./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer --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 0899c1dba001c29029a8856598ba067fadfc69b9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:29:44,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:29:44,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:29:44,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:29:44,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:29:44,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:29:44,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:29:44,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:29:44,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:29:44,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:29:44,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:29:44,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:29:44,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:29:44,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:29:44,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:29:44,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:29:44,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:29:44,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:29:44,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:29:44,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:29:44,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:29:44,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:29:44,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:29:44,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:29:44,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:29:44,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:29:44,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:29:44,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:29:44,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:29:44,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:29:44,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:29:44,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:29:44,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:29:44,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:29:44,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:29:44,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:29:44,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:29:44,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:29:44,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:29:44,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:29:44,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:29:44,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:29:44,998 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:29:45,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:29:45,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:29:45,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:29:45,004 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:29:45,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:29:45,005 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:29:45,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:29:45,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:29:45,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:29:45,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:29:45,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:29:45,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:29:45,008 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:29:45,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:29:45,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:29:45,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:29:45,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:29:45,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:29:45,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:29:45,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:29:45,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:29:45,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:29:45,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:29:45,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:29:45,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:29:45,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:29:45,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:29:45,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:29:45,012 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-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0899c1dba001c29029a8856598ba067fadfc69b9 [2020-11-30 01:29:45,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:29:45,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:29:45,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:29:45,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:29:45,337 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:29:45,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c [2020-11-30 01:29:45,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/data/400d74748/1953624a677946b0b4f6b317843e8fba/FLAGf3bab0b37 [2020-11-30 01:29:46,101 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:29:46,102 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/sv-benchmarks/c/eca-rers2012/Problem02_label49.c [2020-11-30 01:29:46,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/data/400d74748/1953624a677946b0b4f6b317843e8fba/FLAGf3bab0b37 [2020-11-30 01:29:46,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/data/400d74748/1953624a677946b0b4f6b317843e8fba [2020-11-30 01:29:46,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:29:46,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:29:46,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:46,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:29:46,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:29:46,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b93476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46, skipping insertion in model container [2020-11-30 01:29:46,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:29:46,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:29:47,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:47,030 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:29:47,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:47,161 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:29:47,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47 WrapperNode [2020-11-30 01:29:47,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:47,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:47,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:29:47,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:29:47,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:47,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:29:47,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:29:47,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:29:47,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:29:47,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:29:47,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:29:47,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:29:47,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/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 [2020-11-30 01:29:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:29:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:29:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:29:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:29:49,283 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:29:49,283 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:29:49,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:49 BoogieIcfgContainer [2020-11-30 01:29:49,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:29:49,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:29:49,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:29:49,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:29:49,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:29:46" (1/3) ... [2020-11-30 01:29:49,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b182f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:29:49, skipping insertion in model container [2020-11-30 01:29:49,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47" (2/3) ... [2020-11-30 01:29:49,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b182f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:29:49, skipping insertion in model container [2020-11-30 01:29:49,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:49" (3/3) ... [2020-11-30 01:29:49,298 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label49.c [2020-11-30 01:29:49,308 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:29:49,313 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:29:49,323 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:29:49,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:29:49,358 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:29:49,358 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:29:49,359 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:29:49,359 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:29:49,359 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:29:49,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:29:49,359 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:29:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-30 01:29:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-30 01:29:49,401 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:49,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:49,402 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:49,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:49,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1378216101, now seen corresponding path program 1 times [2020-11-30 01:29:49,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:49,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856999897] [2020-11-30 01:29:49,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:50,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856999897] [2020-11-30 01:29:50,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:50,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:29:50,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822788823] [2020-11-30 01:29:50,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:50,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:50,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:50,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:50,073 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-30 01:29:51,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:51,243 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-11-30 01:29:51,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:51,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-11-30 01:29:51,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:51,261 INFO L225 Difference]: With dead ends: 602 [2020-11-30 01:29:51,262 INFO L226 Difference]: Without dead ends: 310 [2020-11-30 01:29:51,267 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 [2020-11-30 01:29:51,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-11-30 01:29:51,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-11-30 01:29:51,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-30 01:29:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-11-30 01:29:51,345 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 125 [2020-11-30 01:29:51,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:51,347 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-11-30 01:29:51,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-11-30 01:29:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-11-30 01:29:51,352 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:51,352 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:51,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:29:51,353 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:51,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:51,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1296989112, now seen corresponding path program 1 times [2020-11-30 01:29:51,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:51,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630256441] [2020-11-30 01:29:51,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:51,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630256441] [2020-11-30 01:29:51,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:51,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:29:51,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845724772] [2020-11-30 01:29:51,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:51,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:51,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:51,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:51,481 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-11-30 01:29:52,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:52,340 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-11-30 01:29:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:52,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-11-30 01:29:52,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:52,349 INFO L225 Difference]: With dead ends: 902 [2020-11-30 01:29:52,349 INFO L226 Difference]: Without dead ends: 594 [2020-11-30 01:29:52,352 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 [2020-11-30 01:29:52,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-11-30 01:29:52,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-11-30 01:29:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-11-30 01:29:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 752 transitions. [2020-11-30 01:29:52,422 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 752 transitions. Word has length 143 [2020-11-30 01:29:52,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:52,423 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 752 transitions. [2020-11-30 01:29:52,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 752 transitions. [2020-11-30 01:29:52,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-30 01:29:52,430 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:52,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:52,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:29:52,431 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:52,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:52,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1992994136, now seen corresponding path program 1 times [2020-11-30 01:29:52,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:52,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267116769] [2020-11-30 01:29:52,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:52,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267116769] [2020-11-30 01:29:52,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:52,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:29:52,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411643319] [2020-11-30 01:29:52,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:52,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:52,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:52,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:52,606 INFO L87 Difference]: Start difference. First operand 592 states and 752 transitions. Second operand 3 states. [2020-11-30 01:29:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:53,043 INFO L93 Difference]: Finished difference Result 1172 states and 1489 transitions. [2020-11-30 01:29:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:53,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-11-30 01:29:53,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:53,048 INFO L225 Difference]: With dead ends: 1172 [2020-11-30 01:29:53,048 INFO L226 Difference]: Without dead ends: 582 [2020-11-30 01:29:53,050 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 [2020-11-30 01:29:53,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-11-30 01:29:53,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-11-30 01:29:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-11-30 01:29:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 699 transitions. [2020-11-30 01:29:53,073 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 699 transitions. Word has length 144 [2020-11-30 01:29:53,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:53,074 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 699 transitions. [2020-11-30 01:29:53,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:53,074 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 699 transitions. [2020-11-30 01:29:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 01:29:53,077 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:53,078 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:53,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:29:53,079 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:53,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:53,080 INFO L82 PathProgramCache]: Analyzing trace with hash 676952203, now seen corresponding path program 1 times [2020-11-30 01:29:53,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:53,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372236628] [2020-11-30 01:29:53,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:53,197 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:53,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372236628] [2020-11-30 01:29:53,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:53,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:29:53,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177345988] [2020-11-30 01:29:53,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:53,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:53,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:53,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:53,200 INFO L87 Difference]: Start difference. First operand 582 states and 699 transitions. Second operand 3 states. [2020-11-30 01:29:53,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:53,864 INFO L93 Difference]: Finished difference Result 1302 states and 1571 transitions. [2020-11-30 01:29:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:53,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-30 01:29:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:53,873 INFO L225 Difference]: With dead ends: 1302 [2020-11-30 01:29:53,873 INFO L226 Difference]: Without dead ends: 722 [2020-11-30 01:29:53,874 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 [2020-11-30 01:29:53,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-11-30 01:29:53,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-11-30 01:29:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-11-30 01:29:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 854 transitions. [2020-11-30 01:29:53,911 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 854 transitions. Word has length 148 [2020-11-30 01:29:53,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:53,912 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 854 transitions. [2020-11-30 01:29:53,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 854 transitions. [2020-11-30 01:29:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-30 01:29:53,916 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:53,916 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:53,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:29:53,917 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:53,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:53,918 INFO L82 PathProgramCache]: Analyzing trace with hash 806364245, now seen corresponding path program 1 times [2020-11-30 01:29:53,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:53,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118768054] [2020-11-30 01:29:53,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:54,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118768054] [2020-11-30 01:29:54,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114441931] [2020-11-30 01:29:54,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/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 [2020-11-30 01:29:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:54,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:29:54,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:29:54,769 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:29:54,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:29:54,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 01:29:54,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064089889] [2020-11-30 01:29:54,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:54,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:54,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:54,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:29:54,772 INFO L87 Difference]: Start difference. First operand 722 states and 854 transitions. Second operand 3 states. [2020-11-30 01:29:55,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:55,694 INFO L93 Difference]: Finished difference Result 2007 states and 2367 transitions. [2020-11-30 01:29:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:55,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-11-30 01:29:55,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:55,705 INFO L225 Difference]: With dead ends: 2007 [2020-11-30 01:29:55,705 INFO L226 Difference]: Without dead ends: 1287 [2020-11-30 01:29:55,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:29:55,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2020-11-30 01:29:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1283. [2020-11-30 01:29:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2020-11-30 01:29:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1490 transitions. [2020-11-30 01:29:55,764 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1490 transitions. Word has length 152 [2020-11-30 01:29:55,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:55,765 INFO L481 AbstractCegarLoop]: Abstraction has 1283 states and 1490 transitions. [2020-11-30 01:29:55,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1490 transitions. [2020-11-30 01:29:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-30 01:29:55,771 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:55,771 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:55,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:29:55,997 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:55,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:55,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1185530404, now seen corresponding path program 1 times [2020-11-30 01:29:55,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:55,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735084895] [2020-11-30 01:29:55,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:56,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735084895] [2020-11-30 01:29:56,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238175637] [2020-11-30 01:29:56,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:29:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:56,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:29:56,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:29:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:56,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:29:56,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 01:29:56,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187590230] [2020-11-30 01:29:56,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:56,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:56,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:56,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:29:56,404 INFO L87 Difference]: Start difference. First operand 1283 states and 1490 transitions. Second operand 3 states. [2020-11-30 01:29:57,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:57,127 INFO L93 Difference]: Finished difference Result 2425 states and 2836 transitions. [2020-11-30 01:29:57,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:57,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-11-30 01:29:57,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:57,134 INFO L225 Difference]: With dead ends: 2425 [2020-11-30 01:29:57,134 INFO L226 Difference]: Without dead ends: 1142 [2020-11-30 01:29:57,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:29:57,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2020-11-30 01:29:57,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1138. [2020-11-30 01:29:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-11-30 01:29:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1278 transitions. [2020-11-30 01:29:57,167 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1278 transitions. Word has length 158 [2020-11-30 01:29:57,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:57,173 INFO L481 AbstractCegarLoop]: Abstraction has 1138 states and 1278 transitions. [2020-11-30 01:29:57,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1278 transitions. [2020-11-30 01:29:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-30 01:29:57,179 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:57,180 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:57,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:29:57,405 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:57,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:57,405 INFO L82 PathProgramCache]: Analyzing trace with hash 631346849, now seen corresponding path program 1 times [2020-11-30 01:29:57,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:57,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784816605] [2020-11-30 01:29:57,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:29:57,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784816605] [2020-11-30 01:29:57,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914498038] [2020-11-30 01:29:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:29:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:57,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:29:57,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:29:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:29:57,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:29:57,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:29:57,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975696260] [2020-11-30 01:29:57,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:57,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:57,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:57,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:29:57,685 INFO L87 Difference]: Start difference. First operand 1138 states and 1278 transitions. Second operand 3 states. [2020-11-30 01:29:58,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:58,303 INFO L93 Difference]: Finished difference Result 2416 states and 2742 transitions. [2020-11-30 01:29:58,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:58,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-11-30 01:29:58,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:58,312 INFO L225 Difference]: With dead ends: 2416 [2020-11-30 01:29:58,312 INFO L226 Difference]: Without dead ends: 1420 [2020-11-30 01:29:58,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:29:58,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2020-11-30 01:29:58,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1419. [2020-11-30 01:29:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1419 states. [2020-11-30 01:29:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1577 transitions. [2020-11-30 01:29:58,348 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1577 transitions. Word has length 166 [2020-11-30 01:29:58,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:58,349 INFO L481 AbstractCegarLoop]: Abstraction has 1419 states and 1577 transitions. [2020-11-30 01:29:58,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1577 transitions. [2020-11-30 01:29:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-30 01:29:58,354 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:58,354 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:58,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:29:58,569 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:58,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:58,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1452834806, now seen corresponding path program 1 times [2020-11-30 01:29:58,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:58,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669379690] [2020-11-30 01:29:58,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:58,680 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-30 01:29:58,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669379690] [2020-11-30 01:29:58,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:58,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:29:58,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70602998] [2020-11-30 01:29:58,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:58,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:58,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:58,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:58,688 INFO L87 Difference]: Start difference. First operand 1419 states and 1577 transitions. Second operand 3 states. [2020-11-30 01:29:59,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:59,268 INFO L93 Difference]: Finished difference Result 3116 states and 3490 transitions. [2020-11-30 01:29:59,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:59,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-11-30 01:29:59,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:59,277 INFO L225 Difference]: With dead ends: 3116 [2020-11-30 01:29:59,277 INFO L226 Difference]: Without dead ends: 1416 [2020-11-30 01:29:59,279 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 [2020-11-30 01:29:59,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2020-11-30 01:29:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1416. [2020-11-30 01:29:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2020-11-30 01:29:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1560 transitions. [2020-11-30 01:29:59,310 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1560 transitions. Word has length 199 [2020-11-30 01:29:59,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:59,310 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1560 transitions. [2020-11-30 01:29:59,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1560 transitions. [2020-11-30 01:29:59,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-11-30 01:29:59,315 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:59,316 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:59,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:29:59,316 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:59,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:59,317 INFO L82 PathProgramCache]: Analyzing trace with hash 914023161, now seen corresponding path program 1 times [2020-11-30 01:29:59,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:59,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658926418] [2020-11-30 01:29:59,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:59,485 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-30 01:29:59,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658926418] [2020-11-30 01:29:59,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:59,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:29:59,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750100284] [2020-11-30 01:29:59,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:29:59,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:59,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:29:59,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:29:59,488 INFO L87 Difference]: Start difference. First operand 1416 states and 1560 transitions. Second operand 5 states. [2020-11-30 01:30:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:00,644 INFO L93 Difference]: Finished difference Result 3286 states and 3615 transitions. [2020-11-30 01:30:00,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:30:00,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2020-11-30 01:30:00,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:00,654 INFO L225 Difference]: With dead ends: 3286 [2020-11-30 01:30:00,654 INFO L226 Difference]: Without dead ends: 1726 [2020-11-30 01:30:00,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:30:00,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2020-11-30 01:30:00,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1416. [2020-11-30 01:30:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2020-11-30 01:30:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1500 transitions. [2020-11-30 01:30:00,691 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1500 transitions. Word has length 219 [2020-11-30 01:30:00,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:00,691 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1500 transitions. [2020-11-30 01:30:00,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:30:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1500 transitions. [2020-11-30 01:30:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-30 01:30:00,697 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:00,697 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:00,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:30:00,698 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:00,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:00,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1681354769, now seen corresponding path program 1 times [2020-11-30 01:30:00,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:00,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285423299] [2020-11-30 01:30:00,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-30 01:30:00,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285423299] [2020-11-30 01:30:00,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:00,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:30:00,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942364138] [2020-11-30 01:30:00,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:30:00,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:00,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:30:00,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:30:00,789 INFO L87 Difference]: Start difference. First operand 1416 states and 1500 transitions. Second operand 3 states. [2020-11-30 01:30:01,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:01,302 INFO L93 Difference]: Finished difference Result 2690 states and 2854 transitions. [2020-11-30 01:30:01,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:30:01,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2020-11-30 01:30:01,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:01,309 INFO L225 Difference]: With dead ends: 2690 [2020-11-30 01:30:01,310 INFO L226 Difference]: Without dead ends: 1416 [2020-11-30 01:30:01,312 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 [2020-11-30 01:30:01,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2020-11-30 01:30:01,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1416. [2020-11-30 01:30:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2020-11-30 01:30:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1498 transitions. [2020-11-30 01:30:01,342 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1498 transitions. Word has length 223 [2020-11-30 01:30:01,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:01,343 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1498 transitions. [2020-11-30 01:30:01,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:30:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1498 transitions. [2020-11-30 01:30:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-11-30 01:30:01,349 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:01,349 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:01,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:30:01,349 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:01,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:01,350 INFO L82 PathProgramCache]: Analyzing trace with hash -369701871, now seen corresponding path program 1 times [2020-11-30 01:30:01,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:01,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858529277] [2020-11-30 01:30:01,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-30 01:30:01,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858529277] [2020-11-30 01:30:01,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:01,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:30:01,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829075812] [2020-11-30 01:30:01,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:30:01,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:01,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:30:01,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:30:01,495 INFO L87 Difference]: Start difference. First operand 1416 states and 1498 transitions. Second operand 3 states. [2020-11-30 01:30:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:02,031 INFO L93 Difference]: Finished difference Result 3107 states and 3284 transitions. [2020-11-30 01:30:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:30:02,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2020-11-30 01:30:02,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:02,032 INFO L225 Difference]: With dead ends: 3107 [2020-11-30 01:30:02,032 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:30:02,035 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 [2020-11-30 01:30:02,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:30:02,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:30:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:30:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:30:02,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2020-11-30 01:30:02,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:02,036 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:30:02,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:30:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:30:02,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:30:02,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:30:02,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:30:02,353 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-11-30 01:30:02,551 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-11-30 01:30:02,554 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,554 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,554 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,554 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-30 01:30:02,554 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-30 01:30:02,554 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-30 01:30:02,554 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-30 01:30:02,554 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-30 01:30:02,555 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-30 01:30:02,556 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-30 01:30:02,557 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-30 01:30:02,558 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-30 01:30:02,559 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-30 01:30:02,560 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-30 01:30:02,561 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-30 01:30:02,562 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,563 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,564 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,564 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-30 01:30:02,564 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-30 01:30:02,564 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-30 01:30:02,564 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-30 01:30:02,564 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-30 01:30:02,564 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-30 01:30:02,564 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-30 01:30:02,564 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-30 01:30:02,567 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-30 01:30:02,567 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-30 01:30:02,567 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-30 01:30:02,567 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,567 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,568 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-30 01:30:02,568 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-30 01:30:02,568 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-30 01:30:02,568 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-30 01:30:02,568 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-30 01:30:02,568 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-30 01:30:02,568 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-30 01:30:02,569 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-30 01:30:02,569 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-30 01:30:02,569 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:30:02,569 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse5 (= ~a21~0 1)) (.cse4 (= ~a19~0 1)) (.cse9 (not (= ~a11~0 1))) (.cse8 (<= ~a28~0 7)) (.cse6 (<= ~a17~0 8)) (.cse2 (<= ~a25~0 0)) (.cse0 (<= 9 ~a28~0)) (.cse7 (= ~a25~0 1)) (.cse1 (<= ~a17~0 7)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse4 .cse7 .cse8 .cse6) (and .cse4 .cse5 (= ~a17~0 8) .cse7 .cse9) (and .cse4 .cse7 .cse9 .cse6 .cse3) (and .cse0 .cse4 .cse7 .cse6 .cse3) (and .cse7 .cse9 .cse8 .cse6) (and .cse0 .cse7 .cse9 .cse6 .cse3) (and .cse9 .cse6 .cse2 .cse3) (and .cse8 .cse6 .cse2) (and .cse0 .cse7 .cse1 .cse3))) [2020-11-30 01:30:02,570 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,570 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,570 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-30 01:30:02,570 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-30 01:30:02,570 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-30 01:30:02,570 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-30 01:30:02,570 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-30 01:30:02,571 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-30 01:30:02,571 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-30 01:30:02,571 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,571 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,571 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-30 01:30:02,571 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-30 01:30:02,571 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-30 01:30:02,572 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-30 01:30:02,572 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-30 01:30:02,572 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-30 01:30:02,572 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-30 01:30:02,572 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-30 01:30:02,572 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-30 01:30:02,572 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,573 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,573 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-30 01:30:02,573 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-30 01:30:02,573 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-30 01:30:02,573 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-30 01:30:02,573 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:30:02,573 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-30 01:30:02,574 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-30 01:30:02,574 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse5 (= ~a21~0 1)) (.cse4 (= ~a19~0 1)) (.cse9 (not (= ~a11~0 1))) (.cse8 (<= ~a28~0 7)) (.cse6 (<= ~a17~0 8)) (.cse2 (<= ~a25~0 0)) (.cse0 (<= 9 ~a28~0)) (.cse7 (= ~a25~0 1)) (.cse1 (<= ~a17~0 7)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse4 .cse7 .cse8 .cse6) (and .cse4 .cse5 (= ~a17~0 8) .cse7 .cse9) (and .cse4 .cse7 .cse9 .cse6 .cse3) (and .cse0 .cse4 .cse7 .cse6 .cse3) (and .cse7 .cse9 .cse8 .cse6) (and .cse0 .cse7 .cse9 .cse6 .cse3) (and .cse9 .cse6 .cse2 .cse3) (and .cse8 .cse6 .cse2) (and .cse0 .cse7 .cse1 .cse3))) [2020-11-30 01:30:02,574 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,574 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,574 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-30 01:30:02,574 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-30 01:30:02,575 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-30 01:30:02,575 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-30 01:30:02,575 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-30 01:30:02,575 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,575 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,575 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-30 01:30:02,575 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-30 01:30:02,582 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-30 01:30:02,582 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-30 01:30:02,582 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-30 01:30:02,583 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-30 01:30:02,583 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-30 01:30:02,583 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-30 01:30:02,583 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-30 01:30:02,583 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,583 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,583 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-30 01:30:02,583 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,584 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:30:02,584 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-30 01:30:02,584 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-30 01:30:02,584 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-30 01:30:02,584 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-30 01:30:02,584 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-30 01:30:02,584 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-30 01:30:02,585 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,585 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,585 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,585 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-30 01:30:02,585 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-30 01:30:02,585 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-30 01:30:02,585 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-30 01:30:02,586 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-30 01:30:02,586 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,586 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,586 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:30:02,586 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-30 01:30:02,586 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-30 01:30:02,586 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-30 01:30:02,586 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-30 01:30:02,587 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-30 01:30:02,587 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-30 01:30:02,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:30:02 BoogieIcfgContainer [2020-11-30 01:30:02,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:30:02,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:30:02,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:30:02,610 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:30:02,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:49" (3/4) ... [2020-11-30 01:30:02,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:30:02,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:30:02,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:30:02,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:30:02,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:30:02,763 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c1c62dc-a06c-4cb2-ab62-28c623d49c5e/bin/uautomizer/witness.graphml [2020-11-30 01:30:02,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:30:02,765 INFO L168 Benchmark]: Toolchain (without parser) took 16466.39 ms. Allocated memory was 123.7 MB in the beginning and 285.2 MB in the end (delta: 161.5 MB). Free memory was 88.7 MB in the beginning and 235.7 MB in the end (delta: -147.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:02,765 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory was 35.8 MB in the beginning and 35.8 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:02,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.08 ms. Allocated memory is still 123.7 MB. Free memory was 88.5 MB in the beginning and 83.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:02,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.00 ms. Allocated memory is still 123.7 MB. Free memory was 83.2 MB in the beginning and 77.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:02,766 INFO L168 Benchmark]: Boogie Preprocessor took 108.09 ms. Allocated memory is still 123.7 MB. Free memory was 77.6 MB in the beginning and 73.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:02,767 INFO L168 Benchmark]: RCFGBuilder took 1869.36 ms. Allocated memory was 123.7 MB in the beginning and 163.6 MB in the end (delta: 39.8 MB). Free memory was 73.4 MB in the beginning and 73.4 MB in the end (delta: 12.5 kB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:02,767 INFO L168 Benchmark]: TraceAbstraction took 13320.51 ms. Allocated memory was 163.6 MB in the beginning and 285.2 MB in the end (delta: 121.6 MB). Free memory was 73.4 MB in the beginning and 250.4 MB in the end (delta: -177.1 MB). Peak memory consumption was 109.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:02,768 INFO L168 Benchmark]: Witness Printer took 153.84 ms. Allocated memory is still 285.2 MB. Free memory was 250.4 MB in the beginning and 235.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:02,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory was 35.8 MB in the beginning and 35.8 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 847.08 ms. Allocated memory is still 123.7 MB. Free memory was 88.5 MB in the beginning and 83.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 143.00 ms. Allocated memory is still 123.7 MB. Free memory was 83.2 MB in the beginning and 77.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.09 ms. Allocated memory is still 123.7 MB. Free memory was 77.6 MB in the beginning and 73.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1869.36 ms. Allocated memory was 123.7 MB in the beginning and 163.6 MB in the end (delta: 39.8 MB). Free memory was 73.4 MB in the beginning and 73.4 MB in the end (delta: 12.5 kB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13320.51 ms. Allocated memory was 163.6 MB in the beginning and 285.2 MB in the end (delta: 121.6 MB). Free memory was 73.4 MB in the beginning and 250.4 MB in the end (delta: -177.1 MB). Peak memory consumption was 109.3 MB. Max. memory is 16.1 GB. * Witness Printer took 153.84 ms. Allocated memory is still 285.2 MB. Free memory was 250.4 MB in the beginning and 235.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((9 <= a28 && a17 <= 7) && a25 <= 0) && a28 <= 10) || (((((9 <= a28 && a19 == 1) && a21 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && a21 == 1) && a17 == 8) && a25 == 1) && !(a11 == 1))) || ((((a19 == 1 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((((9 <= a28 && a19 == 1) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a25 == 1 && !(a11 == 1)) && a28 <= 7) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((a28 <= 7 && a17 <= 8) && a25 <= 0)) || (((9 <= a28 && a25 == 1) && a17 <= 7) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((9 <= a28 && a17 <= 7) && a25 <= 0) && a28 <= 10) || (((((9 <= a28 && a19 == 1) && a21 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && a21 == 1) && a17 == 8) && a25 == 1) && !(a11 == 1))) || ((((a19 == 1 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((((9 <= a28 && a19 == 1) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a25 == 1 && !(a11 == 1)) && a28 <= 7) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((a28 <= 7 && a17 <= 8) && a25 <= 0)) || (((9 <= a28 && a25 == 1) && a17 <= 7) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1174 SDtfs, 1692 SDslu, 163 SDs, 0 SdLazy, 4004 SolverSat, 631 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 508 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1419occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 321 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 329 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1234 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2397 NumberOfCodeBlocks, 2397 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2383 ConstructedInterpolants, 0 QuantifiedInterpolants, 985068 SizeOfPredicates, 1 NumberOfNonLiveVariables, 919 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 1136/1163 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...