./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:18:41,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:18:41,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:18:41,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:18:41,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:18:41,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:18:41,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:18:41,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:18:41,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:18:41,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:18:41,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:18:41,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:18:41,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:18:41,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:18:41,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:18:41,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:18:41,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:18:41,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:18:41,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:18:41,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:18:41,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:18:41,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:18:41,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:18:41,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:18:41,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:18:41,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:18:41,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:18:41,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:18:41,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:18:41,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:18:41,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:18:41,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:18:41,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:18:41,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:18:41,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:18:41,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:18:41,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:18:41,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:18:41,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:18:41,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:18:41,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:18:41,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:18:41,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:18:41,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:18:41,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:18:41,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:18:41,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:18:41,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:18:41,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:18:41,866 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:18:41,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:18:41,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:18:41,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:18:41,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:18:41,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:18:41,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:18:41,876 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:18:41,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:18:41,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:18:41,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:18:41,878 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:18:41,878 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:18:41,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:18:41,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:41,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:18:41,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:18:41,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:18:41,880 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:18:41,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:18:41,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:18:41,881 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_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46305506117a7249be58d8d8d8c60453578281c1cbb0dca593851bdc92c5fe11 [2021-11-22 23:18:42,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:18:42,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:18:42,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:18:42,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:18:42,279 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:18:42,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2021-11-22 23:18:42,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/data/8660d4024/e7cf415def4947709f2fd4529413ed21/FLAGf99c98be2 [2021-11-22 23:18:43,070 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:18:43,071 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2021-11-22 23:18:43,105 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/data/8660d4024/e7cf415def4947709f2fd4529413ed21/FLAGf99c98be2 [2021-11-22 23:18:43,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/data/8660d4024/e7cf415def4947709f2fd4529413ed21 [2021-11-22 23:18:43,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:18:43,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:18:43,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:43,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:18:43,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:18:43,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:43" (1/1) ... [2021-11-22 23:18:43,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55970b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:43, skipping insertion in model container [2021-11-22 23:18:43,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:43" (1/1) ... [2021-11-22 23:18:43,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:18:43,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:18:43,708 WARN L230 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_4002df64-c59f-475b-bbc3-dbd55775a77d/sv-benchmarks/c/eca-rers2012/Problem14_label30.c[4533,4546] [2021-11-22 23:18:43,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:44,002 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:18:44,058 WARN L230 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_4002df64-c59f-475b-bbc3-dbd55775a77d/sv-benchmarks/c/eca-rers2012/Problem14_label30.c[4533,4546] [2021-11-22 23:18:44,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:44,266 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:18:44,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44 WrapperNode [2021-11-22 23:18:44,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:44,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:44,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:18:44,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:18:44,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,441 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-22 23:18:44,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:44,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:18:44,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:18:44,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:18:44,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:18:44,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:18:44,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:18:44,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:18:44,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:44,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:18:44,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:18:44,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:18:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:18:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:18:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:18:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:18:44,780 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:18:44,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:18:46,207 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:18:50,649 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:18:50,650 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:18:50,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:50 BoogieIcfgContainer [2021-11-22 23:18:50,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:18:50,655 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:18:50,655 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:18:50,668 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:18:50,669 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:50" (1/1) ... [2021-11-22 23:18:50,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:18:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-22 23:18:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-22 23:18:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:18:50,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-22 23:18:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-22 23:18:51,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:18:51,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:52,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-22 23:18:52,473 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-22 23:18:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:18:52,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:54,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2021-11-22 23:18:54,905 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2021-11-22 23:18:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:18:54,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:18:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-11-22 23:18:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-11-22 23:18:56,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:18:56,390 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-11-22 23:18:56,405 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:18:56,696 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-22 23:18:56,709 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:56,709 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2021-11-22 23:18:56,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:18:56 ImpRootNode [2021-11-22 23:18:56,711 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:18:56,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:18:56,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:18:56,712 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:18:56,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:50" (3/4) ... [2021-11-22 23:18:56,716 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:18:56,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 223 nodes and edges [2021-11-22 23:18:56,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-22 23:18:56,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-22 23:18:56,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:18:56,946 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:18:56,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:18:56,947 INFO L158 Benchmark]: Toolchain (without parser) took 13681.24ms. Allocated memory was 83.9MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 45.8MB in the beginning and 850.5MB in the end (delta: -804.7MB). Peak memory consumption was 216.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:56,947 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory was 64.1MB in the beginning and 64.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:56,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 996.60ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 56.7MB in the end (delta: -11.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-22 23:18:56,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.03ms. Allocated memory is still 102.8MB. Free memory was 56.7MB in the beginning and 47.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:18:56,949 INFO L158 Benchmark]: Boogie Preprocessor took 105.01ms. Allocated memory is still 102.8MB. Free memory was 47.0MB in the beginning and 41.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:18:56,949 INFO L158 Benchmark]: RCFGBuilder took 6106.39ms. Allocated memory was 102.8MB in the beginning and 497.0MB in the end (delta: 394.3MB). Free memory was 41.0MB in the beginning and 313.7MB in the end (delta: -272.7MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:56,950 INFO L158 Benchmark]: CodeCheck took 6055.92ms. Allocated memory was 497.0MB in the beginning and 1.1GB in the end (delta: 608.2MB). Free memory was 313.7MB in the beginning and 870.6MB in the end (delta: -557.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:56,950 INFO L158 Benchmark]: Witness Printer took 234.20ms. Allocated memory is still 1.1GB. Free memory was 870.6MB in the beginning and 850.5MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-22 23:18:56,953 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: 5.7s, 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: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 258 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 46 mSDtfsCounter, 258 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 394 GetRequests, 348 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 842 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 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 <= 6) || 7 < a21) || 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 0.38ms. Allocated memory is still 83.9MB. Free memory was 64.1MB in the beginning and 64.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 996.60ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 56.7MB in the end (delta: -11.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.03ms. Allocated memory is still 102.8MB. Free memory was 56.7MB in the beginning and 47.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.01ms. Allocated memory is still 102.8MB. Free memory was 47.0MB in the beginning and 41.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6106.39ms. Allocated memory was 102.8MB in the beginning and 497.0MB in the end (delta: 394.3MB). Free memory was 41.0MB in the beginning and 313.7MB in the end (delta: -272.7MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. * CodeCheck took 6055.92ms. Allocated memory was 497.0MB in the beginning and 1.1GB in the end (delta: 608.2MB). Free memory was 313.7MB in the beginning and 870.6MB in the end (delta: -557.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Witness Printer took 234.20ms. Allocated memory is still 1.1GB. Free memory was 870.6MB in the beginning and 850.5MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:18:56,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4002df64-c59f-475b-bbc3-dbd55775a77d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE