./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.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_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/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_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/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_e29da244-8449-4a70-a8f6-3103f3a5a0d7/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 46305506117a7249be58d8d8d8c60453578281c1cbb0dca593851bdc92c5fe11 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:54:30,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:30,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:30,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:30,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:30,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:30,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:30,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:30,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:30,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:30,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:30,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:30,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:30,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:30,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:30,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:30,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:30,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:30,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:30,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:30,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:30,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:30,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:30,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:30,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:30,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:30,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:30,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:30,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:30,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:30,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:30,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:30,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:30,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:30,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:30,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:30,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:30,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:30,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:30,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:30,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:30,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:54:30,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:30,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:30,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:30,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:30,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:30,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:30,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:30,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:30,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:54:30,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:30,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:30,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:30,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:30,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:30,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:30,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:30,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:30,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:30,655 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:30,655 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:30,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:30,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:30,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:30,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:30,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:30,657 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:54:30,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:54:30,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:30,658 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_e29da244-8449-4a70-a8f6-3103f3a5a0d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46305506117a7249be58d8d8d8c60453578281c1cbb0dca593851bdc92c5fe11 [2021-10-29 02:54:30,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:31,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:31,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:31,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:31,024 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:31,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2021-10-29 02:54:31,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/data/dd1d5aa92/f5843ab1bdb34eacbe5cd6aadeb11116/FLAGf43befc5c [2021-10-29 02:54:31,845 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:31,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2021-10-29 02:54:31,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/data/dd1d5aa92/f5843ab1bdb34eacbe5cd6aadeb11116/FLAGf43befc5c [2021-10-29 02:54:32,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/data/dd1d5aa92/f5843ab1bdb34eacbe5cd6aadeb11116 [2021-10-29 02:54:32,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:32,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:32,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:32,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:32,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:32,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:32,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f2436d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32, skipping insertion in model container [2021-10-29 02:54:32,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:32,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:32,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:32,362 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_e29da244-8449-4a70-a8f6-3103f3a5a0d7/sv-benchmarks/c/eca-rers2012/Problem14_label30.c[4533,4546] [2021-10-29 02:54:32,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:32,635 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:32,660 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_e29da244-8449-4a70-a8f6-3103f3a5a0d7/sv-benchmarks/c/eca-rers2012/Problem14_label30.c[4533,4546] [2021-10-29 02:54:32,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:32,798 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:32,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32 WrapperNode [2021-10-29 02:54:32,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:32,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:32,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:32,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:32,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:32,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:32,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:32,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:32,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:32,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:32,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:32,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:32,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:32,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:33,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:33,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:33,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:33,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:33,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:33,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:33,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:33,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:32" (1/1) ... [2021-10-29 02:54:33,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:33,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:33,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:33,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:54:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:49,353 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:49,353 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 02:54:49,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:49 BoogieIcfgContainer [2021-10-29 02:54:49,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:54:49,358 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:54:49,358 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:54:49,373 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:54:49,373 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:49" (1/1) ... [2021-10-29 02:54:49,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:54:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 02:54:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 02:54:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 02:54:49,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:49,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:49,615 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 02:54:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 02:54:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 02:54:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 02:54:49,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:49,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:50,384 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 02:54:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 02:54:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 02:54:50,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:54:50,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:50,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:51,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2021-10-29 02:54:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2021-10-29 02:54:53,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:54:53,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:53,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:56,572 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 02:54:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2021-10-29 02:54:56,924 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2021-10-29 02:54:56,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:54:56,925 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 02:54:56,931 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:54:57,254 INFO L565 CodeCheckObserver]: Invariant with dag size 20 [2021-10-29 02:54:57,272 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:54:57,272 INFO L565 CodeCheckObserver]: Invariant with dag size 20 [2021-10-29 02:54:57,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:54:57 ImpRootNode [2021-10-29 02:54:57,277 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:54:57,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:54:57,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:54:57,278 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:54:57,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:49" (3/4) ... [2021-10-29 02:54:57,282 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:54:57,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 221 nodes and edges [2021-10-29 02:54:57,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 02:54:57,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 02:54:57,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:54:57,535 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:54:57,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:54:57,538 INFO L168 Benchmark]: Toolchain (without parser) took 25483.16 ms. Allocated memory was 107.0 MB in the beginning and 1.0 GB in the end (delta: 906.0 MB). Free memory was 62.0 MB in the beginning and 685.0 MB in the end (delta: -623.0 MB). Peak memory consumption was 283.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:57,538 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 80.2 MB in the end (delta: 53.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:57,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.33 ms. Allocated memory is still 107.0 MB. Free memory was 61.8 MB in the beginning and 58.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:57,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.57 ms. Allocated memory is still 107.0 MB. Free memory was 58.8 MB in the beginning and 49.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:57,540 INFO L168 Benchmark]: Boogie Preprocessor took 215.48 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 49.1 MB in the beginning and 105.3 MB in the end (delta: -56.2 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:57,541 INFO L168 Benchmark]: RCFGBuilder took 16184.41 ms. Allocated memory was 136.3 MB in the beginning and 580.9 MB in the end (delta: 444.6 MB). Free memory was 105.3 MB in the beginning and 384.9 MB in the end (delta: -279.6 MB). Peak memory consumption was 320.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:57,541 INFO L168 Benchmark]: CodeCheck took 7919.46 ms. Allocated memory was 580.9 MB in the beginning and 1.0 GB in the end (delta: 432.0 MB). Free memory was 384.9 MB in the beginning and 705.0 MB in the end (delta: -320.1 MB). Peak memory consumption was 110.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:57,542 INFO L168 Benchmark]: Witness Printer took 258.22 ms. Allocated memory is still 1.0 GB. Free memory was 705.0 MB in the beginning and 685.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:57,545 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: 7.5s, 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, 572 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 437 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: 143]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a12 <= 11 || !(a24 == 1 && a21 <= 7)) || a21 <= 6) || a15 <= 5) || 81 <= a12) || 6 < a15 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a12 <= 11 || 7 <= a15) || !(a24 == 1)) || a21 <= 6) || 8 <= a21) || a15 <= 5) || 81 <= a12 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 80.2 MB in the end (delta: 53.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 744.33 ms. Allocated memory is still 107.0 MB. Free memory was 61.8 MB in the beginning and 58.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 154.57 ms. Allocated memory is still 107.0 MB. Free memory was 58.8 MB in the beginning and 49.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 215.48 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 49.1 MB in the beginning and 105.3 MB in the end (delta: -56.2 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 16184.41 ms. Allocated memory was 136.3 MB in the beginning and 580.9 MB in the end (delta: 444.6 MB). Free memory was 105.3 MB in the beginning and 384.9 MB in the end (delta: -279.6 MB). Peak memory consumption was 320.6 MB. Max. memory is 16.1 GB. * CodeCheck took 7919.46 ms. Allocated memory was 580.9 MB in the beginning and 1.0 GB in the end (delta: 432.0 MB). Free memory was 384.9 MB in the beginning and 705.0 MB in the end (delta: -320.1 MB). Peak memory consumption was 110.9 MB. Max. memory is 16.1 GB. * Witness Printer took 258.22 ms. Allocated memory is still 1.0 GB. Free memory was 705.0 MB in the beginning and 685.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:54:57,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29da244-8449-4a70-a8f6-3103f3a5a0d7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...