./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.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_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/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_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/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_5018eeea-4465-42c2-afde-dae91b7d98c1/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 fa62fcbbbc09c44c5be6da25062e9c2682423640 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:34:03,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:34:03,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:34:03,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:34:03,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:34:03,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:34:03,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:34:03,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:34:03,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:34:03,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:34:03,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:34:03,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:34:03,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:34:03,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:34:03,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:34:03,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:34:03,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:34:03,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:34:03,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:34:03,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:34:03,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:34:03,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:34:03,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:34:03,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:34:03,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:34:03,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:34:03,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:34:03,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:34:03,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:34:03,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:34:03,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:34:03,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:34:03,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:34:03,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:34:03,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:34:03,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:34:03,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:34:03,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:34:03,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:34:03,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:34:03,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:34:03,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:34:03,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:34:03,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:34:03,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:34:03,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:34:03,556 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:34:03,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:34:03,556 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:34:03,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:34:03,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:34:03,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:34:03,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:34:03,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:34:03,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:34:03,566 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:34:03,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:34:03,566 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:34:03,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:34:03,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:34:03,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:34:03,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:34:03,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:34:03,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:34:03,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:34:03,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:34:03,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:34:03,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:34:03,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:34:03,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:34:03,569 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_5018eeea-4465-42c2-afde-dae91b7d98c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa62fcbbbc09c44c5be6da25062e9c2682423640 [2021-10-11 00:34:03,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:34:03,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:34:03,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:34:03,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:34:03,930 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:34:03,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2021-10-11 00:34:04,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/data/32e07a8d9/59a36417324342519a7ef9a5c5304917/FLAGc77b9a56f [2021-10-11 00:34:04,708 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:34:04,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2021-10-11 00:34:04,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/data/32e07a8d9/59a36417324342519a7ef9a5c5304917/FLAGc77b9a56f [2021-10-11 00:34:04,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/data/32e07a8d9/59a36417324342519a7ef9a5c5304917 [2021-10-11 00:34:04,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:34:04,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:34:04,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:34:04,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:34:04,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:34:04,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:04" (1/1) ... [2021-10-11 00:34:04,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e49888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:04, skipping insertion in model container [2021-10-11 00:34:04,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:04" (1/1) ... [2021-10-11 00:34:04,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:34:05,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:34:05,261 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_5018eeea-4465-42c2-afde-dae91b7d98c1/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2021-10-11 00:34:05,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:34:05,413 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:34:05,490 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_5018eeea-4465-42c2-afde-dae91b7d98c1/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2021-10-11 00:34:05,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:34:05,561 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:34:05,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05 WrapperNode [2021-10-11 00:34:05,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:34:05,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:34:05,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:34:05,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:34:05,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... [2021-10-11 00:34:05,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... [2021-10-11 00:34:05,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:34:05,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:34:05,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:34:05,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:34:05,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... [2021-10-11 00:34:05,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... [2021-10-11 00:34:05,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... [2021-10-11 00:34:05,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... [2021-10-11 00:34:05,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... [2021-10-11 00:34:05,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... [2021-10-11 00:34:05,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... [2021-10-11 00:34:05,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:34:05,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:34:05,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:34:05,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:34:05,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/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 00:34:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:34:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:34:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:34:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:34:07,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:34:07,362 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:34:07,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:07 BoogieIcfgContainer [2021-10-11 00:34:07,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:34:07,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:34:07,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:34:07,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:34:07,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:04" (1/3) ... [2021-10-11 00:34:07,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255adeb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:07, skipping insertion in model container [2021-10-11 00:34:07,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:05" (2/3) ... [2021-10-11 00:34:07,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255adeb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:07, skipping insertion in model container [2021-10-11 00:34:07,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:07" (3/3) ... [2021-10-11 00:34:07,374 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label11.c [2021-10-11 00:34:07,387 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:34:07,391 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:34:07,401 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:34:07,427 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:34:07,427 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:34:07,428 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:34:07,428 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:34:07,428 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:34:07,428 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:34:07,428 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:34:07,429 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:34:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-10-11 00:34:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-11 00:34:07,455 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:07,456 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, 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 00:34:07,456 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:07,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:07,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2021-10-11 00:34:07,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:07,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662541021] [2021-10-11 00:34:07,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:07,806 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 00:34:07,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662541021] [2021-10-11 00:34:07,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:07,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:07,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847443881] [2021-10-11 00:34:07,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:07,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:07,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:07,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:07,833 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2021-10-11 00:34:08,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:08,984 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2021-10-11 00:34:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:08,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-10-11 00:34:08,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:09,011 INFO L225 Difference]: With dead ends: 567 [2021-10-11 00:34:09,011 INFO L226 Difference]: Without dead ends: 282 [2021-10-11 00:34:09,016 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 00:34:09,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-11 00:34:09,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-11 00:34:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-10-11 00:34:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2021-10-11 00:34:09,069 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 61 [2021-10-11 00:34:09,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:09,070 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2021-10-11 00:34:09,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:09,070 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2021-10-11 00:34:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-11 00:34:09,076 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:09,077 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, 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] [2021-10-11 00:34:09,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:34:09,077 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:09,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:09,078 INFO L82 PathProgramCache]: Analyzing trace with hash -270262724, now seen corresponding path program 1 times [2021-10-11 00:34:09,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:09,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708475923] [2021-10-11 00:34:09,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:09,388 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-11 00:34:09,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708475923] [2021-10-11 00:34:09,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948830269] [2021-10-11 00:34:09,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/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 00:34:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:09,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:34:09,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:09,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:34:09,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-11 00:34:09,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832219867] [2021-10-11 00:34:09,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:09,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:09,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:09,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:09,742 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2021-10-11 00:34:10,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:10,443 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2021-10-11 00:34:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:10,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2021-10-11 00:34:10,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:10,452 INFO L225 Difference]: With dead ends: 840 [2021-10-11 00:34:10,452 INFO L226 Difference]: Without dead ends: 560 [2021-10-11 00:34:10,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:10,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-10-11 00:34:10,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2021-10-11 00:34:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-10-11 00:34:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 626 transitions. [2021-10-11 00:34:10,511 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 626 transitions. Word has length 127 [2021-10-11 00:34:10,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:10,512 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 626 transitions. [2021-10-11 00:34:10,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 626 transitions. [2021-10-11 00:34:10,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-11 00:34:10,527 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:10,528 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, 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] [2021-10-11 00:34:10,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-11 00:34:10,753 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:10,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:10,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1197684053, now seen corresponding path program 1 times [2021-10-11 00:34:10,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:10,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506052352] [2021-10-11 00:34:10,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:10,932 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:10,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506052352] [2021-10-11 00:34:10,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:10,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:10,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699690654] [2021-10-11 00:34:10,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:10,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:10,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:10,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:10,934 INFO L87 Difference]: Start difference. First operand 421 states and 626 transitions. Second operand 3 states. [2021-10-11 00:34:11,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:11,654 INFO L93 Difference]: Finished difference Result 979 states and 1444 transitions. [2021-10-11 00:34:11,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:11,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2021-10-11 00:34:11,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:11,658 INFO L225 Difference]: With dead ends: 979 [2021-10-11 00:34:11,658 INFO L226 Difference]: Without dead ends: 560 [2021-10-11 00:34:11,659 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 00:34:11,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-10-11 00:34:11,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-10-11 00:34:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-10-11 00:34:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 790 transitions. [2021-10-11 00:34:11,673 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 790 transitions. Word has length 134 [2021-10-11 00:34:11,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:11,673 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 790 transitions. [2021-10-11 00:34:11,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 790 transitions. [2021-10-11 00:34:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-11 00:34:11,679 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:11,679 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:11,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:34:11,680 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:11,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:11,680 INFO L82 PathProgramCache]: Analyzing trace with hash -961671592, now seen corresponding path program 1 times [2021-10-11 00:34:11,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:11,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729900953] [2021-10-11 00:34:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-10-11 00:34:11,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729900953] [2021-10-11 00:34:11,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863383121] [2021-10-11 00:34:11,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:34:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:12,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:34:12,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-10-11 00:34:12,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:34:12,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-11 00:34:12,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699015835] [2021-10-11 00:34:12,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:12,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:12,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:12,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:12,346 INFO L87 Difference]: Start difference. First operand 560 states and 790 transitions. Second operand 3 states. [2021-10-11 00:34:13,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:13,006 INFO L93 Difference]: Finished difference Result 979 states and 1414 transitions. [2021-10-11 00:34:13,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:13,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2021-10-11 00:34:13,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:13,013 INFO L225 Difference]: With dead ends: 979 [2021-10-11 00:34:13,013 INFO L226 Difference]: Without dead ends: 977 [2021-10-11 00:34:13,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-10-11 00:34:13,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 560. [2021-10-11 00:34:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-10-11 00:34:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 790 transitions. [2021-10-11 00:34:13,037 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 790 transitions. Word has length 200 [2021-10-11 00:34:13,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:13,038 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 790 transitions. [2021-10-11 00:34:13,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:13,038 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 790 transitions. [2021-10-11 00:34:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-11 00:34:13,043 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:13,043 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:13,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:34:13,257 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:13,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:13,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1497742288, now seen corresponding path program 1 times [2021-10-11 00:34:13,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:13,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086538391] [2021-10-11 00:34:13,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-11 00:34:13,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086538391] [2021-10-11 00:34:13,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:13,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:13,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57432869] [2021-10-11 00:34:13,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:13,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:13,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:13,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:13,487 INFO L87 Difference]: Start difference. First operand 560 states and 790 transitions. Second operand 3 states. [2021-10-11 00:34:14,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:14,091 INFO L93 Difference]: Finished difference Result 1257 states and 1772 transitions. [2021-10-11 00:34:14,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:14,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2021-10-11 00:34:14,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:14,096 INFO L225 Difference]: With dead ends: 1257 [2021-10-11 00:34:14,097 INFO L226 Difference]: Without dead ends: 699 [2021-10-11 00:34:14,098 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 00:34:14,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-10-11 00:34:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2021-10-11 00:34:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2021-10-11 00:34:14,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 899 transitions. [2021-10-11 00:34:14,115 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 899 transitions. Word has length 248 [2021-10-11 00:34:14,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:14,117 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 899 transitions. [2021-10-11 00:34:14,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:14,117 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 899 transitions. [2021-10-11 00:34:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-10-11 00:34:14,121 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:14,122 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:14,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:34:14,123 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:14,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:14,123 INFO L82 PathProgramCache]: Analyzing trace with hash -717638857, now seen corresponding path program 1 times [2021-10-11 00:34:14,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:14,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144807538] [2021-10-11 00:34:14,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-11 00:34:14,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144807538] [2021-10-11 00:34:14,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:14,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:14,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148279465] [2021-10-11 00:34:14,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:14,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:14,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:14,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:14,323 INFO L87 Difference]: Start difference. First operand 699 states and 899 transitions. Second operand 3 states. [2021-10-11 00:34:14,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:14,946 INFO L93 Difference]: Finished difference Result 1535 states and 2005 transitions. [2021-10-11 00:34:14,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:14,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2021-10-11 00:34:14,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:14,953 INFO L225 Difference]: With dead ends: 1535 [2021-10-11 00:34:14,953 INFO L226 Difference]: Without dead ends: 977 [2021-10-11 00:34:14,954 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 00:34:14,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-10-11 00:34:14,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-10-11 00:34:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-10-11 00:34:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2021-10-11 00:34:14,980 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 259 [2021-10-11 00:34:14,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:14,981 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2021-10-11 00:34:14,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2021-10-11 00:34:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-10-11 00:34:14,986 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:14,987 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:14,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:34:14,987 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:14,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:14,988 INFO L82 PathProgramCache]: Analyzing trace with hash 186010360, now seen corresponding path program 1 times [2021-10-11 00:34:14,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:14,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451711862] [2021-10-11 00:34:14,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:15,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451711862] [2021-10-11 00:34:15,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:15,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:15,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033491826] [2021-10-11 00:34:15,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:15,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:15,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:15,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:15,193 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 3 states. [2021-10-11 00:34:15,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:15,785 INFO L93 Difference]: Finished difference Result 1952 states and 2417 transitions. [2021-10-11 00:34:15,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:15,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2021-10-11 00:34:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:15,793 INFO L225 Difference]: With dead ends: 1952 [2021-10-11 00:34:15,793 INFO L226 Difference]: Without dead ends: 1116 [2021-10-11 00:34:15,794 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 00:34:15,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-11 00:34:15,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-10-11 00:34:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2021-10-11 00:34:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1346 transitions. [2021-10-11 00:34:15,818 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1346 transitions. Word has length 264 [2021-10-11 00:34:15,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:15,818 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1346 transitions. [2021-10-11 00:34:15,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1346 transitions. [2021-10-11 00:34:15,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-10-11 00:34:15,824 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:15,824 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:15,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:34:15,825 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:15,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:15,825 INFO L82 PathProgramCache]: Analyzing trace with hash -449524252, now seen corresponding path program 1 times [2021-10-11 00:34:15,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:15,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474682615] [2021-10-11 00:34:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-11 00:34:16,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474682615] [2021-10-11 00:34:16,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:16,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:34:16,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283662989] [2021-10-11 00:34:16,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:34:16,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:16,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:34:16,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:34:16,179 INFO L87 Difference]: Start difference. First operand 1116 states and 1346 transitions. Second operand 7 states. [2021-10-11 00:34:16,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:16,780 INFO L93 Difference]: Finished difference Result 2146 states and 2601 transitions. [2021-10-11 00:34:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:34:16,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2021-10-11 00:34:16,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:16,786 INFO L225 Difference]: With dead ends: 2146 [2021-10-11 00:34:16,787 INFO L226 Difference]: Without dead ends: 1116 [2021-10-11 00:34:16,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:34:16,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-11 00:34:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-10-11 00:34:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2021-10-11 00:34:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1339 transitions. [2021-10-11 00:34:16,814 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1339 transitions. Word has length 273 [2021-10-11 00:34:16,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:16,815 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1339 transitions. [2021-10-11 00:34:16,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:34:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1339 transitions. [2021-10-11 00:34:16,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-10-11 00:34:16,821 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:16,822 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:16,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:34:16,822 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:16,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:16,823 INFO L82 PathProgramCache]: Analyzing trace with hash -872827254, now seen corresponding path program 1 times [2021-10-11 00:34:16,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:16,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246563155] [2021-10-11 00:34:16,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 31 proven. 86 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-11 00:34:17,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246563155] [2021-10-11 00:34:17,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436427170] [2021-10-11 00:34:17,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:34:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:17,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:34:17,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-11 00:34:17,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:34:17,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:34:17,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061115681] [2021-10-11 00:34:17,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:17,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:17,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:17,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:34:17,764 INFO L87 Difference]: Start difference. First operand 1116 states and 1339 transitions. Second operand 3 states. [2021-10-11 00:34:18,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:18,416 INFO L93 Difference]: Finished difference Result 2369 states and 2910 transitions. [2021-10-11 00:34:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:18,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2021-10-11 00:34:18,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:18,425 INFO L225 Difference]: With dead ends: 2369 [2021-10-11 00:34:18,425 INFO L226 Difference]: Without dead ends: 1394 [2021-10-11 00:34:18,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 308 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 00:34:18,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-10-11 00:34:18,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2021-10-11 00:34:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-10-11 00:34:18,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1493 transitions. [2021-10-11 00:34:18,458 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1493 transitions. Word has length 309 [2021-10-11 00:34:18,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:18,459 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1493 transitions. [2021-10-11 00:34:18,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:18,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1493 transitions. [2021-10-11 00:34:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-10-11 00:34:18,466 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:18,466 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:34:18,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:34:18,692 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:18,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:18,693 INFO L82 PathProgramCache]: Analyzing trace with hash -2043087437, now seen corresponding path program 1 times [2021-10-11 00:34:18,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:18,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997676121] [2021-10-11 00:34:18,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-10-11 00:34:18,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997676121] [2021-10-11 00:34:18,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:18,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:18,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012948493] [2021-10-11 00:34:18,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:18,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:18,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:18,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:18,998 INFO L87 Difference]: Start difference. First operand 1255 states and 1493 transitions. Second operand 3 states. [2021-10-11 00:34:19,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:19,701 INFO L93 Difference]: Finished difference Result 2228 states and 2651 transitions. [2021-10-11 00:34:19,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:19,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2021-10-11 00:34:19,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:19,703 INFO L225 Difference]: With dead ends: 2228 [2021-10-11 00:34:19,703 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:34:19,705 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 00:34:19,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:34:19,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:34:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:34:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:34:19,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 360 [2021-10-11 00:34:19,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:19,706 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:34:19,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:34:19,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:34:19,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:34:19,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:34:19,876 INFO L262 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-11 00:34:19,876 INFO L262 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-11 00:34:19,876 INFO L262 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-11 00:34:19,876 INFO L262 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-11 00:34:19,876 INFO L262 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-11 00:34:19,877 INFO L262 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-11 00:34:19,877 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,877 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,877 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,877 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,877 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,877 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,878 INFO L262 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-11 00:34:19,878 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-11 00:34:19,878 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-11 00:34:19,878 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-11 00:34:19,878 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-11 00:34:19,878 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-11 00:34:19,878 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-11 00:34:19,878 INFO L262 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-11 00:34:19,879 INFO L262 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-11 00:34:19,879 INFO L262 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-11 00:34:19,879 INFO L262 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-11 00:34:19,879 INFO L262 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-11 00:34:19,879 INFO L262 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-11 00:34:19,879 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,879 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,880 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,880 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,880 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,880 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,880 INFO L262 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-11 00:34:19,880 INFO L262 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-11 00:34:19,880 INFO L262 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-11 00:34:19,880 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-11 00:34:19,881 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-11 00:34:19,881 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-11 00:34:19,881 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-11 00:34:19,881 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-11 00:34:19,881 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-11 00:34:19,881 INFO L262 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-11 00:34:19,881 INFO L262 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-11 00:34:19,882 INFO L262 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-11 00:34:19,882 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,882 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,882 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,882 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,882 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,882 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,882 INFO L262 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-11 00:34:19,883 INFO L262 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-11 00:34:19,883 INFO L262 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-11 00:34:19,883 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-11 00:34:19,883 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-11 00:34:19,883 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-11 00:34:19,883 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-11 00:34:19,883 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-11 00:34:19,883 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-11 00:34:19,884 INFO L262 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-11 00:34:19,884 INFO L262 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-11 00:34:19,884 INFO L262 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-11 00:34:19,884 INFO L262 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-11 00:34:19,884 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,884 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,884 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,885 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,885 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,885 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,885 INFO L262 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-11 00:34:19,885 INFO L262 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-11 00:34:19,885 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-11 00:34:19,885 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-11 00:34:19,885 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-11 00:34:19,886 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-11 00:34:19,886 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-11 00:34:19,886 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-11 00:34:19,886 INFO L262 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-11 00:34:19,886 INFO L262 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-11 00:34:19,886 INFO L262 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-11 00:34:19,886 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,887 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,887 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,887 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,887 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,887 INFO L262 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-11 00:34:19,887 INFO L262 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-11 00:34:19,887 INFO L262 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-11 00:34:19,887 INFO L262 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-11 00:34:19,888 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-11 00:34:19,888 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-11 00:34:19,888 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-11 00:34:19,888 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-11 00:34:19,888 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-11 00:34:19,888 INFO L262 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-11 00:34:19,888 INFO L262 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-11 00:34:19,889 INFO L262 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-11 00:34:19,889 INFO L262 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-11 00:34:19,889 INFO L262 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-11 00:34:19,889 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,889 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,889 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,889 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,889 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,890 INFO L262 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-11 00:34:19,890 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:34:19,890 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-11 00:34:19,890 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-11 00:34:19,890 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-11 00:34:19,890 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-11 00:34:19,890 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-11 00:34:19,891 INFO L258 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and (<= 0 (+ ~a1~0 12)) .cse0 .cse1 .cse2) (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (<= ~a10~0 2) .cse1))) [2021-10-11 00:34:19,891 INFO L262 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-11 00:34:19,891 INFO L262 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-11 00:34:19,891 INFO L262 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-11 00:34:19,891 INFO L262 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-11 00:34:19,892 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,892 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,892 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,892 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,892 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,892 INFO L262 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-11 00:34:19,892 INFO L262 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-11 00:34:19,892 INFO L262 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-11 00:34:19,893 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-11 00:34:19,893 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-11 00:34:19,893 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-11 00:34:19,893 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-11 00:34:19,893 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-11 00:34:19,893 INFO L262 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-11 00:34:19,893 INFO L262 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-11 00:34:19,894 INFO L265 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-11 00:34:19,894 INFO L262 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-11 00:34:19,894 INFO L262 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-11 00:34:19,894 INFO L262 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-11 00:34:19,894 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:34:19,894 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,894 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,894 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,895 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,895 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,895 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-11 00:34:19,895 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-11 00:34:19,895 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-11 00:34:19,895 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-11 00:34:19,895 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-11 00:34:19,896 INFO L262 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-11 00:34:19,896 INFO L262 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-11 00:34:19,896 INFO L262 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-11 00:34:19,896 INFO L262 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-11 00:34:19,896 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,896 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,896 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,896 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,897 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:34:19,897 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,897 INFO L262 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-11 00:34:19,897 INFO L262 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-11 00:34:19,897 INFO L262 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-11 00:34:19,897 INFO L262 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-11 00:34:19,897 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-11 00:34:19,897 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-11 00:34:19,898 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-11 00:34:19,898 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-11 00:34:19,898 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-11 00:34:19,898 INFO L262 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-11 00:34:19,898 INFO L262 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-11 00:34:19,898 INFO L262 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-11 00:34:19,899 INFO L258 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and (<= 0 (+ ~a1~0 12)) .cse0 .cse1 .cse2) (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (<= ~a10~0 2) .cse1))) [2021-10-11 00:34:19,899 INFO L262 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-11 00:34:19,899 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,899 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,899 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,899 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,899 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-11 00:34:19,899 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,900 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,900 INFO L262 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-11 00:34:19,900 INFO L262 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-11 00:34:19,900 INFO L262 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-11 00:34:19,900 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-11 00:34:19,900 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-11 00:34:19,900 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-11 00:34:19,901 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-11 00:34:19,901 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-11 00:34:19,901 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-11 00:34:19,901 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:34:19,901 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 197) no Hoare annotation was computed. [2021-10-11 00:34:19,901 INFO L262 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-11 00:34:19,901 INFO L262 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-11 00:34:19,902 INFO L262 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-11 00:34:19,902 INFO L262 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-11 00:34:19,902 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,902 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,902 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,902 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,902 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,902 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-11 00:34:19,903 INFO L262 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-11 00:34:19,903 INFO L262 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-11 00:34:19,903 INFO L262 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-11 00:34:19,903 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-11 00:34:19,903 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-11 00:34:19,903 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-11 00:34:19,903 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-11 00:34:19,904 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-11 00:34:19,904 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-11 00:34:19,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:34:19 BoogieIcfgContainer [2021-10-11 00:34:19,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:34:19,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:34:19,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:34:19,922 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:34:19,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:07" (3/4) ... [2021-10-11 00:34:19,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:34:19,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:34:19,945 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:34:19,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:34:19,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:34:20,068 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5018eeea-4465-42c2-afde-dae91b7d98c1/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:34:20,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:34:20,070 INFO L168 Benchmark]: Toolchain (without parser) took 15133.87 ms. Allocated memory was 88.1 MB in the beginning and 352.3 MB in the end (delta: 264.2 MB). Free memory was 48.0 MB in the beginning and 134.9 MB in the end (delta: -86.9 MB). Peak memory consumption was 179.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:20,070 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 88.1 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:34:20,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.29 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 47.7 MB in the beginning and 61.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:20,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.84 ms. Allocated memory is still 107.0 MB. Free memory was 61.3 MB in the beginning and 52.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:20,071 INFO L168 Benchmark]: Boogie Preprocessor took 71.03 ms. Allocated memory is still 107.0 MB. Free memory was 52.9 MB in the beginning and 47.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:20,072 INFO L168 Benchmark]: RCFGBuilder took 1626.77 ms. Allocated memory is still 107.0 MB. Free memory was 47.9 MB in the beginning and 69.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:20,072 INFO L168 Benchmark]: TraceAbstraction took 12555.19 ms. Allocated memory was 107.0 MB in the beginning and 352.3 MB in the end (delta: 245.4 MB). Free memory was 69.5 MB in the beginning and 149.5 MB in the end (delta: -80.1 MB). Peak memory consumption was 168.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:20,073 INFO L168 Benchmark]: Witness Printer took 146.35 ms. Allocated memory is still 352.3 MB. Free memory was 149.5 MB in the beginning and 134.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:20,075 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 88.1 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 625.29 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 47.7 MB in the beginning and 61.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.84 ms. Allocated memory is still 107.0 MB. Free memory was 61.3 MB in the beginning and 52.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.03 ms. Allocated memory is still 107.0 MB. Free memory was 52.9 MB in the beginning and 47.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1626.77 ms. Allocated memory is still 107.0 MB. Free memory was 47.9 MB in the beginning and 69.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12555.19 ms. Allocated memory was 107.0 MB in the beginning and 352.3 MB in the end (delta: 245.4 MB). Free memory was 69.5 MB in the beginning and 149.5 MB in the end (delta: -80.1 MB). Peak memory consumption was 168.4 MB. Max. memory is 16.1 GB. * Witness Printer took 146.35 ms. Allocated memory is still 352.3 MB. Free memory was 149.5 MB in the beginning and 134.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 197]: 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: 592]: Loop Invariant Derived loop invariant: (((((14 == a4 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((0 <= a1 + 12 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 <= 2) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((14 == a4 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((0 <= a1 + 12 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 <= 2) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.2s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 681 SDtfs, 936 SDslu, 47 SDs, 0 SdLazy, 3825 SolverSat, 614 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 663 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 695 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 105 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1142 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2871 NumberOfCodeBlocks, 2871 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2858 ConstructedInterpolants, 0 QuantifiedInterpolants, 2478412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 964 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 1953/2171 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...