./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label21.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_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/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_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/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_5f1be11a-4129-4040-9bfd-5791f650be6c/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 bea3a17da0b1932fc7b290403d6dfcc330ef29e22495436fce924ca0a1d74af7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:32:06,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:32:06,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:32:06,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:32:06,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:32:06,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:32:06,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:32:06,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:32:06,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:32:06,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:32:06,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:32:06,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:32:06,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:32:06,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:32:06,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:32:06,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:32:06,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:32:06,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:32:06,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:32:06,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:32:06,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:32:06,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:32:06,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:32:06,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:32:06,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:32:06,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:32:06,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:32:06,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:32:06,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:32:06,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:32:06,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:32:06,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:32:06,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:32:06,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:32:06,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:32:06,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:32:06,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:32:06,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:32:06,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:32:06,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:32:06,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:32:06,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:32:06,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:32:06,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:32:06,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:32:06,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:32:06,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:32:06,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:32:06,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:32:06,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:32:06,770 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:32:06,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:32:06,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:32:06,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:32:06,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:32:06,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:32:06,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:32:06,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:32:06,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:32:06,773 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:32:06,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:32:06,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:32:06,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:32:06,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:32:06,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:32:06,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:32:06,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:32:06,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:32:06,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:32:06,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:32:06,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:32:06,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:32:06,776 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:32:06,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:32:06,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:32:06,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:32:06,776 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_5f1be11a-4129-4040-9bfd-5791f650be6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bea3a17da0b1932fc7b290403d6dfcc330ef29e22495436fce924ca0a1d74af7 [2021-11-20 06:32:07,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:32:07,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:32:07,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:32:07,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:32:07,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:32:07,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2021-11-20 06:32:07,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/data/d319c14c0/edac7fb3a03d4a1180a75b9f3d7531d7/FLAGeeb6c608d [2021-11-20 06:32:07,834 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:32:07,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2021-11-20 06:32:07,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/data/d319c14c0/edac7fb3a03d4a1180a75b9f3d7531d7/FLAGeeb6c608d [2021-11-20 06:32:08,056 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/data/d319c14c0/edac7fb3a03d4a1180a75b9f3d7531d7 [2021-11-20 06:32:08,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:32:08,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:32:08,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:32:08,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:32:08,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:32:08,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b83e1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08, skipping insertion in model container [2021-11-20 06:32:08,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:32:08,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:32:08,486 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_5f1be11a-4129-4040-9bfd-5791f650be6c/sv-benchmarks/c/eca-rers2012/Problem02_label21.c[16331,16344] [2021-11-20 06:32:08,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:32:08,550 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:32:08,665 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_5f1be11a-4129-4040-9bfd-5791f650be6c/sv-benchmarks/c/eca-rers2012/Problem02_label21.c[16331,16344] [2021-11-20 06:32:08,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:32:08,716 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:32:08,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08 WrapperNode [2021-11-20 06:32:08,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:32:08,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:32:08,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:32:08,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:32:08,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,814 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-11-20 06:32:08,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:32:08,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:32:08,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:32:08,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:32:08,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:32:08,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:32:08,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:32:08,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:32:08,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (1/1) ... [2021-11-20 06:32:08,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:32:08,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:32:08,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:32:08,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:32:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:32:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:32:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:32:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:32:09,058 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:32:09,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:32:10,069 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:32:10,081 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:32:10,081 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:32:10,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:32:10 BoogieIcfgContainer [2021-11-20 06:32:10,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:32:10,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:32:10,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:32:10,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:32:10,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:32:08" (1/3) ... [2021-11-20 06:32:10,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a32af6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:32:10, skipping insertion in model container [2021-11-20 06:32:10,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:32:08" (2/3) ... [2021-11-20 06:32:10,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a32af6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:32:10, skipping insertion in model container [2021-11-20 06:32:10,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:32:10" (3/3) ... [2021-11-20 06:32:10,095 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label21.c [2021-11-20 06:32:10,100 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:32:10,101 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:32:10,166 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:32:10,175 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 06:32:10,175 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:32:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 06:32:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-20 06:32:10,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:32:10,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:10,214 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:32:10,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:32:10,219 INFO L85 PathProgramCache]: Analyzing trace with hash 91008837, now seen corresponding path program 1 times [2021-11-20 06:32:10,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:32:10,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220180105] [2021-11-20 06:32:10,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:32:10,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:32:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:32:10,717 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 06:32:10,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:32:10,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220180105] [2021-11-20 06:32:10,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220180105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:32:10,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:32:10,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:32:10,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136367278] [2021-11-20 06:32:10,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:32:10,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:32:10,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:32:10,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:32:10,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:32:10,761 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 32.0) internal successors, (96), 2 states have internal predecessors, (96), 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 06:32:11,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:32:11,504 INFO L93 Difference]: Finished difference Result 600 states and 1037 transitions. [2021-11-20 06:32:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:32:11,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 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 96 [2021-11-20 06:32:11,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:32:11,531 INFO L225 Difference]: With dead ends: 600 [2021-11-20 06:32:11,531 INFO L226 Difference]: Without dead ends: 309 [2021-11-20 06:32:11,536 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 06:32:11,539 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 70 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:32:11,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 171 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 06:32:11,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-11-20 06:32:11,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2021-11-20 06:32:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 306 states have (on average 1.3300653594771241) internal successors, (407), 306 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 06:32:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2021-11-20 06:32:11,595 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 96 [2021-11-20 06:32:11,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:32:11,596 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2021-11-20 06:32:11,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 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 06:32:11,597 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2021-11-20 06:32:11,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-20 06:32:11,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:32:11,602 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 06:32:11,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:32:11,603 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:32:11,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:32:11,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1733098064, now seen corresponding path program 1 times [2021-11-20 06:32:11,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:32:11,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675742575] [2021-11-20 06:32:11,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:32:11,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:32:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:32:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:32:11,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:32:11,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675742575] [2021-11-20 06:32:11,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675742575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:32:11,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:32:11,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:32:11,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801205834] [2021-11-20 06:32:11,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:32:11,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:32:11,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:32:11,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:32:11,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:32:11,715 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 06:32:12,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:32:12,188 INFO L93 Difference]: Finished difference Result 758 states and 1034 transitions. [2021-11-20 06:32:12,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:32:12,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 101 [2021-11-20 06:32:12,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:32:12,193 INFO L225 Difference]: With dead ends: 758 [2021-11-20 06:32:12,193 INFO L226 Difference]: Without dead ends: 453 [2021-11-20 06:32:12,195 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 06:32:12,196 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 68 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:32:12,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 248 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:32:12,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-11-20 06:32:12,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2021-11-20 06:32:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 452 states have (on average 1.2787610619469028) internal successors, (578), 452 states have internal predecessors, (578), 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 06:32:12,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 578 transitions. [2021-11-20 06:32:12,228 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 578 transitions. Word has length 101 [2021-11-20 06:32:12,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:32:12,229 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 578 transitions. [2021-11-20 06:32:12,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 06:32:12,229 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 578 transitions. [2021-11-20 06:32:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-20 06:32:12,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:32:12,236 INFO L514 BasicCegarLoop]: trace histogram [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 06:32:12,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:32:12,236 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:32:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:32:12,237 INFO L85 PathProgramCache]: Analyzing trace with hash -2117303019, now seen corresponding path program 1 times [2021-11-20 06:32:12,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:32:12,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658944207] [2021-11-20 06:32:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:32:12,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:32:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:32:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:32:12,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:32:12,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658944207] [2021-11-20 06:32:12,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658944207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:32:12,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:32:12,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:32:12,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153930724] [2021-11-20 06:32:12,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:32:12,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:32:12,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:32:12,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:32:12,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:32:12,342 INFO L87 Difference]: Start difference. First operand 453 states and 578 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 06:32:12,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:32:12,808 INFO L93 Difference]: Finished difference Result 1325 states and 1691 transitions. [2021-11-20 06:32:12,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:32:12,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 113 [2021-11-20 06:32:12,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:32:12,814 INFO L225 Difference]: With dead ends: 1325 [2021-11-20 06:32:12,815 INFO L226 Difference]: Without dead ends: 874 [2021-11-20 06:32:12,816 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 06:32:12,818 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 185 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:32:12,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 79 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:32:12,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-11-20 06:32:12,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2021-11-20 06:32:12,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 873 states have (on average 1.2302405498281788) internal successors, (1074), 873 states have internal predecessors, (1074), 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 06:32:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1074 transitions. [2021-11-20 06:32:12,870 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1074 transitions. Word has length 113 [2021-11-20 06:32:12,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:32:12,870 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1074 transitions. [2021-11-20 06:32:12,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 06:32:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1074 transitions. [2021-11-20 06:32:12,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-20 06:32:12,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:32:12,881 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:12,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:32:12,881 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:32:12,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:32:12,882 INFO L85 PathProgramCache]: Analyzing trace with hash 418637160, now seen corresponding path program 1 times [2021-11-20 06:32:12,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:32:12,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43443990] [2021-11-20 06:32:12,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:32:12,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:32:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:32:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:32:13,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:32:13,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43443990] [2021-11-20 06:32:13,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43443990] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:32:13,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:32:13,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:32:13,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914732] [2021-11-20 06:32:13,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:32:13,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:32:13,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:32:13,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:32:13,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:32:13,055 INFO L87 Difference]: Start difference. First operand 874 states and 1074 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 06:32:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:32:13,548 INFO L93 Difference]: Finished difference Result 2027 states and 2555 transitions. [2021-11-20 06:32:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:32:13,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 126 [2021-11-20 06:32:13,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:32:13,560 INFO L225 Difference]: With dead ends: 2027 [2021-11-20 06:32:13,560 INFO L226 Difference]: Without dead ends: 1155 [2021-11-20 06:32:13,561 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 06:32:13,563 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 78 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:32:13,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 226 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 06:32:13,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2021-11-20 06:32:13,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1154. [2021-11-20 06:32:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.2437120555073722) internal successors, (1434), 1153 states have internal predecessors, (1434), 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 06:32:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1434 transitions. [2021-11-20 06:32:13,597 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1434 transitions. Word has length 126 [2021-11-20 06:32:13,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:32:13,598 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 1434 transitions. [2021-11-20 06:32:13,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 06:32:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1434 transitions. [2021-11-20 06:32:13,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-20 06:32:13,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:32:13,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:13,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:32:13,602 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:32:13,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:32:13,603 INFO L85 PathProgramCache]: Analyzing trace with hash -107832637, now seen corresponding path program 1 times [2021-11-20 06:32:13,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:32:13,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925122028] [2021-11-20 06:32:13,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:32:13,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:32:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:32:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:32:13,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:32:13,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925122028] [2021-11-20 06:32:13,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925122028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:32:13,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:32:13,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:32:13,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149248074] [2021-11-20 06:32:13,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:32:13,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:32:13,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:32:13,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:32:13,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:32:13,659 INFO L87 Difference]: Start difference. First operand 1154 states and 1434 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 2 states have internal predecessors, (129), 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 06:32:13,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:32:13,925 INFO L93 Difference]: Finished difference Result 2295 states and 2852 transitions. [2021-11-20 06:32:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:32:13,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 2 states have internal predecessors, (129), 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 129 [2021-11-20 06:32:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:32:13,932 INFO L225 Difference]: With dead ends: 2295 [2021-11-20 06:32:13,933 INFO L226 Difference]: Without dead ends: 1143 [2021-11-20 06:32:13,935 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 06:32:13,942 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 181 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:32:13,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 23 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:32:13,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2021-11-20 06:32:13,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1143. [2021-11-20 06:32:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1142 states have (on average 1.1996497373029773) internal successors, (1370), 1142 states have internal predecessors, (1370), 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 06:32:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1370 transitions. [2021-11-20 06:32:13,990 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1370 transitions. Word has length 129 [2021-11-20 06:32:13,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:32:13,991 INFO L470 AbstractCegarLoop]: Abstraction has 1143 states and 1370 transitions. [2021-11-20 06:32:13,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 2 states have internal predecessors, (129), 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 06:32:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1370 transitions. [2021-11-20 06:32:14,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-20 06:32:14,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:32:14,003 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:14,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:32:14,005 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:32:14,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:32:14,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1248872639, now seen corresponding path program 1 times [2021-11-20 06:32:14,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:32:14,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540084895] [2021-11-20 06:32:14,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:32:14,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:32:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:32:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-20 06:32:14,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:32:14,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540084895] [2021-11-20 06:32:14,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540084895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:32:14,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:32:14,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:32:14,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910699327] [2021-11-20 06:32:14,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:32:14,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:32:14,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:32:14,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:32:14,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:32:14,118 INFO L87 Difference]: Start difference. First operand 1143 states and 1370 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 06:32:14,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:32:14,535 INFO L93 Difference]: Finished difference Result 3128 states and 3710 transitions. [2021-11-20 06:32:14,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:32:14,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 06:32:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:32:14,546 INFO L225 Difference]: With dead ends: 3128 [2021-11-20 06:32:14,547 INFO L226 Difference]: Without dead ends: 1987 [2021-11-20 06:32:14,549 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 06:32:14,550 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 140 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:32:14,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 88 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:32:14,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2021-11-20 06:32:14,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1704. [2021-11-20 06:32:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1703 states have (on average 1.171462125660599) internal successors, (1995), 1703 states have internal predecessors, (1995), 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 06:32:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 1995 transitions. [2021-11-20 06:32:14,599 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 1995 transitions. Word has length 135 [2021-11-20 06:32:14,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:32:14,599 INFO L470 AbstractCegarLoop]: Abstraction has 1704 states and 1995 transitions. [2021-11-20 06:32:14,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 06:32:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 1995 transitions. [2021-11-20 06:32:14,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-20 06:32:14,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:32:14,604 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, 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] [2021-11-20 06:32:14,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:32:14,604 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:32:14,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:32:14,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1895095409, now seen corresponding path program 1 times [2021-11-20 06:32:14,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:32:14,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141482003] [2021-11-20 06:32:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:32:14,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:32:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:32:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-20 06:32:14,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:32:14,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141482003] [2021-11-20 06:32:14,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141482003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:32:14,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:32:14,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:32:14,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530244314] [2021-11-20 06:32:14,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:32:14,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:32:14,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:32:14,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:32:14,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:32:14,701 INFO L87 Difference]: Start difference. First operand 1704 states and 1995 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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 06:32:15,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:32:15,148 INFO L93 Difference]: Finished difference Result 3683 states and 4281 transitions. [2021-11-20 06:32:15,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:32:15,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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 149 [2021-11-20 06:32:15,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:32:15,150 INFO L225 Difference]: With dead ends: 3683 [2021-11-20 06:32:15,150 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:32:15,157 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 06:32:15,159 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 105 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:32:15,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 37 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:32:15,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:32:15,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:32:15,160 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 06:32:15,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:32:15,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2021-11-20 06:32:15,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:32:15,161 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:32:15,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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 06:32:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:32:15,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:32:15,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:32:15,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:32:15,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:32:15,404 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,404 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,404 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,405 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-11-20 06:32:15,405 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-11-20 06:32:15,405 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-11-20 06:32:15,405 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-11-20 06:32:15,405 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-11-20 06:32:15,405 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-11-20 06:32:15,405 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-11-20 06:32:15,405 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-11-20 06:32:15,406 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,406 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,406 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,406 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-11-20 06:32:15,406 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-11-20 06:32:15,406 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-11-20 06:32:15,406 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-11-20 06:32:15,406 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-11-20 06:32:15,407 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,407 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,407 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,407 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-11-20 06:32:15,407 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-11-20 06:32:15,407 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-11-20 06:32:15,407 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-11-20 06:32:15,407 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-11-20 06:32:15,408 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-11-20 06:32:15,408 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-11-20 06:32:15,408 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-11-20 06:32:15,408 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-11-20 06:32:15,408 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-11-20 06:32:15,408 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,408 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,408 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,409 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-11-20 06:32:15,409 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-11-20 06:32:15,409 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-11-20 06:32:15,409 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-11-20 06:32:15,409 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-11-20 06:32:15,409 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-11-20 06:32:15,409 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-11-20 06:32:15,409 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,410 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,410 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,410 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-11-20 06:32:15,410 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-11-20 06:32:15,410 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-11-20 06:32:15,410 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-11-20 06:32:15,410 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-11-20 06:32:15,410 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-11-20 06:32:15,410 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-11-20 06:32:15,411 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,411 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,411 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,411 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-11-20 06:32:15,411 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-11-20 06:32:15,411 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-11-20 06:32:15,411 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-11-20 06:32:15,411 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-11-20 06:32:15,411 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,412 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,412 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,412 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-11-20 06:32:15,412 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-11-20 06:32:15,412 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-11-20 06:32:15,412 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-11-20 06:32:15,412 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-11-20 06:32:15,412 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-11-20 06:32:15,413 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-11-20 06:32:15,414 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-11-20 06:32:15,414 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-11-20 06:32:15,414 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-11-20 06:32:15,414 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-11-20 06:32:15,414 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,414 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,414 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,414 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-11-20 06:32:15,414 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,415 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,416 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,417 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,417 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-11-20 06:32:15,419 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-11-20 06:32:15,419 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-11-20 06:32:15,419 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-11-20 06:32:15,419 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-11-20 06:32:15,419 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-11-20 06:32:15,419 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-11-20 06:32:15,420 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-11-20 06:32:15,420 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,420 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,420 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,420 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-11-20 06:32:15,420 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-11-20 06:32:15,421 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-11-20 06:32:15,421 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-11-20 06:32:15,421 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-11-20 06:32:15,421 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,421 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,421 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,422 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-11-20 06:32:15,422 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-11-20 06:32:15,422 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-11-20 06:32:15,422 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-11-20 06:32:15,422 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-11-20 06:32:15,422 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-11-20 06:32:15,422 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-11-20 06:32:15,423 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-11-20 06:32:15,423 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-11-20 06:32:15,423 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-11-20 06:32:15,423 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-11-20 06:32:15,423 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,423 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,424 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-11-20 06:32:15,424 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-11-20 06:32:15,424 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-11-20 06:32:15,424 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-11-20 06:32:15,424 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-11-20 06:32:15,424 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-11-20 06:32:15,424 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-11-20 06:32:15,425 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-11-20 06:32:15,425 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-11-20 06:32:15,425 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= 8 ~a17~0)) (.cse3 (= ~a19~0 1)) (.cse2 (<= ~a28~0 7)) (.cse1 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (not (= ~a25~0 1))) (and .cse0 .cse1 .cse3) (and .cse1 .cse3 .cse2) (and (<= 9 ~a28~0) .cse1))) [2021-11-20 06:32:15,425 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,425 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,426 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-11-20 06:32:15,426 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-11-20 06:32:15,426 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-11-20 06:32:15,426 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-11-20 06:32:15,426 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-11-20 06:32:15,426 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-11-20 06:32:15,427 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-11-20 06:32:15,427 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,427 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,427 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-11-20 06:32:15,427 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-11-20 06:32:15,427 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-11-20 06:32:15,428 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-11-20 06:32:15,428 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-11-20 06:32:15,428 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-11-20 06:32:15,428 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-11-20 06:32:15,428 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-11-20 06:32:15,428 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-11-20 06:32:15,428 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,429 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,429 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-11-20 06:32:15,429 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-11-20 06:32:15,429 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-11-20 06:32:15,429 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-11-20 06:32:15,429 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:32:15,430 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-11-20 06:32:15,430 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-11-20 06:32:15,430 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= 8 ~a17~0)) (.cse3 (= ~a19~0 1)) (.cse2 (<= ~a28~0 7)) (.cse1 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (not (= ~a25~0 1))) (and .cse0 .cse1 .cse3) (and .cse1 .cse3 .cse2) (and (<= 9 ~a28~0) .cse1))) [2021-11-20 06:32:15,430 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,430 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,431 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-11-20 06:32:15,431 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-11-20 06:32:15,431 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-11-20 06:32:15,431 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-11-20 06:32:15,431 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-11-20 06:32:15,431 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,431 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,432 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-11-20 06:32:15,432 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-11-20 06:32:15,432 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-11-20 06:32:15,432 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-11-20 06:32:15,432 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-11-20 06:32:15,432 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-11-20 06:32:15,432 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-11-20 06:32:15,433 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-11-20 06:32:15,433 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-11-20 06:32:15,433 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,433 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,433 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-11-20 06:32:15,433 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,433 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:32:15,434 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-11-20 06:32:15,434 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-11-20 06:32:15,434 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-11-20 06:32:15,434 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-11-20 06:32:15,434 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-11-20 06:32:15,434 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-11-20 06:32:15,434 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,435 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,435 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,435 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-11-20 06:32:15,435 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-11-20 06:32:15,435 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-11-20 06:32:15,435 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-11-20 06:32:15,436 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-11-20 06:32:15,436 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,436 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,436 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-11-20 06:32:15,436 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-11-20 06:32:15,436 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-11-20 06:32:15,436 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-11-20 06:32:15,437 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-11-20 06:32:15,437 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-11-20 06:32:15,437 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-11-20 06:32:15,440 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:32:15,442 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:32:15,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:32:15 BoogieIcfgContainer [2021-11-20 06:32:15,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:32:15,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:32:15,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:32:15,460 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:32:15,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:32:10" (3/4) ... [2021-11-20 06:32:15,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:32:15,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 06:32:15,486 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 06:32:15,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 06:32:15,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:32:15,602 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:32:15,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:32:15,603 INFO L158 Benchmark]: Toolchain (without parser) took 7542.83ms. Allocated memory was 102.8MB in the beginning and 163.6MB in the end (delta: 60.8MB). Free memory was 58.9MB in the beginning and 80.6MB in the end (delta: -21.7MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2021-11-20 06:32:15,604 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:32:15,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 655.07ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 60.2MB in the end (delta: -1.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-20 06:32:15,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.65ms. Allocated memory is still 102.8MB. Free memory was 60.2MB in the beginning and 54.8MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:32:15,605 INFO L158 Benchmark]: Boogie Preprocessor took 74.23ms. Allocated memory is still 102.8MB. Free memory was 54.8MB in the beginning and 50.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:32:15,605 INFO L158 Benchmark]: RCFGBuilder took 1194.05ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 59.1MB in the end (delta: -8.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-11-20 06:32:15,606 INFO L158 Benchmark]: TraceAbstraction took 5372.13ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 59.1MB in the beginning and 95.2MB in the end (delta: -36.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2021-11-20 06:32:15,606 INFO L158 Benchmark]: Witness Printer took 143.13ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 80.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 06:32:15,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 655.07ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 60.2MB in the end (delta: -1.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.65ms. Allocated memory is still 102.8MB. Free memory was 60.2MB in the beginning and 54.8MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.23ms. Allocated memory is still 102.8MB. Free memory was 54.8MB in the beginning and 50.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1194.05ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 59.1MB in the end (delta: -8.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5372.13ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 59.1MB in the beginning and 95.2MB in the end (delta: -36.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Witness Printer took 143.13ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 80.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 470]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 827 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 827 mSDsluCounter, 872 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 534 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2364 IncrementalHoareTripleChecker+Invalid, 2898 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 534 mSolverCounterUnsat, 777 mSDtfsCounter, 2364 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1704occurred in iteration=6, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 286 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 99 HoareAnnotationTreeSize, 3 FomulaSimplifications, 30 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 330 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 849 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 842 ConstructedInterpolants, 0 QuantifiedInterpolants, 1850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 189/189 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: 616]: Loop Invariant Derived loop invariant: (((((8 <= a17 && a17 <= 8) && a28 <= 7) || ((8 <= a17 && a17 <= 8) && !(a25 == 1))) || ((8 <= a17 && a17 <= 8) && a19 == 1)) || ((a17 <= 8 && a19 == 1) && a28 <= 7)) || (9 <= a28 && a17 <= 8) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((8 <= a17 && a17 <= 8) && a28 <= 7) || ((8 <= a17 && a17 <= 8) && !(a25 == 1))) || ((8 <= a17 && a17 <= 8) && a19 == 1)) || ((a17 <= 8 && a19 == 1) && a28 <= 7)) || (9 <= a28 && a17 <= 8) RESULT: Ultimate proved your program to be correct! [2021-11-20 06:32:15,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f1be11a-4129-4040-9bfd-5791f650be6c/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