./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5182ada4c25502e8c117aae65840c303a96073ec563a87f29fad662bee2286b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:14:34,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:14:34,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:14:34,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:14:34,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:14:34,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:14:34,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:14:34,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:14:34,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:14:34,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:14:34,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:14:34,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:14:34,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:14:34,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:14:34,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:14:34,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:14:34,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:14:34,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:14:34,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:14:34,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:14:34,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:14:34,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:14:34,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:14:34,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:14:34,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:14:34,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:14:34,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:14:34,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:14:34,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:14:34,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:14:34,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:14:34,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:14:34,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:14:34,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:14:34,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:14:34,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:14:34,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:14:34,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:14:34,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:14:34,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:14:34,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:14:34,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:14:34,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:14:34,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:14:34,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:14:34,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:14:35,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:14:35,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:14:35,005 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:14:35,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:14:35,006 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:14:35,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:14:35,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:14:35,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:14:35,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:14:35,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:14:35,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:14:35,008 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:14:35,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:14:35,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:14:35,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:14:35,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:14:35,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:14:35,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:14:35,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:35,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:14:35,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:14:35,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:14:35,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:14:35,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:14:35,017 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:14:35,017 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:14:35,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:14:35,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:14:35,017 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_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5182ada4c25502e8c117aae65840c303a96073ec563a87f29fad662bee2286b [2021-10-21 19:14:35,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:14:35,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:14:35,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:14:35,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:14:35,272 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:14:35,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-10-21 19:14:35,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/data/27438bfae/d4dc1e061fb3423782858d72b9dece09/FLAG145e5e71f [2021-10-21 19:14:35,919 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:14:35,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2021-10-21 19:14:35,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/data/27438bfae/d4dc1e061fb3423782858d72b9dece09/FLAG145e5e71f [2021-10-21 19:14:36,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/data/27438bfae/d4dc1e061fb3423782858d72b9dece09 [2021-10-21 19:14:36,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:14:36,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:14:36,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:36,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:14:36,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:14:36,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:36" (1/1) ... [2021-10-21 19:14:36,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6324ceac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:36, skipping insertion in model container [2021-10-21 19:14:36,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:36" (1/1) ... [2021-10-21 19:14:36,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:14:36,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:14:36,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-10-21 19:14:36,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-10-21 19:14:36,506 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-10-21 19:14:36,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-10-21 19:14:36,510 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-10-21 19:14:36,512 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-10-21 19:14:36,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-10-21 19:14:36,516 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-10-21 19:14:36,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-10-21 19:14:36,527 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-10-21 19:14:36,529 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-10-21 19:14:36,536 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-10-21 19:14:36,539 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-10-21 19:14:36,541 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-10-21 19:14:36,792 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-10-21 19:14:36,797 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-10-21 19:14:36,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:36,823 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:14:36,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2021-10-21 19:14:36,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2021-10-21 19:14:36,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2021-10-21 19:14:36,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2021-10-21 19:14:36,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2021-10-21 19:14:36,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2021-10-21 19:14:36,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2021-10-21 19:14:36,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2021-10-21 19:14:36,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2021-10-21 19:14:36,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2021-10-21 19:14:36,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2021-10-21 19:14:36,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2021-10-21 19:14:36,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2021-10-21 19:14:36,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2021-10-21 19:14:37,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2021-10-21 19:14:37,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2021-10-21 19:14:37,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:37,119 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:14:37,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37 WrapperNode [2021-10-21 19:14:37,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:37,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:37,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:14:37,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:14:37,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:37,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:14:37,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:14:37,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:14:37,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:14:37,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:14:37,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:14:37,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:14:37,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (1/1) ... [2021-10-21 19:14:37,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:37,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:37,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:37,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:14:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:14:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:14:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:14:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:14:38,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:14:38,932 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 19:14:38,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:38 BoogieIcfgContainer [2021-10-21 19:14:38,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:14:38,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:14:38,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:14:38,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:14:38,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:14:36" (1/3) ... [2021-10-21 19:14:38,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be510e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:38, skipping insertion in model container [2021-10-21 19:14:38,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:37" (2/3) ... [2021-10-21 19:14:38,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be510e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:38, skipping insertion in model container [2021-10-21 19:14:38,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:38" (3/3) ... [2021-10-21 19:14:38,946 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2021-10-21 19:14:38,955 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:14:38,956 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-10-21 19:14:39,011 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:14:39,017 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:14:39,018 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-10-21 19:14:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 304 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-21 19:14:39,046 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:39,047 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:39,048 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:39,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:39,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times [2021-10-21 19:14:39,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:39,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831080871] [2021-10-21 19:14:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:39,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:39,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:39,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831080871] [2021-10-21 19:14:39,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831080871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:39,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:39,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:39,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154157985] [2021-10-21 19:14:39,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:39,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:39,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:39,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:39,306 INFO L87 Difference]: Start difference. First operand has 304 states, 287 states have (on average 1.9686411149825784) internal successors, (565), 303 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:40,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:40,025 INFO L93 Difference]: Finished difference Result 315 states and 573 transitions. [2021-10-21 19:14:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:40,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-21 19:14:40,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:40,041 INFO L225 Difference]: With dead ends: 315 [2021-10-21 19:14:40,041 INFO L226 Difference]: Without dead ends: 298 [2021-10-21 19:14:40,044 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:40,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-10-21 19:14:40,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2021-10-21 19:14:40,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 283 states have (on average 1.4876325088339222) internal successors, (421), 297 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 421 transitions. [2021-10-21 19:14:40,133 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 421 transitions. Word has length 7 [2021-10-21 19:14:40,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:40,134 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 421 transitions. [2021-10-21 19:14:40,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 421 transitions. [2021-10-21 19:14:40,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-21 19:14:40,136 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:40,136 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:40,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:14:40,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:40,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:40,141 INFO L82 PathProgramCache]: Analyzing trace with hash 118401710, now seen corresponding path program 1 times [2021-10-21 19:14:40,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:40,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133609564] [2021-10-21 19:14:40,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:40,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:40,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:40,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133609564] [2021-10-21 19:14:40,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133609564] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:40,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:40,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:40,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513394323] [2021-10-21 19:14:40,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:40,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:40,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:40,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:40,281 INFO L87 Difference]: Start difference. First operand 298 states and 421 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:40,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:40,675 INFO L93 Difference]: Finished difference Result 305 states and 428 transitions. [2021-10-21 19:14:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:40,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-21 19:14:40,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:40,684 INFO L225 Difference]: With dead ends: 305 [2021-10-21 19:14:40,685 INFO L226 Difference]: Without dead ends: 300 [2021-10-21 19:14:40,686 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:40,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-10-21 19:14:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 293. [2021-10-21 19:14:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 279 states have (on average 1.2759856630824373) internal successors, (356), 292 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2021-10-21 19:14:40,732 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 8 [2021-10-21 19:14:40,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:40,733 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2021-10-21 19:14:40,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:40,733 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2021-10-21 19:14:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-21 19:14:40,733 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:40,734 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:40,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:14:40,734 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:40,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:40,735 INFO L82 PathProgramCache]: Analyzing trace with hash 137513629, now seen corresponding path program 1 times [2021-10-21 19:14:40,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:40,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842579891] [2021-10-21 19:14:40,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:40,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:40,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:40,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:40,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842579891] [2021-10-21 19:14:40,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842579891] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:40,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:40,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:40,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091378402] [2021-10-21 19:14:40,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:40,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:40,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:40,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:40,791 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:41,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:41,182 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2021-10-21 19:14:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:41,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-21 19:14:41,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:41,184 INFO L225 Difference]: With dead ends: 293 [2021-10-21 19:14:41,184 INFO L226 Difference]: Without dead ends: 291 [2021-10-21 19:14:41,185 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:41,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-21 19:14:41,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2021-10-21 19:14:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 278 states have (on average 1.2733812949640289) internal successors, (354), 290 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2021-10-21 19:14:41,193 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 8 [2021-10-21 19:14:41,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:41,193 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2021-10-21 19:14:41,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2021-10-21 19:14:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-21 19:14:41,194 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:41,194 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:41,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:14:41,195 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:41,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:41,195 INFO L82 PathProgramCache]: Analyzing trace with hash -32040723, now seen corresponding path program 1 times [2021-10-21 19:14:41,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:41,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983090461] [2021-10-21 19:14:41,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:41,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:41,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:41,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983090461] [2021-10-21 19:14:41,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983090461] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:41,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:41,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:41,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514998321] [2021-10-21 19:14:41,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:41,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:41,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:41,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:41,270 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:41,558 INFO L93 Difference]: Finished difference Result 296 states and 359 transitions. [2021-10-21 19:14:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:14:41,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-21 19:14:41,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:41,561 INFO L225 Difference]: With dead ends: 296 [2021-10-21 19:14:41,561 INFO L226 Difference]: Without dead ends: 294 [2021-10-21 19:14:41,562 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:41,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-21 19:14:41,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2021-10-21 19:14:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 281 states have (on average 1.2704626334519573) internal successors, (357), 293 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:41,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2021-10-21 19:14:41,572 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 9 [2021-10-21 19:14:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:41,572 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2021-10-21 19:14:41,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2021-10-21 19:14:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:14:41,573 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:41,573 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:41,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:14:41,574 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:41,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:41,575 INFO L82 PathProgramCache]: Analyzing trace with hash -726236111, now seen corresponding path program 1 times [2021-10-21 19:14:41,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:41,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371668687] [2021-10-21 19:14:41,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:41,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:41,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:41,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371668687] [2021-10-21 19:14:41,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371668687] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:41,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:41,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:41,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332052263] [2021-10-21 19:14:41,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:41,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:41,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:41,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:41,667 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:42,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:42,228 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2021-10-21 19:14:42,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:14:42,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 19:14:42,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:42,231 INFO L225 Difference]: With dead ends: 294 [2021-10-21 19:14:42,231 INFO L226 Difference]: Without dead ends: 292 [2021-10-21 19:14:42,232 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:42,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-21 19:14:42,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-10-21 19:14:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 280 states have (on average 1.2678571428571428) internal successors, (355), 291 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2021-10-21 19:14:42,239 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 11 [2021-10-21 19:14:42,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:42,240 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2021-10-21 19:14:42,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2021-10-21 19:14:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-21 19:14:42,241 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:42,241 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:42,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:14:42,242 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:42,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:42,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1038478869, now seen corresponding path program 1 times [2021-10-21 19:14:42,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:42,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651825051] [2021-10-21 19:14:42,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:42,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:42,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:42,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651825051] [2021-10-21 19:14:42,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651825051] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:42,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:42,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:42,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808360270] [2021-10-21 19:14:42,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:42,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:42,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:42,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:42,287 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:42,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:42,573 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2021-10-21 19:14:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:42,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-21 19:14:42,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:42,575 INFO L225 Difference]: With dead ends: 292 [2021-10-21 19:14:42,575 INFO L226 Difference]: Without dead ends: 288 [2021-10-21 19:14:42,576 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:42,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-10-21 19:14:42,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2021-10-21 19:14:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2021-10-21 19:14:42,590 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 12 [2021-10-21 19:14:42,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:42,590 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2021-10-21 19:14:42,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2021-10-21 19:14:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-21 19:14:42,591 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:42,591 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:42,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:14:42,592 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:42,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:42,592 INFO L82 PathProgramCache]: Analyzing trace with hash -242777879, now seen corresponding path program 1 times [2021-10-21 19:14:42,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:42,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234496302] [2021-10-21 19:14:42,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:42,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:42,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:42,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:42,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234496302] [2021-10-21 19:14:42,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234496302] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:42,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:42,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:42,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915287928] [2021-10-21 19:14:42,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:14:42,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:42,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:14:42,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:42,735 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:43,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:43,205 INFO L93 Difference]: Finished difference Result 316 states and 381 transitions. [2021-10-21 19:14:43,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:14:43,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-21 19:14:43,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:43,208 INFO L225 Difference]: With dead ends: 316 [2021-10-21 19:14:43,208 INFO L226 Difference]: Without dead ends: 314 [2021-10-21 19:14:43,209 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 32.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:14:43,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-10-21 19:14:43,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2021-10-21 19:14:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 277 states have (on average 1.2671480144404332) internal successors, (351), 287 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2021-10-21 19:14:43,217 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 13 [2021-10-21 19:14:43,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:43,217 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2021-10-21 19:14:43,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2021-10-21 19:14:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-21 19:14:43,218 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:43,218 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:43,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:14:43,219 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:43,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:43,219 INFO L82 PathProgramCache]: Analyzing trace with hash -2112927996, now seen corresponding path program 1 times [2021-10-21 19:14:43,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:43,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184222854] [2021-10-21 19:14:43,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:43,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:43,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:43,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184222854] [2021-10-21 19:14:43,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184222854] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:43,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:43,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:43,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221328747] [2021-10-21 19:14:43,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:43,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:43,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:43,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:43,274 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:43,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:43,787 INFO L93 Difference]: Finished difference Result 308 states and 373 transitions. [2021-10-21 19:14:43,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:14:43,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-21 19:14:43,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:43,790 INFO L225 Difference]: With dead ends: 308 [2021-10-21 19:14:43,790 INFO L226 Difference]: Without dead ends: 306 [2021-10-21 19:14:43,791 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:43,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-21 19:14:43,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2021-10-21 19:14:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 276 states have (on average 1.2644927536231885) internal successors, (349), 285 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2021-10-21 19:14:43,800 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 13 [2021-10-21 19:14:43,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:43,800 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2021-10-21 19:14:43,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2021-10-21 19:14:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-21 19:14:43,801 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:43,801 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:43,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:14:43,802 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:43,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:43,803 INFO L82 PathProgramCache]: Analyzing trace with hash -2111204092, now seen corresponding path program 1 times [2021-10-21 19:14:43,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:43,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995278899] [2021-10-21 19:14:43,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:43,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:43,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:43,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995278899] [2021-10-21 19:14:43,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995278899] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:43,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:43,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:43,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187808015] [2021-10-21 19:14:43,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:43,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:43,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:43,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:43,842 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:44,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:44,300 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2021-10-21 19:14:44,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:14:44,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-21 19:14:44,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:44,303 INFO L225 Difference]: With dead ends: 289 [2021-10-21 19:14:44,303 INFO L226 Difference]: Without dead ends: 287 [2021-10-21 19:14:44,304 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:44,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-10-21 19:14:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 284. [2021-10-21 19:14:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 275 states have (on average 1.2618181818181817) internal successors, (347), 283 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2021-10-21 19:14:44,311 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 13 [2021-10-21 19:14:44,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:44,313 INFO L470 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2021-10-21 19:14:44,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2021-10-21 19:14:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:14:44,315 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:44,316 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:44,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:14:44,316 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:44,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:44,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1076254322, now seen corresponding path program 1 times [2021-10-21 19:14:44,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:44,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495584114] [2021-10-21 19:14:44,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:44,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:44,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:44,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495584114] [2021-10-21 19:14:44,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495584114] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:44,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:44,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:44,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632928530] [2021-10-21 19:14:44,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:14:44,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:44,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:14:44,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:44,462 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:44,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:44,907 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2021-10-21 19:14:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:14:44,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-21 19:14:44,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:44,909 INFO L225 Difference]: With dead ends: 322 [2021-10-21 19:14:44,910 INFO L226 Difference]: Without dead ends: 320 [2021-10-21 19:14:44,910 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 26.5ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:44,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-10-21 19:14:44,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 292. [2021-10-21 19:14:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 283 states have (on average 1.2614840989399294) internal successors, (357), 291 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:44,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2021-10-21 19:14:44,920 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 14 [2021-10-21 19:14:44,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:44,920 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2021-10-21 19:14:44,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2021-10-21 19:14:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:14:44,922 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:44,922 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:44,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:14:44,928 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:44,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:44,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1074707177, now seen corresponding path program 1 times [2021-10-21 19:14:44,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:44,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324790036] [2021-10-21 19:14:44,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:44,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:44,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:44,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324790036] [2021-10-21 19:14:44,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324790036] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:44,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:44,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:14:44,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021382795] [2021-10-21 19:14:44,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:14:44,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:44,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:14:44,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:44,994 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:45,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:45,487 INFO L93 Difference]: Finished difference Result 312 states and 379 transitions. [2021-10-21 19:14:45,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:14:45,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-21 19:14:45,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:45,491 INFO L225 Difference]: With dead ends: 312 [2021-10-21 19:14:45,491 INFO L226 Difference]: Without dead ends: 310 [2021-10-21 19:14:45,492 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:45,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-10-21 19:14:45,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 290. [2021-10-21 19:14:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 282 states have (on average 1.2588652482269505) internal successors, (355), 289 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2021-10-21 19:14:45,501 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 14 [2021-10-21 19:14:45,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:45,501 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2021-10-21 19:14:45,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2021-10-21 19:14:45,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:14:45,502 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:45,502 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:45,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:14:45,502 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:45,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:45,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1022813242, now seen corresponding path program 1 times [2021-10-21 19:14:45,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:45,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457846558] [2021-10-21 19:14:45,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:45,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:45,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:45,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457846558] [2021-10-21 19:14:45,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457846558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:45,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:45,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:45,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456683469] [2021-10-21 19:14:45,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:14:45,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:45,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:14:45,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:45,588 INFO L87 Difference]: Start difference. First operand 290 states and 355 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:45,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:45,997 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2021-10-21 19:14:45,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:14:45,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-21 19:14:45,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:45,999 INFO L225 Difference]: With dead ends: 300 [2021-10-21 19:14:46,000 INFO L226 Difference]: Without dead ends: 296 [2021-10-21 19:14:46,000 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 31.9ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:46,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-10-21 19:14:46,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 291. [2021-10-21 19:14:46,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 283 states have (on average 1.2579505300353357) internal successors, (356), 290 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:46,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2021-10-21 19:14:46,012 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 14 [2021-10-21 19:14:46,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:46,012 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2021-10-21 19:14:46,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2021-10-21 19:14:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 19:14:46,013 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:46,013 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:46,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:14:46,014 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:46,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:46,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1043820030, now seen corresponding path program 1 times [2021-10-21 19:14:46,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:46,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745806390] [2021-10-21 19:14:46,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:46,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:46,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:46,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:46,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745806390] [2021-10-21 19:14:46,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745806390] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:46,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:46,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:46,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975793798] [2021-10-21 19:14:46,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:14:46,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:46,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:14:46,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:46,098 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:46,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:46,637 INFO L93 Difference]: Finished difference Result 317 states and 384 transitions. [2021-10-21 19:14:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:14:46,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-21 19:14:46,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:46,640 INFO L225 Difference]: With dead ends: 317 [2021-10-21 19:14:46,640 INFO L226 Difference]: Without dead ends: 315 [2021-10-21 19:14:46,641 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:46,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-10-21 19:14:46,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 294. [2021-10-21 19:14:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 286 states have (on average 1.2552447552447552) internal successors, (359), 293 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2021-10-21 19:14:46,651 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 15 [2021-10-21 19:14:46,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:46,651 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2021-10-21 19:14:46,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2021-10-21 19:14:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:14:46,652 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:46,652 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:46,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:14:46,653 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:46,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:46,653 INFO L82 PathProgramCache]: Analyzing trace with hash 806842801, now seen corresponding path program 1 times [2021-10-21 19:14:46,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:46,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704645124] [2021-10-21 19:14:46,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:46,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:46,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:46,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704645124] [2021-10-21 19:14:46,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704645124] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:46,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:46,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:46,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901248040] [2021-10-21 19:14:46,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:46,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:46,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:46,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:46,690 INFO L87 Difference]: Start difference. First operand 294 states and 359 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:46,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:46,855 INFO L93 Difference]: Finished difference Result 294 states and 359 transitions. [2021-10-21 19:14:46,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:46,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-21 19:14:46,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:46,862 INFO L225 Difference]: With dead ends: 294 [2021-10-21 19:14:46,863 INFO L226 Difference]: Without dead ends: 292 [2021-10-21 19:14:46,864 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:46,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-21 19:14:46,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-10-21 19:14:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 285 states have (on average 1.2526315789473683) internal successors, (357), 291 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2021-10-21 19:14:46,874 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 16 [2021-10-21 19:14:46,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:46,874 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2021-10-21 19:14:46,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2021-10-21 19:14:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:14:46,878 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:46,878 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:46,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:14:46,879 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:46,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:46,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1029635725, now seen corresponding path program 1 times [2021-10-21 19:14:46,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:46,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359965334] [2021-10-21 19:14:46,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:46,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:46,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:46,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359965334] [2021-10-21 19:14:46,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359965334] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:46,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:46,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:46,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375182252] [2021-10-21 19:14:46,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:14:46,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:46,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:14:46,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:46,956 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:47,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:47,459 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2021-10-21 19:14:47,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:14:47,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 19:14:47,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:47,460 INFO L225 Difference]: With dead ends: 292 [2021-10-21 19:14:47,461 INFO L226 Difference]: Without dead ends: 290 [2021-10-21 19:14:47,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:47,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-21 19:14:47,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2021-10-21 19:14:47,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.2526690391459074) internal successors, (352), 286 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2021-10-21 19:14:47,468 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 17 [2021-10-21 19:14:47,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:47,469 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2021-10-21 19:14:47,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2021-10-21 19:14:47,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:14:47,469 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:47,469 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:47,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:14:47,470 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:47,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:47,470 INFO L82 PathProgramCache]: Analyzing trace with hash -757672814, now seen corresponding path program 1 times [2021-10-21 19:14:47,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:47,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393428688] [2021-10-21 19:14:47,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:47,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:47,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:47,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393428688] [2021-10-21 19:14:47,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393428688] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:47,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:47,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:14:47,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032757791] [2021-10-21 19:14:47,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:47,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:47,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:47,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:47,509 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:47,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:47,762 INFO L93 Difference]: Finished difference Result 287 states and 352 transitions. [2021-10-21 19:14:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:47,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 19:14:47,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:47,764 INFO L225 Difference]: With dead ends: 287 [2021-10-21 19:14:47,764 INFO L226 Difference]: Without dead ends: 283 [2021-10-21 19:14:47,764 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:47,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-10-21 19:14:47,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2021-10-21 19:14:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 278 states have (on average 1.2517985611510791) internal successors, (348), 282 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:47,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 348 transitions. [2021-10-21 19:14:47,773 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 348 transitions. Word has length 17 [2021-10-21 19:14:47,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:47,773 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 348 transitions. [2021-10-21 19:14:47,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 348 transitions. [2021-10-21 19:14:47,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:14:47,774 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:47,774 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:47,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 19:14:47,775 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:47,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:47,775 INFO L82 PathProgramCache]: Analyzing trace with hash -476651758, now seen corresponding path program 1 times [2021-10-21 19:14:47,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:47,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74389353] [2021-10-21 19:14:47,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:47,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:47,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:47,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74389353] [2021-10-21 19:14:47,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74389353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:47,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:47,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:47,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146248977] [2021-10-21 19:14:47,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:14:47,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:47,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:14:47,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:47,832 INFO L87 Difference]: Start difference. First operand 283 states and 348 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:48,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:48,326 INFO L93 Difference]: Finished difference Result 297 states and 364 transitions. [2021-10-21 19:14:48,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:14:48,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-21 19:14:48,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:48,328 INFO L225 Difference]: With dead ends: 297 [2021-10-21 19:14:48,329 INFO L226 Difference]: Without dead ends: 295 [2021-10-21 19:14:48,329 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:48,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-21 19:14:48,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 279. [2021-10-21 19:14:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 275 states have (on average 1.250909090909091) internal successors, (344), 278 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 344 transitions. [2021-10-21 19:14:48,338 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 344 transitions. Word has length 18 [2021-10-21 19:14:48,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:48,338 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 344 transitions. [2021-10-21 19:14:48,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 344 transitions. [2021-10-21 19:14:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:14:48,339 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:48,339 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:48,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 19:14:48,339 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:48,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:48,340 INFO L82 PathProgramCache]: Analyzing trace with hash -423210678, now seen corresponding path program 1 times [2021-10-21 19:14:48,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:48,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152600177] [2021-10-21 19:14:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:48,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:48,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:48,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152600177] [2021-10-21 19:14:48,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152600177] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:48,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:48,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:48,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642043838] [2021-10-21 19:14:48,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:14:48,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:48,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:14:48,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:48,398 INFO L87 Difference]: Start difference. First operand 279 states and 344 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:48,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:48,856 INFO L93 Difference]: Finished difference Result 279 states and 344 transitions. [2021-10-21 19:14:48,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:14:48,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-21 19:14:48,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:48,858 INFO L225 Difference]: With dead ends: 279 [2021-10-21 19:14:48,858 INFO L226 Difference]: Without dead ends: 275 [2021-10-21 19:14:48,860 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:14:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-10-21 19:14:48,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2021-10-21 19:14:48,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 272 states have (on average 1.25) internal successors, (340), 274 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:48,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 340 transitions. [2021-10-21 19:14:48,869 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 340 transitions. Word has length 18 [2021-10-21 19:14:48,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:48,870 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 340 transitions. [2021-10-21 19:14:48,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 340 transitions. [2021-10-21 19:14:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:14:48,871 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:48,871 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:48,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 19:14:48,871 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:48,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:48,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1997901656, now seen corresponding path program 1 times [2021-10-21 19:14:48,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:48,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789066511] [2021-10-21 19:14:48,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:48,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:48,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:48,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789066511] [2021-10-21 19:14:48,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789066511] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:48,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:48,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:48,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215684246] [2021-10-21 19:14:48,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:14:48,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:48,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:14:48,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:14:48,924 INFO L87 Difference]: Start difference. First operand 275 states and 340 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:49,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:49,417 INFO L93 Difference]: Finished difference Result 284 states and 351 transitions. [2021-10-21 19:14:49,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:14:49,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-21 19:14:49,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:49,419 INFO L225 Difference]: With dead ends: 284 [2021-10-21 19:14:49,419 INFO L226 Difference]: Without dead ends: 250 [2021-10-21 19:14:49,420 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:49,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-10-21 19:14:49,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-10-21 19:14:49,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 248 states have (on average 1.0080645161290323) internal successors, (250), 249 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2021-10-21 19:14:49,426 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 18 [2021-10-21 19:14:49,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:49,426 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2021-10-21 19:14:49,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:49,427 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2021-10-21 19:14:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-21 19:14:49,433 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:49,434 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:49,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 19:14:49,435 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:49,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:49,435 INFO L82 PathProgramCache]: Analyzing trace with hash -707619029, now seen corresponding path program 1 times [2021-10-21 19:14:49,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:49,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787615613] [2021-10-21 19:14:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:49,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:51,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:51,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787615613] [2021-10-21 19:14:51,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787615613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:51,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:51,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-10-21 19:14:51,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049493835] [2021-10-21 19:14:51,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-10-21 19:14:51,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:51,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-10-21 19:14:51,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2021-10-21 19:14:51,264 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:52,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:52,136 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2021-10-21 19:14:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-21 19:14:52,137 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 244 [2021-10-21 19:14:52,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:52,139 INFO L225 Difference]: With dead ends: 251 [2021-10-21 19:14:52,139 INFO L226 Difference]: Without dead ends: 249 [2021-10-21 19:14:52,142 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1350.0ms TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2021-10-21 19:14:52,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-21 19:14:52,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 248. [2021-10-21 19:14:52,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.0040485829959513) internal successors, (248), 247 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2021-10-21 19:14:52,148 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 244 [2021-10-21 19:14:52,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:52,149 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2021-10-21 19:14:52,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 63 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:52,150 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2021-10-21 19:14:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-10-21 19:14:52,153 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:52,154 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:52,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 19:14:52,154 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-10-21 19:14:52,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:52,155 INFO L82 PathProgramCache]: Analyzing trace with hash -461348049, now seen corresponding path program 1 times [2021-10-21 19:14:52,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:52,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864184590] [2021-10-21 19:14:52,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:52,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:53,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:53,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864184590] [2021-10-21 19:14:53,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864184590] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:53,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:53,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:14:53,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719775006] [2021-10-21 19:14:53,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:14:53,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:53,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:14:53,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:53,118 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:53,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:53,528 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2021-10-21 19:14:53,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:14:53,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 245 [2021-10-21 19:14:53,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:53,529 INFO L225 Difference]: With dead ends: 250 [2021-10-21 19:14:53,529 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:14:53,531 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 31.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:53,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:14:53,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:14:53,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:14:53,531 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2021-10-21 19:14:53,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:53,532 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:53,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:53,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:14:53,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:14:53,534 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,535 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,535 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,535 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,535 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,535 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,537 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,537 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:53,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-21 19:14:53,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:14:53,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:53,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:53,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:53,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:53,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:53,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:53,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:53,776 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2021-10-21 19:14:53,776 INFO L857 garLoopResultBuilder]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2021-10-21 19:14:53,776 INFO L857 garLoopResultBuilder]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2021-10-21 19:14:53,776 INFO L857 garLoopResultBuilder]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2021-10-21 19:14:53,776 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 125) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2021-10-21 19:14:53,777 INFO L857 garLoopResultBuilder]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2021-10-21 19:14:53,778 INFO L857 garLoopResultBuilder]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2021-10-21 19:14:53,778 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2021-10-21 19:14:53,778 INFO L857 garLoopResultBuilder]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2021-10-21 19:14:53,778 INFO L857 garLoopResultBuilder]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2021-10-21 19:14:53,778 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 193) no Hoare annotation was computed. [2021-10-21 19:14:53,778 INFO L857 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-10-21 19:14:53,778 INFO L857 garLoopResultBuilder]: For program point L2616(line 2616) no Hoare annotation was computed. [2021-10-21 19:14:53,778 INFO L857 garLoopResultBuilder]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2021-10-21 19:14:53,778 INFO L857 garLoopResultBuilder]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2021-10-21 19:14:53,779 INFO L857 garLoopResultBuilder]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2021-10-21 19:14:53,779 INFO L857 garLoopResultBuilder]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2021-10-21 19:14:53,779 INFO L857 garLoopResultBuilder]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2021-10-21 19:14:53,779 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2021-10-21 19:14:53,779 INFO L860 garLoopResultBuilder]: At program point L2617(lines 16 3008) the Hoare annotation is: true [2021-10-21 19:14:53,779 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 19:14:53,779 INFO L857 garLoopResultBuilder]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2021-10-21 19:14:53,779 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2021-10-21 19:14:53,780 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2021-10-21 19:14:53,780 INFO L857 garLoopResultBuilder]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2021-10-21 19:14:53,780 INFO L857 garLoopResultBuilder]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2021-10-21 19:14:53,780 INFO L857 garLoopResultBuilder]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2021-10-21 19:14:53,780 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2021-10-21 19:14:53,781 INFO L857 garLoopResultBuilder]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2021-10-21 19:14:53,781 INFO L857 garLoopResultBuilder]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2021-10-21 19:14:53,781 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2021-10-21 19:14:53,781 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2021-10-21 19:14:53,781 INFO L857 garLoopResultBuilder]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2021-10-21 19:14:53,781 INFO L857 garLoopResultBuilder]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2021-10-21 19:14:53,781 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2021-10-21 19:14:53,781 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 55) no Hoare annotation was computed. [2021-10-21 19:14:53,782 INFO L857 garLoopResultBuilder]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2021-10-21 19:14:53,782 INFO L857 garLoopResultBuilder]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2021-10-21 19:14:53,782 INFO L857 garLoopResultBuilder]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2021-10-21 19:14:53,782 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2021-10-21 19:14:53,782 INFO L857 garLoopResultBuilder]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2021-10-21 19:14:53,782 INFO L857 garLoopResultBuilder]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2021-10-21 19:14:53,782 INFO L857 garLoopResultBuilder]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2021-10-21 19:14:53,782 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2021-10-21 19:14:53,783 INFO L857 garLoopResultBuilder]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2021-10-21 19:14:53,783 INFO L857 garLoopResultBuilder]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2021-10-21 19:14:53,783 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2021-10-21 19:14:53,783 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 19:14:53,783 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2021-10-21 19:14:53,783 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2021-10-21 19:14:53,783 INFO L857 garLoopResultBuilder]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2021-10-21 19:14:53,783 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2021-10-21 19:14:53,783 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 281) no Hoare annotation was computed. [2021-10-21 19:14:53,784 INFO L857 garLoopResultBuilder]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2021-10-21 19:14:53,784 INFO L857 garLoopResultBuilder]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2021-10-21 19:14:53,784 INFO L857 garLoopResultBuilder]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2021-10-21 19:14:53,784 INFO L853 garLoopResultBuilder]: At program point L2625(lines 25 3002) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 0 ULTIMATE.start_main_~main__t~0)) [2021-10-21 19:14:53,784 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 123) no Hoare annotation was computed. [2021-10-21 19:14:53,784 INFO L857 garLoopResultBuilder]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2021-10-21 19:14:53,784 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2021-10-21 19:14:53,784 INFO L857 garLoopResultBuilder]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2021-10-21 19:14:53,785 INFO L857 garLoopResultBuilder]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2021-10-21 19:14:53,785 INFO L857 garLoopResultBuilder]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2021-10-21 19:14:53,785 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2021-10-21 19:14:53,785 INFO L857 garLoopResultBuilder]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2021-10-21 19:14:53,785 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2021-10-21 19:14:53,785 INFO L857 garLoopResultBuilder]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2021-10-21 19:14:53,785 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2021-10-21 19:14:53,785 INFO L857 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2021-10-21 19:14:53,785 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2021-10-21 19:14:53,786 INFO L857 garLoopResultBuilder]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2021-10-21 19:14:53,786 INFO L857 garLoopResultBuilder]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2021-10-21 19:14:53,786 INFO L857 garLoopResultBuilder]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2021-10-21 19:14:53,786 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2021-10-21 19:14:53,786 INFO L857 garLoopResultBuilder]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2021-10-21 19:14:53,786 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 19:14:53,786 INFO L857 garLoopResultBuilder]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2021-10-21 19:14:53,786 INFO L857 garLoopResultBuilder]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2021-10-21 19:14:53,786 INFO L857 garLoopResultBuilder]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 275) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2021-10-21 19:14:53,787 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2021-10-21 19:14:53,788 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2021-10-21 19:14:53,788 INFO L857 garLoopResultBuilder]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2021-10-21 19:14:53,788 INFO L857 garLoopResultBuilder]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2021-10-21 19:14:53,788 INFO L857 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2021-10-21 19:14:53,788 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2021-10-21 19:14:53,788 INFO L857 garLoopResultBuilder]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2021-10-21 19:14:53,788 INFO L857 garLoopResultBuilder]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2021-10-21 19:14:53,788 INFO L853 garLoopResultBuilder]: At program point L2634(lines 64 3001) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 0 ULTIMATE.start_main_~main__t~0)) [2021-10-21 19:14:53,789 INFO L857 garLoopResultBuilder]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2021-10-21 19:14:53,789 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:14:53,789 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-21 19:14:53,789 INFO L857 garLoopResultBuilder]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2021-10-21 19:14:53,789 INFO L857 garLoopResultBuilder]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2021-10-21 19:14:53,789 INFO L857 garLoopResultBuilder]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2021-10-21 19:14:53,789 INFO L857 garLoopResultBuilder]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2021-10-21 19:14:53,789 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2021-10-21 19:14:53,789 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2021-10-21 19:14:53,790 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2021-10-21 19:14:53,790 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-21 19:14:53,790 INFO L857 garLoopResultBuilder]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2021-10-21 19:14:53,790 INFO L857 garLoopResultBuilder]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2021-10-21 19:14:53,790 INFO L857 garLoopResultBuilder]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2021-10-21 19:14:53,790 INFO L857 garLoopResultBuilder]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2021-10-21 19:14:53,790 INFO L857 garLoopResultBuilder]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2021-10-21 19:14:53,790 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2021-10-21 19:14:53,790 INFO L857 garLoopResultBuilder]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2021-10-21 19:14:53,791 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2021-10-21 19:14:53,791 INFO L857 garLoopResultBuilder]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2021-10-21 19:14:53,791 INFO L857 garLoopResultBuilder]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2021-10-21 19:14:53,791 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2021-10-21 19:14:53,791 INFO L857 garLoopResultBuilder]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2021-10-21 19:14:53,791 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2021-10-21 19:14:53,791 INFO L857 garLoopResultBuilder]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2021-10-21 19:14:53,791 INFO L853 garLoopResultBuilder]: At program point L2640(lines 2591 2647) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 59 ULTIMATE.start_main_~main__t~0)) [2021-10-21 19:14:53,792 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2021-10-21 19:14:53,792 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2021-10-21 19:14:53,792 INFO L857 garLoopResultBuilder]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2021-10-21 19:14:53,792 INFO L857 garLoopResultBuilder]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2021-10-21 19:14:53,792 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2021-10-21 19:14:53,792 INFO L857 garLoopResultBuilder]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2021-10-21 19:14:53,792 INFO L857 garLoopResultBuilder]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2021-10-21 19:14:53,792 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:14:53,792 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2021-10-21 19:14:53,793 INFO L857 garLoopResultBuilder]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2021-10-21 19:14:53,793 INFO L857 garLoopResultBuilder]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2021-10-21 19:14:53,793 INFO L857 garLoopResultBuilder]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2021-10-21 19:14:53,793 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 282) no Hoare annotation was computed. [2021-10-21 19:14:53,793 INFO L857 garLoopResultBuilder]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2021-10-21 19:14:53,793 INFO L857 garLoopResultBuilder]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2021-10-21 19:14:53,793 INFO L857 garLoopResultBuilder]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2021-10-21 19:14:53,793 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2021-10-21 19:14:53,793 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2021-10-21 19:14:53,794 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2021-10-21 19:14:53,794 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2021-10-21 19:14:53,794 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2021-10-21 19:14:53,794 INFO L857 garLoopResultBuilder]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2021-10-21 19:14:53,794 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2021-10-21 19:14:53,794 INFO L857 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-10-21 19:14:53,794 INFO L857 garLoopResultBuilder]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2021-10-21 19:14:53,794 INFO L857 garLoopResultBuilder]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2021-10-21 19:14:53,794 INFO L857 garLoopResultBuilder]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2021-10-21 19:14:53,795 INFO L857 garLoopResultBuilder]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2021-10-21 19:14:53,795 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2021-10-21 19:14:53,795 INFO L857 garLoopResultBuilder]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2021-10-21 19:14:53,795 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 240) no Hoare annotation was computed. [2021-10-21 19:14:53,795 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2021-10-21 19:14:53,795 INFO L857 garLoopResultBuilder]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2021-10-21 19:14:53,795 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2021-10-21 19:14:53,795 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2021-10-21 19:14:53,795 INFO L857 garLoopResultBuilder]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2021-10-21 19:14:53,796 INFO L857 garLoopResultBuilder]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2021-10-21 19:14:53,796 INFO L857 garLoopResultBuilder]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2021-10-21 19:14:53,796 INFO L857 garLoopResultBuilder]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2021-10-21 19:14:53,796 INFO L857 garLoopResultBuilder]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2021-10-21 19:14:53,796 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 229) no Hoare annotation was computed. [2021-10-21 19:14:53,796 INFO L857 garLoopResultBuilder]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2021-10-21 19:14:53,796 INFO L857 garLoopResultBuilder]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2021-10-21 19:14:53,796 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2021-10-21 19:14:53,796 INFO L857 garLoopResultBuilder]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2021-10-21 19:14:53,797 INFO L857 garLoopResultBuilder]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2021-10-21 19:14:53,797 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 286) no Hoare annotation was computed. [2021-10-21 19:14:53,797 INFO L857 garLoopResultBuilder]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2021-10-21 19:14:53,797 INFO L857 garLoopResultBuilder]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2021-10-21 19:14:53,797 INFO L857 garLoopResultBuilder]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2021-10-21 19:14:53,797 INFO L857 garLoopResultBuilder]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2021-10-21 19:14:53,797 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-21 19:14:53,797 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2021-10-21 19:14:53,797 INFO L857 garLoopResultBuilder]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2021-10-21 19:14:53,798 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2021-10-21 19:14:53,798 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2021-10-21 19:14:53,798 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-21 19:14:53,798 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-10-21 19:14:53,798 INFO L857 garLoopResultBuilder]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2021-10-21 19:14:53,798 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2021-10-21 19:14:53,798 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2021-10-21 19:14:53,798 INFO L857 garLoopResultBuilder]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2021-10-21 19:14:53,798 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 234) no Hoare annotation was computed. [2021-10-21 19:14:53,799 INFO L857 garLoopResultBuilder]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2021-10-21 19:14:53,799 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2021-10-21 19:14:53,799 INFO L857 garLoopResultBuilder]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2021-10-21 19:14:53,799 INFO L857 garLoopResultBuilder]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2021-10-21 19:14:53,799 INFO L857 garLoopResultBuilder]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2021-10-21 19:14:53,799 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2021-10-21 19:14:53,799 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2021-10-21 19:14:53,800 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2021-10-21 19:14:53,800 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2021-10-21 19:14:53,800 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-21 19:14:53,800 INFO L857 garLoopResultBuilder]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2021-10-21 19:14:53,800 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2021-10-21 19:14:53,800 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2021-10-21 19:14:53,800 INFO L857 garLoopResultBuilder]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2021-10-21 19:14:53,801 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2021-10-21 19:14:53,801 INFO L857 garLoopResultBuilder]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2021-10-21 19:14:53,801 INFO L857 garLoopResultBuilder]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2021-10-21 19:14:53,801 INFO L857 garLoopResultBuilder]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2021-10-21 19:14:53,801 INFO L857 garLoopResultBuilder]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2021-10-21 19:14:53,801 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2021-10-21 19:14:53,801 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2021-10-21 19:14:53,802 INFO L853 garLoopResultBuilder]: At program point L280(lines 132 282) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0))) [2021-10-21 19:14:53,802 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2021-10-21 19:14:53,802 INFO L857 garLoopResultBuilder]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2021-10-21 19:14:53,802 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2021-10-21 19:14:53,802 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2021-10-21 19:14:53,802 INFO L857 garLoopResultBuilder]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2021-10-21 19:14:53,802 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2021-10-21 19:14:53,803 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2021-10-21 19:14:53,803 INFO L857 garLoopResultBuilder]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2021-10-21 19:14:53,803 INFO L857 garLoopResultBuilder]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2021-10-21 19:14:53,803 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2021-10-21 19:14:53,803 INFO L857 garLoopResultBuilder]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2021-10-21 19:14:53,803 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2021-10-21 19:14:53,803 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2021-10-21 19:14:53,804 INFO L857 garLoopResultBuilder]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2021-10-21 19:14:53,804 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2021-10-21 19:14:53,804 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:14:53,804 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 284) no Hoare annotation was computed. [2021-10-21 19:14:53,804 INFO L857 garLoopResultBuilder]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2021-10-21 19:14:53,804 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2021-10-21 19:14:53,804 INFO L857 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2021-10-21 19:14:53,805 INFO L857 garLoopResultBuilder]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2021-10-21 19:14:53,805 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2021-10-21 19:14:53,805 INFO L857 garLoopResultBuilder]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2021-10-21 19:14:53,805 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2021-10-21 19:14:53,805 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2021-10-21 19:14:53,805 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-21 19:14:53,806 INFO L857 garLoopResultBuilder]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2021-10-21 19:14:53,806 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2021-10-21 19:14:53,806 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2021-10-21 19:14:53,806 INFO L857 garLoopResultBuilder]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2021-10-21 19:14:53,806 INFO L857 garLoopResultBuilder]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2021-10-21 19:14:53,807 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 232) no Hoare annotation was computed. [2021-10-21 19:14:53,807 INFO L857 garLoopResultBuilder]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2021-10-21 19:14:53,807 INFO L857 garLoopResultBuilder]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2021-10-21 19:14:53,808 INFO L857 garLoopResultBuilder]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2021-10-21 19:14:53,808 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2021-10-21 19:14:53,808 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2021-10-21 19:14:53,809 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2021-10-21 19:14:53,811 INFO L857 garLoopResultBuilder]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2021-10-21 19:14:53,811 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2021-10-21 19:14:53,811 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-21 19:14:53,811 INFO L857 garLoopResultBuilder]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2021-10-21 19:14:53,812 INFO L857 garLoopResultBuilder]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2021-10-21 19:14:53,812 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2021-10-21 19:14:53,812 INFO L857 garLoopResultBuilder]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2021-10-21 19:14:53,812 INFO L857 garLoopResultBuilder]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2021-10-21 19:14:53,812 INFO L857 garLoopResultBuilder]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2021-10-21 19:14:53,812 INFO L857 garLoopResultBuilder]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2021-10-21 19:14:53,812 INFO L857 garLoopResultBuilder]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2021-10-21 19:14:53,813 INFO L857 garLoopResultBuilder]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2021-10-21 19:14:53,813 INFO L857 garLoopResultBuilder]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2021-10-21 19:14:53,813 INFO L857 garLoopResultBuilder]: For program point L2604(line 2604) no Hoare annotation was computed. [2021-10-21 19:14:53,813 INFO L857 garLoopResultBuilder]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2021-10-21 19:14:53,813 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2021-10-21 19:14:53,813 INFO L857 garLoopResultBuilder]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2021-10-21 19:14:53,813 INFO L857 garLoopResultBuilder]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2021-10-21 19:14:53,814 INFO L853 garLoopResultBuilder]: At program point L226(lines 92 284) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0))) [2021-10-21 19:14:53,814 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:14:53,814 INFO L857 garLoopResultBuilder]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2021-10-21 19:14:53,814 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2021-10-21 19:14:53,814 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2021-10-21 19:14:53,814 INFO L857 garLoopResultBuilder]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2021-10-21 19:14:53,815 INFO L857 garLoopResultBuilder]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2021-10-21 19:14:53,815 INFO L857 garLoopResultBuilder]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2021-10-21 19:14:53,815 INFO L857 garLoopResultBuilder]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2021-10-21 19:14:53,815 INFO L857 garLoopResultBuilder]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2021-10-21 19:14:53,815 INFO L857 garLoopResultBuilder]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2021-10-21 19:14:53,815 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2021-10-21 19:14:53,815 INFO L857 garLoopResultBuilder]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2021-10-21 19:14:53,816 INFO L857 garLoopResultBuilder]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2021-10-21 19:14:53,816 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2021-10-21 19:14:53,816 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2021-10-21 19:14:53,816 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 231) no Hoare annotation was computed. [2021-10-21 19:14:53,816 INFO L857 garLoopResultBuilder]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2021-10-21 19:14:53,816 INFO L857 garLoopResultBuilder]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2021-10-21 19:14:53,816 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 57) no Hoare annotation was computed. [2021-10-21 19:14:53,817 INFO L860 garLoopResultBuilder]: At program point L3006(lines 21 3007) the Hoare annotation is: true [2021-10-21 19:14:53,817 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2021-10-21 19:14:53,817 INFO L857 garLoopResultBuilder]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2021-10-21 19:14:53,817 INFO L857 garLoopResultBuilder]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2021-10-21 19:14:53,817 INFO L857 garLoopResultBuilder]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2021-10-21 19:14:53,817 INFO L857 garLoopResultBuilder]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2021-10-21 19:14:53,817 INFO L857 garLoopResultBuilder]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2021-10-21 19:14:53,820 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-21 19:14:53,820 INFO L857 garLoopResultBuilder]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2021-10-21 19:14:53,820 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2021-10-21 19:14:53,820 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 19:14:53,825 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:14:53,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:14:53 BoogieIcfgContainer [2021-10-21 19:14:53,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:14:53,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:14:53,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:14:53,861 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:14:53,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:38" (3/4) ... [2021-10-21 19:14:53,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:14:53,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-21 19:14:53,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:14:53,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:14:53,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:14:54,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:14:54,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:14:54,117 INFO L168 Benchmark]: Toolchain (without parser) took 17941.98 ms. Allocated memory was 96.5 MB in the beginning and 264.2 MB in the end (delta: 167.8 MB). Free memory was 70.1 MB in the beginning and 214.7 MB in the end (delta: -144.6 MB). Peak memory consumption was 170.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:54,118 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 66.5 MB in the beginning and 66.4 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:14:54,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 944.43 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 69.9 MB in the beginning and 85.9 MB in the end (delta: -16.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:54,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.68 ms. Allocated memory is still 117.4 MB. Free memory was 85.5 MB in the beginning and 78.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:54,119 INFO L168 Benchmark]: Boogie Preprocessor took 89.50 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 74.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:54,120 INFO L168 Benchmark]: RCFGBuilder took 1581.18 ms. Allocated memory is still 117.4 MB. Free memory was 74.3 MB in the beginning and 67.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:54,120 INFO L168 Benchmark]: TraceAbstraction took 14922.06 ms. Allocated memory was 117.4 MB in the beginning and 264.2 MB in the end (delta: 146.8 MB). Free memory was 67.2 MB in the beginning and 92.0 MB in the end (delta: -24.8 MB). Peak memory consumption was 122.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:54,120 INFO L168 Benchmark]: Witness Printer took 255.98 ms. Allocated memory is still 264.2 MB. Free memory was 92.0 MB in the beginning and 214.7 MB in the end (delta: -122.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:54,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 66.5 MB in the beginning and 66.4 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 944.43 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 69.9 MB in the beginning and 85.9 MB in the end (delta: -16.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 142.68 ms. Allocated memory is still 117.4 MB. Free memory was 85.5 MB in the beginning and 78.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.50 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 74.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1581.18 ms. Allocated memory is still 117.4 MB. Free memory was 74.3 MB in the beginning and 67.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14922.06 ms. Allocated memory was 117.4 MB in the beginning and 264.2 MB in the end (delta: 146.8 MB). Free memory was 67.2 MB in the beginning and 92.0 MB in the end (delta: -24.8 MB). Peak memory consumption was 122.7 MB. Max. memory is 16.1 GB. * Witness Printer took 255.98 ms. Allocated memory is still 264.2 MB. Free memory was 92.0 MB in the beginning and 214.7 MB in the end (delta: -122.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 117]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 219]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2616]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 304 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 14815.3ms, OverallIterations: 21, TraceHistogramMax: 1, EmptinessCheckTime: 35.0ms, AutomataDifference: 9759.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 238.2ms, InitialAbstractionConstructionTime: 17.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4014 SDtfs, 5700 SDslu, 5366 SDs, 0 SdLazy, 12964 SolverSat, 1415 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6868.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1790.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 275.9ms AutomataMinimizationTime, 21 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 18 NumberOfFragments, 53 HoareAnnotationTreeSize, 7 FomulaSimplifications, 14555 FormulaSimplificationTreeSizeReduction, 57.7ms HoareSimplificationTime, 7 FomulaSimplificationsInter, 2017 FormulaSimplificationTreeSizeReductionInter, 172.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 127.8ms SsaConstructionTime, 697.5ms SatisfiabilityAnalysisTime, 3312.0ms InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 723 ConstructedInterpolants, 0 QuantifiedInterpolants, 2529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((main__t <= main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((main__t < main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 59 <= main__t RESULT: Ultimate proved your program to be correct! [2021-10-21 19:14:54,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0be2cd-f4b7-42f2-a944-6b17cf7c25ac/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...