./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label40.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_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/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_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/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_61a328e6-d016-4b0e-88ee-8f8104551b2c/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 be7ecc9aa1c7e8dfb9739700094e29609bf8bf38dd295ce34c37d7f9597d2a6e .................................................................................................................................................................................................................................................................... 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 03:57:44,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:57:44,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:57:44,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:57:44,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:57:44,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:57:44,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:57:44,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:57:44,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:57:44,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:57:44,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:57:44,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:57:44,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:57:44,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:57:44,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:57:44,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:57:44,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:57:44,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:57:44,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:57:44,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:57:44,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:57:44,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:57:44,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:57:44,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:57:44,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:57:44,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:57:44,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:57:44,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:57:44,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:57:44,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:57:44,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:57:44,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:57:44,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:57:44,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:57:44,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:57:44,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:57:44,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:57:44,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:57:44,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:57:44,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:57:44,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:57:44,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:57:44,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:57:44,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:57:44,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:57:44,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:57:44,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:57:44,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:57:44,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:57:44,398 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:57:44,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:57:44,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:57:44,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:57:44,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:57:44,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:57:44,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:57:44,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:57:44,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:57:44,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:57:44,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:57:44,400 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:57:44,400 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:57:44,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:57:44,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:57:44,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:57:44,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:57:44,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:57:44,402 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:57:44,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:57:44,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:57:44,402 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_61a328e6-d016-4b0e-88ee-8f8104551b2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be7ecc9aa1c7e8dfb9739700094e29609bf8bf38dd295ce34c37d7f9597d2a6e [2021-10-29 03:57:44,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:57:44,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:57:44,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:57:44,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:57:44,742 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:57:44,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label40.c [2021-10-29 03:57:44,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/data/be3a2a436/0ec47be8b45b4d8d99d2969f1cc2f0dc/FLAG0e24de5fb [2021-10-29 03:57:45,447 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:57:45,448 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/sv-benchmarks/c/eca-rers2012/Problem10_label40.c [2021-10-29 03:57:45,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/data/be3a2a436/0ec47be8b45b4d8d99d2969f1cc2f0dc/FLAG0e24de5fb [2021-10-29 03:57:45,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/data/be3a2a436/0ec47be8b45b4d8d99d2969f1cc2f0dc [2021-10-29 03:57:45,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:57:45,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:57:45,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:57:45,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:57:45,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:57:45,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:57:45" (1/1) ... [2021-10-29 03:57:45,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4ef85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:45, skipping insertion in model container [2021-10-29 03:57:45,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:57:45" (1/1) ... [2021-10-29 03:57:45,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:57:45,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:57:45,972 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_61a328e6-d016-4b0e-88ee-8f8104551b2c/sv-benchmarks/c/eca-rers2012/Problem10_label40.c[5662,5675] [2021-10-29 03:57:46,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:57:46,165 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:57:46,210 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_61a328e6-d016-4b0e-88ee-8f8104551b2c/sv-benchmarks/c/eca-rers2012/Problem10_label40.c[5662,5675] [2021-10-29 03:57:46,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:57:46,369 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:57:46,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46 WrapperNode [2021-10-29 03:57:46,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:57:46,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:57:46,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:57:46,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:57:46,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:57:46,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:57:46,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:57:46,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:57:46,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:57:46,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:57:46,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:57:46,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:57:46,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:46" (1/1) ... [2021-10-29 03:57:46,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:57:46,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:57:46,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:57:46,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:57:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:57:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:57:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:57:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:57:54,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:57:54,863 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:57:54,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:54 BoogieIcfgContainer [2021-10-29 03:57:54,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:57:54,866 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:57:54,867 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:57:54,878 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:57:54,878 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:54" (1/1) ... [2021-10-29 03:57:54,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:57:54,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:54,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:57:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:57:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:57:54,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:54,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:55,121 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 03:57:55,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:57:55,221 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:57:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:57:55,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:55,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:55,775 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 03:57:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:57:56,155 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:57:56,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:57:56,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:56,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:56,900 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 03:57:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-10-29 03:57:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-10-29 03:57:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:57:57,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:57,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:58,209 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 03:57:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2021-10-29 03:57:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2021-10-29 03:57:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:57:58,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:58,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:58:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2021-10-29 03:58:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-10-29 03:58:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:58:00,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:00,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 03:58:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2021-10-29 03:58:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2021-10-29 03:58:01,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:58:01,432 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-10-29 03:58:01,438 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:58:01,793 INFO L565 CodeCheckObserver]: Invariant with dag size 25 [2021-10-29 03:58:01,814 INFO L565 CodeCheckObserver]: Invariant with dag size 24 [2021-10-29 03:58:01,817 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:58:01,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:58:01 ImpRootNode [2021-10-29 03:58:01,818 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:58:01,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:58:01,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:58:01,820 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:58:01,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:54" (3/4) ... [2021-10-29 03:58:01,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:58:01,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-29 03:58:01,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:58:01,867 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:58:01,869 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:58:02,000 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:58:02,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:58:02,002 INFO L168 Benchmark]: Toolchain (without parser) took 16338.73 ms. Allocated memory was 100.7 MB in the beginning and 501.2 MB in the end (delta: 400.6 MB). Free memory was 68.8 MB in the beginning and 391.0 MB in the end (delta: -322.2 MB). Peak memory consumption was 78.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:02,003 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory was 62.0 MB in the beginning and 62.0 MB in the end (delta: 60.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:58:02,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.84 ms. Allocated memory was 100.7 MB in the beginning and 140.5 MB in the end (delta: 39.8 MB). Free memory was 68.6 MB in the beginning and 99.6 MB in the end (delta: -31.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:02,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.80 ms. Allocated memory is still 140.5 MB. Free memory was 99.6 MB in the beginning and 91.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:02,005 INFO L168 Benchmark]: Boogie Preprocessor took 113.89 ms. Allocated memory is still 140.5 MB. Free memory was 91.7 MB in the beginning and 86.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:02,005 INFO L168 Benchmark]: RCFGBuilder took 8274.76 ms. Allocated memory was 140.5 MB in the beginning and 327.2 MB in the end (delta: 186.6 MB). Free memory was 86.7 MB in the beginning and 147.2 MB in the end (delta: -60.5 MB). Peak memory consumption was 147.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:02,006 INFO L168 Benchmark]: CodeCheck took 6951.55 ms. Allocated memory was 327.2 MB in the beginning and 501.2 MB in the end (delta: 174.1 MB). Free memory was 147.2 MB in the beginning and 406.7 MB in the end (delta: -259.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:58:02,006 INFO L168 Benchmark]: Witness Printer took 182.44 ms. Allocated memory is still 501.2 MB. Free memory was 406.7 MB in the beginning and 391.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:02,008 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: 6.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 416 SDtfs, 772 SDslu, 576 SDs, 0 SdLazy, 2300 SolverSat, 432 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 757 GetRequests, 648 SyntacticMatches, 35 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2606 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 1001 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 50/80 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: 161]: 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: (((((a1 + 13 <= 0 || 38 < a1) || !(a10 == 0)) && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && 9 <= a19)) || ((14 == a4 && a19 <= 7) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && 9 <= a19) || ((14 == a4 && (((a1 + 13 <= 0 || 38 < a1) || a19 <= 7) || !(a10 == 0))) && 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 100.7 MB. Free memory was 62.0 MB in the beginning and 62.0 MB in the end (delta: 60.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 704.84 ms. Allocated memory was 100.7 MB in the beginning and 140.5 MB in the end (delta: 39.8 MB). Free memory was 68.6 MB in the beginning and 99.6 MB in the end (delta: -31.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.80 ms. Allocated memory is still 140.5 MB. Free memory was 99.6 MB in the beginning and 91.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.89 ms. Allocated memory is still 140.5 MB. Free memory was 91.7 MB in the beginning and 86.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8274.76 ms. Allocated memory was 140.5 MB in the beginning and 327.2 MB in the end (delta: 186.6 MB). Free memory was 86.7 MB in the beginning and 147.2 MB in the end (delta: -60.5 MB). Peak memory consumption was 147.3 MB. Max. memory is 16.1 GB. * CodeCheck took 6951.55 ms. Allocated memory was 327.2 MB in the beginning and 501.2 MB in the end (delta: 174.1 MB). Free memory was 147.2 MB in the beginning and 406.7 MB in the end (delta: -259.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 182.44 ms. Allocated memory is still 501.2 MB. Free memory was 406.7 MB in the beginning and 391.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:58:02,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a328e6-d016-4b0e-88ee-8f8104551b2c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...