./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label54.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7013b5440d15c52781747fe18e114861ef321ee3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:36:45,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:36:45,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:36:45,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:36:45,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:36:45,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:36:45,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:36:45,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:36:45,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:36:45,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:36:45,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:36:45,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:36:45,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:36:45,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:36:45,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:36:45,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:36:45,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:36:45,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:36:45,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:36:45,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:36:45,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:36:45,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:36:45,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:36:45,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:36:45,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:36:45,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:36:45,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:36:45,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:36:45,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:36:45,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:36:45,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:36:45,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:36:45,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:36:45,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:36:45,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:36:45,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:36:45,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:36:45,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:36:45,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:36:45,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:36:45,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:36:45,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 04:36:45,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:36:45,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:36:45,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:36:45,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:36:45,573 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:36:45,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:36:45,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:36:45,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:36:45,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:36:45,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:36:45,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:36:45,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:36:45,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:36:45,575 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:36:45,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:36:45,575 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:36:45,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:36:45,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:36:45,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:36:45,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:36:45,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:36:45,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:36:45,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:36:45,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:36:45,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:36:45,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:36:45,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:36:45,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:36:45,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e73701fa-16ca-4d70-9902-05545b395988/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(__VERIFIER_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 -> 7013b5440d15c52781747fe18e114861ef321ee3 [2019-11-20 04:36:45,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:36:45,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:36:45,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:36:45,775 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:36:45,775 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:36:45,776 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-20 04:36:45,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/data/4c346735a/a8b27c6a8f714dd690b802d669b8a8d1/FLAG18fed9e3d [2019-11-20 04:36:46,294 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:36:46,294 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-20 04:36:46,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/data/4c346735a/a8b27c6a8f714dd690b802d669b8a8d1/FLAG18fed9e3d [2019-11-20 04:36:46,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/data/4c346735a/a8b27c6a8f714dd690b802d669b8a8d1 [2019-11-20 04:36:46,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:36:46,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:36:46,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:36:46,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:36:46,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:36:46,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:36:46" (1/1) ... [2019-11-20 04:36:46,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9c4f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:46, skipping insertion in model container [2019-11-20 04:36:46,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:36:46" (1/1) ... [2019-11-20 04:36:46,652 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:36:46,702 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:36:47,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:36:47,218 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:36:47,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:36:47,342 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:36:47,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47 WrapperNode [2019-11-20 04:36:47,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:36:47,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:36:47,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:36:47,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:36:47,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... [2019-11-20 04:36:47,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... [2019-11-20 04:36:47,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:36:47,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:36:47,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:36:47,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:36:47,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... [2019-11-20 04:36:47,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... [2019-11-20 04:36:47,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... [2019-11-20 04:36:47,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... [2019-11-20 04:36:47,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... [2019-11-20 04:36:47,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... [2019-11-20 04:36:47,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... [2019-11-20 04:36:47,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:36:47,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:36:47,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:36:47,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:36:47,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/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 [2019-11-20 04:36:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:36:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:36:48,874 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:36:48,874 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 04:36:48,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:36:48 BoogieIcfgContainer [2019-11-20 04:36:48,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:36:48,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:36:48,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:36:48,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:36:48,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:36:46" (1/3) ... [2019-11-20 04:36:48,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14734e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:36:48, skipping insertion in model container [2019-11-20 04:36:48,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:36:47" (2/3) ... [2019-11-20 04:36:48,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14734e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:36:48, skipping insertion in model container [2019-11-20 04:36:48,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:36:48" (3/3) ... [2019-11-20 04:36:48,886 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2019-11-20 04:36:48,895 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:36:48,901 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 04:36:48,908 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 04:36:48,932 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:36:48,932 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:36:48,932 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:36:48,932 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:36:48,932 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:36:48,932 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:36:48,933 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:36:48,933 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:36:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-20 04:36:48,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 04:36:48,963 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:36:48,964 INFO L410 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] [2019-11-20 04:36:48,965 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:36:48,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:36:48,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1695579141, now seen corresponding path program 1 times [2019-11-20 04:36:48,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:36:48,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140015240] [2019-11-20 04:36:48,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:36:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:36:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:36:49,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140015240] [2019-11-20 04:36:49,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:36:49,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:36:49,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27800385] [2019-11-20 04:36:49,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:36:49,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:36:49,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:36:49,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:36:49,346 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2019-11-20 04:36:50,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:36:50,320 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2019-11-20 04:36:50,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:36:50,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-11-20 04:36:50,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:36:50,337 INFO L225 Difference]: With dead ends: 601 [2019-11-20 04:36:50,337 INFO L226 Difference]: Without dead ends: 310 [2019-11-20 04:36:50,342 INFO L630 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 [2019-11-20 04:36:50,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-11-20 04:36:50,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2019-11-20 04:36:50,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-11-20 04:36:50,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2019-11-20 04:36:50,426 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 101 [2019-11-20 04:36:50,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:36:50,427 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2019-11-20 04:36:50,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:36:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2019-11-20 04:36:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 04:36:50,440 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:36:50,441 INFO L410 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] [2019-11-20 04:36:50,442 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:36:50,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:36:50,442 INFO L82 PathProgramCache]: Analyzing trace with hash -292589926, now seen corresponding path program 1 times [2019-11-20 04:36:50,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:36:50,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985082980] [2019-11-20 04:36:50,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:36:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:36:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:36:50,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985082980] [2019-11-20 04:36:50,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:36:50,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:36:50,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996270285] [2019-11-20 04:36:50,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:36:50,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:36:50,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:36:50,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:50,584 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 4 states. [2019-11-20 04:36:51,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:36:51,498 INFO L93 Difference]: Finished difference Result 1200 states and 1733 transitions. [2019-11-20 04:36:51,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:36:51,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-11-20 04:36:51,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:36:51,504 INFO L225 Difference]: With dead ends: 1200 [2019-11-20 04:36:51,504 INFO L226 Difference]: Without dead ends: 892 [2019-11-20 04:36:51,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:51,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2019-11-20 04:36:51,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 593. [2019-11-20 04:36:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-11-20 04:36:51,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 827 transitions. [2019-11-20 04:36:51,526 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 827 transitions. Word has length 119 [2019-11-20 04:36:51,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:36:51,526 INFO L462 AbstractCegarLoop]: Abstraction has 593 states and 827 transitions. [2019-11-20 04:36:51,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:36:51,527 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 827 transitions. [2019-11-20 04:36:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 04:36:51,529 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:36:51,529 INFO L410 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] [2019-11-20 04:36:51,529 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:36:51,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:36:51,530 INFO L82 PathProgramCache]: Analyzing trace with hash 566132794, now seen corresponding path program 1 times [2019-11-20 04:36:51,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:36:51,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448759108] [2019-11-20 04:36:51,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:36:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:36:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:36:51,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448759108] [2019-11-20 04:36:51,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:36:51,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:36:51,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577257583] [2019-11-20 04:36:51,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:36:51,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:36:51,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:36:51,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:51,610 INFO L87 Difference]: Start difference. First operand 593 states and 827 transitions. Second operand 4 states. [2019-11-20 04:36:52,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:36:52,584 INFO L93 Difference]: Finished difference Result 2316 states and 3244 transitions. [2019-11-20 04:36:52,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:36:52,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2019-11-20 04:36:52,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:36:52,595 INFO L225 Difference]: With dead ends: 2316 [2019-11-20 04:36:52,595 INFO L226 Difference]: Without dead ends: 1725 [2019-11-20 04:36:52,597 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2019-11-20 04:36:52,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1151. [2019-11-20 04:36:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2019-11-20 04:36:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1548 transitions. [2019-11-20 04:36:52,634 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1548 transitions. Word has length 120 [2019-11-20 04:36:52,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:36:52,634 INFO L462 AbstractCegarLoop]: Abstraction has 1151 states and 1548 transitions. [2019-11-20 04:36:52,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:36:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1548 transitions. [2019-11-20 04:36:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 04:36:52,646 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:36:52,646 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-20 04:36:52,647 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:36:52,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:36:52,647 INFO L82 PathProgramCache]: Analyzing trace with hash -157142321, now seen corresponding path program 1 times [2019-11-20 04:36:52,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:36:52,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629939726] [2019-11-20 04:36:52,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:36:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:36:52,811 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:36:52,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629939726] [2019-11-20 04:36:52,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:36:52,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:36:52,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401978354] [2019-11-20 04:36:52,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:36:52,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:36:52,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:36:52,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:52,815 INFO L87 Difference]: Start difference. First operand 1151 states and 1548 transitions. Second operand 4 states. [2019-11-20 04:36:53,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:36:53,825 INFO L93 Difference]: Finished difference Result 3563 states and 4698 transitions. [2019-11-20 04:36:53,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:36:53,827 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2019-11-20 04:36:53,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:36:53,839 INFO L225 Difference]: With dead ends: 3563 [2019-11-20 04:36:53,839 INFO L226 Difference]: Without dead ends: 2414 [2019-11-20 04:36:53,842 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:53,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-11-20 04:36:53,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2131. [2019-11-20 04:36:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2131 states. [2019-11-20 04:36:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2618 transitions. [2019-11-20 04:36:53,898 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2618 transitions. Word has length 123 [2019-11-20 04:36:53,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:36:53,899 INFO L462 AbstractCegarLoop]: Abstraction has 2131 states and 2618 transitions. [2019-11-20 04:36:53,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:36:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2618 transitions. [2019-11-20 04:36:53,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-20 04:36:53,903 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:36:53,903 INFO L410 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] [2019-11-20 04:36:53,904 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:36:53,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:36:53,905 INFO L82 PathProgramCache]: Analyzing trace with hash -920596231, now seen corresponding path program 1 times [2019-11-20 04:36:53,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:36:53,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746700205] [2019-11-20 04:36:53,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:36:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:36:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 04:36:54,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746700205] [2019-11-20 04:36:54,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:36:54,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:36:54,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814244182] [2019-11-20 04:36:54,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:36:54,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:36:54,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:36:54,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:54,071 INFO L87 Difference]: Start difference. First operand 2131 states and 2618 transitions. Second operand 4 states. [2019-11-20 04:36:54,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:36:54,971 INFO L93 Difference]: Finished difference Result 5105 states and 6307 transitions. [2019-11-20 04:36:54,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:36:54,973 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-11-20 04:36:54,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:36:54,987 INFO L225 Difference]: With dead ends: 5105 [2019-11-20 04:36:54,987 INFO L226 Difference]: Without dead ends: 2414 [2019-11-20 04:36:54,993 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:54,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-11-20 04:36:55,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2410. [2019-11-20 04:36:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2410 states. [2019-11-20 04:36:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 2692 transitions. [2019-11-20 04:36:55,051 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 2692 transitions. Word has length 128 [2019-11-20 04:36:55,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:36:55,053 INFO L462 AbstractCegarLoop]: Abstraction has 2410 states and 2692 transitions. [2019-11-20 04:36:55,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:36:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2692 transitions. [2019-11-20 04:36:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 04:36:55,058 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:36:55,058 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:36:55,058 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:36:55,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:36:55,060 INFO L82 PathProgramCache]: Analyzing trace with hash -91008860, now seen corresponding path program 1 times [2019-11-20 04:36:55,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:36:55,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398630779] [2019-11-20 04:36:55,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:36:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:36:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 04:36:55,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398630779] [2019-11-20 04:36:55,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:36:55,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:36:55,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073312863] [2019-11-20 04:36:55,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:36:55,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:36:55,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:36:55,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:55,125 INFO L87 Difference]: Start difference. First operand 2410 states and 2692 transitions. Second operand 4 states. [2019-11-20 04:36:55,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:36:55,663 INFO L93 Difference]: Finished difference Result 4526 states and 5047 transitions. [2019-11-20 04:36:55,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:36:55,664 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2019-11-20 04:36:55,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:36:55,677 INFO L225 Difference]: With dead ends: 4526 [2019-11-20 04:36:55,677 INFO L226 Difference]: Without dead ends: 2117 [2019-11-20 04:36:55,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:55,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2019-11-20 04:36:55,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 1557. [2019-11-20 04:36:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2019-11-20 04:36:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1702 transitions. [2019-11-20 04:36:55,711 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1702 transitions. Word has length 140 [2019-11-20 04:36:55,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:36:55,712 INFO L462 AbstractCegarLoop]: Abstraction has 1557 states and 1702 transitions. [2019-11-20 04:36:55,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:36:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1702 transitions. [2019-11-20 04:36:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 04:36:55,716 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:36:55,717 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-20 04:36:55,717 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:36:55,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:36:55,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1260894349, now seen corresponding path program 1 times [2019-11-20 04:36:55,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:36:55,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217308767] [2019-11-20 04:36:55,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:36:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:36:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:36:56,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217308767] [2019-11-20 04:36:56,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:36:56,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 04:36:56,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739755356] [2019-11-20 04:36:56,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 04:36:56,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:36:56,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 04:36:56,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 04:36:56,048 INFO L87 Difference]: Start difference. First operand 1557 states and 1702 transitions. Second operand 7 states. [2019-11-20 04:36:57,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:36:57,028 INFO L93 Difference]: Finished difference Result 3266 states and 3576 transitions. [2019-11-20 04:36:57,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 04:36:57,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2019-11-20 04:36:57,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:36:57,039 INFO L225 Difference]: With dead ends: 3266 [2019-11-20 04:36:57,040 INFO L226 Difference]: Without dead ends: 1571 [2019-11-20 04:36:57,042 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-20 04:36:57,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2019-11-20 04:36:57,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1417. [2019-11-20 04:36:57,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2019-11-20 04:36:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1553 transitions. [2019-11-20 04:36:57,079 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1553 transitions. Word has length 169 [2019-11-20 04:36:57,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:36:57,079 INFO L462 AbstractCegarLoop]: Abstraction has 1417 states and 1553 transitions. [2019-11-20 04:36:57,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 04:36:57,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1553 transitions. [2019-11-20 04:36:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 04:36:57,083 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:36:57,083 INFO L410 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-20 04:36:57,084 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:36:57,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:36:57,084 INFO L82 PathProgramCache]: Analyzing trace with hash 992818194, now seen corresponding path program 1 times [2019-11-20 04:36:57,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:36:57,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912970893] [2019-11-20 04:36:57,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:36:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:36:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:36:57,237 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912970893] [2019-11-20 04:36:57,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:36:57,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:36:57,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013818889] [2019-11-20 04:36:57,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:36:57,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:36:57,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:36:57,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:57,239 INFO L87 Difference]: Start difference. First operand 1417 states and 1553 transitions. Second operand 4 states. [2019-11-20 04:36:57,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:36:57,999 INFO L93 Difference]: Finished difference Result 2691 states and 2953 transitions. [2019-11-20 04:36:57,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:36:58,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2019-11-20 04:36:58,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:36:58,006 INFO L225 Difference]: With dead ends: 2691 [2019-11-20 04:36:58,006 INFO L226 Difference]: Without dead ends: 1136 [2019-11-20 04:36:58,008 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:36:58,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2019-11-20 04:36:58,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1135. [2019-11-20 04:36:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2019-11-20 04:36:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1216 transitions. [2019-11-20 04:36:58,029 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1216 transitions. Word has length 178 [2019-11-20 04:36:58,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:36:58,029 INFO L462 AbstractCegarLoop]: Abstraction has 1135 states and 1216 transitions. [2019-11-20 04:36:58,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:36:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1216 transitions. [2019-11-20 04:36:58,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 04:36:58,032 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:36:58,033 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-20 04:36:58,033 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:36:58,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:36:58,033 INFO L82 PathProgramCache]: Analyzing trace with hash -751837008, now seen corresponding path program 1 times [2019-11-20 04:36:58,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:36:58,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576273326] [2019-11-20 04:36:58,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:36:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:36:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 04:36:58,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576273326] [2019-11-20 04:36:58,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:36:58,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:36:58,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807133170] [2019-11-20 04:36:58,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:36:58,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:36:58,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:36:58,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:36:58,167 INFO L87 Difference]: Start difference. First operand 1135 states and 1216 transitions. Second operand 3 states. [2019-11-20 04:36:58,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:36:58,489 INFO L93 Difference]: Finished difference Result 2268 states and 2425 transitions. [2019-11-20 04:36:58,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:36:58,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-20 04:36:58,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:36:58,490 INFO L225 Difference]: With dead ends: 2268 [2019-11-20 04:36:58,490 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 04:36:58,492 INFO L630 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 [2019-11-20 04:36:58,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 04:36:58,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 04:36:58,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 04:36:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 04:36:58,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2019-11-20 04:36:58,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:36:58,494 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:36:58,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:36:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:36:58,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:36:58,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 04:36:58,829 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2019-11-20 04:36:59,113 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2019-11-20 04:36:59,116 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,116 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,116 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,116 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-20 04:36:59,116 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-20 04:36:59,117 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-20 04:36:59,118 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-20 04:36:59,119 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,120 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,120 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,120 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-20 04:36:59,121 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-20 04:36:59,121 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-20 04:36:59,121 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-20 04:36:59,121 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-20 04:36:59,121 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-20 04:36:59,121 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-20 04:36:59,122 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-20 04:36:59,122 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,122 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,122 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,122 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-20 04:36:59,122 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-20 04:36:59,122 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-20 04:36:59,122 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-20 04:36:59,123 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-20 04:36:59,123 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-20 04:36:59,123 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-20 04:36:59,123 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-20 04:36:59,123 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-20 04:36:59,123 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,123 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,124 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,124 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-20 04:36:59,124 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-20 04:36:59,124 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-20 04:36:59,124 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-20 04:36:59,124 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-20 04:36:59,124 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-20 04:36:59,125 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,125 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,125 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,125 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-20 04:36:59,125 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-20 04:36:59,125 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-20 04:36:59,125 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-20 04:36:59,125 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-20 04:36:59,126 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 04:36:59,126 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-20 04:36:59,126 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-20 04:36:59,126 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-20 04:36:59,126 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,126 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,126 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,127 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-20 04:36:59,127 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-20 04:36:59,127 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-20 04:36:59,127 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-20 04:36:59,127 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-20 04:36:59,127 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,127 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,127 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,128 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-20 04:36:59,128 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-20 04:36:59,128 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-20 04:36:59,128 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-20 04:36:59,128 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-20 04:36:59,128 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-20 04:36:59,128 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-20 04:36:59,129 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-20 04:36:59,129 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-20 04:36:59,129 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-20 04:36:59,129 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 04:36:59,129 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2019-11-20 04:36:59,129 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-20 04:36:59,129 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,129 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,130 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-20 04:36:59,130 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-20 04:36:59,130 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-20 04:36:59,130 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-20 04:36:59,130 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-20 04:36:59,130 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-20 04:36:59,130 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-20 04:36:59,131 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-20 04:36:59,131 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-20 04:36:59,131 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse9 (= ~a28~0 9)) (.cse3 (= ~a25~0 1)) (.cse6 (= 1 ~a11~0))) (let ((.cse4 (= 10 ~a28~0)) (.cse7 (<= ~a17~0 8)) (.cse1 (= ~a19~0 1)) (.cse0 (not .cse6)) (.cse2 (= ~a17~0 8)) (.cse5 (not .cse3)) (.cse10 (not .cse9)) (.cse8 (not (= ~a28~0 11)))) (or (and (and .cse0 .cse1) .cse2 .cse3) (and .cse1 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and (and .cse1 .cse7 .cse8) .cse3) (and .cse9 .cse3 .cse7) (and .cse9 .cse2 .cse1) (and .cse2 .cse10 .cse0 .cse8) (and .cse2 .cse5 .cse10 .cse8)))) [2019-11-20 04:36:59,131 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,131 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,132 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-20 04:36:59,132 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-20 04:36:59,132 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-20 04:36:59,132 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-20 04:36:59,132 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-20 04:36:59,132 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-20 04:36:59,132 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-20 04:36:59,133 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,133 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,133 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-20 04:36:59,133 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-20 04:36:59,133 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-20 04:36:59,133 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-20 04:36:59,133 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-20 04:36:59,133 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-20 04:36:59,134 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-20 04:36:59,134 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-20 04:36:59,134 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-20 04:36:59,134 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,134 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,134 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-20 04:36:59,134 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-20 04:36:59,134 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-20 04:36:59,135 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-20 04:36:59,135 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-20 04:36:59,135 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-20 04:36:59,135 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (= ~a28~0 9)) (.cse3 (= ~a25~0 1)) (.cse6 (= 1 ~a11~0))) (let ((.cse4 (= 10 ~a28~0)) (.cse7 (<= ~a17~0 8)) (.cse1 (= ~a19~0 1)) (.cse0 (not .cse6)) (.cse2 (= ~a17~0 8)) (.cse5 (not .cse3)) (.cse10 (not .cse9)) (.cse8 (not (= ~a28~0 11)))) (or (and (and .cse0 .cse1) .cse2 .cse3) (and .cse1 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and (and .cse1 .cse7 .cse8) .cse3) (and .cse9 .cse3 .cse7) (and .cse9 .cse2 .cse1) (and .cse2 .cse10 .cse0 .cse8) (and .cse2 .cse5 .cse10 .cse8)))) [2019-11-20 04:36:59,135 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,135 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,136 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-20 04:36:59,136 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-20 04:36:59,136 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-20 04:36:59,136 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-20 04:36:59,136 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-20 04:36:59,136 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,136 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,137 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-20 04:36:59,137 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-20 04:36:59,137 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-20 04:36:59,137 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-20 04:36:59,137 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-20 04:36:59,137 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-20 04:36:59,137 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-20 04:36:59,137 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-20 04:36:59,138 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-20 04:36:59,138 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,138 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,138 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-20 04:36:59,138 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,138 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-20 04:36:59,138 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-20 04:36:59,138 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-20 04:36:59,139 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-20 04:36:59,139 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-20 04:36:59,139 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 04:36:59,139 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-20 04:36:59,139 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,139 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,139 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,140 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-20 04:36:59,140 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-20 04:36:59,140 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-20 04:36:59,140 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-20 04:36:59,140 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-20 04:36:59,140 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,140 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,140 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,141 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-20 04:36:59,141 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-20 04:36:59,141 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-20 04:36:59,141 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-20 04:36:59,141 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-20 04:36:59,141 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-20 04:36:59,141 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,141 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,142 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,142 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-20 04:36:59,142 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-20 04:36:59,142 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-20 04:36:59,142 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-20 04:36:59,142 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-20 04:36:59,142 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-20 04:36:59,142 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 04:36:59,143 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-20 04:36:59,143 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-20 04:36:59,143 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,143 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,143 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,143 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-20 04:36:59,143 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-20 04:36:59,143 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-20 04:36:59,144 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-20 04:36:59,144 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-20 04:36:59,144 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,144 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,144 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 04:36:59,144 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-20 04:36:59,144 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-20 04:36:59,145 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-20 04:36:59,145 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-20 04:36:59,145 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-20 04:36:59,145 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-20 04:36:59,145 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-20 04:36:59,145 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-20 04:36:59,145 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-20 04:36:59,145 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-20 04:36:59,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:36:59 BoogieIcfgContainer [2019-11-20 04:36:59,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:36:59,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:36:59,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:36:59,182 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:36:59,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:36:48" (3/4) ... [2019-11-20 04:36:59,185 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:36:59,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 04:36:59,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:36:59,356 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e73701fa-16ca-4d70-9902-05545b395988/bin/uautomizer/witness.graphml [2019-11-20 04:36:59,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:36:59,358 INFO L168 Benchmark]: Toolchain (without parser) took 12720.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 415.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 277.8 MB. Max. memory is 11.5 GB. [2019-11-20 04:36:59,358 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:36:59,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -219.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:36:59,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:36:59,359 INFO L168 Benchmark]: Boogie Preprocessor took 55.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:36:59,360 INFO L168 Benchmark]: RCFGBuilder took 1389.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:36:59,360 INFO L168 Benchmark]: TraceAbstraction took 10304.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -64.8 MB). Peak memory consumption was 169.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:36:59,360 INFO L168 Benchmark]: Witness Printer took 175.44 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:36:59,362 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 705.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -219.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1389.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10304.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -64.8 MB). Peak memory consumption was 169.1 MB. Max. memory is 11.5 GB. * Witness Printer took 175.44 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a11) && a19 == 1) && a17 == 8) && a25 == 1) || (a19 == 1 && 10 == a28)) || (((!(a25 == 1) && 1 == a11) && 10 == a28) && a17 <= 8)) || (((a19 == 1 && a17 <= 8) && !(a28 == 11)) && a25 == 1)) || ((a28 == 9 && a25 == 1) && a17 <= 8)) || ((a28 == 9 && a17 == 8) && a19 == 1)) || (((a17 == 8 && !(a28 == 9)) && !(1 == a11)) && !(a28 == 11))) || (((a17 == 8 && !(a25 == 1)) && !(a28 == 9)) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((!(1 == a11) && a19 == 1) && a17 == 8) && a25 == 1) || (a19 == 1 && 10 == a28)) || (((!(a25 == 1) && 1 == a11) && 10 == a28) && a17 <= 8)) || (((a19 == 1 && a17 <= 8) && !(a28 == 11)) && a25 == 1)) || ((a28 == 9 && a25 == 1) && a17 <= 8)) || ((a28 == 9 && a17 == 8) && a19 == 1)) || (((a17 == 8 && !(a28 == 9)) && !(1 == a11)) && !(a28 == 11))) || (((a17 == 8 && !(a25 == 1)) && !(a28 == 9)) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 10.2s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 803 SDtfs, 2334 SDslu, 259 SDs, 0 SdLazy, 5614 SolverSat, 808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2410occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1875 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 209 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1434 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 818 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1277 NumberOfCodeBlocks, 1277 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 617302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 420/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...