./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.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_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/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_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/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_99112bb5-506f-4ae2-b2c0-d2d227d07339/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 a7b85a68724f5afc4ed57f536cb2f17f7de1e36fdc537e0c0591e3a43de5da10 .................................................................................................................................................................................................................................................................... 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 04:22:20,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:22:20,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:22:20,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:22:20,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:22:20,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:22:20,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:22:20,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:22:20,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:22:20,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:22:20,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:22:20,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:22:20,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:22:20,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:22:20,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:22:20,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:22:20,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:22:20,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:22:20,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:22:20,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:22:20,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:22:20,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:22:20,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:22:20,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:22:21,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:22:21,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:22:21,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:22:21,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:22:21,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:22:21,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:22:21,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:22:21,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:22:21,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:22:21,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:22:21,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:22:21,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:22:21,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:22:21,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:22:21,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:22:21,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:22:21,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:22:21,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:22:21,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:22:21,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:22:21,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:22:21,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:22:21,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:22:21,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:22:21,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:22:21,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:22:21,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:22:21,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:22:21,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:22:21,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:22:21,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:22:21,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:22:21,055 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:22:21,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:22:21,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:22:21,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:22:21,056 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:22:21,057 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:22:21,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:22:21,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:22:21,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:22:21,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:22:21,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:22:21,058 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:22:21,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:22:21,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:22:21,059 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_99112bb5-506f-4ae2-b2c0-d2d227d07339/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b85a68724f5afc4ed57f536cb2f17f7de1e36fdc537e0c0591e3a43de5da10 [2021-10-29 04:22:21,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:22:21,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:22:21,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:22:21,447 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:22:21,449 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:22:21,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2021-10-29 04:22:21,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/data/bdb8f3a10/9a05168aae524a17a34c183866d460ce/FLAGa7e4dc5fb [2021-10-29 04:22:22,289 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:22:22,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2021-10-29 04:22:22,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/data/bdb8f3a10/9a05168aae524a17a34c183866d460ce/FLAGa7e4dc5fb [2021-10-29 04:22:22,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/data/bdb8f3a10/9a05168aae524a17a34c183866d460ce [2021-10-29 04:22:22,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:22:22,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:22:22,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:22:22,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:22:22,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:22:22,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:22:22" (1/1) ... [2021-10-29 04:22:22,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269f6db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:22, skipping insertion in model container [2021-10-29 04:22:22,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:22:22" (1/1) ... [2021-10-29 04:22:22,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:22:22,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:22:22,915 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_99112bb5-506f-4ae2-b2c0-d2d227d07339/sv-benchmarks/c/eca-rers2012/Problem10_label43.c[4120,4133] [2021-10-29 04:22:23,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:22:23,155 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:22:23,195 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_99112bb5-506f-4ae2-b2c0-d2d227d07339/sv-benchmarks/c/eca-rers2012/Problem10_label43.c[4120,4133] [2021-10-29 04:22:23,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:22:23,305 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:22:23,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23 WrapperNode [2021-10-29 04:22:23,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:22:23,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:22:23,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:22:23,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:22:23,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:22:23,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:22:23,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:22:23,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:22:23,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:22:23,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:22:23,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:22:23,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:22:23,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:23" (1/1) ... [2021-10-29 04:22:23,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:22:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:22:23,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:22:23,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:22:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:22:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:22:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:22:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:22:32,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:22:32,485 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:22:32,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:32 BoogieIcfgContainer [2021-10-29 04:22:32,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:22:32,488 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:22:32,488 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:22:32,496 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:22:32,496 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:32" (1/1) ... [2021-10-29 04:22:32,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:22:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 04:22:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 04:22:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:22:32,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:32,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:32,750 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 04:22:32,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 04:22:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 04:22:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:22:32,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:32,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:33,643 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 04:22:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 04:22:34,100 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 04:22:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:22:34,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:34,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:34,928 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 04:22:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2021-10-29 04:22:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2021-10-29 04:22:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:22:36,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:36,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:36,802 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 04:22:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2021-10-29 04:22:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2021-10-29 04:22:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:22:37,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:37,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:22:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-10-29 04:22:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-10-29 04:22:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:22:39,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:39,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:22:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2021-10-29 04:22:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2021-10-29 04:22:40,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:22:40,119 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-10-29 04:22:40,127 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:22:40,538 INFO L565 CodeCheckObserver]: Invariant with dag size 23 [2021-10-29 04:22:40,553 INFO L565 CodeCheckObserver]: Invariant with dag size 24 [2021-10-29 04:22:40,556 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:22:40,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:22:40 ImpRootNode [2021-10-29 04:22:40,557 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:22:40,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:22:40,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:22:40,559 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:22:40,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:32" (3/4) ... [2021-10-29 04:22:40,562 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:22:40,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 183 nodes and edges [2021-10-29 04:22:40,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 04:22:40,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:22:40,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:22:40,800 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:22:40,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:22:40,803 INFO L168 Benchmark]: Toolchain (without parser) took 18284.18 ms. Allocated memory was 104.9 MB in the beginning and 471.9 MB in the end (delta: 367.0 MB). Free memory was 60.9 MB in the beginning and 357.9 MB in the end (delta: -297.0 MB). Peak memory consumption was 69.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:40,803 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:22:40,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.26 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 61.4 MB in the end (delta: -782.1 kB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:40,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.33 ms. Allocated memory is still 104.9 MB. Free memory was 61.4 MB in the beginning and 53.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:40,805 INFO L168 Benchmark]: Boogie Preprocessor took 111.70 ms. Allocated memory is still 104.9 MB. Free memory was 53.3 MB in the beginning and 48.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:40,806 INFO L168 Benchmark]: RCFGBuilder took 8932.06 ms. Allocated memory was 104.9 MB in the beginning and 268.4 MB in the end (delta: 163.6 MB). Free memory was 48.8 MB in the beginning and 94.2 MB in the end (delta: -45.4 MB). Peak memory consumption was 158.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:40,806 INFO L168 Benchmark]: CodeCheck took 8069.38 ms. Allocated memory was 268.4 MB in the beginning and 471.9 MB in the end (delta: 203.4 MB). Free memory was 94.2 MB in the beginning and 373.6 MB in the end (delta: -279.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:22:40,807 INFO L168 Benchmark]: Witness Printer took 243.00 ms. Allocated memory is still 471.9 MB. Free memory was 373.6 MB in the beginning and 357.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:40,809 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: 7.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 420 SDtfs, 808 SDslu, 584 SDs, 0 SdLazy, 2336 SolverSat, 344 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 733 GetRequests, 626 SyntacticMatches, 27 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3110 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 971 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 24/65 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: 119]: 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: (((14 == a4 && a12 == 0) && 23 <= a1) || ((!(a10 == 1) && 14 == a4) && a12 == 0)) || (((a19 <= 7 || 9 <= a19) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a1 <= 218 && 14 == a4) && a12 == 0) && 0 < a1 + 13) || (((!(a10 == 1) || !(a19 == 8)) && 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 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 784.26 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 61.4 MB in the end (delta: -782.1 kB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 135.33 ms. Allocated memory is still 104.9 MB. Free memory was 61.4 MB in the beginning and 53.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.70 ms. Allocated memory is still 104.9 MB. Free memory was 53.3 MB in the beginning and 48.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8932.06 ms. Allocated memory was 104.9 MB in the beginning and 268.4 MB in the end (delta: 163.6 MB). Free memory was 48.8 MB in the beginning and 94.2 MB in the end (delta: -45.4 MB). Peak memory consumption was 158.9 MB. Max. memory is 16.1 GB. * CodeCheck took 8069.38 ms. Allocated memory was 268.4 MB in the beginning and 471.9 MB in the end (delta: 203.4 MB). Free memory was 94.2 MB in the beginning and 373.6 MB in the end (delta: -279.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 243.00 ms. Allocated memory is still 471.9 MB. Free memory was 373.6 MB in the beginning and 357.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:22:40,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99112bb5-506f-4ae2-b2c0-d2d227d07339/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...