./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF --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 d6090139f17d215360e170ecc95bb73008b0f6956bdca2966cee2f9efad851e4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:17:26,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:17:26,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:17:26,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:17:26,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:17:26,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:17:26,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:17:26,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:17:26,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:17:26,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:17:26,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:17:26,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:17:26,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:17:26,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:17:26,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:17:26,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:17:26,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:17:26,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:17:26,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:17:26,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:17:26,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:17:26,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:17:26,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:17:26,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:17:27,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:17:27,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:17:27,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:17:27,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:17:27,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:17:27,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:17:27,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:17:27,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:17:27,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:17:27,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:17:27,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:17:27,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:17:27,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:17:27,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:17:27,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:17:27,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:17:27,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:17:27,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:17:27,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:17:27,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:17:27,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:17:27,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:17:27,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:17:27,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:17:27,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:17:27,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:17:27,069 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:17:27,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:17:27,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:17:27,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:17:27,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:17:27,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:17:27,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:17:27,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:17:27,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:17:27,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:17:27,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:17:27,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:17:27,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:17:27,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:17:27,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:17:27,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:17:27,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:17:27,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:17:27,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:17:27,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:17:27,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:17:27,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:17:27,079 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:17:27,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:17:27,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:17:27,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:17:27,080 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_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6090139f17d215360e170ecc95bb73008b0f6956bdca2966cee2f9efad851e4 [2021-11-20 06:17:27,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:17:27,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:17:27,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:17:27,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:17:27,442 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:17:27,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/eca-rers2012/Problem15_label01.c [2021-11-20 06:17:27,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/data/50dd519e4/3360c2ff0fc34f4ca11312aae51cb861/FLAG9b9738035 [2021-11-20 06:17:28,327 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:17:28,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/sv-benchmarks/c/eca-rers2012/Problem15_label01.c [2021-11-20 06:17:28,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/data/50dd519e4/3360c2ff0fc34f4ca11312aae51cb861/FLAG9b9738035 [2021-11-20 06:17:28,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/data/50dd519e4/3360c2ff0fc34f4ca11312aae51cb861 [2021-11-20 06:17:28,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:17:28,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:17:28,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:17:28,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:17:28,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:17:28,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:28" (1/1) ... [2021-11-20 06:17:28,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab6f8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:28, skipping insertion in model container [2021-11-20 06:17:28,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:28" (1/1) ... [2021-11-20 06:17:28,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:17:28,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:17:28,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/sv-benchmarks/c/eca-rers2012/Problem15_label01.c[5470,5483] [2021-11-20 06:17:29,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:17:29,629 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:17:29,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/sv-benchmarks/c/eca-rers2012/Problem15_label01.c[5470,5483] [2021-11-20 06:17:29,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:17:29,997 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:17:29,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29 WrapperNode [2021-11-20 06:17:29,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:17:29,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:17:29,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:17:29,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:17:30,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,263 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-11-20 06:17:30,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:17:30,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:17:30,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:17:30,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:17:30,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:17:30,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:17:30,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:17:30,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:17:30,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (1/1) ... [2021-11-20 06:17:30,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:17:30,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:30,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:30,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:17:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:17:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:17:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:17:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:17:30,900 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:17:30,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:17:34,999 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:17:35,015 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:17:35,015 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:17:35,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:35 BoogieIcfgContainer [2021-11-20 06:17:35,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:17:35,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:17:35,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:17:35,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:17:35,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:17:28" (1/3) ... [2021-11-20 06:17:35,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17069d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:17:35, skipping insertion in model container [2021-11-20 06:17:35,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:29" (2/3) ... [2021-11-20 06:17:35,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17069d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:17:35, skipping insertion in model container [2021-11-20 06:17:35,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:35" (3/3) ... [2021-11-20 06:17:35,033 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label01.c [2021-11-20 06:17:35,040 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:17:35,040 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:17:35,106 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:17:35,114 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 [2021-11-20 06:17:35,114 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:17:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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) [2021-11-20 06:17:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-20 06:17:35,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:17:35,154 INFO L514 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] [2021-11-20 06:17:35,155 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:17:35,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2021-11-20 06:17:35,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:35,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321535306] [2021-11-20 06:17:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:35,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:17:35,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:17:35,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321535306] [2021-11-20 06:17:35,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321535306] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:17:35,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:17:35,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:17:35,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725941738] [2021-11-20 06:17:35,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:17:35,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:17:35,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:17:35,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:17:35,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:35,591 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-20 06:17:38,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:17:38,836 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-11-20 06:17:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:17:38,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-11-20 06:17:38,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:17:38,863 INFO L225 Difference]: With dead ends: 1154 [2021-11-20 06:17:38,864 INFO L226 Difference]: Without dead ends: 665 [2021-11-20 06:17:38,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:38,875 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 277 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:17:38,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-20 06:17:38,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-11-20 06:17:38,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-11-20 06:17:39,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 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) [2021-11-20 06:17:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-11-20 06:17:39,006 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 44 [2021-11-20 06:17:39,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:17:39,007 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-11-20 06:17:39,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-20 06:17:39,008 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-11-20 06:17:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-20 06:17:39,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:17:39,019 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:17:39,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:17:39,020 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:17:39,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:39,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1760666973, now seen corresponding path program 1 times [2021-11-20 06:17:39,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:39,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80942204] [2021-11-20 06:17:39,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:39,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:17:39,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:17:39,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80942204] [2021-11-20 06:17:39,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80942204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:17:39,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:17:39,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:17:39,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823656232] [2021-11-20 06:17:39,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:17:39,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:17:39,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:17:39,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:17:39,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:39,268 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2021-11-20 06:17:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:17:41,789 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-11-20 06:17:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:17:41,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 109 [2021-11-20 06:17:41,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:17:41,796 INFO L225 Difference]: With dead ends: 1624 [2021-11-20 06:17:41,797 INFO L226 Difference]: Without dead ends: 963 [2021-11-20 06:17:41,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:41,803 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:17:41,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 06:17:41,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-11-20 06:17:41,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-11-20 06:17:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 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) [2021-11-20 06:17:41,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-11-20 06:17:41,847 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 109 [2021-11-20 06:17:41,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:17:41,847 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-11-20 06:17:41,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2021-11-20 06:17:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-11-20 06:17:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-20 06:17:41,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:17:41,851 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:17:41,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:17:41,851 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:17:41,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:41,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1367533996, now seen corresponding path program 1 times [2021-11-20 06:17:41,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:41,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482012048] [2021-11-20 06:17:41,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:41,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:42,029 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:17:42,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:17:42,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482012048] [2021-11-20 06:17:42,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482012048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:17:42,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:17:42,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:17:42,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15299493] [2021-11-20 06:17:42,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:17:42,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:17:42,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:17:42,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:17:42,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:17:42,037 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 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) [2021-11-20 06:17:45,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:17:45,260 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2021-11-20 06:17:45,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:17:45,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 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 114 [2021-11-20 06:17:45,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:17:45,274 INFO L225 Difference]: With dead ends: 2244 [2021-11-20 06:17:45,274 INFO L226 Difference]: Without dead ends: 1582 [2021-11-20 06:17:45,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:17:45,278 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 363 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:17:45,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 362 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-20 06:17:45,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2021-11-20 06:17:45,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2021-11-20 06:17:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3051383399209486) internal successors, (1651), 1265 states have internal predecessors, (1651), 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) [2021-11-20 06:17:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1651 transitions. [2021-11-20 06:17:45,325 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1651 transitions. Word has length 114 [2021-11-20 06:17:45,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:17:45,326 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1651 transitions. [2021-11-20 06:17:45,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 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) [2021-11-20 06:17:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1651 transitions. [2021-11-20 06:17:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-20 06:17:45,330 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:17:45,331 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:17:45,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:17:45,331 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:17:45,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:45,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1300079150, now seen corresponding path program 1 times [2021-11-20 06:17:45,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:45,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529881997] [2021-11-20 06:17:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:45,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:17:45,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:17:45,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529881997] [2021-11-20 06:17:45,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529881997] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:17:45,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:17:45,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:17:45,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82095861] [2021-11-20 06:17:45,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:17:45,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:17:45,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:17:45,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:17:45,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:17:45,563 INFO L87 Difference]: Start difference. First operand 1266 states and 1651 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-11-20 06:17:50,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:17:50,053 INFO L93 Difference]: Finished difference Result 4668 states and 6173 transitions. [2021-11-20 06:17:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:17:50,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 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 135 [2021-11-20 06:17:50,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:17:50,080 INFO L225 Difference]: With dead ends: 4668 [2021-11-20 06:17:50,080 INFO L226 Difference]: Without dead ends: 3404 [2021-11-20 06:17:50,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:17:50,085 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 521 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:17:50,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [521 Valid, 346 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-20 06:17:50,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2021-11-20 06:17:50,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2021-11-20 06:17:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2366863905325445) internal successors, (4180), 3380 states have internal predecessors, (4180), 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) [2021-11-20 06:17:50,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4180 transitions. [2021-11-20 06:17:50,198 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4180 transitions. Word has length 135 [2021-11-20 06:17:50,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:17:50,199 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4180 transitions. [2021-11-20 06:17:50,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-11-20 06:17:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4180 transitions. [2021-11-20 06:17:50,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-20 06:17:50,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:17:50,205 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:17:50,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:17:50,206 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:17:50,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:50,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1749227933, now seen corresponding path program 1 times [2021-11-20 06:17:50,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:50,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564463588] [2021-11-20 06:17:50,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:50,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-20 06:17:50,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:17:50,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564463588] [2021-11-20 06:17:50,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564463588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:17:50,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:17:50,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:17:50,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022131943] [2021-11-20 06:17:50,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:17:50,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:17:50,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:17:50,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:17:50,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:50,468 INFO L87 Difference]: Start difference. First operand 3381 states and 4180 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 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) [2021-11-20 06:17:52,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:17:52,682 INFO L93 Difference]: Finished difference Result 8563 states and 10754 transitions. [2021-11-20 06:17:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:17:52,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 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 203 [2021-11-20 06:17:52,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:17:52,722 INFO L225 Difference]: With dead ends: 8563 [2021-11-20 06:17:52,722 INFO L226 Difference]: Without dead ends: 5483 [2021-11-20 06:17:52,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:52,730 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:17:52,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 337 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 06:17:52,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-11-20 06:17:52,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-11-20 06:17:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.16870549570933) internal successors, (6401), 5477 states have internal predecessors, (6401), 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) [2021-11-20 06:17:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6401 transitions. [2021-11-20 06:17:52,904 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6401 transitions. Word has length 203 [2021-11-20 06:17:52,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:17:52,906 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6401 transitions. [2021-11-20 06:17:52,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 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) [2021-11-20 06:17:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6401 transitions. [2021-11-20 06:17:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-20 06:17:52,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:17:52,920 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:17:52,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:17:52,922 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:17:52,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:52,924 INFO L85 PathProgramCache]: Analyzing trace with hash -92208819, now seen corresponding path program 1 times [2021-11-20 06:17:52,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:52,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656622596] [2021-11-20 06:17:52,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:52,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-20 06:17:53,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:17:53,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656622596] [2021-11-20 06:17:53,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656622596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:17:53,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:17:53,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:17:53,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497545583] [2021-11-20 06:17:53,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:17:53,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:17:53,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:17:53,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:17:53,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:53,223 INFO L87 Difference]: Start difference. First operand 5478 states and 6401 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 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) [2021-11-20 06:17:56,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:17:56,382 INFO L93 Difference]: Finished difference Result 10655 states and 12489 transitions. [2021-11-20 06:17:56,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:17:56,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 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 305 [2021-11-20 06:17:56,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:17:56,411 INFO L225 Difference]: With dead ends: 10655 [2021-11-20 06:17:56,412 INFO L226 Difference]: Without dead ends: 5478 [2021-11-20 06:17:56,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:56,419 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:17:56,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-20 06:17:56,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-11-20 06:17:56,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-11-20 06:17:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1676100054774512) internal successors, (6395), 5477 states have internal predecessors, (6395), 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) [2021-11-20 06:17:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6395 transitions. [2021-11-20 06:17:56,539 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6395 transitions. Word has length 305 [2021-11-20 06:17:56,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:17:56,540 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6395 transitions. [2021-11-20 06:17:56,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 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) [2021-11-20 06:17:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6395 transitions. [2021-11-20 06:17:56,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-20 06:17:56,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:17:56,548 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:17:56,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:17:56,548 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:17:56,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:56,549 INFO L85 PathProgramCache]: Analyzing trace with hash 691630654, now seen corresponding path program 1 times [2021-11-20 06:17:56,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:56,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101300830] [2021-11-20 06:17:56,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:56,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-20 06:17:56,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:17:56,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101300830] [2021-11-20 06:17:56,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101300830] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:17:56,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:17:56,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:17:56,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115907300] [2021-11-20 06:17:56,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:17:56,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:17:56,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:17:56,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:17:56,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:56,747 INFO L87 Difference]: Start difference. First operand 5478 states and 6395 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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) [2021-11-20 06:17:59,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:17:59,333 INFO L93 Difference]: Finished difference Result 12758 states and 15193 transitions. [2021-11-20 06:17:59,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:17:59,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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 331 [2021-11-20 06:17:59,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:17:59,372 INFO L225 Difference]: With dead ends: 12758 [2021-11-20 06:17:59,372 INFO L226 Difference]: Without dead ends: 7581 [2021-11-20 06:17:59,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:59,380 INFO L933 BasicCegarLoop]: 632 mSDtfsCounter, 272 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:17:59,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 671 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 06:17:59,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7581 states. [2021-11-20 06:17:59,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7581 to 7579. [2021-11-20 06:17:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 7578 states have (on average 1.1421219319081553) internal successors, (8655), 7578 states have internal predecessors, (8655), 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) [2021-11-20 06:17:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8655 transitions. [2021-11-20 06:17:59,560 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8655 transitions. Word has length 331 [2021-11-20 06:17:59,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:17:59,561 INFO L470 AbstractCegarLoop]: Abstraction has 7579 states and 8655 transitions. [2021-11-20 06:17:59,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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) [2021-11-20 06:17:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8655 transitions. [2021-11-20 06:17:59,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-11-20 06:17:59,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:17:59,573 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:17:59,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:17:59,574 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:17:59,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:59,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1024558271, now seen corresponding path program 1 times [2021-11-20 06:17:59,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:59,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705736852] [2021-11-20 06:17:59,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:59,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-20 06:17:59,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:17:59,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705736852] [2021-11-20 06:17:59,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705736852] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:17:59,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:17:59,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:17:59,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075280271] [2021-11-20 06:17:59,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:17:59,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:17:59,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:17:59,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:17:59,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:17:59,846 INFO L87 Difference]: Start difference. First operand 7579 states and 8655 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2021-11-20 06:18:02,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:18:02,395 INFO L93 Difference]: Finished difference Result 16956 states and 19716 transitions. [2021-11-20 06:18:02,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:18:02,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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 390 [2021-11-20 06:18:02,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:18:02,437 INFO L225 Difference]: With dead ends: 16956 [2021-11-20 06:18:02,437 INFO L226 Difference]: Without dead ends: 9678 [2021-11-20 06:18:02,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:18:02,452 INFO L933 BasicCegarLoop]: 598 mSDtfsCounter, 283 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:18:02,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 635 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 06:18:02,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9678 states. [2021-11-20 06:18:02,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9678 to 8781. [2021-11-20 06:18:02,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8781 states, 8780 states have (on average 1.1329157175398634) internal successors, (9947), 8780 states have internal predecessors, (9947), 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) [2021-11-20 06:18:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 9947 transitions. [2021-11-20 06:18:02,638 INFO L78 Accepts]: Start accepts. Automaton has 8781 states and 9947 transitions. Word has length 390 [2021-11-20 06:18:02,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:18:02,639 INFO L470 AbstractCegarLoop]: Abstraction has 8781 states and 9947 transitions. [2021-11-20 06:18:02,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2021-11-20 06:18:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 8781 states and 9947 transitions. [2021-11-20 06:18:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2021-11-20 06:18:02,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:18:02,650 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:18:02,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:18:02,650 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:18:02,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:18:02,651 INFO L85 PathProgramCache]: Analyzing trace with hash -289447111, now seen corresponding path program 1 times [2021-11-20 06:18:02,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:18:02,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893329387] [2021-11-20 06:18:02,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:18:02,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:18:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:18:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 83 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:18:03,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:18:03,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893329387] [2021-11-20 06:18:03,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893329387] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:18:03,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583170046] [2021-11-20 06:18:03,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:18:03,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:18:03,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:18:03,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:18:03,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:18:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:18:03,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:18:03,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:18:04,663 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:18:04,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:18:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:18:11,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583170046] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:18:11,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:18:11,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 9 [2021-11-20 06:18:11,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390215743] [2021-11-20 06:18:11,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:18:11,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:18:11,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:18:11,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:18:11,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:18:11,584 INFO L87 Difference]: Start difference. First operand 8781 states and 9947 transitions. Second operand has 5 states, 5 states have (on average 78.2) internal successors, (391), 4 states have internal predecessors, (391), 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) [2021-11-20 06:18:19,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:18:19,114 INFO L93 Difference]: Finished difference Result 24494 states and 28334 transitions. [2021-11-20 06:18:19,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:18:19,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 4 states have internal predecessors, (391), 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 391 [2021-11-20 06:18:19,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:18:19,153 INFO L225 Difference]: With dead ends: 24494 [2021-11-20 06:18:19,153 INFO L226 Difference]: Without dead ends: 16014 [2021-11-20 06:18:19,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:18:19,164 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 626 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 2710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 848 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:18:19,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [626 Valid, 109 Invalid, 2710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [848 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-11-20 06:18:19,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16014 states. [2021-11-20 06:18:19,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16014 to 15078. [2021-11-20 06:18:19,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15078 states, 15077 states have (on average 1.160907342309478) internal successors, (17503), 15077 states have internal predecessors, (17503), 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) [2021-11-20 06:18:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15078 states to 15078 states and 17503 transitions. [2021-11-20 06:18:19,566 INFO L78 Accepts]: Start accepts. Automaton has 15078 states and 17503 transitions. Word has length 391 [2021-11-20 06:18:19,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:18:19,568 INFO L470 AbstractCegarLoop]: Abstraction has 15078 states and 17503 transitions. [2021-11-20 06:18:19,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.2) internal successors, (391), 4 states have internal predecessors, (391), 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) [2021-11-20 06:18:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 15078 states and 17503 transitions. [2021-11-20 06:18:19,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-20 06:18:19,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:18:19,582 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:18:19,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:18:19,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:18:19,801 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:18:19,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:18:19,802 INFO L85 PathProgramCache]: Analyzing trace with hash 577355242, now seen corresponding path program 1 times [2021-11-20 06:18:19,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:18:19,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264080050] [2021-11-20 06:18:19,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:18:19,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:18:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:18:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:18:20,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:18:20,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264080050] [2021-11-20 06:18:20,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264080050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:18:20,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:18:20,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:18:20,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698349848] [2021-11-20 06:18:20,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:18:20,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:18:20,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:18:20,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:18:20,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:18:20,041 INFO L87 Difference]: Start difference. First operand 15078 states and 17503 transitions. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2021-11-20 06:18:22,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:18:22,325 INFO L93 Difference]: Finished difference Result 33447 states and 39636 transitions. [2021-11-20 06:18:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:18:22,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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 407 [2021-11-20 06:18:22,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:18:22,366 INFO L225 Difference]: With dead ends: 33447 [2021-11-20 06:18:22,366 INFO L226 Difference]: Without dead ends: 18670 [2021-11-20 06:18:22,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:18:22,382 INFO L933 BasicCegarLoop]: 584 mSDtfsCounter, 246 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:18:22,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 622 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 06:18:22,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18670 states. [2021-11-20 06:18:22,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18670 to 17765. [2021-11-20 06:18:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17765 states, 17764 states have (on average 1.1506417473541994) internal successors, (20440), 17764 states have internal predecessors, (20440), 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) [2021-11-20 06:18:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17765 states to 17765 states and 20440 transitions. [2021-11-20 06:18:22,823 INFO L78 Accepts]: Start accepts. Automaton has 17765 states and 20440 transitions. Word has length 407 [2021-11-20 06:18:22,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:18:22,824 INFO L470 AbstractCegarLoop]: Abstraction has 17765 states and 20440 transitions. [2021-11-20 06:18:22,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2021-11-20 06:18:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 17765 states and 20440 transitions. [2021-11-20 06:18:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-11-20 06:18:22,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:18:22,832 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:18:22,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:18:22,833 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:18:22,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:18:22,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1611690732, now seen corresponding path program 1 times [2021-11-20 06:18:22,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:18:22,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506980134] [2021-11-20 06:18:22,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:18:22,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:18:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:18:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-11-20 06:18:23,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:18:23,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506980134] [2021-11-20 06:18:23,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506980134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:18:23,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:18:23,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:18:23,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131149500] [2021-11-20 06:18:23,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:18:23,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:18:23,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:18:23,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:18:23,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:18:23,058 INFO L87 Difference]: Start difference. First operand 17765 states and 20440 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 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) [2021-11-20 06:18:25,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:18:25,656 INFO L93 Difference]: Finished difference Result 42723 states and 49427 transitions. [2021-11-20 06:18:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:18:25,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 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 453 [2021-11-20 06:18:25,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:18:25,698 INFO L225 Difference]: With dead ends: 42723 [2021-11-20 06:18:25,698 INFO L226 Difference]: Without dead ends: 25259 [2021-11-20 06:18:25,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:18:25,722 INFO L933 BasicCegarLoop]: 588 mSDtfsCounter, 283 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:18:25,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 621 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 06:18:25,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25259 states. [2021-11-20 06:18:26,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25259 to 24945. [2021-11-20 06:18:26,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24945 states, 24944 states have (on average 1.131213919178961) internal successors, (28217), 24944 states have internal predecessors, (28217), 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) [2021-11-20 06:18:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24945 states to 24945 states and 28217 transitions. [2021-11-20 06:18:26,453 INFO L78 Accepts]: Start accepts. Automaton has 24945 states and 28217 transitions. Word has length 453 [2021-11-20 06:18:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:18:26,454 INFO L470 AbstractCegarLoop]: Abstraction has 24945 states and 28217 transitions. [2021-11-20 06:18:26,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 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) [2021-11-20 06:18:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 24945 states and 28217 transitions. [2021-11-20 06:18:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-11-20 06:18:26,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:18:26,466 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:18:26,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:18:26,467 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:18:26,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:18:26,470 INFO L85 PathProgramCache]: Analyzing trace with hash 319650045, now seen corresponding path program 1 times [2021-11-20 06:18:26,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:18:26,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97160728] [2021-11-20 06:18:26,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:18:26,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:18:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:18:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 42 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:18:26,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:18:26,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97160728] [2021-11-20 06:18:26,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97160728] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:18:26,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447184897] [2021-11-20 06:18:26,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:18:26,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:18:26,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:18:26,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:18:26,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:18:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:18:27,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:18:27,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:18:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 236 proven. 106 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-20 06:18:29,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:18:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 236 proven. 106 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-20 06:18:34,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447184897] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:18:34,409 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:18:34,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2021-11-20 06:18:34,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248725585] [2021-11-20 06:18:34,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:18:34,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:18:34,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:18:34,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:18:34,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:18:34,417 INFO L87 Difference]: Start difference. First operand 24945 states and 28217 transitions. Second operand has 9 states, 9 states have (on average 118.0) internal successors, (1062), 8 states have internal predecessors, (1062), 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) [2021-11-20 06:18:50,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:18:50,738 INFO L93 Difference]: Finished difference Result 90984 states and 102445 transitions. [2021-11-20 06:18:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 06:18:50,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 118.0) internal successors, (1062), 8 states have internal predecessors, (1062), 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 498 [2021-11-20 06:18:50,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:18:50,806 INFO L225 Difference]: With dead ends: 90984 [2021-11-20 06:18:50,806 INFO L226 Difference]: Without dead ends: 66340 [2021-11-20 06:18:50,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1013 GetRequests, 992 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:18:50,825 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 5435 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 6783 mSolverCounterSat, 2743 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5435 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 9526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2743 IncrementalHoareTripleChecker+Valid, 6783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:18:50,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5435 Valid, 274 Invalid, 9526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2743 Valid, 6783 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2021-11-20 06:18:50,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66340 states. [2021-11-20 06:18:51,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66340 to 46492. [2021-11-20 06:18:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46492 states, 46491 states have (on average 1.126863263857521) internal successors, (52389), 46491 states have internal predecessors, (52389), 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) [2021-11-20 06:18:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46492 states to 46492 states and 52389 transitions. [2021-11-20 06:18:51,891 INFO L78 Accepts]: Start accepts. Automaton has 46492 states and 52389 transitions. Word has length 498 [2021-11-20 06:18:51,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:18:51,892 INFO L470 AbstractCegarLoop]: Abstraction has 46492 states and 52389 transitions. [2021-11-20 06:18:51,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 118.0) internal successors, (1062), 8 states have internal predecessors, (1062), 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) [2021-11-20 06:18:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 46492 states and 52389 transitions. [2021-11-20 06:18:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-11-20 06:18:51,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:18:51,901 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:18:51,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:18:52,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-20 06:18:52,116 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:18:52,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:18:52,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1407121983, now seen corresponding path program 1 times [2021-11-20 06:18:52,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:18:52,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172100493] [2021-11-20 06:18:52,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:18:52,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:18:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:18:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 125 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:18:52,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:18:52,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172100493] [2021-11-20 06:18:52,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172100493] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:18:52,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44795323] [2021-11-20 06:18:52,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:18:52,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:18:52,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:18:52,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:18:52,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 06:18:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:18:52,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:18:52,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:18:54,344 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 42 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:18:54,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:18:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:18:56,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44795323] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:18:56,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:18:56,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 12 [2021-11-20 06:18:56,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682585085] [2021-11-20 06:18:56,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:18:56,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:18:56,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:18:56,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:18:56,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=83, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:18:56,702 INFO L87 Difference]: Start difference. First operand 46492 states and 52389 transitions. Second operand has 6 states, 6 states have (on average 85.0) internal successors, (510), 5 states have internal predecessors, (510), 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) [2021-11-20 06:19:02,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:02,732 INFO L93 Difference]: Finished difference Result 103495 states and 116247 transitions. [2021-11-20 06:19:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:19:02,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 85.0) internal successors, (510), 5 states have internal predecessors, (510), 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 510 [2021-11-20 06:19:02,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:02,801 INFO L225 Difference]: With dead ends: 103495 [2021-11-20 06:19:02,801 INFO L226 Difference]: Without dead ends: 57304 [2021-11-20 06:19:02,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 1012 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=83, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:19:02,832 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 914 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 1052 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1052 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:02,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 97 Invalid, 2864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1052 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-20 06:19:02,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57304 states. [2021-11-20 06:19:03,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57304 to 44996. [2021-11-20 06:19:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44996 states, 44995 states have (on average 1.127036337370819) internal successors, (50711), 44995 states have internal predecessors, (50711), 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) [2021-11-20 06:19:03,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44996 states to 44996 states and 50711 transitions. [2021-11-20 06:19:03,823 INFO L78 Accepts]: Start accepts. Automaton has 44996 states and 50711 transitions. Word has length 510 [2021-11-20 06:19:03,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:03,824 INFO L470 AbstractCegarLoop]: Abstraction has 44996 states and 50711 transitions. [2021-11-20 06:19:03,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.0) internal successors, (510), 5 states have internal predecessors, (510), 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) [2021-11-20 06:19:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 44996 states and 50711 transitions. [2021-11-20 06:19:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-11-20 06:19:03,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:03,832 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:03,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:19:04,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:19:04,040 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:04,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:04,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1290263051, now seen corresponding path program 1 times [2021-11-20 06:19:04,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:04,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577584475] [2021-11-20 06:19:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:04,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 493 proven. 39 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-20 06:19:04,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:04,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577584475] [2021-11-20 06:19:04,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577584475] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:19:04,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620236694] [2021-11-20 06:19:04,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:04,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:19:04,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:19:04,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:19:04,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 06:19:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:04,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:19:04,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:19:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-11-20 06:19:05,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:19:05,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620236694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:05,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:19:05,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-20 06:19:05,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156601819] [2021-11-20 06:19:05,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:05,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:19:05,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:05,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:19:05,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:05,807 INFO L87 Difference]: Start difference. First operand 44996 states and 50711 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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) [2021-11-20 06:19:08,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:08,358 INFO L93 Difference]: Finished difference Result 95668 states and 108162 transitions. [2021-11-20 06:19:08,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:19:08,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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 528 [2021-11-20 06:19:08,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:08,621 INFO L225 Difference]: With dead ends: 95668 [2021-11-20 06:19:08,622 INFO L226 Difference]: Without dead ends: 50973 [2021-11-20 06:19:08,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:08,642 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 372 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:08,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 443 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 06:19:08,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50973 states. [2021-11-20 06:19:09,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50973 to 49478. [2021-11-20 06:19:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49478 states, 49477 states have (on average 1.114922085009196) internal successors, (55163), 49477 states have internal predecessors, (55163), 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) [2021-11-20 06:19:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49478 states to 49478 states and 55163 transitions. [2021-11-20 06:19:09,741 INFO L78 Accepts]: Start accepts. Automaton has 49478 states and 55163 transitions. Word has length 528 [2021-11-20 06:19:09,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:09,743 INFO L470 AbstractCegarLoop]: Abstraction has 49478 states and 55163 transitions. [2021-11-20 06:19:09,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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) [2021-11-20 06:19:09,744 INFO L276 IsEmpty]: Start isEmpty. Operand 49478 states and 55163 transitions. [2021-11-20 06:19:09,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-11-20 06:19:09,766 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:09,767 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:09,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:19:09,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:19:09,984 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:09,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:09,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2016562453, now seen corresponding path program 1 times [2021-11-20 06:19:09,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:09,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471941134] [2021-11-20 06:19:09,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:09,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 640 proven. 39 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-11-20 06:19:10,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:10,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471941134] [2021-11-20 06:19:10,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471941134] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:19:10,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263265991] [2021-11-20 06:19:10,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:10,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:19:10,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:19:10,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:19:10,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 06:19:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:10,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:19:10,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:19:11,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-11-20 06:19:11,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:19:11,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263265991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:11,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:19:11,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-20 06:19:11,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033699332] [2021-11-20 06:19:11,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:11,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:19:11,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:11,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:19:11,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:11,895 INFO L87 Difference]: Start difference. First operand 49478 states and 55163 transitions. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2021-11-20 06:19:14,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:14,856 INFO L93 Difference]: Finished difference Result 110013 states and 122747 transitions. [2021-11-20 06:19:14,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:19:14,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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 602 [2021-11-20 06:19:14,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:14,923 INFO L225 Difference]: With dead ends: 110013 [2021-11-20 06:19:14,923 INFO L226 Difference]: Without dead ends: 60836 [2021-11-20 06:19:14,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:14,946 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 268 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:14,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 250 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 06:19:15,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60836 states. [2021-11-20 06:19:15,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60836 to 52461. [2021-11-20 06:19:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52461 states, 52460 states have (on average 1.1090926420129623) internal successors, (58183), 52460 states have internal predecessors, (58183), 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) [2021-11-20 06:19:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52461 states to 52461 states and 58183 transitions. [2021-11-20 06:19:16,028 INFO L78 Accepts]: Start accepts. Automaton has 52461 states and 58183 transitions. Word has length 602 [2021-11-20 06:19:16,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:16,029 INFO L470 AbstractCegarLoop]: Abstraction has 52461 states and 58183 transitions. [2021-11-20 06:19:16,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2021-11-20 06:19:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 52461 states and 58183 transitions. [2021-11-20 06:19:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2021-11-20 06:19:16,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:16,045 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:16,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-20 06:19:16,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-20 06:19:16,268 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:16,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:16,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1393730838, now seen corresponding path program 1 times [2021-11-20 06:19:16,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:16,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557216330] [2021-11-20 06:19:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:16,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 650 proven. 39 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2021-11-20 06:19:16,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:16,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557216330] [2021-11-20 06:19:16,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557216330] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:19:16,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352469263] [2021-11-20 06:19:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:16,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:19:16,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:19:16,839 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:19:16,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 06:19:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:17,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:19:17,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:19:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 520 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-11-20 06:19:18,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:19:18,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352469263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:18,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:19:18,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-20 06:19:18,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601542658] [2021-11-20 06:19:18,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:18,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:19:18,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:18,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:19:18,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:18,213 INFO L87 Difference]: Start difference. First operand 52461 states and 58183 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2021-11-20 06:19:20,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:20,355 INFO L93 Difference]: Finished difference Result 103420 states and 114744 transitions. [2021-11-20 06:19:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:19:20,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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 607 [2021-11-20 06:19:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:20,418 INFO L225 Difference]: With dead ends: 103420 [2021-11-20 06:19:20,418 INFO L226 Difference]: Without dead ends: 51260 [2021-11-20 06:19:20,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:19:20,555 INFO L933 BasicCegarLoop]: 563 mSDtfsCounter, 250 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:20,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 600 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 06:19:20,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51260 states. [2021-11-20 06:19:21,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51260 to 50063. [2021-11-20 06:19:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50063 states, 50062 states have (on average 1.0783628300906876) internal successors, (53985), 50062 states have internal predecessors, (53985), 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) [2021-11-20 06:19:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50063 states to 50063 states and 53985 transitions. [2021-11-20 06:19:21,238 INFO L78 Accepts]: Start accepts. Automaton has 50063 states and 53985 transitions. Word has length 607 [2021-11-20 06:19:21,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:21,239 INFO L470 AbstractCegarLoop]: Abstraction has 50063 states and 53985 transitions. [2021-11-20 06:19:21,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2021-11-20 06:19:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 50063 states and 53985 transitions. [2021-11-20 06:19:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2021-11-20 06:19:21,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:21,258 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:21,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-20 06:19:21,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-20 06:19:21,459 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:21,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:21,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1635363990, now seen corresponding path program 1 times [2021-11-20 06:19:21,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:21,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891477310] [2021-11-20 06:19:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:21,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 125 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:21,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:21,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891477310] [2021-11-20 06:19:21,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891477310] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:19:21,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583818768] [2021-11-20 06:19:21,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:21,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:19:21,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:19:21,859 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:19:21,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 06:19:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:22,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:19:22,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:19:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 0 proven. 589 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:23,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:19:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:19:31,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583818768] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:19:31,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:19:31,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-11-20 06:19:31,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463142678] [2021-11-20 06:19:31,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:31,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:19:31,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:31,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:19:31,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:19:31,478 INFO L87 Difference]: Start difference. First operand 50063 states and 53985 transitions. Second operand has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 5 states have internal predecessors, (685), 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) [2021-11-20 06:19:36,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:36,382 INFO L93 Difference]: Finished difference Result 109720 states and 118282 transitions. [2021-11-20 06:19:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:19:36,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 5 states have internal predecessors, (685), 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 685 [2021-11-20 06:19:36,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:36,474 INFO L225 Difference]: With dead ends: 109720 [2021-11-20 06:19:36,475 INFO L226 Difference]: Without dead ends: 59958 [2021-11-20 06:19:36,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1373 GetRequests, 1361 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:19:36,496 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 620 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 822 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 2905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 822 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 338 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:36,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 92 Invalid, 2905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [822 Valid, 1745 Invalid, 0 Unknown, 338 Unchecked, 4.4s Time] [2021-11-20 06:19:36,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59958 states. [2021-11-20 06:19:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59958 to 54853. [2021-11-20 06:19:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54853 states, 54852 states have (on average 1.0783016116094217) internal successors, (59147), 54852 states have internal predecessors, (59147), 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) [2021-11-20 06:19:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54853 states to 54853 states and 59147 transitions. [2021-11-20 06:19:37,367 INFO L78 Accepts]: Start accepts. Automaton has 54853 states and 59147 transitions. Word has length 685 [2021-11-20 06:19:37,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:37,368 INFO L470 AbstractCegarLoop]: Abstraction has 54853 states and 59147 transitions. [2021-11-20 06:19:37,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 5 states have internal predecessors, (685), 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) [2021-11-20 06:19:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 54853 states and 59147 transitions. [2021-11-20 06:19:37,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2021-11-20 06:19:37,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:37,701 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:37,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:19:37,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-20 06:19:37,912 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:37,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:37,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1706100167, now seen corresponding path program 1 times [2021-11-20 06:19:37,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:37,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223304666] [2021-11-20 06:19:37,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:37,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-20 06:19:38,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:38,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223304666] [2021-11-20 06:19:38,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223304666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:38,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:38,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:19:38,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483148893] [2021-11-20 06:19:38,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:38,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:19:38,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:38,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:19:38,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:19:38,345 INFO L87 Difference]: Start difference. First operand 54853 states and 59147 transitions. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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) [2021-11-20 06:19:41,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:41,149 INFO L93 Difference]: Finished difference Result 116288 states and 125234 transitions. [2021-11-20 06:19:41,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:19:41,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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 804 [2021-11-20 06:19:41,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:41,211 INFO L225 Difference]: With dead ends: 116288 [2021-11-20 06:19:41,211 INFO L226 Difference]: Without dead ends: 55756 [2021-11-20 06:19:41,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:19:41,233 INFO L933 BasicCegarLoop]: 617 mSDtfsCounter, 141 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:41,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 661 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 06:19:41,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55756 states. [2021-11-20 06:19:42,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55756 to 50367. [2021-11-20 06:19:42,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50367 states, 50366 states have (on average 1.061569312631537) internal successors, (53467), 50366 states have internal predecessors, (53467), 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) [2021-11-20 06:19:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50367 states to 50367 states and 53467 transitions. [2021-11-20 06:19:42,133 INFO L78 Accepts]: Start accepts. Automaton has 50367 states and 53467 transitions. Word has length 804 [2021-11-20 06:19:42,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:42,134 INFO L470 AbstractCegarLoop]: Abstraction has 50367 states and 53467 transitions. [2021-11-20 06:19:42,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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) [2021-11-20 06:19:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 50367 states and 53467 transitions. [2021-11-20 06:19:42,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2021-11-20 06:19:42,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:42,178 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:42,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 06:19:42,178 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:42,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:42,179 INFO L85 PathProgramCache]: Analyzing trace with hash -432972242, now seen corresponding path program 1 times [2021-11-20 06:19:42,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:42,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925898556] [2021-11-20 06:19:42,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:42,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 962 proven. 39 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2021-11-20 06:19:42,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:42,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925898556] [2021-11-20 06:19:42,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925898556] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:19:42,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148047193] [2021-11-20 06:19:42,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:42,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:19:42,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:19:42,584 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:19:42,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 06:19:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:43,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:19:43,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:19:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 962 proven. 39 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2021-11-20 06:19:45,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:19:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 962 proven. 39 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2021-11-20 06:19:48,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148047193] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:19:48,353 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:19:48,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-20 06:19:48,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432710154] [2021-11-20 06:19:48,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:19:48,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:19:48,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:48,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:19:48,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:19:48,357 INFO L87 Difference]: Start difference. First operand 50367 states and 53467 transitions. Second operand has 9 states, 9 states have (on average 87.33333333333333) internal successors, (786), 8 states have internal predecessors, (786), 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) [2021-11-20 06:19:55,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:55,204 INFO L93 Difference]: Finished difference Result 106526 states and 112862 transitions. [2021-11-20 06:19:55,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:19:55,205 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 87.33333333333333) internal successors, (786), 8 states have internal predecessors, (786), 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 824 [2021-11-20 06:19:55,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:55,247 INFO L225 Difference]: With dead ends: 106526 [2021-11-20 06:19:55,247 INFO L226 Difference]: Without dead ends: 39599 [2021-11-20 06:19:55,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1657 GetRequests, 1643 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:19:55,271 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 3321 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 5167 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 5692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 5167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:55,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3321 Valid, 230 Invalid, 5692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [525 Valid, 5167 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-11-20 06:19:55,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39599 states. [2021-11-20 06:19:55,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39599 to 27616. [2021-11-20 06:19:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27616 states, 27615 states have (on average 1.032265073329712) internal successors, (28506), 27615 states have internal predecessors, (28506), 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) [2021-11-20 06:19:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27616 states to 27616 states and 28506 transitions. [2021-11-20 06:19:55,788 INFO L78 Accepts]: Start accepts. Automaton has 27616 states and 28506 transitions. Word has length 824 [2021-11-20 06:19:55,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:55,788 INFO L470 AbstractCegarLoop]: Abstraction has 27616 states and 28506 transitions. [2021-11-20 06:19:55,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 87.33333333333333) internal successors, (786), 8 states have internal predecessors, (786), 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) [2021-11-20 06:19:55,789 INFO L276 IsEmpty]: Start isEmpty. Operand 27616 states and 28506 transitions. [2021-11-20 06:19:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2021-11-20 06:19:55,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:55,804 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:55,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:19:56,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:19:56,006 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:56,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:56,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1540025798, now seen corresponding path program 1 times [2021-11-20 06:19:56,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:56,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827928197] [2021-11-20 06:19:56,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:56,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 832 proven. 0 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2021-11-20 06:19:56,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:56,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827928197] [2021-11-20 06:19:56,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827928197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:56,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:56,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:19:56,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464318452] [2021-11-20 06:19:56,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:56,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:19:56,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:56,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:19:56,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:19:56,384 INFO L87 Difference]: Start difference. First operand 27616 states and 28506 transitions. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2021-11-20 06:19:57,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:57,913 INFO L93 Difference]: Finished difference Result 55228 states and 57020 transitions. [2021-11-20 06:19:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:19:57,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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 853 [2021-11-20 06:19:57,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:57,941 INFO L225 Difference]: With dead ends: 55228 [2021-11-20 06:19:57,942 INFO L226 Difference]: Without dead ends: 27913 [2021-11-20 06:19:57,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:19:57,951 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 435 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:57,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 68 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-20 06:19:57,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27913 states. [2021-11-20 06:19:58,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27913 to 27614. [2021-11-20 06:19:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27614 states, 27613 states have (on average 1.0321949806250679) internal successors, (28502), 27613 states have internal predecessors, (28502), 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) [2021-11-20 06:19:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27614 states to 27614 states and 28502 transitions. [2021-11-20 06:19:58,269 INFO L78 Accepts]: Start accepts. Automaton has 27614 states and 28502 transitions. Word has length 853 [2021-11-20 06:19:58,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:58,270 INFO L470 AbstractCegarLoop]: Abstraction has 27614 states and 28502 transitions. [2021-11-20 06:19:58,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2021-11-20 06:19:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 27614 states and 28502 transitions. [2021-11-20 06:19:58,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2021-11-20 06:19:58,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:58,290 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:58,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 06:19:58,291 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:58,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:58,292 INFO L85 PathProgramCache]: Analyzing trace with hash -608480507, now seen corresponding path program 1 times [2021-11-20 06:19:58,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:58,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773610471] [2021-11-20 06:19:58,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:58,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1056 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-11-20 06:19:58,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:58,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773610471] [2021-11-20 06:19:58,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773610471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:58,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:58,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:19:58,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341749081] [2021-11-20 06:19:58,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:58,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:19:58,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:58,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:19:58,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:19:58,985 INFO L87 Difference]: Start difference. First operand 27614 states and 28502 transitions. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 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) [2021-11-20 06:20:01,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:01,042 INFO L93 Difference]: Finished difference Result 56124 states and 57954 transitions. [2021-11-20 06:20:01,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:20:01,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 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 878 [2021-11-20 06:20:01,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:01,073 INFO L225 Difference]: With dead ends: 56124 [2021-11-20 06:20:01,073 INFO L226 Difference]: Without dead ends: 28811 [2021-11-20 06:20:01,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:20:01,085 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 629 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:01,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [629 Valid, 420 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 06:20:01,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28811 states. [2021-11-20 06:20:01,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28811 to 27015. [2021-11-20 06:20:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27015 states, 27014 states have (on average 1.0269119715702968) internal successors, (27741), 27014 states have internal predecessors, (27741), 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) [2021-11-20 06:20:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27015 states to 27015 states and 27741 transitions. [2021-11-20 06:20:01,561 INFO L78 Accepts]: Start accepts. Automaton has 27015 states and 27741 transitions. Word has length 878 [2021-11-20 06:20:01,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:01,562 INFO L470 AbstractCegarLoop]: Abstraction has 27015 states and 27741 transitions. [2021-11-20 06:20:01,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 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) [2021-11-20 06:20:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 27015 states and 27741 transitions. [2021-11-20 06:20:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 936 [2021-11-20 06:20:01,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:01,590 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:01,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 06:20:01,591 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:20:01,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:01,592 INFO L85 PathProgramCache]: Analyzing trace with hash 891566358, now seen corresponding path program 1 times [2021-11-20 06:20:01,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:01,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883728491] [2021-11-20 06:20:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:01,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 911 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2021-11-20 06:20:02,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:02,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883728491] [2021-11-20 06:20:02,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883728491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:02,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:02,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:20:02,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177130025] [2021-11-20 06:20:02,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:02,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:20:02,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:02,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:20:02,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:20:02,030 INFO L87 Difference]: Start difference. First operand 27015 states and 27741 transitions. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2021-11-20 06:20:03,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:03,474 INFO L93 Difference]: Finished difference Result 54320 states and 55775 transitions. [2021-11-20 06:20:03,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:20:03,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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 935 [2021-11-20 06:20:03,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:03,501 INFO L225 Difference]: With dead ends: 54320 [2021-11-20 06:20:03,501 INFO L226 Difference]: Without dead ends: 27606 [2021-11-20 06:20:03,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:20:03,513 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 340 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:03,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 457 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 06:20:03,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27606 states. [2021-11-20 06:20:03,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27606 to 22817. [2021-11-20 06:20:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22817 states, 22816 states have (on average 1.0238867461430574) internal successors, (23361), 22816 states have internal predecessors, (23361), 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) [2021-11-20 06:20:03,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22817 states to 22817 states and 23361 transitions. [2021-11-20 06:20:03,796 INFO L78 Accepts]: Start accepts. Automaton has 22817 states and 23361 transitions. Word has length 935 [2021-11-20 06:20:03,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:03,797 INFO L470 AbstractCegarLoop]: Abstraction has 22817 states and 23361 transitions. [2021-11-20 06:20:03,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2021-11-20 06:20:03,798 INFO L276 IsEmpty]: Start isEmpty. Operand 22817 states and 23361 transitions. [2021-11-20 06:20:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2021-11-20 06:20:03,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:03,828 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:03,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 06:20:03,829 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:20:03,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:03,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1609967201, now seen corresponding path program 1 times [2021-11-20 06:20:03,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:03,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105748950] [2021-11-20 06:20:03,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:03,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2226 backedges. 1416 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2021-11-20 06:20:04,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:04,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105748950] [2021-11-20 06:20:04,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105748950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:04,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:04,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:20:04,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876134087] [2021-11-20 06:20:04,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:04,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:20:04,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:04,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:20:04,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:20:04,456 INFO L87 Difference]: Start difference. First operand 22817 states and 23361 transitions. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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) [2021-11-20 06:20:05,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:05,937 INFO L93 Difference]: Finished difference Result 38720 states and 39644 transitions. [2021-11-20 06:20:05,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:20:05,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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 1124 [2021-11-20 06:20:05,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:05,953 INFO L225 Difference]: With dead ends: 38720 [2021-11-20 06:20:05,953 INFO L226 Difference]: Without dead ends: 16204 [2021-11-20 06:20:05,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:20:05,963 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 248 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:05,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 76 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-20 06:20:05,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16204 states. [2021-11-20 06:20:06,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16204 to 14400. [2021-11-20 06:20:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14400 states, 14399 states have (on average 1.022640461143135) internal successors, (14725), 14399 states have internal predecessors, (14725), 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) [2021-11-20 06:20:06,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14400 states to 14400 states and 14725 transitions. [2021-11-20 06:20:06,143 INFO L78 Accepts]: Start accepts. Automaton has 14400 states and 14725 transitions. Word has length 1124 [2021-11-20 06:20:06,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:06,143 INFO L470 AbstractCegarLoop]: Abstraction has 14400 states and 14725 transitions. [2021-11-20 06:20:06,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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) [2021-11-20 06:20:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 14400 states and 14725 transitions. [2021-11-20 06:20:06,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1309 [2021-11-20 06:20:06,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:06,227 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:06,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 06:20:06,228 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:20:06,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:06,229 INFO L85 PathProgramCache]: Analyzing trace with hash -865096868, now seen corresponding path program 1 times [2021-11-20 06:20:06,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:06,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662954914] [2021-11-20 06:20:06,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:06,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1843 proven. 329 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-11-20 06:20:07,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:07,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662954914] [2021-11-20 06:20:07,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662954914] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:20:07,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449952618] [2021-11-20 06:20:07,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:07,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:20:07,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:20:07,024 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:20:07,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 06:20:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:07,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1502 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:20:07,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:20:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1663 proven. 42 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-11-20 06:20:10,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:20:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1574 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-11-20 06:20:12,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449952618] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:20:12,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:20:12,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 12 [2021-11-20 06:20:12,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273373963] [2021-11-20 06:20:12,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:12,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:20:12,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:12,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:20:12,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:20:12,739 INFO L87 Difference]: Start difference. First operand 14400 states and 14725 transitions. Second operand has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 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) [2021-11-20 06:20:15,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:15,164 INFO L93 Difference]: Finished difference Result 15908 states and 16252 transitions. [2021-11-20 06:20:15,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:20:15,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 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 1308 [2021-11-20 06:20:15,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:15,180 INFO L225 Difference]: With dead ends: 15908 [2021-11-20 06:20:15,180 INFO L226 Difference]: Without dead ends: 15607 [2021-11-20 06:20:15,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2620 GetRequests, 2610 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:20:15,183 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 930 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:15,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [930 Valid, 49 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 06:20:15,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15607 states. [2021-11-20 06:20:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15607 to 14101. [2021-11-20 06:20:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14101 states, 14100 states have (on average 1.022482269503546) internal successors, (14417), 14100 states have internal predecessors, (14417), 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) [2021-11-20 06:20:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14101 states to 14101 states and 14417 transitions. [2021-11-20 06:20:15,357 INFO L78 Accepts]: Start accepts. Automaton has 14101 states and 14417 transitions. Word has length 1308 [2021-11-20 06:20:15,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:15,358 INFO L470 AbstractCegarLoop]: Abstraction has 14101 states and 14417 transitions. [2021-11-20 06:20:15,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 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) [2021-11-20 06:20:15,358 INFO L276 IsEmpty]: Start isEmpty. Operand 14101 states and 14417 transitions. [2021-11-20 06:20:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1360 [2021-11-20 06:20:15,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:15,386 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:15,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:20:15,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-20 06:20:15,587 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:20:15,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:15,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2081669835, now seen corresponding path program 1 times [2021-11-20 06:20:15,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:15,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924140107] [2021-11-20 06:20:15,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:15,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 2047 proven. 354 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-11-20 06:20:16,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:16,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924140107] [2021-11-20 06:20:16,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924140107] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:20:16,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793459154] [2021-11-20 06:20:16,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:16,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:20:16,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:20:16,333 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:20:16,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 06:20:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:20:16,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:20:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 1892 proven. 42 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-11-20 06:20:20,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:20:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 1752 proven. 0 refuted. 0 times theorem prover too weak. 1380 trivial. 0 not checked. [2021-11-20 06:20:22,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793459154] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:20:22,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:20:22,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 12 [2021-11-20 06:20:22,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061297193] [2021-11-20 06:20:22,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:22,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:20:22,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:22,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:20:22,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:20:22,634 INFO L87 Difference]: Start difference. First operand 14101 states and 14417 transitions. Second operand has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 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) [2021-11-20 06:20:24,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:24,758 INFO L93 Difference]: Finished difference Result 15308 states and 15643 transitions. [2021-11-20 06:20:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:20:24,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 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 1359 [2021-11-20 06:20:24,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:24,761 INFO L225 Difference]: With dead ends: 15308 [2021-11-20 06:20:24,761 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:20:24,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2722 GetRequests, 2712 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:20:24,766 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 993 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1688 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 1844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:24,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [993 Valid, 51 Invalid, 1844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1688 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 06:20:24,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:20:24,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:20:24,768 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) [2021-11-20 06:20:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:20:24,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1359 [2021-11-20 06:20:24,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:24,769 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:20:24,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.2) internal successors, (536), 5 states have internal predecessors, (536), 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) [2021-11-20 06:20:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:20:24,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:20:24,772 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:20:24,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:20:24,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-20 06:20:24,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:20:57,635 WARN L227 SmtUtils]: Spent 32.64s on a formula simplification. DAG size of input: 851 DAG size of output: 811 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 06:21:35,148 WARN L227 SmtUtils]: Spent 37.51s on a formula simplification. DAG size of input: 867 DAG size of output: 819 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 06:22:12,471 WARN L227 SmtUtils]: Spent 37.32s on a formula simplification. DAG size of input: 867 DAG size of output: 819 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-20 06:22:21,832 WARN L227 SmtUtils]: Spent 9.35s on a formula simplification. DAG size of input: 811 DAG size of output: 167 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 06:22:30,111 WARN L227 SmtUtils]: Spent 8.27s on a formula simplification. DAG size of input: 819 DAG size of output: 160 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 06:22:39,262 WARN L227 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 819 DAG size of output: 160 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 06:22:39,266 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,267 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,267 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,267 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,267 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,267 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,268 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-11-20 06:22:39,268 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-11-20 06:22:39,268 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,268 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,268 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,269 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-20 06:22:39,269 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,269 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,269 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,269 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,270 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,270 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-20 06:22:39,270 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,270 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,270 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-11-20 06:22:39,271 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-11-20 06:22:39,271 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,271 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,271 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,271 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,271 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-20 06:22:39,272 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,272 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-11-20 06:22:39,272 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-11-20 06:22:39,272 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,272 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,273 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-11-20 06:22:39,273 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-11-20 06:22:39,273 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,273 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,273 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,274 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,274 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,274 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-20 06:22:39,274 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,274 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,275 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,275 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,275 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,275 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,275 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-20 06:22:39,275 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,276 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,276 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,276 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,276 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,276 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,277 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-20 06:22:39,277 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,277 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,277 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,277 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,278 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,278 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,278 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-20 06:22:39,278 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,278 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,278 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,279 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,279 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-11-20 06:22:39,279 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-11-20 06:22:39,279 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,279 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,280 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,280 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,280 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-20 06:22:39,280 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,280 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,281 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,281 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,281 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,281 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,281 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-11-20 06:22:39,281 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,282 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-11-20 06:22:39,282 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-11-20 06:22:39,282 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-11-20 06:22:39,282 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-20 06:22:39,282 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,283 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,283 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,283 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,283 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,283 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,284 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,284 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,284 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-20 06:22:39,284 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:22:39,284 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 149) no Hoare annotation was computed. [2021-11-20 06:22:39,285 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,285 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,285 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,285 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,285 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,286 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-20 06:22:39,286 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,286 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-11-20 06:22:39,286 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-11-20 06:22:39,286 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-11-20 06:22:39,287 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-11-20 06:22:39,287 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-11-20 06:22:39,287 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-11-20 06:22:39,287 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,287 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,287 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,288 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,288 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-11-20 06:22:39,288 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-11-20 06:22:39,288 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,288 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-20 06:22:39,289 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,289 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,289 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,289 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,289 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,290 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,290 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-20 06:22:39,290 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,290 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,290 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,291 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,291 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,291 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-11-20 06:22:39,291 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-11-20 06:22:39,291 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,291 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-20 06:22:39,292 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-11-20 06:22:39,292 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-11-20 06:22:39,292 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,292 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-11-20 06:22:39,292 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-11-20 06:22:39,293 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,293 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,293 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,293 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,293 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-20 06:22:39,294 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,294 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,294 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,294 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,294 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-11-20 06:22:39,294 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-11-20 06:22:39,295 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,295 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-20 06:22:39,295 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,295 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,295 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,296 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,296 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,296 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,296 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-20 06:22:39,296 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,297 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,297 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,297 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,297 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,297 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,297 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,298 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-20 06:22:39,298 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,298 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,298 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,298 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,299 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,299 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-20 06:22:39,299 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,299 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,299 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,300 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,300 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,300 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,300 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,300 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:22:39,301 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,301 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-11-20 06:22:39,301 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-11-20 06:22:39,301 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,301 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,301 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-20 06:22:39,302 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,302 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,302 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,302 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,302 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,303 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-20 06:22:39,303 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,303 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,303 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,303 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,304 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,304 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-20 06:22:39,304 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,304 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,304 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,304 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,305 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-20 06:22:39,305 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-20 06:22:39,305 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,305 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,305 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,306 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,306 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,306 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-11-20 06:22:39,306 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-11-20 06:22:39,306 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,307 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-20 06:22:39,307 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-20 06:22:39,307 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,307 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,307 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,307 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,308 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,308 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-11-20 06:22:39,308 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-11-20 06:22:39,308 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-11-20 06:22:39,308 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-11-20 06:22:39,309 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,309 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,309 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,309 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-20 06:22:39,309 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-20 06:22:39,310 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,310 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,310 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,310 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,310 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,311 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,311 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-11-20 06:22:39,311 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-11-20 06:22:39,311 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-20 06:22:39,311 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,311 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-20 06:22:39,312 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,312 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,312 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,312 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,312 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,313 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,313 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,313 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,313 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-20 06:22:39,313 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-20 06:22:39,314 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-11-20 06:22:39,314 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-11-20 06:22:39,314 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,314 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,314 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,315 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,315 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse23 (* ~a29~0 (- 1)))) (let ((.cse9 (div ~a29~0 5)) (.cse24 (+ ~a4~0 86)) (.cse2 (+ 98 ~a0~0)) (.cse29 (* 5 (div (+ .cse23 (- 384948)) 10))) (.cse27 (* ~a29~0 9)) (.cse28 (+ ~a29~0 127))) (let ((.cse11 (<= .cse28 0)) (.cse20 (<= (+ 366639 ~a0~0) 0)) (.cse16 (or (<= (+ 21 .cse29) 0) (= (mod (+ .cse27 2) 10) 0))) (.cse17 (<= (+ 16 .cse29) 0)) (.cse1 (= ~a2~0 1)) (.cse5 (< 43 ~a29~0)) (.cse18 (<= (+ ~a29~0 16) 0)) (.cse15 (<= .cse2 0)) (.cse13 (<= ~a29~0 96178)) (.cse25 (= ~a2~0 4)) (.cse19 (<= ~a29~0 41)) (.cse21 (= 3 ~a2~0)) (.cse3 (<= (+ ~a0~0 61) 0)) (.cse26 (<= (div (+ (- 315762) ~a29~0) 5) 109468)) (.cse14 (< 0 .cse24)) (.cse4 (<= (+ 104 ~a0~0) 0)) (.cse22 (<= .cse9 550000)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse10 (<= 0 .cse28)) (.cse12 (<= 5 ~a2~0)) (.cse8 (= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse7 (<= (div .cse27 10) 579663))) (or (and .cse0 .cse1 (< 0 .cse2) .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse7) (and .cse8 .cse0 (<= (div (+ 181102 (* .cse9 (- 1))) (- 5)) 109469) .cse3) (and .cse10 .cse0 .cse1 (<= 0 (+ 44 ~a0~0)) .cse11) (and .cse5 .cse0 .cse12 .cse13) (and .cse14 .cse5 .cse6 .cse15 .cse12 .cse7) (and .cse0 .cse12 .cse3) (and .cse6 .cse16 .cse17 .cse1 .cse18 .cse3) (and .cse6 .cse15 .cse1 .cse11) (and .cse19 .cse6 .cse20 .cse21) (and .cse14 .cse4 .cse22 .cse6 .cse8) (and .cse14 .cse6 .cse15 .cse7 .cse21) (and .cse14 .cse6 .cse12 .cse20 (<= (div (+ .cse23 (- 533325)) (- 5)) 550001)) (and .cse5 .cse0 .cse7 .cse21) (and .cse4 .cse5 .cse6 .cse12 .cse13) (and (<= (+ (div (+ .cse23 5) (- 5)) 38483) 0) .cse1 (<= .cse24 0) .cse3) (and .cse4 .cse6 .cse16 .cse17 .cse25 .cse18) (and .cse5 .cse0 .cse1 .cse3) (and .cse14 .cse19 .cse6 .cse10 .cse1) (and .cse14 .cse4 .cse6 .cse16 .cse17 .cse12 .cse18) (and .cse14 .cse4 .cse6 .cse1 .cse26) (and .cse0 .cse25 .cse13) (and .cse0 .cse1 (<= (+ ~a29~0 153400) 0)) (and .cse4 .cse6 .cse18 .cse21) (and .cse19 .cse0 .cse21) (and .cse5 .cse8 .cse15 .cse7) (and .cse0 .cse25 .cse3) (and .cse14 .cse6 .cse10 .cse15 .cse12 .cse13) (and .cse4 .cse6 .cse10 .cse12 .cse18) (and .cse14 .cse6 .cse8 .cse10 .cse15 .cse13) (and .cse14 .cse4 .cse6 .cse25 .cse7) (and .cse19 .cse10 .cse0 .cse12) (and .cse0 .cse21 .cse3 .cse26) (and .cse14 .cse4 .cse22 .cse6 .cse10 .cse12) (and .cse8 .cse0 .cse7))))) [2021-11-20 06:22:39,316 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-20 06:22:39,316 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-20 06:22:39,316 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,316 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,316 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,317 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,317 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,317 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,317 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,317 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-11-20 06:22:39,317 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,318 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-11-20 06:22:39,318 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-11-20 06:22:39,318 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,318 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-11-20 06:22:39,319 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-11-20 06:22:39,319 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-20 06:22:39,319 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-20 06:22:39,319 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,319 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,319 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,320 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,320 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,320 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-20 06:22:39,320 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-20 06:22:39,320 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,321 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-11-20 06:22:39,321 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-11-20 06:22:39,321 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,321 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,321 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:22:39,321 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,322 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,322 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,322 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,323 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse23 (* ~a29~0 (- 1)))) (let ((.cse9 (div ~a29~0 5)) (.cse26 (+ ~a4~0 86)) (.cse2 (+ 98 ~a0~0)) (.cse29 (* 5 (div (+ .cse23 (- 384948)) 10))) (.cse27 (* ~a29~0 9)) (.cse28 (+ ~a29~0 127))) (let ((.cse11 (<= .cse28 0)) (.cse20 (<= (+ 366639 ~a0~0) 0)) (.cse16 (or (<= (+ 21 .cse29) 0) (= (mod (+ .cse27 2) 10) 0))) (.cse17 (<= (+ 16 .cse29) 0)) (.cse5 (< 43 ~a29~0)) (.cse1 (= ~a2~0 1)) (.cse18 (<= (+ ~a29~0 16) 0)) (.cse15 (<= .cse2 0)) (.cse13 (<= ~a29~0 96178)) (.cse24 (= ~a2~0 4)) (.cse19 (<= ~a29~0 41)) (.cse21 (= 3 ~a2~0)) (.cse3 (<= (+ ~a0~0 61) 0)) (.cse25 (<= (div (+ (- 315762) ~a29~0) 5) 109468)) (.cse14 (< 0 .cse26)) (.cse4 (<= (+ 104 ~a0~0) 0)) (.cse22 (<= .cse9 550000)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse10 (<= 0 .cse28)) (.cse12 (<= 5 ~a2~0)) (.cse8 (= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse7 (<= (div .cse27 10) 579663))) (or (and .cse0 .cse1 (< 0 .cse2) .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse7) (and .cse8 .cse0 (<= (div (+ 181102 (* .cse9 (- 1))) (- 5)) 109469) .cse3) (and .cse10 .cse0 .cse1 (<= 0 (+ 44 ~a0~0)) .cse11) (and .cse5 .cse0 .cse12 .cse13) (and .cse14 .cse5 .cse6 .cse15 .cse12 .cse7) (and .cse0 .cse12 .cse3) (and .cse6 .cse16 .cse17 .cse1 .cse18 .cse3) (and .cse6 .cse15 .cse1 .cse11) (and .cse19 .cse6 .cse20 .cse21) (and .cse14 .cse4 .cse22 .cse6 .cse8) (and .cse14 .cse6 .cse15 .cse7 .cse21) (and .cse14 .cse6 .cse12 .cse20 (<= (div (+ .cse23 (- 533325)) (- 5)) 550001)) (and .cse5 .cse0 .cse7 .cse21) (and .cse4 .cse5 .cse6 .cse12 .cse13) (and .cse4 .cse6 .cse16 .cse17 .cse24 .cse18) (and .cse5 .cse0 .cse1 .cse3) (and .cse14 .cse19 .cse6 .cse10 .cse1) (and .cse14 .cse4 .cse6 .cse16 .cse17 .cse12 .cse18) (and .cse14 .cse4 .cse6 .cse1 .cse25) (and .cse0 .cse24 .cse13) (and .cse4 .cse6 .cse18 .cse21) (and .cse19 .cse0 .cse21) (and .cse5 .cse8 .cse15 .cse7) (and .cse0 .cse24 .cse3) (and .cse1 (<= .cse26 0) (<= (+ ~a29~0 144) 0)) (and .cse14 .cse6 .cse10 .cse15 .cse12 .cse13) (and .cse4 .cse6 .cse10 .cse12 .cse18) (and .cse14 .cse6 .cse8 .cse10 .cse15 .cse13) (and .cse14 .cse4 .cse6 .cse24 .cse7) (and .cse19 .cse10 .cse0 .cse12) (and .cse0 .cse21 .cse3 .cse25) (and .cse14 .cse4 .cse22 .cse6 .cse10 .cse12) (and .cse8 .cse0 .cse7))))) [2021-11-20 06:22:39,323 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,323 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-20 06:22:39,323 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-20 06:22:39,323 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,324 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,324 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,324 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,324 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,324 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,324 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-20 06:22:39,325 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-20 06:22:39,325 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,325 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,325 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-11-20 06:22:39,325 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,326 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,326 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,326 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,326 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,326 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,326 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-20 06:22:39,327 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-20 06:22:39,327 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,327 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,327 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,327 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,328 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,328 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,328 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-20 06:22:39,328 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,328 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-20 06:22:39,329 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,329 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,329 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,329 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,329 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,329 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,330 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,330 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-20 06:22:39,330 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-20 06:22:39,330 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,330 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,331 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,331 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,331 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,331 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,331 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,331 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-20 06:22:39,332 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-20 06:22:39,332 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,332 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,332 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,332 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,333 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,333 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,333 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,333 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-11-20 06:22:39,333 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-11-20 06:22:39,333 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,334 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-20 06:22:39,334 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-20 06:22:39,334 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,334 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,334 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,335 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,335 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,335 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,335 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse23 (* ~a29~0 (- 1)))) (let ((.cse9 (div ~a29~0 5)) (.cse26 (+ ~a4~0 86)) (.cse2 (+ 98 ~a0~0)) (.cse29 (* 5 (div (+ .cse23 (- 384948)) 10))) (.cse27 (* ~a29~0 9)) (.cse28 (+ ~a29~0 127))) (let ((.cse11 (<= .cse28 0)) (.cse20 (<= (+ 366639 ~a0~0) 0)) (.cse16 (or (<= (+ 21 .cse29) 0) (= (mod (+ .cse27 2) 10) 0))) (.cse17 (<= (+ 16 .cse29) 0)) (.cse5 (< 43 ~a29~0)) (.cse1 (= ~a2~0 1)) (.cse18 (<= (+ ~a29~0 16) 0)) (.cse15 (<= .cse2 0)) (.cse13 (<= ~a29~0 96178)) (.cse24 (= ~a2~0 4)) (.cse19 (<= ~a29~0 41)) (.cse21 (= 3 ~a2~0)) (.cse3 (<= (+ ~a0~0 61) 0)) (.cse25 (<= (div (+ (- 315762) ~a29~0) 5) 109468)) (.cse14 (< 0 .cse26)) (.cse4 (<= (+ 104 ~a0~0) 0)) (.cse22 (<= .cse9 550000)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse10 (<= 0 .cse28)) (.cse12 (<= 5 ~a2~0)) (.cse8 (= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse7 (<= (div .cse27 10) 579663))) (or (and .cse0 .cse1 (< 0 .cse2) .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse7) (and .cse8 .cse0 (<= (div (+ 181102 (* .cse9 (- 1))) (- 5)) 109469) .cse3) (and .cse10 .cse0 .cse1 (<= 0 (+ 44 ~a0~0)) .cse11) (and .cse5 .cse0 .cse12 .cse13) (and .cse14 .cse5 .cse6 .cse15 .cse12 .cse7) (and .cse0 .cse12 .cse3) (and .cse6 .cse16 .cse17 .cse1 .cse18 .cse3) (and .cse6 .cse15 .cse1 .cse11) (and .cse19 .cse6 .cse20 .cse21) (and .cse14 .cse4 .cse22 .cse6 .cse8) (and .cse14 .cse6 .cse15 .cse7 .cse21) (and .cse14 .cse6 .cse12 .cse20 (<= (div (+ .cse23 (- 533325)) (- 5)) 550001)) (and .cse5 .cse0 .cse7 .cse21) (and .cse4 .cse5 .cse6 .cse12 .cse13) (and .cse4 .cse6 .cse16 .cse17 .cse24 .cse18) (and .cse5 .cse0 .cse1 .cse3) (and .cse14 .cse19 .cse6 .cse10 .cse1) (and .cse14 .cse4 .cse6 .cse16 .cse17 .cse12 .cse18) (and .cse14 .cse4 .cse6 .cse1 .cse25) (and .cse0 .cse24 .cse13) (and .cse4 .cse6 .cse18 .cse21) (and .cse19 .cse0 .cse21) (and .cse5 .cse8 .cse15 .cse7) (and .cse0 .cse24 .cse3) (and .cse1 (<= .cse26 0) (<= (+ ~a29~0 144) 0)) (and .cse14 .cse6 .cse10 .cse15 .cse12 .cse13) (and .cse4 .cse6 .cse10 .cse12 .cse18) (and .cse14 .cse6 .cse8 .cse10 .cse15 .cse13) (and .cse14 .cse4 .cse6 .cse24 .cse7) (and .cse19 .cse10 .cse0 .cse12) (and .cse0 .cse21 .cse3 .cse25) (and .cse14 .cse4 .cse22 .cse6 .cse10 .cse12) (and .cse8 .cse0 .cse7))))) [2021-11-20 06:22:39,336 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-20 06:22:39,336 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-20 06:22:39,336 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,336 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,336 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,337 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,337 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,337 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,337 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,337 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,338 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-20 06:22:39,338 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-20 06:22:39,338 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,338 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-11-20 06:22:39,338 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-11-20 06:22:39,339 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,339 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,339 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,339 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,339 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,339 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,340 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:22:39,340 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-20 06:22:39,340 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,340 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,340 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,341 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,341 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-11-20 06:22:39,341 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-11-20 06:22:39,341 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-11-20 06:22:39,341 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,341 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-11-20 06:22:39,342 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-20 06:22:39,342 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,342 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,342 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,342 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,343 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,343 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,343 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,343 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-20 06:22:39,343 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,343 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,344 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,344 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,344 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-20 06:22:39,344 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,344 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,345 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-11-20 06:22:39,345 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,345 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,345 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,345 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,345 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,346 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,346 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,346 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-11-20 06:22:39,346 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-11-20 06:22:39,346 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,346 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-20 06:22:39,347 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,347 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-11-20 06:22:39,347 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,347 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-20 06:22:39,347 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-11-20 06:22:39,351 INFO L732 BasicCegarLoop]: Path program 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] [2021-11-20 06:22:39,353 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:22:39,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:22:39 BoogieIcfgContainer [2021-11-20 06:22:39,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:22:39,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:22:39,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:22:39,409 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:22:39,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:35" (3/4) ... [2021-11-20 06:22:39,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:22:39,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-20 06:22:39,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 06:22:39,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 06:22:39,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:22:39,762 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:22:39,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:22:39,763 INFO L158 Benchmark]: Toolchain (without parser) took 311310.00ms. Allocated memory was 96.5MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 50.9MB in the beginning and 3.7GB in the end (delta: -3.7GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-20 06:22:39,763 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 96.5MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:22:39,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.92ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 74.1MB in the beginning and 86.9MB in the end (delta: -12.8MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 265.44ms. Allocated memory is still 121.6MB. Free memory was 86.9MB in the beginning and 49.7MB in the end (delta: 37.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,764 INFO L158 Benchmark]: Boogie Preprocessor took 444.70ms. Allocated memory is still 121.6MB. Free memory was 49.7MB in the beginning and 55.0MB in the end (delta: -5.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,765 INFO L158 Benchmark]: RCFGBuilder took 4307.60ms. Allocated memory was 121.6MB in the beginning and 306.2MB in the end (delta: 184.5MB). Free memory was 54.6MB in the beginning and 240.6MB in the end (delta: -186.0MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,766 INFO L158 Benchmark]: TraceAbstraction took 304386.88ms. Allocated memory was 306.2MB in the beginning and 7.5GB in the end (delta: 7.2GB). Free memory was 239.5MB in the beginning and 3.8GB in the end (delta: -3.5GB). Peak memory consumption was 5.9GB. Max. memory is 16.1GB. [2021-11-20 06:22:39,766 INFO L158 Benchmark]: Witness Printer took 353.24ms. Allocated memory is still 7.5GB. Free memory was 3.8GB in the beginning and 3.7GB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 96.5MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.92ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 74.1MB in the beginning and 86.9MB in the end (delta: -12.8MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 265.44ms. Allocated memory is still 121.6MB. Free memory was 86.9MB in the beginning and 49.7MB in the end (delta: 37.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 444.70ms. Allocated memory is still 121.6MB. Free memory was 49.7MB in the beginning and 55.0MB in the end (delta: -5.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4307.60ms. Allocated memory was 121.6MB in the beginning and 306.2MB in the end (delta: 184.5MB). Free memory was 54.6MB in the beginning and 240.6MB in the end (delta: -186.0MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * TraceAbstraction took 304386.88ms. Allocated memory was 306.2MB in the beginning and 7.5GB in the end (delta: 7.2GB). Free memory was 239.5MB in the beginning and 3.8GB in the end (delta: -3.5GB). Peak memory consumption was 5.9GB. Max. memory is 16.1GB. * Witness Printer took 353.24ms. Allocated memory is still 7.5GB. Free memory was 3.8GB in the beginning and 3.7GB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 149]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 304.2s, OverallIterations: 25, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, AutomataDifference: 93.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 134.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18366 SdHoareTripleChecker+Valid, 85.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18366 mSDsluCounter, 8550 SdHoareTripleChecker+Invalid, 73.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 338 IncrementalHoareTripleChecker+Unchecked, 1254 mSDsCounter, 9763 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38669 IncrementalHoareTripleChecker+Invalid, 48770 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9763 mSolverCounterUnsat, 7296 mSDtfsCounter, 38669 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12981 GetRequests, 12864 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54853occurred in iteration=17, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 11.2s AutomataMinimizationTime, 25 MinimizatonAttempts, 79294 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 403 NumberOfFragments, 2474 HoareAnnotationTreeSize, 4 FomulaSimplifications, 169911 FormulaSimplificationTreeSizeReduction, 107.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1067867 FormulaSimplificationTreeSizeReductionInter, 26.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 55.1s InterpolantComputationTime, 21709 NumberOfCodeBlocks, 21709 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 27242 ConstructedInterpolants, 282 QuantifiedInterpolants, 119252 SizeOfPredicates, 7 NumberOfNonLiveVariables, 8886 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 42 InterpolantComputations, 23 PerfectInterpolantSequences, 38693/42113 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 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((89 + a4 <= 0 && a2 == 1) && 0 < 98 + a0) && a0 + 61 <= 0) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && a2 == 1) && a29 * 9 / 10 <= 579663)) || (((2 == a2 && 89 + a4 <= 0) && (181102 + a29 / 5 * -1) / -5 <= 109469) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((43 < a29 && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a29 * 9 / 10 <= 579663)) || ((89 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || (((((42 + a4 <= 0 && (21 + 5 * ((a29 * -1 + -384948) / 10) <= 0 || (a29 * 9 + 2) % 10 == 0)) && 16 + 5 * ((a29 * -1 + -384948) / 10) <= 0) && a2 == 1) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && a29 + 127 <= 0)) || (((a29 <= 41 && 42 + a4 <= 0) && 366639 + a0 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && a29 / 5 <= 550000) && 42 + a4 <= 0) && 2 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 * 9 / 10 <= 579663) && 3 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && 366639 + a0 <= 0) && (a29 * -1 + -533325) / -5 <= 550001)) || (((43 < a29 && 89 + a4 <= 0) && a29 * 9 / 10 <= 579663) && 3 == a2)) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((a29 * -1 + 5) / -5 + 38483 <= 0 && a2 == 1) && a4 + 86 <= 0) && a0 + 61 <= 0)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && (21 + 5 * ((a29 * -1 + -384948) / 10) <= 0 || (a29 * 9 + 2) % 10 == 0)) && 16 + 5 * ((a29 * -1 + -384948) / 10) <= 0) && a2 == 4) && a29 + 16 <= 0)) || (((43 < a29 && 89 + a4 <= 0) && a2 == 1) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 127) && a2 == 1)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && (21 + 5 * ((a29 * -1 + -384948) / 10) <= 0 || (a29 * 9 + 2) % 10 == 0)) && 16 + 5 * ((a29 * -1 + -384948) / 10) <= 0) && 5 <= a2) && a29 + 16 <= 0)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a2 == 1) && (-315762 + a29) / 5 <= 109468)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 96178)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 153400 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 16 <= 0) && 3 == a2)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a29 * 9 / 10 <= 579663)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 127) && 98 + a0 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= a29 + 127) && 5 <= a2) && a29 + 16 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0) && a29 <= 96178)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && a29 * 9 / 10 <= 579663)) || (((a29 <= 41 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2)) || (((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0) && (-315762 + a29) / 5 <= 109468)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && a29 / 5 <= 550000) && 42 + a4 <= 0) && 0 <= a29 + 127) && 5 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && a29 * 9 / 10 <= 579663) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((89 + a4 <= 0 && a2 == 1) && 0 < 98 + a0) && a0 + 61 <= 0) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && a2 == 1) && a29 * 9 / 10 <= 579663)) || (((2 == a2 && 89 + a4 <= 0) && (181102 + a29 / 5 * -1) / -5 <= 109469) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((43 < a29 && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a29 * 9 / 10 <= 579663)) || ((89 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || (((((42 + a4 <= 0 && (21 + 5 * ((a29 * -1 + -384948) / 10) <= 0 || (a29 * 9 + 2) % 10 == 0)) && 16 + 5 * ((a29 * -1 + -384948) / 10) <= 0) && a2 == 1) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && a29 + 127 <= 0)) || (((a29 <= 41 && 42 + a4 <= 0) && 366639 + a0 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && a29 / 5 <= 550000) && 42 + a4 <= 0) && 2 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 * 9 / 10 <= 579663) && 3 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && 366639 + a0 <= 0) && (a29 * -1 + -533325) / -5 <= 550001)) || (((43 < a29 && 89 + a4 <= 0) && a29 * 9 / 10 <= 579663) && 3 == a2)) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && (21 + 5 * ((a29 * -1 + -384948) / 10) <= 0 || (a29 * 9 + 2) % 10 == 0)) && 16 + 5 * ((a29 * -1 + -384948) / 10) <= 0) && a2 == 4) && a29 + 16 <= 0)) || (((43 < a29 && 89 + a4 <= 0) && a2 == 1) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 127) && a2 == 1)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && (21 + 5 * ((a29 * -1 + -384948) / 10) <= 0 || (a29 * 9 + 2) % 10 == 0)) && 16 + 5 * ((a29 * -1 + -384948) / 10) <= 0) && 5 <= a2) && a29 + 16 <= 0)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a2 == 1) && (-315762 + a29) / 5 <= 109468)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 96178)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 16 <= 0) && 3 == a2)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a29 * 9 / 10 <= 579663)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 127) && 98 + a0 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= a29 + 127) && 5 <= a2) && a29 + 16 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0) && a29 <= 96178)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && a29 * 9 / 10 <= 579663)) || (((a29 <= 41 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2)) || (((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0) && (-315762 + a29) / 5 <= 109468)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && a29 / 5 <= 550000) && 42 + a4 <= 0) && 0 <= a29 + 127) && 5 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && a29 * 9 / 10 <= 579663) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((89 + a4 <= 0 && a2 == 1) && 0 < 98 + a0) && a0 + 61 <= 0) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && a2 == 1) && a29 * 9 / 10 <= 579663)) || (((2 == a2 && 89 + a4 <= 0) && (181102 + a29 / 5 * -1) / -5 <= 109469) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((43 < a29 && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a29 * 9 / 10 <= 579663)) || ((89 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || (((((42 + a4 <= 0 && (21 + 5 * ((a29 * -1 + -384948) / 10) <= 0 || (a29 * 9 + 2) % 10 == 0)) && 16 + 5 * ((a29 * -1 + -384948) / 10) <= 0) && a2 == 1) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && a29 + 127 <= 0)) || (((a29 <= 41 && 42 + a4 <= 0) && 366639 + a0 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && a29 / 5 <= 550000) && 42 + a4 <= 0) && 2 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 * 9 / 10 <= 579663) && 3 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && 366639 + a0 <= 0) && (a29 * -1 + -533325) / -5 <= 550001)) || (((43 < a29 && 89 + a4 <= 0) && a29 * 9 / 10 <= 579663) && 3 == a2)) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((((104 + a0 <= 0 && 42 + a4 <= 0) && (21 + 5 * ((a29 * -1 + -384948) / 10) <= 0 || (a29 * 9 + 2) % 10 == 0)) && 16 + 5 * ((a29 * -1 + -384948) / 10) <= 0) && a2 == 4) && a29 + 16 <= 0)) || (((43 < a29 && 89 + a4 <= 0) && a2 == 1) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 127) && a2 == 1)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && (21 + 5 * ((a29 * -1 + -384948) / 10) <= 0 || (a29 * 9 + 2) % 10 == 0)) && 16 + 5 * ((a29 * -1 + -384948) / 10) <= 0) && 5 <= a2) && a29 + 16 <= 0)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a2 == 1) && (-315762 + a29) / 5 <= 109468)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 96178)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 16 <= 0) && 3 == a2)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a29 * 9 / 10 <= 579663)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 127) && 98 + a0 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= a29 + 127) && 5 <= a2) && a29 + 16 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0) && a29 <= 96178)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) && a29 * 9 / 10 <= 579663)) || (((a29 <= 41 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2)) || (((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0) && (-315762 + a29) / 5 <= 109468)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && a29 / 5 <= 550000) && 42 + a4 <= 0) && 0 <= a29 + 127) && 5 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && a29 * 9 / 10 <= 579663) RESULT: Ultimate proved your program to be correct! [2021-11-20 06:22:39,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb211421-d669-4de7-8bab-7f3fadfc01a0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE