./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC --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 78c0cfafc3b31d20dda21d94520c4ce273f25aaa ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:21:01,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:01,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:01,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:01,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:01,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:01,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:01,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:01,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:01,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:01,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:01,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:01,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:01,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:01,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:01,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:01,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:01,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:01,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:01,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:01,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:01,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:01,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:01,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:01,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:01,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:01,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:01,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:01,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:01,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:01,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:01,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:01,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:01,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:01,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:01,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:01,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:01,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:01,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:01,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:01,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:01,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:21:02,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:02,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:02,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:02,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:02,037 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:02,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:02,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:02,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:02,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:02,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:02,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:02,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:02,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:02,047 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:02,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:02,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:02,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:02,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:02,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:02,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:02,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:02,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:02,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:02,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:02,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:02,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:21:02,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:02,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:02,052 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_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78c0cfafc3b31d20dda21d94520c4ce273f25aaa [2021-10-11 00:21:02,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:02,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:02,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:02,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:02,404 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:02,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem11_label17.c [2021-10-11 00:21:02,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/data/e011f637c/7666e5f1294f4f9ca2d611e19fbfdfe9/FLAG6f328b432 [2021-10-11 00:21:03,090 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:03,091 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/sv-benchmarks/c/eca-rers2012/Problem11_label17.c [2021-10-11 00:21:03,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/data/e011f637c/7666e5f1294f4f9ca2d611e19fbfdfe9/FLAG6f328b432 [2021-10-11 00:21:03,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/data/e011f637c/7666e5f1294f4f9ca2d611e19fbfdfe9 [2021-10-11 00:21:03,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:03,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:03,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:03,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:03,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:03,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:03" (1/1) ... [2021-10-11 00:21:03,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eabda59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:03, skipping insertion in model container [2021-10-11 00:21:03,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:03" (1/1) ... [2021-10-11 00:21:03,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:03,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:03,750 WARN L226 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_1f316790-e224-4643-b218-0e39a70ee3c8/sv-benchmarks/c/eca-rers2012/Problem11_label17.c[5541,5554] [2021-10-11 00:21:04,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:04,084 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:04,107 WARN L226 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_1f316790-e224-4643-b218-0e39a70ee3c8/sv-benchmarks/c/eca-rers2012/Problem11_label17.c[5541,5554] [2021-10-11 00:21:04,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:04,266 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:04,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04 WrapperNode [2021-10-11 00:21:04,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:04,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:04,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:04,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:04,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... [2021-10-11 00:21:04,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... [2021-10-11 00:21:04,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:04,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:04,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:04,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:04,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... [2021-10-11 00:21:04,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... [2021-10-11 00:21:04,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... [2021-10-11 00:21:04,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... [2021-10-11 00:21:04,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... [2021-10-11 00:21:04,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... [2021-10-11 00:21:04,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... [2021-10-11 00:21:04,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:04,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:04,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:04,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:04,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:06,812 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:06,812 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:21:06,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:06 BoogieIcfgContainer [2021-10-11 00:21:06,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:06,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:06,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:06,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:06,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:03" (1/3) ... [2021-10-11 00:21:06,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6202d1ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:06, skipping insertion in model container [2021-10-11 00:21:06,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:04" (2/3) ... [2021-10-11 00:21:06,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6202d1ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:06, skipping insertion in model container [2021-10-11 00:21:06,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:06" (3/3) ... [2021-10-11 00:21:06,828 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label17.c [2021-10-11 00:21:06,843 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:06,847 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:21:06,861 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:21:06,904 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:06,905 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:06,905 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:06,905 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:06,905 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:06,905 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:06,905 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:06,906 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2021-10-11 00:21:06,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-11 00:21:06,939 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:06,940 INFO L422 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] [2021-10-11 00:21:06,940 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:06,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:06,946 INFO L82 PathProgramCache]: Analyzing trace with hash 323974986, now seen corresponding path program 1 times [2021-10-11 00:21:06,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:06,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314462099] [2021-10-11 00:21:06,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:07,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314462099] [2021-10-11 00:21:07,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:07,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:07,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608992233] [2021-10-11 00:21:07,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:07,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:07,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:07,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:07,330 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 3 states. [2021-10-11 00:21:08,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:08,907 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-10-11 00:21:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:08,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2021-10-11 00:21:08,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:08,939 INFO L225 Difference]: With dead ends: 761 [2021-10-11 00:21:08,940 INFO L226 Difference]: Without dead ends: 413 [2021-10-11 00:21:08,952 INFO L677 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 [2021-10-11 00:21:08,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-10-11 00:21:09,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-10-11 00:21:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2021-10-11 00:21:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-10-11 00:21:09,046 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 38 [2021-10-11 00:21:09,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:09,047 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-10-11 00:21:09,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-10-11 00:21:09,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-11 00:21:09,054 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:09,055 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:09,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:21:09,055 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:09,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:09,058 INFO L82 PathProgramCache]: Analyzing trace with hash -980853214, now seen corresponding path program 1 times [2021-10-11 00:21:09,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:09,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107779181] [2021-10-11 00:21:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:09,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107779181] [2021-10-11 00:21:09,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:09,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:09,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695627913] [2021-10-11 00:21:09,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:09,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:09,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:09,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:09,341 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2021-10-11 00:21:10,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:10,568 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-10-11 00:21:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:10,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-10-11 00:21:10,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:10,573 INFO L225 Difference]: With dead ends: 1211 [2021-10-11 00:21:10,574 INFO L226 Difference]: Without dead ends: 800 [2021-10-11 00:21:10,576 INFO L677 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 [2021-10-11 00:21:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-10-11 00:21:10,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-10-11 00:21:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2021-10-11 00:21:10,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-10-11 00:21:10,601 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 106 [2021-10-11 00:21:10,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:10,601 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-10-11 00:21:10,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-10-11 00:21:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-11 00:21:10,604 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:10,604 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:10,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:21:10,605 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:10,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:10,605 INFO L82 PathProgramCache]: Analyzing trace with hash 952313213, now seen corresponding path program 1 times [2021-10-11 00:21:10,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:10,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256066085] [2021-10-11 00:21:10,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:10,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256066085] [2021-10-11 00:21:10,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:10,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:10,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106715216] [2021-10-11 00:21:10,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:10,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:10,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:10,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:10,734 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2021-10-11 00:21:11,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:11,978 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2021-10-11 00:21:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:11,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2021-10-11 00:21:11,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:11,989 INFO L225 Difference]: With dead ends: 2314 [2021-10-11 00:21:11,989 INFO L226 Difference]: Without dead ends: 1527 [2021-10-11 00:21:11,991 INFO L677 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 [2021-10-11 00:21:11,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2021-10-11 00:21:12,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2021-10-11 00:21:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2021-10-11 00:21:12,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2021-10-11 00:21:12,039 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 108 [2021-10-11 00:21:12,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:12,040 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2021-10-11 00:21:12,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2021-10-11 00:21:12,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-10-11 00:21:12,044 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:12,045 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:12,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:21:12,045 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:12,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:12,046 INFO L82 PathProgramCache]: Analyzing trace with hash -415130689, now seen corresponding path program 1 times [2021-10-11 00:21:12,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:12,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884725931] [2021-10-11 00:21:12,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:12,293 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:12,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884725931] [2021-10-11 00:21:12,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:12,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:12,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548071865] [2021-10-11 00:21:12,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:12,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:12,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:12,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:12,300 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2021-10-11 00:21:13,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:13,583 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2021-10-11 00:21:13,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:13,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2021-10-11 00:21:13,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:13,603 INFO L225 Difference]: With dead ends: 3257 [2021-10-11 00:21:13,604 INFO L226 Difference]: Without dead ends: 1917 [2021-10-11 00:21:13,607 INFO L677 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 [2021-10-11 00:21:13,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2021-10-11 00:21:13,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2021-10-11 00:21:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2021-10-11 00:21:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2021-10-11 00:21:13,669 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 165 [2021-10-11 00:21:13,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:13,671 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2021-10-11 00:21:13,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2021-10-11 00:21:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-10-11 00:21:13,687 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:13,687 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:21:13,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:21:13,688 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:13,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:13,688 INFO L82 PathProgramCache]: Analyzing trace with hash -406031591, now seen corresponding path program 1 times [2021-10-11 00:21:13,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:13,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961300089] [2021-10-11 00:21:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-11 00:21:13,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961300089] [2021-10-11 00:21:13,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:13,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:13,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137218876] [2021-10-11 00:21:13,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:13,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:13,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:13,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:13,956 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2021-10-11 00:21:15,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:15,247 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2021-10-11 00:21:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:15,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2021-10-11 00:21:15,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:15,264 INFO L225 Difference]: With dead ends: 4389 [2021-10-11 00:21:15,264 INFO L226 Difference]: Without dead ends: 2661 [2021-10-11 00:21:15,267 INFO L677 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 [2021-10-11 00:21:15,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2021-10-11 00:21:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2021-10-11 00:21:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2021-10-11 00:21:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2021-10-11 00:21:15,327 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 220 [2021-10-11 00:21:15,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:15,328 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2021-10-11 00:21:15,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2021-10-11 00:21:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-10-11 00:21:15,332 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:15,332 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:21:15,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:21:15,333 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:15,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:15,333 INFO L82 PathProgramCache]: Analyzing trace with hash 379079722, now seen corresponding path program 1 times [2021-10-11 00:21:15,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:15,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633015037] [2021-10-11 00:21:15,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-11 00:21:15,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633015037] [2021-10-11 00:21:15,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389644941] [2021-10-11 00:21:15,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:21:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:15,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:21:15,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:16,330 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-11 00:21:16,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:21:16,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:21:16,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273945117] [2021-10-11 00:21:16,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:16,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:16,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:16,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:21:16,334 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2021-10-11 00:21:17,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:17,799 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2021-10-11 00:21:17,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:17,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2021-10-11 00:21:17,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:17,819 INFO L225 Difference]: With dead ends: 5862 [2021-10-11 00:21:17,819 INFO L226 Difference]: Without dead ends: 3397 [2021-10-11 00:21:17,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:21:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2021-10-11 00:21:17,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2021-10-11 00:21:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2021-10-11 00:21:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2021-10-11 00:21:17,904 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 226 [2021-10-11 00:21:17,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:17,905 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2021-10-11 00:21:17,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2021-10-11 00:21:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-10-11 00:21:17,913 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:17,920 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:18,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-11 00:21:18,136 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:18,136 INFO L82 PathProgramCache]: Analyzing trace with hash -538389225, now seen corresponding path program 1 times [2021-10-11 00:21:18,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:18,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509441276] [2021-10-11 00:21:18,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-11 00:21:18,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509441276] [2021-10-11 00:21:18,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:18,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:18,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262251672] [2021-10-11 00:21:18,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:18,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:18,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:18,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:18,415 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2021-10-11 00:21:19,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:19,633 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2021-10-11 00:21:19,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:19,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2021-10-11 00:21:19,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:19,653 INFO L225 Difference]: With dead ends: 6788 [2021-10-11 00:21:19,653 INFO L226 Difference]: Without dead ends: 3402 [2021-10-11 00:21:19,658 INFO L677 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 [2021-10-11 00:21:19,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2021-10-11 00:21:19,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2021-10-11 00:21:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2021-10-11 00:21:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2021-10-11 00:21:19,725 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 297 [2021-10-11 00:21:19,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:19,726 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2021-10-11 00:21:19,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2021-10-11 00:21:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-10-11 00:21:19,733 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:19,734 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:19,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:21:19,734 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:19,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:19,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1843879885, now seen corresponding path program 1 times [2021-10-11 00:21:19,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:19,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337677291] [2021-10-11 00:21:19,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-11 00:21:20,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337677291] [2021-10-11 00:21:20,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:20,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:20,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705961195] [2021-10-11 00:21:20,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:20,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:20,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:20,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:20,029 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2021-10-11 00:21:21,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:21,128 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2021-10-11 00:21:21,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:21,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 298 [2021-10-11 00:21:21,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:21,144 INFO L225 Difference]: With dead ends: 6015 [2021-10-11 00:21:21,144 INFO L226 Difference]: Without dead ends: 2997 [2021-10-11 00:21:21,148 INFO L677 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 [2021-10-11 00:21:21,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2021-10-11 00:21:21,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2021-10-11 00:21:21,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2021-10-11 00:21:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2021-10-11 00:21:21,208 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 298 [2021-10-11 00:21:21,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:21,209 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2021-10-11 00:21:21,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:21,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2021-10-11 00:21:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-10-11 00:21:21,217 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:21,217 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:21,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:21:21,217 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:21,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:21,218 INFO L82 PathProgramCache]: Analyzing trace with hash -815039662, now seen corresponding path program 1 times [2021-10-11 00:21:21,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:21,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969189850] [2021-10-11 00:21:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-10-11 00:21:21,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969189850] [2021-10-11 00:21:21,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:21,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:21,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431916238] [2021-10-11 00:21:21,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:21,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:21,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:21,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:21,466 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2021-10-11 00:21:22,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:22,507 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2021-10-11 00:21:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:22,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2021-10-11 00:21:22,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:22,526 INFO L225 Difference]: With dead ends: 6907 [2021-10-11 00:21:22,526 INFO L226 Difference]: Without dead ends: 3914 [2021-10-11 00:21:22,530 INFO L677 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 [2021-10-11 00:21:22,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2021-10-11 00:21:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2021-10-11 00:21:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2021-10-11 00:21:22,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2021-10-11 00:21:22,581 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 303 [2021-10-11 00:21:22,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:22,582 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2021-10-11 00:21:22,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2021-10-11 00:21:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-10-11 00:21:22,591 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:22,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:21:22,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:21:22,593 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:22,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:22,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1032835470, now seen corresponding path program 1 times [2021-10-11 00:21:22,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:22,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906311668] [2021-10-11 00:21:22,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:22,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906311668] [2021-10-11 00:21:22,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:22,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:22,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531846363] [2021-10-11 00:21:22,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:21:22,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:22,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:21:22,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:22,927 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2021-10-11 00:21:24,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:24,659 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2021-10-11 00:21:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:21:24,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 343 [2021-10-11 00:21:24,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:24,676 INFO L225 Difference]: With dead ends: 6353 [2021-10-11 00:21:24,676 INFO L226 Difference]: Without dead ends: 4286 [2021-10-11 00:21:24,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:24,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2021-10-11 00:21:24,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2021-10-11 00:21:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2021-10-11 00:21:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2021-10-11 00:21:24,751 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 343 [2021-10-11 00:21:24,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:24,752 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2021-10-11 00:21:24,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:21:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2021-10-11 00:21:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-10-11 00:21:24,760 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:24,760 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:24,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:21:24,761 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:24,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:24,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1279990241, now seen corresponding path program 1 times [2021-10-11 00:21:24,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:24,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96555092] [2021-10-11 00:21:24,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-11 00:21:25,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96555092] [2021-10-11 00:21:25,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:25,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:25,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450166789] [2021-10-11 00:21:25,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:21:25,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:25,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:21:25,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:25,170 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2021-10-11 00:21:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:26,994 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2021-10-11 00:21:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:21:26,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 417 [2021-10-11 00:21:26,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:27,016 INFO L225 Difference]: With dead ends: 8752 [2021-10-11 00:21:27,016 INFO L226 Difference]: Without dead ends: 5022 [2021-10-11 00:21:27,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:27,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2021-10-11 00:21:27,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2021-10-11 00:21:27,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2021-10-11 00:21:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2021-10-11 00:21:27,098 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 417 [2021-10-11 00:21:27,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:27,099 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2021-10-11 00:21:27,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:21:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2021-10-11 00:21:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2021-10-11 00:21:27,110 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:27,111 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:27,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:21:27,111 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:27,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:27,112 INFO L82 PathProgramCache]: Analyzing trace with hash -912788003, now seen corresponding path program 1 times [2021-10-11 00:21:27,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:27,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883871828] [2021-10-11 00:21:27,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 844 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-10-11 00:21:27,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883871828] [2021-10-11 00:21:27,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:27,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:27,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024913830] [2021-10-11 00:21:27,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:21:27,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:27,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:21:27,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:27,847 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2021-10-11 00:21:29,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:29,894 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2021-10-11 00:21:29,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:21:29,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 668 [2021-10-11 00:21:29,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:29,922 INFO L225 Difference]: With dead ends: 11899 [2021-10-11 00:21:29,922 INFO L226 Difference]: Without dead ends: 8169 [2021-10-11 00:21:29,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:29,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2021-10-11 00:21:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2021-10-11 00:21:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2021-10-11 00:21:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2021-10-11 00:21:30,053 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 668 [2021-10-11 00:21:30,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:30,054 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2021-10-11 00:21:30,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:21:30,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2021-10-11 00:21:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2021-10-11 00:21:30,075 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:30,076 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 00:21:30,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:21:30,077 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:30,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:30,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1508323020, now seen corresponding path program 1 times [2021-10-11 00:21:30,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:30,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472897892] [2021-10-11 00:21:30,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 961 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2021-10-11 00:21:30,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472897892] [2021-10-11 00:21:30,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:30,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:30,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361365749] [2021-10-11 00:21:30,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:30,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:30,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:30,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:30,702 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2021-10-11 00:21:31,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:31,819 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2021-10-11 00:21:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:31,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 736 [2021-10-11 00:21:31,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:31,839 INFO L225 Difference]: With dead ends: 17436 [2021-10-11 00:21:31,839 INFO L226 Difference]: Without dead ends: 8717 [2021-10-11 00:21:31,847 INFO L677 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 [2021-10-11 00:21:31,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2021-10-11 00:21:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2021-10-11 00:21:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2021-10-11 00:21:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2021-10-11 00:21:32,040 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 736 [2021-10-11 00:21:32,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:32,041 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2021-10-11 00:21:32,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2021-10-11 00:21:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2021-10-11 00:21:32,073 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:32,074 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-10-11 00:21:32,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:21:32,075 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:32,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:32,076 INFO L82 PathProgramCache]: Analyzing trace with hash 989399627, now seen corresponding path program 1 times [2021-10-11 00:21:32,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:32,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169693059] [2021-10-11 00:21:32,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 1445 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2021-10-11 00:21:33,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169693059] [2021-10-11 00:21:33,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:33,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:33,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717353528] [2021-10-11 00:21:33,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:33,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:33,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:33,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:33,028 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2021-10-11 00:21:33,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:33,976 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2021-10-11 00:21:33,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:33,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 836 [2021-10-11 00:21:33,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:33,978 INFO L225 Difference]: With dead ends: 18165 [2021-10-11 00:21:33,978 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:21:33,987 INFO L677 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 [2021-10-11 00:21:33,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:21:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:21:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:21:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:33,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 836 [2021-10-11 00:21:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:33,988 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:33,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:33,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:21:33,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:21:33,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:21:34,134 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2021-10-11 00:21:34,258 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2021-10-11 00:21:34,877 WARN L197 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2021-10-11 00:21:35,447 WARN L197 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2021-10-11 00:21:35,451 INFO L262 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-11 00:21:35,451 INFO L262 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,451 INFO L262 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-11 00:21:35,451 INFO L262 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,451 INFO L262 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,451 INFO L262 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,451 INFO L262 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,451 INFO L262 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,452 INFO L262 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,452 INFO L262 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-11 00:21:35,452 INFO L262 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-11 00:21:35,452 INFO L262 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-11 00:21:35,452 INFO L262 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,452 INFO L262 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,453 INFO L262 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,453 INFO L262 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,453 INFO L262 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,453 INFO L262 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,453 INFO L262 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,453 INFO L262 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,453 INFO L262 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,454 INFO L262 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,454 INFO L262 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-11 00:21:35,454 INFO L262 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-11 00:21:35,454 INFO L262 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-11 00:21:35,454 INFO L262 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,454 INFO L262 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-11 00:21:35,454 INFO L262 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,455 INFO L262 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,456 INFO L258 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2021-10-11 00:21:35,456 INFO L262 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,456 INFO L262 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-11 00:21:35,456 INFO L262 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-11 00:21:35,456 INFO L262 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,456 INFO L262 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,456 INFO L262 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,456 INFO L262 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,456 INFO L262 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L265 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,457 INFO L262 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-11 00:21:35,458 INFO L262 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L258 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-11 00:21:35,459 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,460 INFO L262 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,461 INFO L262 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-11 00:21:35,462 INFO L262 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-11 00:21:35,462 INFO L262 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-11 00:21:35,462 INFO L262 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,462 INFO L262 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,462 INFO L262 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,462 INFO L262 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,463 INFO L262 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-11 00:21:35,463 INFO L262 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-11 00:21:35,463 INFO L262 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,463 INFO L262 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,463 INFO L262 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,463 INFO L262 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,463 INFO L262 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,464 INFO L262 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,464 INFO L262 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-11 00:21:35,464 INFO L262 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-11 00:21:35,464 INFO L262 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,464 INFO L262 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,464 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-11 00:21:35,464 INFO L262 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-11 00:21:35,465 INFO L262 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-11 00:21:35,465 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:35,465 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2021-10-11 00:21:35,465 INFO L262 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,465 INFO L262 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,465 INFO L262 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,465 INFO L262 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,466 INFO L262 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,466 INFO L262 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,466 INFO L262 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,466 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-11 00:21:35,466 INFO L262 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-11 00:21:35,466 INFO L262 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-11 00:21:35,466 INFO L262 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-11 00:21:35,467 INFO L262 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-11 00:21:35,467 INFO L262 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-11 00:21:35,467 INFO L262 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-11 00:21:35,467 INFO L262 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,467 INFO L262 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,467 INFO L262 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-11 00:21:35,467 INFO L262 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-11 00:21:35,468 INFO L262 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,468 INFO L262 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,468 INFO L262 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,468 INFO L262 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,468 INFO L262 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,468 INFO L262 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-11 00:21:35,468 INFO L262 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-11 00:21:35,469 INFO L262 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-11 00:21:35,469 INFO L262 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,469 INFO L262 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,469 INFO L262 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,469 INFO L262 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,469 INFO L262 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,469 INFO L262 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,470 INFO L262 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-11 00:21:35,470 INFO L262 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-11 00:21:35,470 INFO L262 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-11 00:21:35,470 INFO L262 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,470 INFO L262 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,470 INFO L262 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,470 INFO L262 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,471 INFO L262 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,471 INFO L262 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,471 INFO L262 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,471 INFO L262 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,471 INFO L262 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-11 00:21:35,471 INFO L262 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-11 00:21:35,471 INFO L262 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-11 00:21:35,472 INFO L262 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,472 INFO L262 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,472 INFO L262 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,472 INFO L262 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,472 INFO L262 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,472 INFO L262 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,472 INFO L262 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,473 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,473 INFO L262 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,473 INFO L262 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,473 INFO L262 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,473 INFO L262 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-11 00:21:35,473 INFO L262 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-11 00:21:35,473 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-11 00:21:35,474 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-11 00:21:35,474 INFO L262 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-11 00:21:35,474 INFO L262 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,474 INFO L262 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,474 INFO L262 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,474 INFO L262 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,474 INFO L262 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,475 INFO L262 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,475 INFO L262 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,475 INFO L262 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-11 00:21:35,475 INFO L262 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-11 00:21:35,475 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-11 00:21:35,475 INFO L262 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,475 INFO L262 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,476 INFO L262 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,476 INFO L262 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-11 00:21:35,476 INFO L262 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-11 00:21:35,476 INFO L262 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,476 INFO L262 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,476 INFO L262 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,476 INFO L262 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,477 INFO L262 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,477 INFO L262 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-11 00:21:35,477 INFO L262 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-11 00:21:35,477 INFO L262 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,477 INFO L262 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,477 INFO L262 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-11 00:21:35,477 INFO L262 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-11 00:21:35,477 INFO L262 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,478 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:35,478 INFO L262 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,478 INFO L262 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,478 INFO L262 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,478 INFO L262 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,478 INFO L262 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,478 INFO L262 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-11 00:21:35,479 INFO L262 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-11 00:21:35,479 INFO L262 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-11 00:21:35,479 INFO L262 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-11 00:21:35,479 INFO L262 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,479 INFO L262 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,479 INFO L262 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,479 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,480 INFO L262 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,480 INFO L262 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,480 INFO L262 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,480 INFO L262 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,480 INFO L262 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-11 00:21:35,480 INFO L262 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-11 00:21:35,480 INFO L262 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-11 00:21:35,481 INFO L262 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-11 00:21:35,481 INFO L262 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-11 00:21:35,481 INFO L262 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-11 00:21:35,481 INFO L262 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,481 INFO L262 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,481 INFO L262 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,481 INFO L262 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,482 INFO L262 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,482 INFO L262 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,482 INFO L262 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,482 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-11 00:21:35,482 INFO L262 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-11 00:21:35,482 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:35,483 INFO L262 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,483 INFO L262 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,483 INFO L262 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,483 INFO L262 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,483 INFO L262 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,483 INFO L262 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,483 INFO L262 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-11 00:21:35,484 INFO L262 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-11 00:21:35,484 INFO L262 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,484 INFO L262 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,484 INFO L262 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,484 INFO L262 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,484 INFO L262 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,484 INFO L262 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,484 INFO L262 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,485 INFO L262 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-11 00:21:35,485 INFO L262 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:21:35,485 INFO L262 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,485 INFO L262 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,485 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-11 00:21:35,485 INFO L262 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-11 00:21:35,485 INFO L262 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-11 00:21:35,486 INFO L262 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-11 00:21:35,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:35 BoogieIcfgContainer [2021-10-11 00:21:35,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:35,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:35,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:35,512 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:35,513 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:06" (3/4) ... [2021-10-11 00:21:35,516 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:35,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:21:35,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:21:35,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:35,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:35,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f316790-e224-4643-b218-0e39a70ee3c8/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:35,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:35,797 INFO L168 Benchmark]: Toolchain (without parser) took 32478.13 ms. Allocated memory was 88.1 MB in the beginning and 924.8 MB in the end (delta: 836.8 MB). Free memory was 51.0 MB in the beginning and 684.5 MB in the end (delta: -633.5 MB). Peak memory consumption was 204.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:35,798 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 88.1 MB. Free memory was 59.5 MB in the beginning and 59.5 MB in the end (delta: 24.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:35,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.21 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 50.8 MB in the beginning and 58.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:35,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.14 ms. Allocated memory is still 115.3 MB. Free memory was 58.0 MB in the beginning and 79.9 MB in the end (delta: -21.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:35,799 INFO L168 Benchmark]: Boogie Preprocessor took 171.78 ms. Allocated memory is still 115.3 MB. Free memory was 79.9 MB in the beginning and 70.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:35,800 INFO L168 Benchmark]: RCFGBuilder took 2190.66 ms. Allocated memory was 115.3 MB in the beginning and 180.4 MB in the end (delta: 65.0 MB). Free memory was 70.1 MB in the beginning and 106.3 MB in the end (delta: -36.2 MB). Peak memory consumption was 72.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:35,800 INFO L168 Benchmark]: TraceAbstraction took 28691.63 ms. Allocated memory was 180.4 MB in the beginning and 924.8 MB in the end (delta: 744.5 MB). Free memory was 106.3 MB in the beginning and 708.9 MB in the end (delta: -602.6 MB). Peak memory consumption was 538.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:35,800 INFO L168 Benchmark]: Witness Printer took 284.61 ms. Allocated memory is still 924.8 MB. Free memory was 708.9 MB in the beginning and 684.5 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:35,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 88.1 MB. Free memory was 59.5 MB in the beginning and 59.5 MB in the end (delta: 24.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 946.21 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 50.8 MB in the beginning and 58.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 185.14 ms. Allocated memory is still 115.3 MB. Free memory was 58.0 MB in the beginning and 79.9 MB in the end (delta: -21.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 171.78 ms. Allocated memory is still 115.3 MB. Free memory was 79.9 MB in the beginning and 70.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2190.66 ms. Allocated memory was 115.3 MB in the beginning and 180.4 MB in the end (delta: 65.0 MB). Free memory was 70.1 MB in the beginning and 106.3 MB in the end (delta: -36.2 MB). Peak memory consumption was 72.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28691.63 ms. Allocated memory was 180.4 MB in the beginning and 924.8 MB in the end (delta: 744.5 MB). Free memory was 106.3 MB in the beginning and 708.9 MB in the end (delta: -602.6 MB). Peak memory consumption was 538.3 MB. Max. memory is 16.1 GB. * Witness Printer took 284.61 ms. Allocated memory is still 924.8 MB. Free memory was 708.9 MB in the beginning and 684.5 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.0s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2802 SDtfs, 2442 SDslu, 373 SDs, 0 SdLazy, 9185 SolverSat, 1706 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 4661 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 271 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4492 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3330 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 4987 NumberOfCodeBlocks, 4987 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4972 ConstructedInterpolants, 0 QuantifiedInterpolants, 4456114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 6945/6991 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...