./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_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_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/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_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/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_2d9b51e2-4f68-4a6d-b515-9b262bad5656/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 d4466c84cf3346dae2c632daaf2229efd1401f42fa973f4243eec5185ec47b02 ............................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:53:47,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:53:47,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:53:47,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:53:47,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:53:47,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:53:47,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:53:47,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:53:47,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:53:47,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:53:47,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:53:47,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:53:47,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:53:47,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:53:47,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:53:47,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:53:47,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:53:47,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:53:47,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:53:47,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:53:47,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:53:47,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:53:47,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:53:47,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:53:47,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:53:47,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:53:47,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:53:47,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:53:47,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:53:47,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:53:47,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:53:47,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:53:47,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:53:47,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:53:47,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:53:47,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:53:47,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:53:47,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:53:47,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:53:47,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:53:47,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:53:47,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:53:48,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:53:48,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:53:48,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:53:48,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:53:48,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:53:48,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:53:48,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:53:48,033 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:53:48,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:53:48,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:53:48,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:53:48,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:53:48,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:53:48,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:53:48,035 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:53:48,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:53:48,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:53:48,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:53:48,036 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:53:48,036 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:53:48,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:53:48,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:48,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:53:48,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:53:48,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:53:48,038 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:53:48,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:53:48,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:53:48,038 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_2d9b51e2-4f68-4a6d-b515-9b262bad5656/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4466c84cf3346dae2c632daaf2229efd1401f42fa973f4243eec5185ec47b02 [2021-10-29 02:53:48,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:53:48,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:53:48,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:53:48,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:53:48,353 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:53:48,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2021-10-29 02:53:48,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/data/e724d94cd/392c6cb9ebed46159d8d0e1e51948ba1/FLAGad0932960 [2021-10-29 02:53:48,991 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:53:48,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2021-10-29 02:53:49,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/data/e724d94cd/392c6cb9ebed46159d8d0e1e51948ba1/FLAGad0932960 [2021-10-29 02:53:49,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/data/e724d94cd/392c6cb9ebed46159d8d0e1e51948ba1 [2021-10-29 02:53:49,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:53:49,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:53:49,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:49,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:53:49,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:53:49,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e33be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49, skipping insertion in model container [2021-10-29 02:53:49,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:53:49,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:53:49,594 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_2d9b51e2-4f68-4a6d-b515-9b262bad5656/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2021-10-29 02:53:49,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:49,805 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:53:49,832 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_2d9b51e2-4f68-4a6d-b515-9b262bad5656/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2021-10-29 02:53:49,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:49,987 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:53:49,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49 WrapperNode [2021-10-29 02:53:49,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:49,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:49,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:53:49,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:53:49,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:50,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:53:50,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:53:50,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:53:50,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:53:50,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:53:50,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:53:50,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:53:50,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:50,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:50,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:53:50,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:53:50,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:53:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:53:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:53:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:53:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:03,897 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:03,897 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 02:54:03,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:03 BoogieIcfgContainer [2021-10-29 02:54:03,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:54:03,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:54:03,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:54:03,915 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:54:03,915 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:03" (1/1) ... [2021-10-29 02:54:03,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:54:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 02:54:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 02:54:03,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 02:54:03,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:03,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:04,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 02:54:04,310 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 02:54:04,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 02:54:04,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:04,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:05,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-10-29 02:54:05,118 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-10-29 02:54:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:54:05,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2021-10-29 02:54:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2021-10-29 02:54:10,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:54:10,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:10,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:12,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2021-10-29 02:54:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2021-10-29 02:54:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:54:13,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:13,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:14,710 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 02:54:17,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:17,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 96 transitions. [2021-10-29 02:54:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 96 transitions. [2021-10-29 02:54:17,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:54:17,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:17,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:18,136 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 02:54:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 50 states and 111 transitions. [2021-10-29 02:54:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 111 transitions. [2021-10-29 02:54:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:54:19,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:19,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:20,437 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 02:54:20,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 111 transitions. [2021-10-29 02:54:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 111 transitions. [2021-10-29 02:54:20,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:54:20,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:20,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:21,774 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 02:54:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 116 transitions. [2021-10-29 02:54:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2021-10-29 02:54:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 02:54:22,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:22,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:23,317 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 02:54:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 49 states and 110 transitions. [2021-10-29 02:54:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 110 transitions. [2021-10-29 02:54:23,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:54:23,638 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-10-29 02:54:23,648 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:54:24,280 INFO L565 CodeCheckObserver]: Invariant with dag size 37 [2021-10-29 02:54:24,292 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:54:24,293 INFO L565 CodeCheckObserver]: Invariant with dag size 40 [2021-10-29 02:54:24,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:54:24 ImpRootNode [2021-10-29 02:54:24,296 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:54:24,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:54:24,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:54:24,297 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:54:24,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:03" (3/4) ... [2021-10-29 02:54:24,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:54:24,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 221 nodes and edges [2021-10-29 02:54:24,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 02:54:24,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 02:54:24,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:54:24,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:54:24,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:54:24,522 INFO L168 Benchmark]: Toolchain (without parser) took 35265.02 ms. Allocated memory was 88.1 MB in the beginning and 1.4 GB in the end (delta: 1.4 GB). Free memory was 48.8 MB in the beginning and 811.2 MB in the end (delta: -762.4 MB). Peak memory consumption was 595.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:24,522 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 67.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:24,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.32 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 48.6 MB in the beginning and 71.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:24,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.87 ms. Allocated memory is still 117.4 MB. Free memory was 71.2 MB in the beginning and 61.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:24,524 INFO L168 Benchmark]: Boogie Preprocessor took 105.76 ms. Allocated memory is still 117.4 MB. Free memory was 61.7 MB in the beginning and 56.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:24,525 INFO L168 Benchmark]: RCFGBuilder took 13690.50 ms. Allocated memory was 117.4 MB in the beginning and 442.5 MB in the end (delta: 325.1 MB). Free memory was 56.0 MB in the beginning and 193.6 MB in the end (delta: -137.7 MB). Peak memory consumption was 289.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:24,526 INFO L168 Benchmark]: CodeCheck took 20394.94 ms. Allocated memory was 442.5 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 193.6 MB in the beginning and 831.0 MB in the end (delta: -637.4 MB). Peak memory consumption was 367.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:24,526 INFO L168 Benchmark]: Witness Printer took 223.99 ms. Allocated memory is still 1.4 GB. Free memory was 831.0 MB in the beginning and 811.2 MB in the end (delta: 19.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:24,528 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: 19.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3528 SDtfs, 7140 SDslu, 5008 SDs, 0 SdLazy, 23054 SolverSat, 3322 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1403 GetRequests, 1245 SyntacticMatches, 42 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6304 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 2266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 36/143 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: 167]: 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: 30]: Loop Invariant Derived loop invariant: (((8 <= a15 && !(((a24 == 1 && 7 <= a21) && a15 <= 8) && a21 <= 7)) || (0 <= 49 + a12 && a15 == 8)) || !(a12 + 43 <= 0)) || ((((a21 <= 9 || !(a24 == 1)) || 10 < a21) || !(5 == a15)) && !(8 <= a15)) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((0 <= 49 + a12 && a15 == 8) || (((((6 <= a15 || a21 <= 9) || !(a24 == 1)) || a15 <= 4) || 11 <= a21) && !(a21 <= 8 || 8 <= a15))) || a21 < 7) || (7 < a21 && (a21 <= 8 || 8 <= a15))) || 0 <= a12 + 42) || (a21 <= 7 && !(a24 == 1 && a15 == 8)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 67.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 730.32 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 48.6 MB in the beginning and 71.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.87 ms. Allocated memory is still 117.4 MB. Free memory was 71.2 MB in the beginning and 61.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.76 ms. Allocated memory is still 117.4 MB. Free memory was 61.7 MB in the beginning and 56.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13690.50 ms. Allocated memory was 117.4 MB in the beginning and 442.5 MB in the end (delta: 325.1 MB). Free memory was 56.0 MB in the beginning and 193.6 MB in the end (delta: -137.7 MB). Peak memory consumption was 289.1 MB. Max. memory is 16.1 GB. * CodeCheck took 20394.94 ms. Allocated memory was 442.5 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 193.6 MB in the beginning and 831.0 MB in the end (delta: -637.4 MB). Peak memory consumption was 367.1 MB. Max. memory is 16.1 GB. * Witness Printer took 223.99 ms. Allocated memory is still 1.4 GB. Free memory was 831.0 MB in the beginning and 811.2 MB in the end (delta: 19.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:54:24,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9b51e2-4f68-4a6d-b515-9b262bad5656/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...