./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label03.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_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/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_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/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_8cf7f18f-50b5-4eed-94be-efa11988e35f/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 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:14:31,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:14:31,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:14:31,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:14:31,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:14:31,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:14:31,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:14:31,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:14:31,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:14:31,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:14:31,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:14:31,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:14:31,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:14:31,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:14:31,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:14:31,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:14:31,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:14:31,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:14:31,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:14:31,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:14:31,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:14:31,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:14:31,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:14:31,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:14:31,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:14:31,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:14:31,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:14:31,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:14:31,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:14:31,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:14:31,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:14:31,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:14:31,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:14:31,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:14:31,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:14:31,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:14:31,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:14:31,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:14:31,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:14:31,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:14:31,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:14:31,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:14:32,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:14:32,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:14:32,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:14:32,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:14:32,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:14:32,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:14:32,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:14:32,021 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:14:32,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:14:32,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:14:32,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:14:32,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:14:32,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:14:32,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:14:32,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:14:32,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:14:32,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:14:32,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:14:32,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:14:32,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:14:32,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:14:32,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:14:32,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:14:32,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:14:32,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:14:32,034 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:14:32,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:14:32,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:14:32,035 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_8cf7f18f-50b5-4eed-94be-efa11988e35f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a [2021-10-29 04:14:32,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:14:32,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:14:32,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:14:32,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:14:32,396 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:14:32,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c [2021-10-29 04:14:32,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/data/50cc5f14e/788c125521ba4dd98b1264ecfb4dd3e9/FLAG106e1e552 [2021-10-29 04:14:33,245 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:14:33,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/sv-benchmarks/c/eca-rers2012/Problem10_label03.c [2021-10-29 04:14:33,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/data/50cc5f14e/788c125521ba4dd98b1264ecfb4dd3e9/FLAG106e1e552 [2021-10-29 04:14:33,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/data/50cc5f14e/788c125521ba4dd98b1264ecfb4dd3e9 [2021-10-29 04:14:33,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:14:33,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:14:33,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:14:33,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:14:33,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:14:33,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:14:33" (1/1) ... [2021-10-29 04:14:33,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b119ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:33, skipping insertion in model container [2021-10-29 04:14:33,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:14:33" (1/1) ... [2021-10-29 04:14:33,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:14:33,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:14:33,730 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_8cf7f18f-50b5-4eed-94be-efa11988e35f/sv-benchmarks/c/eca-rers2012/Problem10_label03.c[4220,4233] [2021-10-29 04:14:34,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:14:34,051 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:14:34,099 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_8cf7f18f-50b5-4eed-94be-efa11988e35f/sv-benchmarks/c/eca-rers2012/Problem10_label03.c[4220,4233] [2021-10-29 04:14:34,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:14:34,238 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:14:34,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34 WrapperNode [2021-10-29 04:14:34,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:14:34,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:14:34,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:14:34,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:14:34,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:14:34,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:14:34,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:14:34,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:14:34,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:14:34,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:14:34,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:14:34,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:14:34,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:34" (1/1) ... [2021-10-29 04:14:34,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:14:34,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:14:34,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:14:34,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:14:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:14:34,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:14:34,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:14:34,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:14:43,920 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:14:43,921 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:14:43,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:14:43 BoogieIcfgContainer [2021-10-29 04:14:43,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:14:43,925 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:14:43,925 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:14:43,936 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:14:43,936 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:14:43" (1/1) ... [2021-10-29 04:14:43,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:14:43,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 04:14:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 04:14:43,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:14:43,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:43,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:44,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 04:14:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 04:14:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:14:44,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:44,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:45,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 04:14:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 04:14:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:14:45,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:45,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2021-10-29 04:14:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2021-10-29 04:14:47,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:14:47,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:47,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2021-10-29 04:14:48,159 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2021-10-29 04:14:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:14:48,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:48,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:14:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2021-10-29 04:14:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2021-10-29 04:14:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:14:50,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:50,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:14:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2021-10-29 04:14:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-10-29 04:14:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:14:51,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:51,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:14:52,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2021-10-29 04:14:52,894 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2021-10-29 04:14:52,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:14:52,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:52,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 04:14:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2021-10-29 04:14:54,336 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-10-29 04:14:54,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:14:54,337 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-10-29 04:14:54,343 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:14:54,652 INFO L565 CodeCheckObserver]: Invariant with dag size 23 [2021-10-29 04:14:54,681 INFO L565 CodeCheckObserver]: Invariant with dag size 23 [2021-10-29 04:14:54,682 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:14:54,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:14:54 ImpRootNode [2021-10-29 04:14:54,686 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:14:54,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:14:54,688 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:14:54,689 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:14:54,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:14:43" (3/4) ... [2021-10-29 04:14:54,693 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:14:54,727 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-29 04:14:54,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:14:54,731 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:14:54,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:14:54,913 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:14:54,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:14:54,916 INFO L168 Benchmark]: Toolchain (without parser) took 21497.78 ms. Allocated memory was 88.1 MB in the beginning and 574.6 MB in the end (delta: 486.5 MB). Free memory was 54.5 MB in the beginning and 222.7 MB in the end (delta: -168.3 MB). Peak memory consumption was 317.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:54,916 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:14:54,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.60 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 54.1 MB in the beginning and 83.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:54,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.80 ms. Allocated memory is still 123.7 MB. Free memory was 83.0 MB in the beginning and 75.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:54,919 INFO L168 Benchmark]: Boogie Preprocessor took 133.54 ms. Allocated memory is still 123.7 MB. Free memory was 75.1 MB in the beginning and 70.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:54,920 INFO L168 Benchmark]: RCFGBuilder took 9365.44 ms. Allocated memory was 123.7 MB in the beginning and 226.5 MB in the end (delta: 102.8 MB). Free memory was 70.4 MB in the beginning and 95.3 MB in the end (delta: -24.8 MB). Peak memory consumption was 128.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:54,920 INFO L168 Benchmark]: CodeCheck took 10761.35 ms. Allocated memory was 226.5 MB in the beginning and 574.6 MB in the end (delta: 348.1 MB). Free memory was 95.3 MB in the beginning and 238.6 MB in the end (delta: -143.4 MB). Peak memory consumption was 205.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:54,921 INFO L168 Benchmark]: Witness Printer took 226.96 ms. Allocated memory is still 574.6 MB. Free memory was 237.6 MB in the beginning and 222.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:54,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1684 SDtfs, 3196 SDslu, 2344 SDs, 0 SdLazy, 9668 SolverSat, 1588 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1090 GetRequests, 954 SyntacticMatches, 54 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3054 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 122]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((14 == a4 && ((0 <= a1 + 12 || a19 <= 5) || !(a10 == 1))) && a12 == 0) || ((7 <= a19 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((7 <= a19 && 14 == a4) && a12 == 0) || ((((a19 <= 5 || !(a10 == 1)) || 0 < a1 + 13) && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 819.60 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 54.1 MB in the beginning and 83.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 182.80 ms. Allocated memory is still 123.7 MB. Free memory was 83.0 MB in the beginning and 75.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 133.54 ms. Allocated memory is still 123.7 MB. Free memory was 75.1 MB in the beginning and 70.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9365.44 ms. Allocated memory was 123.7 MB in the beginning and 226.5 MB in the end (delta: 102.8 MB). Free memory was 70.4 MB in the beginning and 95.3 MB in the end (delta: -24.8 MB). Peak memory consumption was 128.7 MB. Max. memory is 16.1 GB. * CodeCheck took 10761.35 ms. Allocated memory was 226.5 MB in the beginning and 574.6 MB in the end (delta: 348.1 MB). Free memory was 95.3 MB in the beginning and 238.6 MB in the end (delta: -143.4 MB). Peak memory consumption was 205.8 MB. Max. memory is 16.1 GB. * Witness Printer took 226.96 ms. Allocated memory is still 574.6 MB. Free memory was 237.6 MB in the beginning and 222.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:14:54,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf7f18f-50b5-4eed-94be-efa11988e35f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...