./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label01.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_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/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_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/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_21e9fbe6-0903-4a76-b991-a129209d6c3b/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 81c0ce4bbe6e9ab2e32ee97298c1b567b29fd94b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:21:42,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:42,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:42,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:42,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:42,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:42,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:42,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:42,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:42,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:42,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:42,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:42,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:42,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:42,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:42,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:42,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:42,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:42,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:42,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:42,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:42,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:42,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:42,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:42,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:42,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:42,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:42,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:42,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:42,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:42,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:42,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:42,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:42,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:42,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:42,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:42,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:42,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:42,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:42,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:42,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:42,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:21:42,980 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:42,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:42,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:42,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:42,982 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:42,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:42,982 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:42,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:42,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:42,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:42,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:42,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:42,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:42,984 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:42,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:42,984 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:42,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:42,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:42,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:42,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:42,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:42,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:42,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:42,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:42,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:42,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:21:42,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:42,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:42,987 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_21e9fbe6-0903-4a76-b991-a129209d6c3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81c0ce4bbe6e9ab2e32ee97298c1b567b29fd94b [2021-10-11 00:21:43,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:43,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:43,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:43,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:43,330 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:43,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem01_label01.c [2021-10-11 00:21:43,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/data/4f2984a4b/e9a82bbde2874425b515997df36f93ae/FLAGe519637af [2021-10-11 00:21:44,095 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:44,107 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/sv-benchmarks/c/eca-rers2012/Problem01_label01.c [2021-10-11 00:21:44,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/data/4f2984a4b/e9a82bbde2874425b515997df36f93ae/FLAGe519637af [2021-10-11 00:21:44,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/data/4f2984a4b/e9a82bbde2874425b515997df36f93ae [2021-10-11 00:21:44,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:44,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:44,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:44,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:44,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:44,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:44" (1/1) ... [2021-10-11 00:21:44,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b34bc30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:44, skipping insertion in model container [2021-10-11 00:21:44,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:44" (1/1) ... [2021-10-11 00:21:44,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:44,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:44,801 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_21e9fbe6-0903-4a76-b991-a129209d6c3b/sv-benchmarks/c/eca-rers2012/Problem01_label01.c[16869,16882] [2021-10-11 00:21:44,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:44,864 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:45,004 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_21e9fbe6-0903-4a76-b991-a129209d6c3b/sv-benchmarks/c/eca-rers2012/Problem01_label01.c[16869,16882] [2021-10-11 00:21:45,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:45,051 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:45,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45 WrapperNode [2021-10-11 00:21:45,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:45,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:45,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:45,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:45,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... [2021-10-11 00:21:45,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... [2021-10-11 00:21:45,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:45,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:45,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:45,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:45,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... [2021-10-11 00:21:45,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... [2021-10-11 00:21:45,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... [2021-10-11 00:21:45,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... [2021-10-11 00:21:45,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... [2021-10-11 00:21:45,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... [2021-10-11 00:21:45,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... [2021-10-11 00:21:45,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:45,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:45,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:45,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:45,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:46,819 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:46,819 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:21:46,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:46 BoogieIcfgContainer [2021-10-11 00:21:46,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:46,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:46,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:46,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:46,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:44" (1/3) ... [2021-10-11 00:21:46,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c87d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:46, skipping insertion in model container [2021-10-11 00:21:46,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:45" (2/3) ... [2021-10-11 00:21:46,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c87d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:46, skipping insertion in model container [2021-10-11 00:21:46,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:46" (3/3) ... [2021-10-11 00:21:46,834 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label01.c [2021-10-11 00:21:46,846 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:46,849 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:21:46,861 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:21:46,887 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:46,887 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:46,887 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:46,887 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:46,887 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:46,887 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:46,888 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:46,888 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2021-10-11 00:21:46,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-11 00:21:46,917 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:46,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:46,918 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:46,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:46,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1687716446, now seen corresponding path program 1 times [2021-10-11 00:21:46,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:46,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299719410] [2021-10-11 00:21:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:47,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:47,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299719410] [2021-10-11 00:21:47,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:47,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:47,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375316826] [2021-10-11 00:21:47,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:47,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:47,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:47,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:47,443 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2021-10-11 00:21:48,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:48,274 INFO L93 Difference]: Finished difference Result 553 states and 940 transitions. [2021-10-11 00:21:48,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:48,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2021-10-11 00:21:48,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:48,301 INFO L225 Difference]: With dead ends: 553 [2021-10-11 00:21:48,302 INFO L226 Difference]: Without dead ends: 266 [2021-10-11 00:21:48,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:48,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-11 00:21:48,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-10-11 00:21:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2021-10-11 00:21:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2021-10-11 00:21:48,366 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 91 [2021-10-11 00:21:48,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:48,367 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2021-10-11 00:21:48,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2021-10-11 00:21:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-11 00:21:48,372 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:48,372 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:48,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:21:48,373 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:48,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:48,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2029846293, now seen corresponding path program 1 times [2021-10-11 00:21:48,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:48,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62299879] [2021-10-11 00:21:48,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:48,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62299879] [2021-10-11 00:21:48,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:48,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:48,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178058650] [2021-10-11 00:21:48,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:48,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:48,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:48,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:48,494 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2021-10-11 00:21:49,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:49,133 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2021-10-11 00:21:49,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:49,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-10-11 00:21:49,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:49,139 INFO L225 Difference]: With dead ends: 792 [2021-10-11 00:21:49,139 INFO L226 Difference]: Without dead ends: 528 [2021-10-11 00:21:49,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:49,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-11 00:21:49,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-10-11 00:21:49,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2021-10-11 00:21:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2021-10-11 00:21:49,177 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 97 [2021-10-11 00:21:49,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:49,177 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2021-10-11 00:21:49,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2021-10-11 00:21:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-11 00:21:49,184 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:49,184 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:49,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:21:49,184 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:49,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:49,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1369105899, now seen corresponding path program 1 times [2021-10-11 00:21:49,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:49,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938659682] [2021-10-11 00:21:49,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:49,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:49,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938659682] [2021-10-11 00:21:49,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:49,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:49,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028502791] [2021-10-11 00:21:49,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:49,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:49,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:49,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:49,322 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand 3 states. [2021-10-11 00:21:49,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:49,910 INFO L93 Difference]: Finished difference Result 1578 states and 2122 transitions. [2021-10-11 00:21:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:49,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2021-10-11 00:21:49,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:49,921 INFO L225 Difference]: With dead ends: 1578 [2021-10-11 00:21:49,922 INFO L226 Difference]: Without dead ends: 1052 [2021-10-11 00:21:49,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:49,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2021-10-11 00:21:49,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2021-10-11 00:21:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-10-11 00:21:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1341 transitions. [2021-10-11 00:21:49,983 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1341 transitions. Word has length 98 [2021-10-11 00:21:49,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:49,983 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1341 transitions. [2021-10-11 00:21:49,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:49,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1341 transitions. [2021-10-11 00:21:49,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-11 00:21:49,996 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:50,003 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:50,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:21:50,004 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:50,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:50,007 INFO L82 PathProgramCache]: Analyzing trace with hash 410606261, now seen corresponding path program 1 times [2021-10-11 00:21:50,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:50,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722149200] [2021-10-11 00:21:50,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:50,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722149200] [2021-10-11 00:21:50,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:50,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:50,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343833848] [2021-10-11 00:21:50,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:50,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:50,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:50,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:50,123 INFO L87 Difference]: Start difference. First operand 1052 states and 1341 transitions. Second operand 3 states. [2021-10-11 00:21:50,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:50,674 INFO L93 Difference]: Finished difference Result 2364 states and 3015 transitions. [2021-10-11 00:21:50,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:50,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2021-10-11 00:21:50,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:50,684 INFO L225 Difference]: With dead ends: 2364 [2021-10-11 00:21:50,685 INFO L226 Difference]: Without dead ends: 1314 [2021-10-11 00:21:50,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:50,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2021-10-11 00:21:50,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2021-10-11 00:21:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2021-10-11 00:21:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1622 transitions. [2021-10-11 00:21:50,727 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1622 transitions. Word has length 102 [2021-10-11 00:21:50,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:50,728 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1622 transitions. [2021-10-11 00:21:50,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1622 transitions. [2021-10-11 00:21:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-11 00:21:50,732 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:50,732 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:50,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:21:50,732 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:50,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:50,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1039825171, now seen corresponding path program 1 times [2021-10-11 00:21:50,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:50,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83955257] [2021-10-11 00:21:50,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:21:50,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83955257] [2021-10-11 00:21:50,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:50,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:50,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144944986] [2021-10-11 00:21:50,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:50,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:50,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:50,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:50,870 INFO L87 Difference]: Start difference. First operand 1314 states and 1622 transitions. Second operand 3 states. [2021-10-11 00:21:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:51,453 INFO L93 Difference]: Finished difference Result 3543 states and 4376 transitions. [2021-10-11 00:21:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:51,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-10-11 00:21:51,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:51,466 INFO L225 Difference]: With dead ends: 3543 [2021-10-11 00:21:51,467 INFO L226 Difference]: Without dead ends: 2231 [2021-10-11 00:21:51,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:51,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-10-11 00:21:51,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1969. [2021-10-11 00:21:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2021-10-11 00:21:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2350 transitions. [2021-10-11 00:21:51,531 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2350 transitions. Word has length 106 [2021-10-11 00:21:51,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:51,532 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2350 transitions. [2021-10-11 00:21:51,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2350 transitions. [2021-10-11 00:21:51,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-11 00:21:51,536 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:51,536 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:51,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:21:51,539 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:51,539 INFO L82 PathProgramCache]: Analyzing trace with hash 431747154, now seen corresponding path program 1 times [2021-10-11 00:21:51,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:51,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249559736] [2021-10-11 00:21:51,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:51,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249559736] [2021-10-11 00:21:51,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:51,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:51,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115539266] [2021-10-11 00:21:51,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:51,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:51,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:51,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:51,660 INFO L87 Difference]: Start difference. First operand 1969 states and 2350 transitions. Second operand 3 states. [2021-10-11 00:21:52,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:52,216 INFO L93 Difference]: Finished difference Result 3674 states and 4399 transitions. [2021-10-11 00:21:52,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:52,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2021-10-11 00:21:52,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:52,225 INFO L225 Difference]: With dead ends: 3674 [2021-10-11 00:21:52,225 INFO L226 Difference]: Without dead ends: 1576 [2021-10-11 00:21:52,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:52,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-10-11 00:21:52,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1314. [2021-10-11 00:21:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2021-10-11 00:21:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1436 transitions. [2021-10-11 00:21:52,264 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1436 transitions. Word has length 113 [2021-10-11 00:21:52,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:52,264 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1436 transitions. [2021-10-11 00:21:52,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1436 transitions. [2021-10-11 00:21:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-11 00:21:52,267 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:52,268 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:52,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:21:52,268 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:52,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:52,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1798535755, now seen corresponding path program 1 times [2021-10-11 00:21:52,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:52,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028884266] [2021-10-11 00:21:52,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:21:52,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028884266] [2021-10-11 00:21:52,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:52,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:52,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076492329] [2021-10-11 00:21:52,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:52,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:52,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:52,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:52,320 INFO L87 Difference]: Start difference. First operand 1314 states and 1436 transitions. Second operand 3 states. [2021-10-11 00:21:52,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:52,853 INFO L93 Difference]: Finished difference Result 3281 states and 3605 transitions. [2021-10-11 00:21:52,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:52,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2021-10-11 00:21:52,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:52,864 INFO L225 Difference]: With dead ends: 3281 [2021-10-11 00:21:52,864 INFO L226 Difference]: Without dead ends: 1838 [2021-10-11 00:21:52,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:52,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2021-10-11 00:21:52,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1576. [2021-10-11 00:21:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2021-10-11 00:21:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1753 transitions. [2021-10-11 00:21:52,908 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1753 transitions. Word has length 115 [2021-10-11 00:21:52,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:52,909 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1753 transitions. [2021-10-11 00:21:52,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1753 transitions. [2021-10-11 00:21:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-11 00:21:52,913 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:52,913 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:52,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:21:52,914 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:52,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:52,914 INFO L82 PathProgramCache]: Analyzing trace with hash 20952950, now seen corresponding path program 1 times [2021-10-11 00:21:52,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:52,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485868941] [2021-10-11 00:21:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-11 00:21:52,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485868941] [2021-10-11 00:21:52,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:52,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:52,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415566159] [2021-10-11 00:21:52,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:52,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:52,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:52,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:52,992 INFO L87 Difference]: Start difference. First operand 1576 states and 1753 transitions. Second operand 3 states. [2021-10-11 00:21:53,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:53,484 INFO L93 Difference]: Finished difference Result 3543 states and 3941 transitions. [2021-10-11 00:21:53,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:53,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2021-10-11 00:21:53,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:53,494 INFO L225 Difference]: With dead ends: 3543 [2021-10-11 00:21:53,494 INFO L226 Difference]: Without dead ends: 1838 [2021-10-11 00:21:53,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:53,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2021-10-11 00:21:53,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2021-10-11 00:21:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2021-10-11 00:21:53,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2026 transitions. [2021-10-11 00:21:53,539 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2026 transitions. Word has length 150 [2021-10-11 00:21:53,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:53,540 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 2026 transitions. [2021-10-11 00:21:53,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:53,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2026 transitions. [2021-10-11 00:21:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-11 00:21:53,545 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:53,545 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:53,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:21:53,546 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:53,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:53,546 INFO L82 PathProgramCache]: Analyzing trace with hash 59257480, now seen corresponding path program 1 times [2021-10-11 00:21:53,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:53,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899811633] [2021-10-11 00:21:53,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-11 00:21:53,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899811633] [2021-10-11 00:21:53,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863005379] [2021-10-11 00:21:53,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:21:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:53,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:21:53,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-11 00:21:54,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:21:54,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-11 00:21:54,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135908939] [2021-10-11 00:21:54,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:54,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:54,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:54,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:54,209 INFO L87 Difference]: Start difference. First operand 1838 states and 2026 transitions. Second operand 3 states. [2021-10-11 00:21:54,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:54,726 INFO L93 Difference]: Finished difference Result 3803 states and 4195 transitions. [2021-10-11 00:21:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:54,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2021-10-11 00:21:54,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:54,727 INFO L225 Difference]: With dead ends: 3803 [2021-10-11 00:21:54,727 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:21:54,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:54,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:21:54,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:21:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:21:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:54,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2021-10-11 00:21:54,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:54,733 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:54,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:54,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:54,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:21:54,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-10-11 00:21:54,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:21:55,124 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-10-11 00:21:55,234 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-10-11 00:21:55,238 INFO L262 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2021-10-11 00:21:55,238 INFO L262 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2021-10-11 00:21:55,238 INFO L262 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2021-10-11 00:21:55,238 INFO L262 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2021-10-11 00:21:55,239 INFO L262 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2021-10-11 00:21:55,239 INFO L262 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-10-11 00:21:55,239 INFO L262 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2021-10-11 00:21:55,239 INFO L262 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-10-11 00:21:55,239 INFO L262 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,239 INFO L262 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,239 INFO L262 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,241 INFO L262 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,241 INFO L262 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-10-11 00:21:55,242 INFO L262 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,242 INFO L262 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,243 INFO L262 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-10-11 00:21:55,243 INFO L262 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-10-11 00:21:55,243 INFO L262 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2021-10-11 00:21:55,243 INFO L262 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2021-10-11 00:21:55,243 INFO L262 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2021-10-11 00:21:55,244 INFO L262 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2021-10-11 00:21:55,244 INFO L262 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2021-10-11 00:21:55,244 INFO L262 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2021-10-11 00:21:55,245 INFO L262 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-10-11 00:21:55,245 INFO L262 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-10-11 00:21:55,245 INFO L262 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-10-11 00:21:55,245 INFO L262 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-10-11 00:21:55,246 INFO L262 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,246 INFO L262 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,246 INFO L262 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,246 INFO L262 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,246 INFO L262 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,246 INFO L262 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-10-11 00:21:55,246 INFO L262 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,247 INFO L262 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-10-11 00:21:55,247 INFO L262 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-10-11 00:21:55,247 INFO L262 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2021-10-11 00:21:55,247 INFO L262 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2021-10-11 00:21:55,247 INFO L262 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2021-10-11 00:21:55,247 INFO L262 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2021-10-11 00:21:55,247 INFO L262 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2021-10-11 00:21:55,247 INFO L262 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2021-10-11 00:21:55,247 INFO L262 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-10-11 00:21:55,248 INFO L262 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-10-11 00:21:55,248 INFO L262 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-10-11 00:21:55,248 INFO L262 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-10-11 00:21:55,248 INFO L262 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-10-11 00:21:55,248 INFO L262 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-10-11 00:21:55,248 INFO L262 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,248 INFO L262 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,248 INFO L262 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,249 INFO L262 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,249 INFO L262 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,249 INFO L262 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,249 INFO L262 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-10-11 00:21:55,249 INFO L262 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2021-10-11 00:21:55,249 INFO L262 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2021-10-11 00:21:55,249 INFO L262 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-11 00:21:55,249 INFO L262 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2021-10-11 00:21:55,250 INFO L262 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-11 00:21:55,250 INFO L262 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-11 00:21:55,250 INFO L262 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-10-11 00:21:55,250 INFO L262 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-10-11 00:21:55,250 INFO L262 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-10-11 00:21:55,250 INFO L262 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-10-11 00:21:55,250 INFO L262 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-10-11 00:21:55,250 INFO L262 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,251 INFO L262 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,251 INFO L262 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,251 INFO L262 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,251 INFO L262 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,251 INFO L262 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,251 INFO L262 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-10-11 00:21:55,251 INFO L262 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-10-11 00:21:55,251 INFO L262 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2021-10-11 00:21:55,252 INFO L262 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2021-10-11 00:21:55,252 INFO L262 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2021-10-11 00:21:55,252 INFO L262 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2021-10-11 00:21:55,252 INFO L262 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2021-10-11 00:21:55,252 INFO L262 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2021-10-11 00:21:55,252 INFO L262 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-10-11 00:21:55,252 INFO L262 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-10-11 00:21:55,252 INFO L262 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,253 INFO L262 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,253 INFO L262 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,253 INFO L262 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,253 INFO L262 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,253 INFO L262 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,253 INFO L262 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-10-11 00:21:55,253 INFO L262 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-10-11 00:21:55,257 INFO L262 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2021-10-11 00:21:55,257 INFO L262 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2021-10-11 00:21:55,257 INFO L262 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2021-10-11 00:21:55,258 INFO L262 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2021-10-11 00:21:55,258 INFO L262 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2021-10-11 00:21:55,258 INFO L262 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2021-10-11 00:21:55,258 INFO L262 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-10-11 00:21:55,258 INFO L262 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-10-11 00:21:55,258 INFO L262 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-10-11 00:21:55,258 INFO L262 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-10-11 00:21:55,259 INFO L262 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-10-11 00:21:55,259 INFO L262 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-10-11 00:21:55,259 INFO L262 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-10-11 00:21:55,259 INFO L262 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,259 INFO L262 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,259 INFO L262 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,259 INFO L262 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,259 INFO L262 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,260 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:55,260 INFO L262 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-10-11 00:21:55,260 INFO L262 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-10-11 00:21:55,260 INFO L262 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2021-10-11 00:21:55,260 INFO L262 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2021-10-11 00:21:55,260 INFO L262 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2021-10-11 00:21:55,260 INFO L262 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2021-10-11 00:21:55,260 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-11 00:21:55,261 INFO L262 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2021-10-11 00:21:55,261 INFO L262 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-10-11 00:21:55,261 INFO L258 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse6 (<= ~a17~0 0)) (.cse1 (= ~a7~0 0)) (.cse3 (= ~a7~0 1)) (.cse4 (<= ~a16~0 5)) (.cse5 (= ~a20~0 1)) (.cse2 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (and .cse3 .cse6) (and .cse3 (<= ~a16~0 4)) (and .cse6 .cse1) (and .cse3 .cse4 .cse5 .cse2))) [2021-10-11 00:21:55,262 INFO L262 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,262 INFO L262 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,262 INFO L262 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,262 INFO L262 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,264 INFO L262 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,264 INFO L262 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-10-11 00:21:55,264 INFO L262 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2021-10-11 00:21:55,265 INFO L262 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2021-10-11 00:21:55,265 INFO L262 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2021-10-11 00:21:55,265 INFO L262 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2021-10-11 00:21:55,265 INFO L262 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2021-10-11 00:21:55,265 INFO L262 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-10-11 00:21:55,265 INFO L262 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-10-11 00:21:55,265 INFO L262 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-10-11 00:21:55,265 INFO L262 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-10-11 00:21:55,266 INFO L262 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-10-11 00:21:55,266 INFO L262 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-10-11 00:21:55,266 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:55,266 INFO L262 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-10-11 00:21:55,267 INFO L265 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-10-11 00:21:55,267 INFO L262 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,267 INFO L262 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,267 INFO L262 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,268 INFO L262 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,268 INFO L262 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,268 INFO L262 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-10-11 00:21:55,268 INFO L262 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-10-11 00:21:55,268 INFO L262 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-10-11 00:21:55,268 INFO L262 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2021-10-11 00:21:55,268 INFO L262 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2021-10-11 00:21:55,268 INFO L262 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2021-10-11 00:21:55,269 INFO L262 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2021-10-11 00:21:55,269 INFO L262 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2021-10-11 00:21:55,269 INFO L262 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-10-11 00:21:55,269 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:55,269 INFO L262 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,269 INFO L262 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,269 INFO L262 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,270 INFO L262 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,270 INFO L262 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-10-11 00:21:55,270 INFO L262 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,270 INFO L262 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-10-11 00:21:55,270 INFO L262 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-10-11 00:21:55,270 INFO L262 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2021-10-11 00:21:55,270 INFO L262 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2021-10-11 00:21:55,270 INFO L262 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2021-10-11 00:21:55,271 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-11 00:21:55,271 INFO L262 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2021-10-11 00:21:55,271 INFO L262 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-10-11 00:21:55,271 INFO L262 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-10-11 00:21:55,271 INFO L262 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-10-11 00:21:55,271 INFO L262 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-10-11 00:21:55,271 INFO L262 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-10-11 00:21:55,271 INFO L262 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-10-11 00:21:55,272 INFO L262 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,272 INFO L258 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse6 (<= ~a17~0 0)) (.cse1 (= ~a7~0 0)) (.cse3 (= ~a7~0 1)) (.cse4 (<= ~a16~0 5)) (.cse5 (= ~a20~0 1)) (.cse2 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (and .cse3 .cse6) (and .cse3 (<= ~a16~0 4)) (and .cse6 .cse1) (and .cse3 .cse4 .cse5 .cse2))) [2021-10-11 00:21:55,272 INFO L262 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,272 INFO L262 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,272 INFO L262 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,272 INFO L262 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,272 INFO L262 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-10-11 00:21:55,273 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:55,273 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 459) no Hoare annotation was computed. [2021-10-11 00:21:55,273 INFO L262 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2021-10-11 00:21:55,273 INFO L262 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2021-10-11 00:21:55,273 INFO L262 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2021-10-11 00:21:55,273 INFO L262 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2021-10-11 00:21:55,273 INFO L262 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-11 00:21:55,274 INFO L262 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-10-11 00:21:55,274 INFO L262 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-10-11 00:21:55,274 INFO L262 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,274 INFO L262 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,274 INFO L262 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,274 INFO L262 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,274 INFO L262 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:21:55,274 INFO L262 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-10-11 00:21:55,275 INFO L262 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-10-11 00:21:55,275 INFO L262 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-10-11 00:21:55,275 INFO L262 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-10-11 00:21:55,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:55 BoogieIcfgContainer [2021-10-11 00:21:55,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:55,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:55,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:55,312 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:55,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:46" (3/4) ... [2021-10-11 00:21:55,315 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:55,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:21:55,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:21:55,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:55,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:55,508 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e9fbe6-0903-4a76-b991-a129209d6c3b/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:55,509 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:55,510 INFO L168 Benchmark]: Toolchain (without parser) took 11188.85 ms. Allocated memory was 151.0 MB in the beginning and 287.3 MB in the end (delta: 136.3 MB). Free memory was 114.9 MB in the beginning and 201.3 MB in the end (delta: -86.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:55,510 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:55,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.84 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 106.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:55,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.49 ms. Allocated memory is still 151.0 MB. Free memory was 106.8 MB in the beginning and 100.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:55,512 INFO L168 Benchmark]: Boogie Preprocessor took 109.34 ms. Allocated memory is still 151.0 MB. Free memory was 100.9 MB in the beginning and 96.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:55,512 INFO L168 Benchmark]: RCFGBuilder took 1541.41 ms. Allocated memory was 151.0 MB in the beginning and 197.1 MB in the end (delta: 46.1 MB). Free memory was 96.3 MB in the beginning and 153.8 MB in the end (delta: -57.5 MB). Peak memory consumption was 54.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:55,513 INFO L168 Benchmark]: TraceAbstraction took 8485.03 ms. Allocated memory was 197.1 MB in the beginning and 287.3 MB in the end (delta: 90.2 MB). Free memory was 152.8 MB in the beginning and 216.0 MB in the end (delta: -63.2 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:55,513 INFO L168 Benchmark]: Witness Printer took 197.55 ms. Allocated memory is still 287.3 MB. Free memory was 216.0 MB in the beginning and 201.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:55,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 729.84 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 106.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.49 ms. Allocated memory is still 151.0 MB. Free memory was 106.8 MB in the beginning and 100.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.34 ms. Allocated memory is still 151.0 MB. Free memory was 100.9 MB in the beginning and 96.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1541.41 ms. Allocated memory was 151.0 MB in the beginning and 197.1 MB in the end (delta: 46.1 MB). Free memory was 96.3 MB in the beginning and 153.8 MB in the end (delta: -57.5 MB). Peak memory consumption was 54.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8485.03 ms. Allocated memory was 197.1 MB in the beginning and 287.3 MB in the end (delta: 90.2 MB). Free memory was 152.8 MB in the beginning and 216.0 MB in the end (delta: -63.2 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.1 GB. * Witness Printer took 197.55 ms. Allocated memory is still 287.3 MB. Free memory was 216.0 MB in the beginning and 201.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 459]: 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: 40]: Loop Invariant Derived loop invariant: ((((((a21 == 1 && a7 == 0) && a17 == 1) || (((a21 == 1 && a7 == 1) && a16 <= 5) && a20 == 1)) || (a7 == 1 && a17 <= 0)) || (a7 == 1 && a16 <= 4)) || (a17 <= 0 && a7 == 0)) || (((a7 == 1 && a16 <= 5) && a20 == 1) && a17 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((a21 == 1 && a7 == 0) && a17 == 1) || (((a21 == 1 && a7 == 1) && a16 <= 5) && a20 == 1)) || (a7 == 1 && a17 <= 0)) || (a7 == 1 && a16 <= 4)) || (a17 <= 0 && a7 == 0)) || (((a7 == 1 && a16 <= 5) && a20 == 1) && a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.0s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 796 SDtfs, 958 SDslu, 45 SDs, 0 SdLazy, 2970 SolverSat, 524 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 786 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 117 HoareAnnotationTreeSize, 3 FomulaSimplifications, 584 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1212 NumberOfCodeBlocks, 1212 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1202 ConstructedInterpolants, 0 QuantifiedInterpolants, 300447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 404 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 545/548 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...