./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label42.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_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/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_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/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_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/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 15d249c6323013516fefe93ea3f260e201b5e9275c9823e8893196ec108d365c ............................................................................................................................................................................................................................................................ 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 02:53:48,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:53:48,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:53:48,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:53:48,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:53:48,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:53:48,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:53:48,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:53:48,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:53:48,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:53:48,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:53:48,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:53:48,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:53:48,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:53:48,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:53:48,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:53:48,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:53:48,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:53:48,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:53:48,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:53:48,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:53:48,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:53:48,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:53:48,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:53:48,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:53:48,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:53:48,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:53:48,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:53:48,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:53:48,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:53:48,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:53:48,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:53:48,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:53:48,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:53:48,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:53:48,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:53:48,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:53:48,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:53:48,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:53:48,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:53:48,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:53:48,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:53:48,515 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:53:48,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:53:48,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:53:48,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:53:48,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:53:48,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:53:48,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:53:48,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:53:48,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:53:48,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:53:48,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:53:48,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:53:48,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:53:48,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:53:48,523 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:53:48,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:53:48,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:53:48,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:53:48,524 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:53:48,524 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:53:48,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:53:48,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:48,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:53:48,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:53:48,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:53:48,526 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:53:48,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:53:48,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:53:48,526 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_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15d249c6323013516fefe93ea3f260e201b5e9275c9823e8893196ec108d365c [2021-10-29 02:53:48,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:53:48,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:53:48,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:53:48,822 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:53:48,823 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:53:48,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem16_label42.c [2021-10-29 02:53:48,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/data/04c140387/e8d4b38a84cc45689e53f44b549f5d27/FLAGdd8e5d569 [2021-10-29 02:53:49,700 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:53:49,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/sv-benchmarks/c/eca-rers2012/Problem16_label42.c [2021-10-29 02:53:49,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/data/04c140387/e8d4b38a84cc45689e53f44b549f5d27/FLAGdd8e5d569 [2021-10-29 02:53:49,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/data/04c140387/e8d4b38a84cc45689e53f44b549f5d27 [2021-10-29 02:53:49,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:53:49,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:53:49,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:49,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:53:49,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:53:49,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d464134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49, skipping insertion in model container [2021-10-29 02:53:49,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:53:49,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:53:50,230 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_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/sv-benchmarks/c/eca-rers2012/Problem16_label42.c[6474,6487] [2021-10-29 02:53:50,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:50,676 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:53:50,705 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_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/sv-benchmarks/c/eca-rers2012/Problem16_label42.c[6474,6487] [2021-10-29 02:53:51,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:51,098 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:53:51,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51 WrapperNode [2021-10-29 02:53:51,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:51,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:51,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:53:51,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:53:51,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:51,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:53:51,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:53:51,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:53:51,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:53:51,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:53:51,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:53:51,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:53:51,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:51" (1/1) ... [2021-10-29 02:53:51,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:51,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:53:51,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:53:51,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:53:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:53:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:53:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:53:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:55:04,436 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:55:04,436 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 02:55:04,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:55:04 BoogieIcfgContainer [2021-10-29 02:55:04,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:55:04,440 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:55:04,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:55:04,451 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:55:04,452 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:55:04" (1/1) ... [2021-10-29 02:55:04,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:55:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 02:55:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 02:55:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 02:55:04,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:04,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:04,685 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 02:55:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 02:55:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 02:55:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 02:55:04,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:04,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:06,177 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 02:55:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 02:55:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 02:55:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:55:06,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:06,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:09,444 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 02:55:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:10,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2021-10-29 02:55:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2021-10-29 02:55:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:55:10,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:10,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:12,779 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 02:55:13,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:13,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2021-10-29 02:55:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2021-10-29 02:55:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:55:13,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:13,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:15,346 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 02:55:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2021-10-29 02:55:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2021-10-29 02:55:15,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:55:15,888 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-29 02:55:15,895 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:55:16,187 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 02:55:16,198 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:16,198 INFO L565 CodeCheckObserver]: Invariant with dag size 18 [2021-10-29 02:55:16,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:55:16 ImpRootNode [2021-10-29 02:55:16,200 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:55:16,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:55:16,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:55:16,201 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:55:16,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:55:04" (3/4) ... [2021-10-29 02:55:16,207 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:55:16,261 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 374 nodes and edges [2021-10-29 02:55:16,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 02:55:16,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 02:55:16,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:55:16,551 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:55:16,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:55:16,554 INFO L168 Benchmark]: Toolchain (without parser) took 86695.30 ms. Allocated memory was 94.4 MB in the beginning and 5.3 GB in the end (delta: 5.2 GB). Free memory was 57.2 MB in the beginning and 4.6 GB in the end (delta: -4.6 GB). Peak memory consumption was 640.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:16,554 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 51.5 MB in the beginning and 51.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:55:16,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1240.16 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 57.0 MB in the beginning and 61.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:16,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.98 ms. Allocated memory is still 134.2 MB. Free memory was 61.4 MB in the beginning and 84.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:16,561 INFO L168 Benchmark]: Boogie Preprocessor took 180.41 ms. Allocated memory is still 134.2 MB. Free memory was 84.9 MB in the beginning and 72.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:16,563 INFO L168 Benchmark]: RCFGBuilder took 72959.04 ms. Allocated memory was 134.2 MB in the beginning and 5.3 GB in the end (delta: 5.2 GB). Free memory was 72.1 MB in the beginning and 4.6 GB in the end (delta: -4.5 GB). Peak memory consumption was 770.8 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:16,564 INFO L168 Benchmark]: CodeCheck took 11760.31 ms. Allocated memory is still 5.3 GB. Free memory was 4.6 GB in the beginning and 4.6 GB in the end (delta: -65.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:55:16,565 INFO L168 Benchmark]: Witness Printer took 351.43 ms. Allocated memory is still 5.3 GB. Free memory was 4.6 GB in the beginning and 4.6 GB in the end (delta: 40.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:16,567 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: 11.4s, 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: 204 SDtfs, 408 SDslu, 280 SDs, 0 SdLazy, 1154 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 517 GetRequests, 464 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 556 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: 203]: 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: 1783]: Loop Invariant Derived loop invariant: (((((a15 <= 2 || 3 < a15) || a12 <= 4) || a16 <= 9) || 6 <= a12) || 11 <= a16) || a18 <= 134 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((a15 <= 2 || !(a16 == 10)) || 3 < a15) || a12 <= 4) || 5 < a12) || a18 <= 134 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 51.5 MB in the beginning and 51.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1240.16 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 57.0 MB in the beginning and 61.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 195.98 ms. Allocated memory is still 134.2 MB. Free memory was 61.4 MB in the beginning and 84.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 180.41 ms. Allocated memory is still 134.2 MB. Free memory was 84.9 MB in the beginning and 72.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 72959.04 ms. Allocated memory was 134.2 MB in the beginning and 5.3 GB in the end (delta: 5.2 GB). Free memory was 72.1 MB in the beginning and 4.6 GB in the end (delta: -4.5 GB). Peak memory consumption was 770.8 MB. Max. memory is 16.1 GB. * CodeCheck took 11760.31 ms. Allocated memory is still 5.3 GB. Free memory was 4.6 GB in the beginning and 4.6 GB in the end (delta: -65.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 351.43 ms. Allocated memory is still 5.3 GB. Free memory was 4.6 GB in the beginning and 4.6 GB in the end (delta: 40.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:55:16,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e111ce6-87b4-40a1-8c60-ece1cb04ed1a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...