./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label56.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_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/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_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/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_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/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 1bf9c9ed0ac3089dd8a3bb2d319db37780f9f29fcee029bedf598db4408580eb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:32:56,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:32:56,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:32:56,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:32:56,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:32:56,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:32:56,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:32:56,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:32:56,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:32:56,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:32:56,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:32:56,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:32:56,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:32:56,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:32:56,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:32:56,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:32:56,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:32:56,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:32:56,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:32:56,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:32:56,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:32:56,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:32:56,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:32:56,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:32:56,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:32:56,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:32:56,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:32:56,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:32:56,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:32:56,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:32:56,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:32:56,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:32:56,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:32:56,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:32:56,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:32:56,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:32:56,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:32:56,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:32:56,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:32:56,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:32:56,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:32:56,845 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:32:56,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:32:56,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:32:56,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:32:56,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:32:56,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:32:56,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:32:56,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:32:56,887 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:32:56,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:32:56,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:32:56,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:32:56,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:32:56,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:32:56,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:32:56,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:32:56,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:32:56,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:32:56,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:32:56,897 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:32:56,897 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:32:56,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:32:56,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:56,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:32:56,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:32:56,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:32:56,898 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:32:56,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:32:56,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:32:56,899 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_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bf9c9ed0ac3089dd8a3bb2d319db37780f9f29fcee029bedf598db4408580eb [2021-11-23 01:32:57,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:32:57,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:32:57,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:32:57,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:32:57,203 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:32:57,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem16_label56.c [2021-11-23 01:32:57,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/data/233c71d60/ac5f0bdf40b8472bad48c854a9fa72ee/FLAG876033c0a [2021-11-23 01:32:57,919 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:32:57,921 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/sv-benchmarks/c/eca-rers2012/Problem16_label56.c [2021-11-23 01:32:57,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/data/233c71d60/ac5f0bdf40b8472bad48c854a9fa72ee/FLAG876033c0a [2021-11-23 01:32:58,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/data/233c71d60/ac5f0bdf40b8472bad48c854a9fa72ee [2021-11-23 01:32:58,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:32:58,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:32:58,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:58,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:32:58,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:32:58,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:58" (1/1) ... [2021-11-23 01:32:58,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395e605c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:58, skipping insertion in model container [2021-11-23 01:32:58,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:58" (1/1) ... [2021-11-23 01:32:58,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:32:58,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:32:58,445 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_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/sv-benchmarks/c/eca-rers2012/Problem16_label56.c[3626,3639] [2021-11-23 01:32:58,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:58,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:32:58,990 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_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/sv-benchmarks/c/eca-rers2012/Problem16_label56.c[3626,3639] [2021-11-23 01:32:59,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:59,294 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:32:59,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59 WrapperNode [2021-11-23 01:32:59,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:59,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:59,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:32:59,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:32:59,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,496 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-11-23 01:32:59,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:59,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:32:59,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:32:59,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:32:59,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:32:59,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:32:59,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:32:59,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:32:59,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:59" (1/1) ... [2021-11-23 01:32:59,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:59,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:32:59,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:32:59,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:32:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:32:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:32:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:32:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:32:59,754 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:32:59,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:33:02,016 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:33:12,971 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:33:12,971 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:33:12,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:12 BoogieIcfgContainer [2021-11-23 01:33:12,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:33:12,974 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:33:12,975 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:33:12,990 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:33:12,990 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:12" (1/1) ... [2021-11-23 01:33:13,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:33:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:33:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:33:13,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:33:13,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:13,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:33:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:33:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:33:13,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:13,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:15,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:33:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:33:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:15,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:15,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2021-11-23 01:33:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2021-11-23 01:33:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:19,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:19,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2021-11-23 01:33:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2021-11-23 01:33:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:33:21,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:21,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:33:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2021-11-23 01:33:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2021-11-23 01:33:25,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:33:25,973 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-11-23 01:33:25,984 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:33:26,218 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 01:33:26,229 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 01:33:26,232 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:33:26,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:33:26 ImpRootNode [2021-11-23 01:33:26,232 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:33:26,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:33:26,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:33:26,235 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:33:26,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:12" (3/4) ... [2021-11-23 01:33:26,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:33:26,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 375 nodes and edges [2021-11-23 01:33:26,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-23 01:33:26,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 01:33:26,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:33:26,614 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:33:26,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:33:26,615 INFO L158 Benchmark]: Toolchain (without parser) took 28520.02ms. Allocated memory was 83.9MB in the beginning and 9.3GB in the end (delta: 9.2GB). Free memory was 43.7MB in the beginning and 8.2GB in the end (delta: -8.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2021-11-23 01:33:26,616 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.5MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:33:26,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1196.69ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 43.5MB in the beginning and 53.7MB in the end (delta: -10.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 01:33:26,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.69ms. Allocated memory is still 100.7MB. Free memory was 53.2MB in the beginning and 57.8MB in the end (delta: -4.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-11-23 01:33:26,618 INFO L158 Benchmark]: Boogie Preprocessor took 114.44ms. Allocated memory is still 100.7MB. Free memory was 57.8MB in the beginning and 45.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:33:26,618 INFO L158 Benchmark]: RCFGBuilder took 13361.65ms. Allocated memory was 100.7MB in the beginning and 9.3GB in the end (delta: 9.2GB). Free memory was 45.0MB in the beginning and 8.9GB in the end (delta: -8.8GB). Peak memory consumption was 712.3MB. Max. memory is 16.1GB. [2021-11-23 01:33:26,619 INFO L158 Benchmark]: CodeCheck took 13258.45ms. Allocated memory is still 9.3GB. Free memory was 8.9GB in the beginning and 8.3GB in the end (delta: 586.2MB). Peak memory consumption was 586.2MB. Max. memory is 16.1GB. [2021-11-23 01:33:26,619 INFO L158 Benchmark]: Witness Printer took 380.62ms. Allocated memory is still 9.3GB. Free memory was 8.3GB in the beginning and 8.2GB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 01:33:26,622 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: 12.9s, OverallIterations: 6, 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, 142 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 328 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 59 mSDtfsCounter, 328 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 501 GetRequests, 453 SyntacticMatches, 8 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 116]: 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: 33]: Loop Invariant Derived loop invariant: ((((9 < a12 || !(a16 == 10)) || 0 <= a18 + 78) || a18 + 156 <= 0) || !(a15 == 3)) || a12 <= 8 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((9 < a12 || a16 <= 9) || 0 <= a18 + 78) || a18 + 156 <= 0) || !(a15 == 3)) || a12 <= 8) || 11 <= a16 - 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 0.19ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.5MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1196.69ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 43.5MB in the beginning and 53.7MB in the end (delta: -10.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.69ms. Allocated memory is still 100.7MB. Free memory was 53.2MB in the beginning and 57.8MB in the end (delta: -4.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.44ms. Allocated memory is still 100.7MB. Free memory was 57.8MB in the beginning and 45.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 13361.65ms. Allocated memory was 100.7MB in the beginning and 9.3GB in the end (delta: 9.2GB). Free memory was 45.0MB in the beginning and 8.9GB in the end (delta: -8.8GB). Peak memory consumption was 712.3MB. Max. memory is 16.1GB. * CodeCheck took 13258.45ms. Allocated memory is still 9.3GB. Free memory was 8.9GB in the beginning and 8.3GB in the end (delta: 586.2MB). Peak memory consumption was 586.2MB. Max. memory is 16.1GB. * Witness Printer took 380.62ms. Allocated memory is still 9.3GB. Free memory was 8.3GB in the beginning and 8.2GB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:33:26,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca0f7da-4840-4ac8-82ad-4f8ce4fa9b0d/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