./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.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_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/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_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/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_b53a86a7-27bb-4388-944e-450eb3d2a9bf/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 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 .................................................................................................................................................................................................................................................................................... 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 02:54:05,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:05,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:05,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:05,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:05,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:05,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:05,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:05,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:05,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:05,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:05,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:05,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:05,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:05,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:05,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:05,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:05,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:05,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:05,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:05,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:05,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:05,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:05,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:05,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:05,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:05,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:05,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:05,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:05,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:05,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:05,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:05,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:05,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:05,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:05,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:05,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:05,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:05,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:05,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:05,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:05,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:54:05,605 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:05,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:05,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:05,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:05,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:05,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:05,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:05,612 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:05,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:54:05,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:05,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:05,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:05,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:05,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:05,623 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:05,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:05,624 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:05,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:05,624 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:05,624 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:05,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:05,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:05,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:05,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:05,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:05,626 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:54:05,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:54:05,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:05,627 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_b53a86a7-27bb-4388-944e-450eb3d2a9bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 [2021-10-29 02:54:05,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:05,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:06,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:06,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:06,004 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:06,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2021-10-29 02:54:06,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/data/c4cae7ae4/6bd8f5f645d547719a24c30fa97cafeb/FLAG722fba662 [2021-10-29 02:54:06,758 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:06,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2021-10-29 02:54:06,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/data/c4cae7ae4/6bd8f5f645d547719a24c30fa97cafeb/FLAG722fba662 [2021-10-29 02:54:06,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/data/c4cae7ae4/6bd8f5f645d547719a24c30fa97cafeb [2021-10-29 02:54:06,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:06,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:06,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:06,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:06,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:06,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:06" (1/1) ... [2021-10-29 02:54:06,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291561b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:06, skipping insertion in model container [2021-10-29 02:54:06,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:06" (1/1) ... [2021-10-29 02:54:06,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:07,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:07,334 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_b53a86a7-27bb-4388-944e-450eb3d2a9bf/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2021-10-29 02:54:07,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:07,627 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:07,681 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_b53a86a7-27bb-4388-944e-450eb3d2a9bf/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2021-10-29 02:54:07,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:07,855 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:07,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07 WrapperNode [2021-10-29 02:54:07,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:07,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:07,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:07,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:07,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:07,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:08,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:08,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:08,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:08,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:08,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:08,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:08,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:08,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:08,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:08,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:08,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:08,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:08,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:08,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:08,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:08,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:07" (1/1) ... [2021-10-29 02:54:08,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:08,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:08,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:08,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:54:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:34,225 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:34,225 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 02:54:34,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:34 BoogieIcfgContainer [2021-10-29 02:54:34,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:54:34,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:54:34,230 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:54:34,243 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:54:34,244 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:34" (1/1) ... [2021-10-29 02:54:34,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:54:34,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:34,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 02:54:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 02:54:34,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 02:54:34,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:34,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:34,547 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 02:54:34,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 02:54:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 02:54:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 02:54:34,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:34,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:35,411 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 02:54:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-10-29 02:54:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-10-29 02:54:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:54:35,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:35,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:31,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2021-10-29 02:55:31,197 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-10-29 02:55:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:55:31,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:31,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:56:15,583 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 02:56:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:56:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2021-10-29 02:56:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2021-10-29 02:56:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:56:16,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:56:16,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:56:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:56:17,703 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 02:56:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:56:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2021-10-29 02:56:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2021-10-29 02:56:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:56:19,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:56:19,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:56:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:56:20,507 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 02:56:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:56:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2021-10-29 02:56:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-10-29 02:56:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:56:21,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:56:21,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:56:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:56:22,437 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 02:56:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:56:22,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2021-10-29 02:56:22,883 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2021-10-29 02:56:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 02:56:22,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:56:22,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:56:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:56:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 02:56:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:56:25,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2021-10-29 02:56:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2021-10-29 02:56:25,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:56:25,386 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-10-29 02:56:25,391 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:56:25,987 INFO L565 CodeCheckObserver]: Invariant with dag size 33 [2021-10-29 02:56:26,000 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:56:26,000 INFO L565 CodeCheckObserver]: Invariant with dag size 30 [2021-10-29 02:56:26,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:56:26 ImpRootNode [2021-10-29 02:56:26,002 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:56:26,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:56:26,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:56:26,003 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:56:26,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:34" (3/4) ... [2021-10-29 02:56:26,006 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:56:26,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 254 nodes and edges [2021-10-29 02:56:26,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-10-29 02:56:26,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 02:56:26,046 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:56:26,219 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:56:26,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:56:26,221 INFO L168 Benchmark]: Toolchain (without parser) took 139261.13 ms. Allocated memory was 83.9 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 44.7 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-29 02:56:26,221 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory is still 64.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:56:26,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 886.18 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 63.1 MB in the beginning and 76.5 MB in the end (delta: -13.4 MB). Peak memory consumption was 44.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:26,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.41 ms. Allocated memory is still 104.9 MB. Free memory was 76.5 MB in the beginning and 59.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:26,223 INFO L168 Benchmark]: Boogie Preprocessor took 136.00 ms. Allocated memory is still 104.9 MB. Free memory was 59.7 MB in the beginning and 50.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:26,223 INFO L168 Benchmark]: RCFGBuilder took 26070.99 ms. Allocated memory was 104.9 MB in the beginning and 939.5 MB in the end (delta: 834.7 MB). Free memory was 50.1 MB in the beginning and 620.0 MB in the end (delta: -569.9 MB). Peak memory consumption was 366.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:26,224 INFO L168 Benchmark]: CodeCheck took 111772.47 ms. Allocated memory was 939.5 MB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 620.0 MB in the beginning and 1.1 GB in the end (delta: -502.9 MB). Peak memory consumption was 933.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:26,224 INFO L168 Benchmark]: Witness Printer took 217.23 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:56:26,226 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: 111.1s, 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: 1692 SDtfs, 3372 SDslu, 2360 SDs, 0 SdLazy, 9704 SolverSat, 1340 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1115 GetRequests, 995 SyntacticMatches, 46 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2524 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 7.1s SatisfiabilityAnalysisTime, 97.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1676 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: 187]: 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: 1044]: Loop Invariant Derived loop invariant: ((((((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((12 <= a25 && a3 == 1) && a8 == 15)) || ((141 <= a29 && a3 == 1) && a8 == 15)) || ((a25 <= 10 && a3 == 1) && a8 == 15)) || (((!(a4 == 1) || 0 <= a23 + 42) && a3 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((((((140 < a29 || 11 < a25) || a25 <= 10) || !(a4 == 1)) || 0 <= a23 + 42) && a3 == 1) && a8 == 15) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory is still 64.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 886.18 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 63.1 MB in the beginning and 76.5 MB in the end (delta: -13.4 MB). Peak memory consumption was 44.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 162.41 ms. Allocated memory is still 104.9 MB. Free memory was 76.5 MB in the beginning and 59.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 136.00 ms. Allocated memory is still 104.9 MB. Free memory was 59.7 MB in the beginning and 50.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 26070.99 ms. Allocated memory was 104.9 MB in the beginning and 939.5 MB in the end (delta: 834.7 MB). Free memory was 50.1 MB in the beginning and 620.0 MB in the end (delta: -569.9 MB). Peak memory consumption was 366.9 MB. Max. memory is 16.1 GB. * CodeCheck took 111772.47 ms. Allocated memory was 939.5 MB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 620.0 MB in the beginning and 1.1 GB in the end (delta: -502.9 MB). Peak memory consumption was 933.6 MB. Max. memory is 16.1 GB. * Witness Printer took 217.23 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:56:26,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a86a7-27bb-4388-944e-450eb3d2a9bf/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...