./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label35.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_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/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_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/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_30ea5b74-55e8-404d-89f0-9bc139af234e/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 00a3c697369565c764a629399f75f0a57cc9f6d9ed54e92f480d6927d7ff14f0 .................................................................................................................................................................................................................................................... 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 03:54:51,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:54:51,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:54:51,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:54:51,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:54:51,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:54:51,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:54:51,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:54:51,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:54:51,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:54:51,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:54:51,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:54:51,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:54:51,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:54:51,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:54:51,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:54:51,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:54:51,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:54:51,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:54:51,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:54:51,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:54:51,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:54:51,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:54:51,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:54:51,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:54:51,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:54:51,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:54:51,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:54:51,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:54:51,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:54:51,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:54:51,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:54:51,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:54:51,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:54:51,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:54:51,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:54:51,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:54:51,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:54:51,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:54:51,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:54:51,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:54:51,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:54:51,704 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:54:51,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:54:51,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:54:51,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:54:51,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:54:51,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:54:51,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:54:51,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:54:51,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:54:51,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:54:51,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:54:51,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:54:51,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:54:51,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:54:51,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:54:51,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:54:51,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:54:51,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:54:51,719 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:54:51,720 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:54:51,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:54:51,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:54:51,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:54:51,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:54:51,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:54:51,722 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:54:51,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:54:51,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:54:51,723 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_30ea5b74-55e8-404d-89f0-9bc139af234e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00a3c697369565c764a629399f75f0a57cc9f6d9ed54e92f480d6927d7ff14f0 [2021-10-29 03:54:52,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:54:52,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:54:52,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:54:52,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:54:52,071 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:54:52,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem16_label35.c [2021-10-29 03:54:52,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/data/a71884d12/8840808709e24fcdb40481e54897ed9e/FLAG1ff8ce073 [2021-10-29 03:54:52,927 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:54:52,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/sv-benchmarks/c/eca-rers2012/Problem16_label35.c [2021-10-29 03:54:52,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/data/a71884d12/8840808709e24fcdb40481e54897ed9e/FLAG1ff8ce073 [2021-10-29 03:54:53,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/data/a71884d12/8840808709e24fcdb40481e54897ed9e [2021-10-29 03:54:53,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:54:53,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:54:53,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:54:53,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:54:53,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:54:53,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:54:53" (1/1) ... [2021-10-29 03:54:53,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3db37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:53, skipping insertion in model container [2021-10-29 03:54:53,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:54:53" (1/1) ... [2021-10-29 03:54:53,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:54:53,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:54:53,471 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_30ea5b74-55e8-404d-89f0-9bc139af234e/sv-benchmarks/c/eca-rers2012/Problem16_label35.c[4426,4439] [2021-10-29 03:54:54,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:54:54,061 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:54:54,100 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_30ea5b74-55e8-404d-89f0-9bc139af234e/sv-benchmarks/c/eca-rers2012/Problem16_label35.c[4426,4439] [2021-10-29 03:54:54,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:54:54,325 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:54:54,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54 WrapperNode [2021-10-29 03:54:54,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:54:54,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:54:54,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:54:54,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:54:54,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:54:54,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:54:54,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:54:54,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:54:54,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:54:54,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:54:54,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:54:54,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:54:54,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:54" (1/1) ... [2021-10-29 03:54:54,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:54:54,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:54:54,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:54:54,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:54:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:54:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:54:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:54:54,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:56:01,200 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:56:01,200 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 03:56:01,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:56:01 BoogieIcfgContainer [2021-10-29 03:56:01,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:56:01,204 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:56:01,204 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:56:01,216 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:56:01,217 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:56:01" (1/1) ... [2021-10-29 03:56:01,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:56:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:01,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:56:01,270 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:56:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:56:01,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:01,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:01,590 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 03:56:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-10-29 03:56:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-10-29 03:56:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:56:02,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:02,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:03,423 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 03:56:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:16,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2021-10-29 03:56:16,988 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2021-10-29 03:56:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:56:16,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:16,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:20,085 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 03:56:31,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:31,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2021-10-29 03:56:31,889 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2021-10-29 03:56:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:56:31,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:31,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:57:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2021-10-29 03:57:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2021-10-29 03:57:59,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:57:59,482 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 03:57:59,489 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:57:59,816 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 03:57:59,826 INFO L565 CodeCheckObserver]: Invariant with dag size 17 [2021-10-29 03:57:59,827 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:57:59,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:57:59 ImpRootNode [2021-10-29 03:57:59,827 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:57:59,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:57:59,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:57:59,828 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:57:59,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:56:01" (3/4) ... [2021-10-29 03:57:59,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:57:59,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 374 nodes and edges [2021-10-29 03:57:59,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-10-29 03:57:59,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 03:57:59,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:58:00,221 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:58:00,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:58:00,223 INFO L168 Benchmark]: Toolchain (without parser) took 187171.16 ms. Allocated memory was 104.9 MB in the beginning and 5.8 GB in the end (delta: 5.7 GB). Free memory was 69.5 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.4 GB. Max. memory is 16.1 GB. [2021-10-29 03:58:00,224 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 76.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:58:00,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1272.46 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 69.3 MB in the beginning and 76.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:00,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.60 ms. Allocated memory is still 142.6 MB. Free memory was 76.8 MB in the beginning and 89.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:00,225 INFO L168 Benchmark]: Boogie Preprocessor took 197.79 ms. Allocated memory is still 142.6 MB. Free memory was 89.7 MB in the beginning and 76.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:00,226 INFO L168 Benchmark]: RCFGBuilder took 66434.42 ms. Allocated memory was 142.6 MB in the beginning and 5.3 GB in the end (delta: 5.2 GB). Free memory was 76.8 MB in the beginning and 4.8 GB in the end (delta: -4.7 GB). Peak memory consumption was 831.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:00,226 INFO L168 Benchmark]: CodeCheck took 118623.58 ms. Allocated memory was 5.3 GB in the beginning and 5.8 GB in the end (delta: 432.0 MB). Free memory was 4.8 GB in the beginning and 2.4 GB in the end (delta: 2.4 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.1 GB. [2021-10-29 03:58:00,227 INFO L168 Benchmark]: Witness Printer took 393.91 ms. Allocated memory is still 5.8 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 40.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:00,229 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: 118.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 192 SDslu, 136 SDs, 0 SdLazy, 562 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 409 GetRequests, 355 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 87.3s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 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: 140]: 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: 1783]: Loop Invariant Derived loop invariant: (((a16 <= 8 || 10 <= a16) || !(a15 == 3)) || !(a12 == 9)) || 0 < a18 + 156 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((!(a15 == 3) || !(a12 == 9)) || 0 < a18 + 156) || !(a16 == 9) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 76.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1272.46 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 69.3 MB in the beginning and 76.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 240.60 ms. Allocated memory is still 142.6 MB. Free memory was 76.8 MB in the beginning and 89.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 197.79 ms. Allocated memory is still 142.6 MB. Free memory was 89.7 MB in the beginning and 76.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 66434.42 ms. Allocated memory was 142.6 MB in the beginning and 5.3 GB in the end (delta: 5.2 GB). Free memory was 76.8 MB in the beginning and 4.8 GB in the end (delta: -4.7 GB). Peak memory consumption was 831.3 MB. Max. memory is 16.1 GB. * CodeCheck took 118623.58 ms. Allocated memory was 5.3 GB in the beginning and 5.8 GB in the end (delta: 432.0 MB). Free memory was 4.8 GB in the beginning and 2.4 GB in the end (delta: 2.4 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.1 GB. * Witness Printer took 393.91 ms. Allocated memory is still 5.8 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 40.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:58:00,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ea5b74-55e8-404d-89f0-9bc139af234e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...