./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/nested-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/nested-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN --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 3baf312ca85439572472b3c02ed304b3157fa97373d6ada535e5a723c6c0219a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:05:16,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:05:16,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:05:16,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:05:16,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:05:16,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:05:16,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:05:16,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:05:16,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:05:16,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:05:16,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:05:16,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:05:16,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:05:16,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:05:16,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:05:16,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:05:16,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:05:16,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:05:16,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:05:16,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:05:16,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:05:16,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:05:16,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:05:16,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:05:16,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:05:16,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:05:16,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:05:16,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:05:16,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:05:16,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:05:16,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:05:16,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:05:16,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:05:16,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:05:16,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:05:16,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:05:16,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:05:16,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:05:16,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:05:16,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:05:16,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:05:16,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:05:17,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:05:17,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:05:17,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:05:17,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:05:17,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:05:17,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:05:17,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:05:17,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:05:17,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:05:17,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:05:17,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:05:17,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:05:17,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:05:17,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:05:17,050 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:05:17,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:05:17,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:05:17,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:05:17,051 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:05:17,051 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:05:17,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:05:17,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:05:17,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:05:17,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:05:17,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:05:17,052 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:05:17,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:05:17,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:05:17,053 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_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3baf312ca85439572472b3c02ed304b3157fa97373d6ada535e5a723c6c0219a [2021-11-21 06:05:17,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:05:17,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:05:17,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:05:17,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:05:17,437 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:05:17,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-new/nested-1.i [2021-11-21 06:05:17,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/data/709a86cde/fe1599c48cb545a2864bca8632f706bf/FLAGa05da4db9 [2021-11-21 06:05:18,015 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:05:18,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/sv-benchmarks/c/loop-new/nested-1.i [2021-11-21 06:05:18,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/data/709a86cde/fe1599c48cb545a2864bca8632f706bf/FLAGa05da4db9 [2021-11-21 06:05:18,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/data/709a86cde/fe1599c48cb545a2864bca8632f706bf [2021-11-21 06:05:18,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:05:18,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:05:18,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:05:18,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:05:18,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:05:18,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3347ad89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18, skipping insertion in model container [2021-11-21 06:05:18,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:05:18,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:05:18,676 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_588c459d-df9d-4c06-8344-13a423d960c5/sv-benchmarks/c/loop-new/nested-1.i[891,904] [2021-11-21 06:05:18,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:05:18,702 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:05:18,719 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_588c459d-df9d-4c06-8344-13a423d960c5/sv-benchmarks/c/loop-new/nested-1.i[891,904] [2021-11-21 06:05:18,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:05:18,754 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:05:18,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18 WrapperNode [2021-11-21 06:05:18,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:05:18,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:05:18,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:05:18,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:05:18,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,811 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2021-11-21 06:05:18,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:05:18,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:05:18,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:05:18,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:05:18,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:05:18,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:05:18,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:05:18,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:05:18,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:05:18" (1/1) ... [2021-11-21 06:05:18,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:05:18,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:05:18,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:05:18,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:05:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:05:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:05:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:05:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:05:19,067 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:05:19,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:05:19,193 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:05:19,231 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:05:19,231 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 06:05:19,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:05:19 BoogieIcfgContainer [2021-11-21 06:05:19,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:05:19,235 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:05:19,235 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:05:19,249 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:05:19,249 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:05:19" (1/1) ... [2021-11-21 06:05:19,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:05:19,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-21 06:05:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-21 06:05:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:05:19,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:19,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:19,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-21 06:05:19,630 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-21 06:05:19,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:05:19,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:19,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:19,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-21 06:05:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-21 06:05:19,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:05:19,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:19,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:20,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2021-11-21 06:05:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2021-11-21 06:05:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:05:20,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:20,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 16 states and 28 transitions. [2021-11-21 06:05:20,290 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2021-11-21 06:05:20,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:05:20,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:20,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2021-11-21 06:05:20,532 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2021-11-21 06:05:20,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:05:20,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:20,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:20,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2021-11-21 06:05:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2021-11-21 06:05:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:05:20,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:20,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2021-11-21 06:05:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2021-11-21 06:05:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:05:20,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:20,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2021-11-21 06:05:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2021-11-21 06:05:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:05:21,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:21,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 21 states and 43 transitions. [2021-11-21 06:05:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 43 transitions. [2021-11-21 06:05:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:05:21,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:21,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:21,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 22 states and 46 transitions. [2021-11-21 06:05:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 46 transitions. [2021-11-21 06:05:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:05:21,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:21,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2021-11-21 06:05:21,901 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2021-11-21 06:05:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:05:21,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:21,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 06:05:23,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 35 states and 73 transitions. [2021-11-21 06:05:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 73 transitions. [2021-11-21 06:05:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:05:23,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:23,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-21 06:05:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-21 06:05:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-21 06:05:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:05:26,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:26,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-21 06:05:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2021-11-21 06:05:28,837 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2021-11-21 06:05:28,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:05:28,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:28,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-11-21 06:05:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2021-11-21 06:05:31,269 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2021-11-21 06:05:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:05:31,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:31,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-21 06:05:34,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:34,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2021-11-21 06:05:34,363 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2021-11-21 06:05:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 06:05:34,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:34,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2021-11-21 06:05:37,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:37,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2021-11-21 06:05:37,680 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2021-11-21 06:05:37,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 06:05:37,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:37,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-21 06:05:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 104 transitions. [2021-11-21 06:05:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2021-11-21 06:05:41,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 06:05:41,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:41,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 956 trivial. 0 not checked. [2021-11-21 06:05:45,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:45,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2021-11-21 06:05:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2021-11-21 06:05:45,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 06:05:45,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:45,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-21 06:05:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 82 states and 118 transitions. [2021-11-21 06:05:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2021-11-21 06:05:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 06:05:49,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:49,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2021-11-21 06:05:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2021-11-21 06:05:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2021-11-21 06:05:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 06:05:54,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:54,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-21 06:05:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 94 states and 132 transitions. [2021-11-21 06:05:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-11-21 06:05:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 06:05:59,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:59,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2239 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 2166 trivial. 0 not checked. [2021-11-21 06:06:05,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:05,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2021-11-21 06:06:05,250 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-11-21 06:06:05,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 06:06:05,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:05,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-21 06:06:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 106 states and 146 transitions. [2021-11-21 06:06:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2021-11-21 06:06:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 06:06:11,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:11,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 2954 trivial. 0 not checked. [2021-11-21 06:06:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 106 states and 136 transitions. [2021-11-21 06:06:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 136 transitions. [2021-11-21 06:06:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-21 06:06:17,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:17,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3864 backedges. 0 proven. 3424 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2021-11-21 06:06:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 118 states and 160 transitions. [2021-11-21 06:06:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 160 transitions. [2021-11-21 06:06:24,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 06:06:24,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:24,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 3864 trivial. 0 not checked. [2021-11-21 06:06:31,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 118 states and 150 transitions. [2021-11-21 06:06:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2021-11-21 06:06:31,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 06:06:31,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:31,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-11-21 06:06:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:39,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 130 states and 163 transitions. [2021-11-21 06:06:39,654 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 163 transitions. [2021-11-21 06:06:39,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 06:06:39,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:39,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:39,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5005 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 4896 trivial. 0 not checked. [2021-11-21 06:06:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 130 states and 153 transitions. [2021-11-21 06:06:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2021-11-21 06:06:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-21 06:06:47,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:47,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 6041 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 06:11:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:11:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 128 states and 151 transitions. [2021-11-21 06:11:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2021-11-21 06:11:05,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 06:11:05,591 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2021-11-21 06:11:05,601 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-21 06:11:08,881 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 06:11:08,886 INFO L560 CodeCheckObserver]: Invariant with dag size 357 [2021-11-21 06:11:08,942 INFO L560 CodeCheckObserver]: Invariant with dag size 69 [2021-11-21 06:11:08,944 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 06:11:08,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:11:08 ImpRootNode [2021-11-21 06:11:08,945 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:11:08,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:11:08,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:11:08,947 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:11:08,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:05:19" (3/4) ... [2021-11-21 06:11:08,951 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 06:11:08,962 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-21 06:11:08,963 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-21 06:11:08,963 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 06:11:08,963 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 06:11:09,020 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:11:09,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:11:09,022 INFO L158 Benchmark]: Toolchain (without parser) took 350632.30ms. Allocated memory was 88.1MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 47.4MB in the beginning and 2.8GB in the end (delta: -2.8GB). Peak memory consumption was 456.9MB. Max. memory is 16.1GB. [2021-11-21 06:11:09,022 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:11:09,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.17ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 63.1MB in the end (delta: -15.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 06:11:09,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.79ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 61.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:11:09,024 INFO L158 Benchmark]: Boogie Preprocessor took 51.03ms. Allocated memory is still 88.1MB. Free memory was 61.7MB in the beginning and 60.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:11:09,025 INFO L158 Benchmark]: RCFGBuilder took 369.30ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 50.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:11:09,026 INFO L158 Benchmark]: CodeCheck took 349710.29ms. Allocated memory was 88.1MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 50.6MB in the beginning and 2.8GB in the end (delta: -2.8GB). Peak memory consumption was 748.4MB. Max. memory is 16.1GB. [2021-11-21 06:11:09,026 INFO L158 Benchmark]: Witness Printer took 74.96ms. Allocated memory is still 3.3GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:11:09,029 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 346.3s, OverallIterations: 31, 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, 3722 SdHoareTripleChecker+Valid, 31.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3280 mSDsluCounter, 274 SdHoareTripleChecker+Invalid, 26.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7805 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19261 IncrementalHoareTripleChecker+Invalid, 27066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7805 mSolverCounterUnsat, 274 mSDtfsCounter, 19261 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12817 GetRequests, 10286 SyntacticMatches, 963 SemanticMatches, 1568 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173807 ImplicationChecksByTransitivity, 338.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 53.6s InterpolantComputationTime, 1463 NumberOfCodeBlocks, 1463 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1433 ConstructedInterpolants, 0 QuantifiedInterpolants, 5532 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 12 PerfectInterpolantSequences, 26244/41094 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: 19]: 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: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((6 + j <= m && i == 0) && 4 <= k) && 10 <= n) && 10 <= m) || ((93 <= k && 7 + j <= m) && n < 2 + i)) || ((95 <= k && n < 2 + i) && 5 + j <= m)) || (((6 + i <= n && 10 <= m) && j == 0) && 40 <= k)) || (((76 <= k && j + 4 <= m) && 3 + i <= n) && 10 <= m)) || (((9 + i <= n && j + 8 <= m) && 12 <= k) && 10 <= m)) || (((3 + i <= n && 70 <= k) && 10 <= m) && j == 0)) || ((3 + j <= m && n < 2 + i) && 97 <= k)) || (((3 + j <= m && 57 <= k) && 10 <= m) && 5 + i <= n)) || (((j + 4 <= m && 26 <= k) && i + 8 <= n) && 10 <= m)) || (((25 <= k && 5 + j <= m) && i + 8 <= n) && 10 <= m)) || (((15 <= k && 9 + i <= n) && 5 + j <= m) && 10 <= m)) || (((55 <= k && 5 + j <= m) && 10 <= m) && 5 + i <= n)) || (((7 + i <= n && 2 + j <= m) && 10 <= m) && 38 <= k)) || (((51 <= k && 9 + j <= m) && 10 <= m) && 5 + i <= n)) || ((((i == 0 && 2 <= k) && 10 <= n) && j + 8 <= m) && 10 <= m)) || (((3 + i <= n && j + 8 <= m) && 72 <= k) && 10 <= m)) || (((j + 1 <= m && 69 <= k) && i + 4 <= n) && 10 <= m)) || ((((i == 0 && j + 1 <= m) && 10 <= n) && 9 <= k) && 10 <= m)) || (((78 <= k && 3 + i <= n) && 2 + j <= m) && 10 <= m)) || (((6 + j <= m && 64 <= k) && i + 4 <= n) && 10 <= m)) || (((2 + i <= n && 81 <= k) && 9 + j <= m) && 10 <= m)) || (((j + 4 <= m && 46 <= k) && 6 + i <= n) && 10 <= m)) || (((9 + i <= n && 10 <= k) && 10 <= m) && j == 0)) || (((6 + j <= m && 2 + i <= n) && 84 <= k) && 10 <= m)) || (((6 + j <= m && 7 + i <= n) && 34 <= k) && 10 <= m)) || (((j + 1 <= m && 3 + i <= n) && 10 <= m) && 79 <= k)) || (((7 + j <= m && i + 8 <= n) && 10 <= m) && 23 <= k)) || (((9 + i <= n && 18 <= k) && 2 + j <= m) && 10 <= m)) || (((31 <= k && 7 + i <= n) && 9 + j <= m) && 10 <= m)) || (((j + 8 <= m && i + 4 <= n) && 10 <= m) && 62 <= k)) || ((((i == 0 && 10 <= n) && 7 + j <= m) && 10 <= m) && 3 <= k)) || ((j + 4 <= m && n < 2 + i) && 96 <= k)) || ((3 + i <= n && 80 <= k) && 10 <= m)) || (((j + 1 <= m && 6 + i <= n) && 10 <= m) && 49 <= k)) || ((((i == 0 && 10 <= n) && 5 + j <= m) && 5 <= k) && 10 <= m)) || (((71 <= k && 3 + i <= n) && 9 + j <= m) && 10 <= m)) || ((30 <= k && i + 8 <= n) && 10 <= m)) || (((6 + j <= m && 9 + i <= n) && 10 <= m) && 14 <= k)) || (((j + 4 <= m && 7 + i <= n) && 36 <= k) && 10 <= m)) || ((j + 1 <= m && 99 <= k) && n < 2 + i)) || ((98 <= k && n < 2 + i) && 2 + j <= m)) || (((i == 0 && 10 <= n) && 10 <= k) && 10 <= m)) || (((i + 8 <= n && 9 + j <= m) && 10 <= m) && 21 <= k)) || (((61 <= k && i + 4 <= n) && 9 + j <= m) && 10 <= m)) || ((((j + 4 <= m && i == 0) && 10 <= n) && 6 <= k) && 10 <= m)) || (((7 + j <= m && 10 <= m) && 5 + i <= n) && 53 <= k)) || (((3 + j <= m && i + 8 <= n) && 10 <= m) && 27 <= k)) || (((j + 8 <= m && 10 <= m) && 5 + i <= n) && 52 <= k)) || (((58 <= k && 2 + j <= m) && 10 <= m) && 5 + i <= n)) || (((3 + i <= n && 5 + j <= m) && 75 <= k) && 10 <= m)) || (((2 + i <= n && 5 + j <= m) && 10 <= m) && 85 <= k)) || (((3 + i <= n && 7 + j <= m) && 10 <= m) && 73 <= k)) || (((45 <= k && 6 + i <= n) && 5 + j <= m) && 10 <= m)) || ((((i == 0 && 10 <= n) && 2 + j <= m) && 10 <= m) && 8 <= k)) || (((7 + j <= m && 9 + i <= n) && 13 <= k) && 10 <= m)) || ((70 <= k && i + 4 <= n) && 10 <= m)) || ((6 + i <= n && 10 <= m) && 50 <= k)) || ((n < 2 + i && 91 <= k) && 9 + j <= m)) || (((20 <= k && i + 8 <= n) && 10 <= m) && j == 0)) || (((7 + i <= n && j + 8 <= m) && 10 <= m) && 32 <= k)) || (((65 <= k && 5 + j <= m) && i + 4 <= n) && 10 <= m)) || (((42 <= k && j + 8 <= m) && 6 + i <= n) && 10 <= m)) || ((20 <= k && 9 + i <= n) && 10 <= m)) || (((j + 4 <= m && 9 + i <= n) && 10 <= m) && 16 <= k)) || (((41 <= k && 6 + i <= n) && 9 + j <= m) && 10 <= m)) || (((10 <= m && 5 + i <= n) && j == 0) && 50 <= k)) || (((3 + j <= m && 17 <= k) && 9 + i <= n) && 10 <= m)) || (((j + 1 <= m && 2 + i <= n) && 10 <= m) && 89 <= k)) || (((7 + i <= n && 7 + j <= m) && 10 <= m) && 33 <= k)) || (n < 2 + i && 100 <= k)) || (((2 + i <= n && 82 <= k) && j + 8 <= m) && 10 <= m)) || ((6 + j <= m && n < 2 + i) && 94 <= k)) || (((j + 1 <= m && 7 + i <= n) && 10 <= m) && 39 <= k)) || ((j + 8 <= m && n < 2 + i) && 92 <= k)) || (((6 + j <= m && 54 <= k) && 10 <= m) && 5 + i <= n)) || (((60 <= k && i + 4 <= n) && 10 <= m) && j == 0)) || ((60 <= k && 10 <= m) && 5 + i <= n)) || (((i + 4 <= n && 2 + j <= m) && 10 <= m) && 68 <= k)) || (((6 + j <= m && 3 + i <= n) && 10 <= m) && 74 <= k)) || ((2 + i <= n && 90 <= k) && 10 <= m)) || ((((0 <= k && i == 0) && 10 <= n) && 10 <= m) && j == 0)) || (((3 + j <= m && 6 + i <= n) && 10 <= m) && 47 <= k)) || ((((i == 0 && 10 <= n) && 9 + j <= m) && 10 <= m) && 1 <= k)) || (((22 <= k && j + 8 <= m) && i + 8 <= n) && 10 <= m)) || (((j + 1 <= m && i + 8 <= n) && 10 <= m) && 29 <= k)) || (((83 <= k && 2 + i <= n) && 7 + j <= m) && 10 <= m)) || ((7 + i <= n && 10 <= m) && 40 <= k)) || (((j + 1 <= m && 9 + i <= n) && 10 <= m) && 19 <= k)) || ((((3 + j <= m && i == 0) && 10 <= n) && 7 <= k) && 10 <= m)) || (((43 <= k && 7 + j <= m) && 6 + i <= n) && 10 <= m)) || (((6 + i <= n && 48 <= k) && 2 + j <= m) && 10 <= m)) || (((j + 4 <= m && i + 4 <= n) && 10 <= m) && 66 <= k)) || (((j + 4 <= m && 86 <= k) && 2 + i <= n) && 10 <= m)) || (((63 <= k && 7 + j <= m) && i + 4 <= n) && 10 <= m)) || (((3 + j <= m && 3 + i <= n) && 10 <= m) && 77 <= k)) || (((3 + j <= m && 7 + i <= n) && 37 <= k) && 10 <= m)) || (((i + 8 <= n && 28 <= k) && 2 + j <= m) && 10 <= m)) || ((90 <= k && 10 <= m) && j == 0)) || (((7 + i <= n && 30 <= k) && 10 <= m) && j == 0)) || (((9 + i <= n && 9 + j <= m) && 10 <= m) && 11 <= k)) || (((2 + i <= n && 80 <= k) && 10 <= m) && j == 0)) || (((6 + j <= m && 6 + i <= n) && 44 <= k) && 10 <= m)) || (((j + 4 <= m && 56 <= k) && 10 <= m) && 5 + i <= n)) || (((3 + j <= m && 67 <= k) && i + 4 <= n) && 10 <= m)) || (((3 + j <= m && 2 + i <= n) && 87 <= k) && 10 <= m)) || (((j + 1 <= m && 59 <= k) && 10 <= m) && 5 + i <= n)) || (((88 <= k && 2 + i <= n) && 2 + j <= m) && 10 <= m)) || (((6 + j <= m && 24 <= k) && i + 8 <= n) && 10 <= m)) || (((7 + i <= n && 35 <= k) && 5 + j <= m) && 10 <= m) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((((((((2 + i <= n && 80 <= k) && 10 <= m) || ((90 <= k && i + 1 <= n) && 10 <= m)) || ((3 + i <= n && 70 <= k) && 10 <= m)) || ((10 <= m && 5 + i <= n) && 50 <= k)) || ((20 <= k && i + 8 <= n) && 10 <= m)) || (n < i + 1 && 100 <= k)) || ((6 + i <= n && 10 <= m) && 40 <= k)) || ((7 + i <= n && 30 <= k) && 10 <= m)) || ((9 + i <= n && 10 <= k) && 10 <= m)) || ((60 <= k && i + 4 <= n) && 10 <= m)) || (((0 <= k && i == 0) && 10 <= n) && 10 <= m) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.17ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 63.1MB in the end (delta: -15.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.79ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 61.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.03ms. Allocated memory is still 88.1MB. Free memory was 61.7MB in the beginning and 60.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.30ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 50.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 349710.29ms. Allocated memory was 88.1MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 50.6MB in the beginning and 2.8GB in the end (delta: -2.8GB). Peak memory consumption was 748.4MB. Max. memory is 16.1GB. * Witness Printer took 74.96ms. Allocated memory is still 3.3GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 06:11:09,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588c459d-df9d-4c06-8344-13a423d960c5/bin/ukojak-vF6T2TMglN/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