./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label07.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_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/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_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/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_3b764e32-48d9-448f-acf0-3f8a20a03bc2/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 1604fff8c37e815a1951aa4b9b7ab6405ba084cc13d6cad3477e1ac67980b1be --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:37:51,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:37:51,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:37:51,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:37:51,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:37:51,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:37:51,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:37:51,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:37:51,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:37:51,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:37:51,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:37:51,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:37:51,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:37:51,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:37:51,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:37:51,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:37:51,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:37:51,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:37:51,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:37:51,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:37:51,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:37:51,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:37:51,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:37:51,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:37:51,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:37:51,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:37:51,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:37:51,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:37:51,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:37:51,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:37:51,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:37:51,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:37:51,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:37:51,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:37:51,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:37:51,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:37:51,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:37:51,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:37:51,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:37:51,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:37:51,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:37:51,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:37:51,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:37:51,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:37:51,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:37:51,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:37:51,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:37:51,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:37:51,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:37:51,844 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:37:51,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:37:51,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:37:51,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:37:51,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:37:51,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:37:51,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:37:51,846 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:37:51,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:37:51,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:37:51,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:37:51,847 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:37:51,847 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:37:51,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:37:51,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:51,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:37:51,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:37:51,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:37:51,849 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:37:51,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:37:51,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:37:51,849 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_3b764e32-48d9-448f-acf0-3f8a20a03bc2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1604fff8c37e815a1951aa4b9b7ab6405ba084cc13d6cad3477e1ac67980b1be [2021-11-23 01:37:52,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:37:52,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:37:52,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:37:52,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:37:52,147 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:37:52,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2021-11-23 01:37:52,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/data/668898bd2/baff47a4a1aa4a109796576bc9dae8bb/FLAGeaee3ab6f [2021-11-23 01:37:52,821 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:37:52,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2021-11-23 01:37:52,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/data/668898bd2/baff47a4a1aa4a109796576bc9dae8bb/FLAGeaee3ab6f [2021-11-23 01:37:53,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/data/668898bd2/baff47a4a1aa4a109796576bc9dae8bb [2021-11-23 01:37:53,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:37:53,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:37:53,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:53,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:37:53,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:37:53,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9bf26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53, skipping insertion in model container [2021-11-23 01:37:53,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:37:53,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:37:53,372 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_3b764e32-48d9-448f-acf0-3f8a20a03bc2/sv-benchmarks/c/eca-rers2012/Problem10_label07.c[5227,5240] [2021-11-23 01:37:53,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:53,582 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:37:53,621 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_3b764e32-48d9-448f-acf0-3f8a20a03bc2/sv-benchmarks/c/eca-rers2012/Problem10_label07.c[5227,5240] [2021-11-23 01:37:53,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:53,745 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:37:53,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53 WrapperNode [2021-11-23 01:37:53,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:53,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:53,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:37:53,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:37:53,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,846 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-11-23 01:37:53,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:53,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:37:53,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:37:53,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:37:53,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:37:53,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:37:53,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:37:53,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:37:53,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:53" (1/1) ... [2021-11-23 01:37:53,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:53,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:37:53,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:37:54,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:37:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:37:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:37:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:37:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:37:54,139 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:37:54,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:37:55,542 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:37:57,651 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:37:57,652 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:37:57,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:57 BoogieIcfgContainer [2021-11-23 01:37:57,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:37:57,657 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:37:57,657 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:37:57,671 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:37:57,671 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:57" (1/1) ... [2021-11-23 01:37:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:37:57,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:37:57,797 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:37:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:37:57,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:57,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:58,192 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 01:37:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:37:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:37:58,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:37:58,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:58,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:58,899 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 01:37:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:59,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:37:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:37:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:37:59,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:59,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,258 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 01:38:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2021-11-23 01:38:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2021-11-23 01:38:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:38:01,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:01,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:02,008 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 01:38:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2021-11-23 01:38:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2021-11-23 01:38:02,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:38:02,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:38:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2021-11-23 01:38:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2021-11-23 01:38:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:38:04,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:04,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:38:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2021-11-23 01:38:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2021-11-23 01:38:05,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:38:05,108 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-11-23 01:38:05,117 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:38:05,407 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-23 01:38:05,418 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2021-11-23 01:38:05,420 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:05,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:38:05 ImpRootNode [2021-11-23 01:38:05,421 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:38:05,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:38:05,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:38:05,422 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:38:05,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:57" (3/4) ... [2021-11-23 01:38:05,425 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:38:05,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2021-11-23 01:38:05,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-23 01:38:05,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:38:05,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:38:05,607 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:38:05,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:38:05,608 INFO L158 Benchmark]: Toolchain (without parser) took 12539.21ms. Allocated memory was 98.6MB in the beginning and 436.2MB in the end (delta: 337.6MB). Free memory was 58.6MB in the beginning and 149.9MB in the end (delta: -91.3MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. [2021-11-23 01:38:05,609 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 77.8MB in the beginning and 77.6MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:38:05,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.12ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 58.2MB in the end (delta: 199.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:38:05,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.15ms. Allocated memory is still 98.6MB. Free memory was 58.2MB in the beginning and 50.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:38:05,610 INFO L158 Benchmark]: Boogie Preprocessor took 81.85ms. Allocated memory is still 98.6MB. Free memory was 50.2MB in the beginning and 45.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:38:05,610 INFO L158 Benchmark]: RCFGBuilder took 3725.74ms. Allocated memory was 98.6MB in the beginning and 218.1MB in the end (delta: 119.5MB). Free memory was 45.3MB in the beginning and 78.9MB in the end (delta: -33.6MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2021-11-23 01:38:05,611 INFO L158 Benchmark]: CodeCheck took 7763.56ms. Allocated memory was 218.1MB in the beginning and 436.2MB in the end (delta: 218.1MB). Free memory was 78.9MB in the beginning and 165.7MB in the end (delta: -86.8MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. [2021-11-23 01:38:05,611 INFO L158 Benchmark]: Witness Printer took 186.41ms. Allocated memory is still 436.2MB. Free memory was 165.7MB in the beginning and 149.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:38:05,615 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: 7.4s, OverallIterations: 7, 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, 212 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 182 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 531 IncrementalHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 86 mSDtfsCounter, 531 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 716 GetRequests, 623 SyntacticMatches, 27 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1925 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 36/65 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: 149]: 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: 592]: Loop Invariant Derived loop invariant: (((a19 <= 5 || !(a10 == 2)) && 14 == a4) && a12 == 0) || ((7 <= a19 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((!(a19 == 6) || !(a10 == 2)) || 38 < a1) && 14 == a4) && a12 == 0) && ((!(a19 == 6) || 218 < a1) || !(a10 == 4)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 77.8MB in the beginning and 77.6MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.12ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 58.2MB in the end (delta: 199.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.15ms. Allocated memory is still 98.6MB. Free memory was 58.2MB in the beginning and 50.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.85ms. Allocated memory is still 98.6MB. Free memory was 50.2MB in the beginning and 45.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3725.74ms. Allocated memory was 98.6MB in the beginning and 218.1MB in the end (delta: 119.5MB). Free memory was 45.3MB in the beginning and 78.9MB in the end (delta: -33.6MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * CodeCheck took 7763.56ms. Allocated memory was 218.1MB in the beginning and 436.2MB in the end (delta: 218.1MB). Free memory was 78.9MB in the beginning and 165.7MB in the end (delta: -86.8MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. * Witness Printer took 186.41ms. Allocated memory is still 436.2MB. Free memory was 165.7MB in the beginning and 149.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:38:05,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b764e32-48d9-448f-acf0-3f8a20a03bc2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE