./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01-1.i --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_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/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_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/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_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/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 b8288a9de178793ff8226fcaf13a19528a323382cd8b50b54e8a1ad5ce998241 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:18:58,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:18:58,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:18:58,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:18:58,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:18:58,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:18:58,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:18:58,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:18:58,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:18:58,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:18:58,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:18:58,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:18:58,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:18:58,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:18:58,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:18:58,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:18:58,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:18:58,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:18:58,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:18:58,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:18:58,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:18:58,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:18:58,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:18:58,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:18:58,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:18:58,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:18:58,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:18:58,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:18:58,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:18:58,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:18:58,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:18:58,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:18:58,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:18:58,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:18:58,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:18:58,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:18:58,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:18:58,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:18:58,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:18:58,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:18:58,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:18:58,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:18:58,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:18:58,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:18:58,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:18:58,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:18:58,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:18:58,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:18:58,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:18:58,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:18:58,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:18:58,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:18:58,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:18:58,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:18:58,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:18:58,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:18:58,568 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:18:58,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:18:58,569 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:18:58,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:18:58,569 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:18:58,569 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:18:58,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:18:58,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:18:58,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:18:58,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:18:58,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:18:58,570 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:18:58,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:18:58,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:18:58,571 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_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8288a9de178793ff8226fcaf13a19528a323382cd8b50b54e8a1ad5ce998241 [2021-10-29 03:18:58,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:18:58,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:18:58,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:18:58,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:18:58,859 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:18:58,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loops/sum01-1.i [2021-10-29 03:18:58,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/data/1c24fc40d/725af9e82dc54ffea9139eca9b359306/FLAGc8f4675fe [2021-10-29 03:18:59,378 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:18:59,378 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/sv-benchmarks/c/loops/sum01-1.i [2021-10-29 03:18:59,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/data/1c24fc40d/725af9e82dc54ffea9139eca9b359306/FLAGc8f4675fe [2021-10-29 03:18:59,772 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/data/1c24fc40d/725af9e82dc54ffea9139eca9b359306 [2021-10-29 03:18:59,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:18:59,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:18:59,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:18:59,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:18:59,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:18:59,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:18:59" (1/1) ... [2021-10-29 03:18:59,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e628182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:59, skipping insertion in model container [2021-10-29 03:18:59,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:18:59" (1/1) ... [2021-10-29 03:18:59,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:18:59,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:18:59,987 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_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/sv-benchmarks/c/loops/sum01-1.i[808,821] [2021-10-29 03:18:59,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:00,004 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:19:00,017 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_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/sv-benchmarks/c/loops/sum01-1.i[808,821] [2021-10-29 03:19:00,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:00,033 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:19:00,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00 WrapperNode [2021-10-29 03:19:00,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:19:00,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:00,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:19:00,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:19:00,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:00,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:19:00,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:19:00,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:19:00,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:19:00,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:19:00,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:19:00,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:19:00,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:19:00,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:19:00,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:19:00,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:19:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:19:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:19:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:19:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:19:00,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:19:00,413 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:19:00,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:19:00 BoogieIcfgContainer [2021-10-29 03:19:00,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:19:00,417 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:19:00,417 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:19:00,429 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:19:00,429 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:19:00" (1/1) ... [2021-10-29 03:19:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:19:00,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-10-29 03:19:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-10-29 03:19:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:19:00,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:00,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:00,818 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 03:19:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:00,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:19:00,886 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:19:00,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:19:00,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:00,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2021-10-29 03:19:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2021-10-29 03:19:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:19:01,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:01,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:01,667 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 03:19:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 13 states and 25 transitions. [2021-10-29 03:19:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 25 transitions. [2021-10-29 03:19:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:19:02,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:02,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:02,245 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 03:19:02,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 29 transitions. [2021-10-29 03:19:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 29 transitions. [2021-10-29 03:19:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:19:02,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:02,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 15 states and 31 transitions. [2021-10-29 03:19:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 31 transitions. [2021-10-29 03:19:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:19:03,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:03,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 17 states and 38 transitions. [2021-10-29 03:19:03,771 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 38 transitions. [2021-10-29 03:19:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:19:03,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:03,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:03,979 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 03:19:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 19 states and 43 transitions. [2021-10-29 03:19:04,542 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 43 transitions. [2021-10-29 03:19:04,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:19:04,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:04,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:04,655 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 03:19:05,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 20 states and 43 transitions. [2021-10-29 03:19:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 43 transitions. [2021-10-29 03:19:05,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:19:05,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:05,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:05,189 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 03:19:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 21 states and 44 transitions. [2021-10-29 03:19:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 44 transitions. [2021-10-29 03:19:05,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:19:05,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:05,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:06,010 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 22 states and 42 transitions. [2021-10-29 03:19:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 42 transitions. [2021-10-29 03:19:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:19:06,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:06,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:07,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2021-10-29 03:19:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2021-10-29 03:19:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:19:07,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:07,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:07,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2021-10-29 03:19:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2021-10-29 03:19:07,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:19:07,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:07,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:07,651 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2021-10-29 03:19:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2021-10-29 03:19:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:19:07,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:07,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2021-10-29 03:19:09,214 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2021-10-29 03:19:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:19:09,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:09,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:09,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:09,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2021-10-29 03:19:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2021-10-29 03:19:09,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:19:09,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:09,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:09,615 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2021-10-29 03:19:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2021-10-29 03:19:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:19:10,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:10,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:11,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:11,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2021-10-29 03:19:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2021-10-29 03:19:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:19:11,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:11,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:11,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2021-10-29 03:19:11,664 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2021-10-29 03:19:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:19:11,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:11,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2021-10-29 03:19:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2021-10-29 03:19:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:19:12,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:12,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2021-10-29 03:19:12,504 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-10-29 03:19:12,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:19:12,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:12,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:13,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2021-10-29 03:19:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2021-10-29 03:19:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:19:13,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:13,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:14,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2021-10-29 03:19:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2021-10-29 03:19:14,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:19:14,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:14,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:14,539 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2021-10-29 03:19:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2021-10-29 03:19:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:19:14,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:14,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:15,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-10-29 03:19:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-10-29 03:19:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:19:15,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:15,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2021-10-29 03:19:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2021-10-29 03:19:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:19:16,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:16,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2021-10-29 03:19:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2021-10-29 03:19:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:19:16,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:16,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:19:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:19:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:19:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2021-10-29 03:19:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2021-10-29 03:19:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:19:17,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:19:17,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:19:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:19:17,293 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:19:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:19:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:19:17,347 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:19:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:19:17,405 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2021-10-29 03:19:17,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:19:17 ImpRootNode [2021-10-29 03:19:17,446 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:19:17,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:19:17,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:19:17,447 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:19:17,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:19:00" (3/4) ... [2021-10-29 03:19:17,449 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:19:17,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:19:17,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:19:17,505 INFO L168 Benchmark]: Toolchain (without parser) took 17727.71 ms. Allocated memory was 119.5 MB in the beginning and 211.8 MB in the end (delta: 92.3 MB). Free memory was 85.2 MB in the beginning and 128.1 MB in the end (delta: -42.9 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,506 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 58.9 MB in the beginning and 58.9 MB in the end (delta: 27.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:19:17,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.34 ms. Allocated memory is still 119.5 MB. Free memory was 85.2 MB in the beginning and 95.6 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 119.5 MB. Free memory was 95.6 MB in the beginning and 94.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,509 INFO L168 Benchmark]: Boogie Preprocessor took 19.21 ms. Allocated memory is still 119.5 MB. Free memory was 93.7 MB in the beginning and 92.9 MB in the end (delta: 815.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,509 INFO L168 Benchmark]: RCFGBuilder took 326.92 ms. Allocated memory is still 119.5 MB. Free memory was 92.9 MB in the beginning and 82.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,510 INFO L168 Benchmark]: CodeCheck took 17029.44 ms. Allocated memory was 119.5 MB in the beginning and 211.8 MB in the end (delta: 92.3 MB). Free memory was 82.4 MB in the beginning and 130.2 MB in the end (delta: -47.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,511 INFO L168 Benchmark]: Witness Printer took 56.82 ms. Allocated memory is still 211.8 MB. Free memory was 130.2 MB in the beginning and 128.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:17,516 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 67108864 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, -1219631282 SolverSat, 1475127446 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2769 GetRequests, 2429 SyntacticMatches, 136 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18713 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 3406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 0/572 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 - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L24] i=1 [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=n [L25] COND FALSE !(i<10) [L24] i++ [L24] COND FALSE !(i<=n) [L15] COND TRUE !(cond) [L16] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 58.9 MB in the beginning and 58.9 MB in the end (delta: 27.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.34 ms. Allocated memory is still 119.5 MB. Free memory was 85.2 MB in the beginning and 95.6 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 119.5 MB. Free memory was 95.6 MB in the beginning and 94.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.21 ms. Allocated memory is still 119.5 MB. Free memory was 93.7 MB in the beginning and 92.9 MB in the end (delta: 815.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 326.92 ms. Allocated memory is still 119.5 MB. Free memory was 92.9 MB in the beginning and 82.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 17029.44 ms. Allocated memory was 119.5 MB in the beginning and 211.8 MB in the end (delta: 92.3 MB). Free memory was 82.4 MB in the beginning and 130.2 MB in the end (delta: -47.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * Witness Printer took 56.82 ms. Allocated memory is still 211.8 MB. Free memory was 130.2 MB in the beginning and 128.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:19:17,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4543a5e3-c0e5-42e9-bca2-f3433d9b6c53/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...