:11,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:11,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:11,529 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:11,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:11,530 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:11,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:11,530 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:11,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:11,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:11,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:11,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:11,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:11,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:11,532 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:54:11,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:54:11,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:11,533 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_db57b659-8af8-4437-abb3-f0ef6da9b1f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1b64adb5298d170b0a0065804aa34285565fef303a8d1c9e978e6f35837be1e [2021-10-29 02:54:11,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:11,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:11,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:11,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:11,854 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:11,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2021-10-29 02:54:11,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/data/54b40dd1d/b30ebdbca6044a02b6928ab23cf67799/FLAGa13abfc60 [2021-10-29 02:54:12,569 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:12,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2021-10-29 02:54:12,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/data/54b40dd1d/b30ebdbca6044a02b6928ab23cf67799/FLAGa13abfc60 [2021-10-29 02:54:12,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/data/54b40dd1d/b30ebdbca6044a02b6928ab23cf67799 [2021-10-29 02:54:12,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:12,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:12,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:12,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:12,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:12,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:12" (1/1) ... [2021-10-29 02:54:12,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105f5c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:12, skipping insertion in model container [2021-10-29 02:54:12,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:12" (1/1) ... [2021-10-29 02:54:12,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:12,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:13,088 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_db57b659-8af8-4437-abb3-f0ef6da9b1f7/sv-benchmarks/c/eca-rers2012/Problem15_label28.c[4049,4062] [2021-10-29 02:54:13,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:13,673 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:13,720 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_db57b659-8af8-4437-abb3-f0ef6da9b1f7/sv-benchmarks/c/eca-rers2012/Problem15_label28.c[4049,4062] [2021-10-29 02:54:13,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:14,015 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:14,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14 WrapperNode [2021-10-29 02:54:14,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:14,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:14,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:14,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:14,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:14,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:14,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:14,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:14,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:14,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:14,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:14,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:14,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:14,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:14,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:14,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:54:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:57:22,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:57:22,101 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 02:57:22,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:57:22 BoogieIcfgContainer [2021-10-29 02:57:22,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:57:22,104 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:57:22,104 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:57:22,128 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:57:22,128 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:57:22" (1/1) ... [2021-10-29 02:57:22,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:57:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 02:57:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 02:57:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 02:57:22,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:22,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:22,424 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 02:57:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 02:57:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 02:57:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 02:57:22,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:22,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:26,693 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 02:57:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2021-10-29 02:57:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-10-29 02:57:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:57:29,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:29,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:35,330 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 02:57:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:43,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-10-29 02:57:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-10-29 02:57:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:57:43,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:43,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:48,153 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 02:57:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2021-10-29 02:57:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2021-10-29 02:57:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:57:48,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:48,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 02:57:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2021-10-29 02:57:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2021-10-29 02:57:57,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:57:57,563 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-29 02:57:57,568 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:57:57,995 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:58,000 INFO L565 CodeCheckObserver]: Invariant with dag size 53 [2021-10-29 02:57:58,009 INFO L565 CodeCheckObserver]: Invariant with dag size 46 [2021-10-29 02:57:58,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:57:58 ImpRootNode [2021-10-29 02:57:58,011 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:57:58,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:57:58,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:57:58,012 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:57:58,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:57:22" (3/4) ... [2021-10-29 02:57:58,016 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:57:58,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 388 nodes and edges [2021-10-29 02:57:58,062 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2021-10-29 02:57:58,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 02:57:58,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 02:57:58,315 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:57:58,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:57:58,317 INFO L168 Benchmark]: Toolchain (without parser) took 225556.98 ms. Allocated memory was 96.5 MB in the beginning and 4.6 GB in the end (delta: 4.5 GB). Free memory was 54.9 MB in the beginning and 3.7 GB in the end (delta: -3.6 GB). Peak memory consumption was 866.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:58,318 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 68.3 MB in the beginning and 68.2 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:57:58,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1253.20 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 54.9 MB in the beginning and 61.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:58,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 275.73 ms. Allocated memory is still 117.4 MB. Free memory was 61.0 MB in the beginning and 53.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:58,319 INFO L168 Benchmark]: Boogie Preprocessor took 324.94 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 53.1 MB in the beginning and 85.1 MB in the end (delta: -32.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:58,320 INFO L168 Benchmark]: RCFGBuilder took 187484.24 ms. Allocated memory was 151.0 MB in the beginning and 4.6 GB in the end (delta: 4.5 GB). Free memory was 85.1 MB in the beginning and 3.8 GB in the end (delta: -3.8 GB). Peak memory consumption was 842.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:58,320 INFO L168 Benchmark]: CodeCheck took 35907.57 ms. Allocated memory is still 4.6 GB. Free memory was 3.8 GB in the beginning and 3.7 GB in the end (delta: 91.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:58,320 INFO L168 Benchmark]: Witness Printer took 303.68 ms. Allocated memory is still 4.6 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:58,323 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: 35.4s, 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: 200 SDtfs, 406 SDslu, 272 SDs, 0 SdLazy, 1066 SolverSat, 180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 496 GetRequests, 456 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 14.9s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 113]: 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((!((!(3 == a2) || a0 + 147 <= 0) || 0 <= 44 + a0) && (((0 <= a4 + 85 || a2 == 4) || 0 <= 44 + a0) || a29 + 144 <= 0)) || ((0 <= 97 + a0 || 0 <= a29 + 15) && !(((0 <= a4 + 85 || a2 == 4) || 0 <= 44 + a0) || a29 + 144 <= 0))) || (((!(3 == a2) || a0 + 147 <= 0) || 0 <= 44 + a0) && !(a2 == 1))) || (a2 == 1 && 0 < 89 + a4)) || (0 <= 44 + a0 && 44 + a0 <= 0)) || (a2 == 1 && !((0 <= a29 + 127 && 0 <= 44 + a0) && a29 + 127 <= 0)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((!(((0 <= a29 + 127 && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0) && ((!(3 == a2) || a0 + 147 <= 0) || 0 <= 44 + a0)) || ((((0 <= 97 + a0 || 0 <= a4 + 85) || 0 <= a29 + 15) || a29 + 144 <= 0) && !(89 + a4 <= 0 && ((!(3 == a2) || a0 + 147 <= 0) || 0 <= 44 + a0)))) || (0 <= 44 + a0 && 44 + a0 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 68.3 MB in the beginning and 68.2 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1253.20 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 54.9 MB in the beginning and 61.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 275.73 ms. Allocated memory is still 117.4 MB. Free memory was 61.0 MB in the beginning and 53.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 324.94 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 53.1 MB in the beginning and 85.1 MB in the end (delta: -32.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 187484.24 ms. Allocated memory was 151.0 MB in the beginning and 4.6 GB in the end (delta: 4.5 GB). Free memory was 85.1 MB in the beginning and 3.8 GB in the end (delta: -3.8 GB). Peak memory consumption was 842.3 MB. Max. memory is 16.1 GB. * CodeCheck took 35907.57 ms. Allocated memory is still 4.6 GB. Free memory was 3.8 GB in the beginning and 3.7 GB in the end (delta: 91.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 16.1 GB. * Witness Printer took 303.68 ms. Allocated memory is still 4.6 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:57:58,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db57b659-8af8-4437-abb3-f0ef6da9b1f7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...