./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f099b3088cdddba520ecec4ee7d81a8a64d96ac3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:11:06,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:11:06,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:11:06,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:11:06,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:11:06,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:11:06,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:11:07,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:11:07,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:11:07,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:11:07,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:11:07,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:11:07,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:11:07,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:11:07,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:11:07,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:11:07,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:11:07,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:11:07,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:11:07,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:11:07,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:11:07,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:11:07,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:11:07,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:11:07,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:11:07,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:11:07,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:11:07,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:11:07,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:11:07,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:11:07,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:11:07,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:11:07,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:11:07,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:11:07,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:11:07,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:11:07,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:11:07,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:11:07,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:11:07,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:11:07,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:11:07,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:11:07,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:11:07,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:11:07,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:11:07,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:11:07,137 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:11:07,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:11:07,138 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:11:07,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:11:07,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:11:07,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:11:07,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:11:07,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:11:07,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:11:07,141 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:11:07,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:11:07,141 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:11:07,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:11:07,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:11:07,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:11:07,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:11:07,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:11:07,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:11:07,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:11:07,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:11:07,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:11:07,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:11:07,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:11:07,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:11:07,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:11:07,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f099b3088cdddba520ecec4ee7d81a8a64d96ac3 [2020-11-28 03:11:07,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:11:07,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:11:07,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:11:07,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:11:07,453 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:11:07,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2020-11-28 03:11:07,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/data/ce97dc5ad/a41abe276e414ba3b4aad7b4e3c06ea2/FLAG3e8249607 [2020-11-28 03:11:08,164 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:11:08,165 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2020-11-28 03:11:08,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/data/ce97dc5ad/a41abe276e414ba3b4aad7b4e3c06ea2/FLAG3e8249607 [2020-11-28 03:11:08,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/data/ce97dc5ad/a41abe276e414ba3b4aad7b4e3c06ea2 [2020-11-28 03:11:08,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:11:08,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:11:08,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:08,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:11:08,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:11:08,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:08" (1/1) ... [2020-11-28 03:11:08,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52238494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08, skipping insertion in model container [2020-11-28 03:11:08,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:08" (1/1) ... [2020-11-28 03:11:08,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:11:08,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:11:08,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:08,953 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:11:09,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:09,106 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:11:09,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09 WrapperNode [2020-11-28 03:11:09,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:09,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:09,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:11:09,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:11:09,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:09,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:11:09,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:11:09,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:11:09,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... [2020-11-28 03:11:09,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:11:09,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:11:09,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:11:09,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:11:09,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:11:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:11:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:11:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:11:09,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:11:10,948 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:11:10,948 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:11:10,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:10 BoogieIcfgContainer [2020-11-28 03:11:10,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:11:10,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:11:10,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:11:10,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:11:10,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:11:08" (1/3) ... [2020-11-28 03:11:10,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418548e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:10, skipping insertion in model container [2020-11-28 03:11:10,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:09" (2/3) ... [2020-11-28 03:11:10,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418548e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:10, skipping insertion in model container [2020-11-28 03:11:10,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:10" (3/3) ... [2020-11-28 03:11:10,964 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label27.c [2020-11-28 03:11:10,976 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:11:10,982 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:11:10,995 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:11:11,051 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:11:11,051 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:11:11,052 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:11:11,052 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:11:11,052 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:11:11,052 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:11:11,052 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:11:11,053 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:11:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-28 03:11:11,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 03:11:11,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:11,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:11,097 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:11,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:11,104 INFO L82 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2020-11-28 03:11:11,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:11,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614342749] [2020-11-28 03:11:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:11,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614342749] [2020-11-28 03:11:11,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:11,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:11,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024668202] [2020-11-28 03:11:11,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:11,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:11,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:11,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:11,584 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-28 03:11:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:12,867 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-28 03:11:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:12,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-28 03:11:12,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:12,886 INFO L225 Difference]: With dead ends: 553 [2020-11-28 03:11:12,886 INFO L226 Difference]: Without dead ends: 282 [2020-11-28 03:11:12,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:12,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-28 03:11:12,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-28 03:11:12,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-28 03:11:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-11-28 03:11:12,975 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 60 [2020-11-28 03:11:12,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:12,977 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-11-28 03:11:12,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-11-28 03:11:12,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-28 03:11:13,000 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:13,001 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:13,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:11:13,002 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:13,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1150916914, now seen corresponding path program 1 times [2020-11-28 03:11:13,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:13,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225157213] [2020-11-28 03:11:13,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-28 03:11:13,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225157213] [2020-11-28 03:11:13,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532576393] [2020-11-28 03:11:13,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:11:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:13,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:11:13,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-11-28 03:11:13,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:11:13,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 03:11:13,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444506670] [2020-11-28 03:11:13,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:13,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:13,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:13,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:11:13,725 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-11-28 03:11:14,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:14,805 INFO L93 Difference]: Finished difference Result 562 states and 752 transitions. [2020-11-28 03:11:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:14,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-11-28 03:11:14,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:14,811 INFO L225 Difference]: With dead ends: 562 [2020-11-28 03:11:14,811 INFO L226 Difference]: Without dead ends: 560 [2020-11-28 03:11:14,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:11:14,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-28 03:11:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2020-11-28 03:11:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-28 03:11:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 591 transitions. [2020-11-28 03:11:14,875 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 591 transitions. Word has length 126 [2020-11-28 03:11:14,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:14,880 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 591 transitions. [2020-11-28 03:11:14,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 591 transitions. [2020-11-28 03:11:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-28 03:11:14,886 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:14,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:15,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-28 03:11:15,101 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:15,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:15,102 INFO L82 PathProgramCache]: Analyzing trace with hash 119982509, now seen corresponding path program 1 times [2020-11-28 03:11:15,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:15,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683559056] [2020-11-28 03:11:15,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:15,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683559056] [2020-11-28 03:11:15,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:15,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:15,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104674436] [2020-11-28 03:11:15,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:15,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:15,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:15,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:15,319 INFO L87 Difference]: Start difference. First operand 421 states and 591 transitions. Second operand 3 states. [2020-11-28 03:11:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:16,236 INFO L93 Difference]: Finished difference Result 1118 states and 1553 transitions. [2020-11-28 03:11:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:16,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-11-28 03:11:16,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:16,242 INFO L225 Difference]: With dead ends: 1118 [2020-11-28 03:11:16,243 INFO L226 Difference]: Without dead ends: 699 [2020-11-28 03:11:16,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:16,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-28 03:11:16,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-28 03:11:16,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-28 03:11:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 904 transitions. [2020-11-28 03:11:16,286 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 904 transitions. Word has length 129 [2020-11-28 03:11:16,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:16,286 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 904 transitions. [2020-11-28 03:11:16,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 904 transitions. [2020-11-28 03:11:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-28 03:11:16,290 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:16,291 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:16,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:11:16,291 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:16,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:16,293 INFO L82 PathProgramCache]: Analyzing trace with hash 741392606, now seen corresponding path program 1 times [2020-11-28 03:11:16,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:16,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099414141] [2020-11-28 03:11:16,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:16,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099414141] [2020-11-28 03:11:16,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:16,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:11:16,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558566258] [2020-11-28 03:11:16,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:11:16,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:16,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:11:16,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:11:16,620 INFO L87 Difference]: Start difference. First operand 699 states and 904 transitions. Second operand 7 states. [2020-11-28 03:11:17,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:17,683 INFO L93 Difference]: Finished difference Result 1451 states and 1861 transitions. [2020-11-28 03:11:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:11:17,686 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2020-11-28 03:11:17,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:17,691 INFO L225 Difference]: With dead ends: 1451 [2020-11-28 03:11:17,691 INFO L226 Difference]: Without dead ends: 699 [2020-11-28 03:11:17,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:11:17,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-28 03:11:17,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-28 03:11:17,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-28 03:11:17,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 899 transitions. [2020-11-28 03:11:17,720 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 899 transitions. Word has length 135 [2020-11-28 03:11:17,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:17,721 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 899 transitions. [2020-11-28 03:11:17,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:11:17,722 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 899 transitions. [2020-11-28 03:11:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-28 03:11:17,725 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:17,726 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:11:17,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:11:17,727 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:17,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:17,732 INFO L82 PathProgramCache]: Analyzing trace with hash 3523452, now seen corresponding path program 1 times [2020-11-28 03:11:17,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:17,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196812405] [2020-11-28 03:11:17,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:17,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196812405] [2020-11-28 03:11:17,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:17,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:17,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722149619] [2020-11-28 03:11:17,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:17,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:17,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:17,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:17,915 INFO L87 Difference]: Start difference. First operand 699 states and 899 transitions. Second operand 3 states. [2020-11-28 03:11:18,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:18,815 INFO L93 Difference]: Finished difference Result 1674 states and 2173 transitions. [2020-11-28 03:11:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:18,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-11-28 03:11:18,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:18,822 INFO L225 Difference]: With dead ends: 1674 [2020-11-28 03:11:18,822 INFO L226 Difference]: Without dead ends: 977 [2020-11-28 03:11:18,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:18,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-28 03:11:18,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-28 03:11:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-28 03:11:18,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1198 transitions. [2020-11-28 03:11:18,857 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1198 transitions. Word has length 204 [2020-11-28 03:11:18,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:18,857 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1198 transitions. [2020-11-28 03:11:18,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1198 transitions. [2020-11-28 03:11:18,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-28 03:11:18,862 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:18,862 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:11:18,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:11:18,863 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:18,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:18,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1361305873, now seen corresponding path program 1 times [2020-11-28 03:11:18,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:18,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181050603] [2020-11-28 03:11:18,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-11-28 03:11:19,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181050603] [2020-11-28 03:11:19,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:19,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:19,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890616778] [2020-11-28 03:11:19,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:19,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:19,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:19,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:19,069 INFO L87 Difference]: Start difference. First operand 977 states and 1198 transitions. Second operand 3 states. [2020-11-28 03:11:19,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:19,823 INFO L93 Difference]: Finished difference Result 2091 states and 2542 transitions. [2020-11-28 03:11:19,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:19,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-11-28 03:11:19,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:19,836 INFO L225 Difference]: With dead ends: 2091 [2020-11-28 03:11:19,836 INFO L226 Difference]: Without dead ends: 1116 [2020-11-28 03:11:19,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:19,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-11-28 03:11:19,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-11-28 03:11:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-28 03:11:19,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1341 transitions. [2020-11-28 03:11:19,873 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1341 transitions. Word has length 211 [2020-11-28 03:11:19,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:19,874 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1341 transitions. [2020-11-28 03:11:19,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1341 transitions. [2020-11-28 03:11:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-11-28 03:11:19,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:19,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:11:19,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:11:19,889 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:19,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:19,895 INFO L82 PathProgramCache]: Analyzing trace with hash 222774834, now seen corresponding path program 1 times [2020-11-28 03:11:19,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:19,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295021364] [2020-11-28 03:11:19,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:20,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295021364] [2020-11-28 03:11:20,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:20,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:20,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710929228] [2020-11-28 03:11:20,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:20,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:20,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:20,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:20,180 INFO L87 Difference]: Start difference. First operand 1116 states and 1341 transitions. Second operand 3 states. [2020-11-28 03:11:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:21,019 INFO L93 Difference]: Finished difference Result 2369 states and 2914 transitions. [2020-11-28 03:11:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:21,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2020-11-28 03:11:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:21,027 INFO L225 Difference]: With dead ends: 2369 [2020-11-28 03:11:21,027 INFO L226 Difference]: Without dead ends: 1394 [2020-11-28 03:11:21,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:21,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-28 03:11:21,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-28 03:11:21,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 03:11:21,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions. [2020-11-28 03:11:21,060 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 249 [2020-11-28 03:11:21,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:21,061 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions. [2020-11-28 03:11:21,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions. [2020-11-28 03:11:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-11-28 03:11:21,067 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:21,067 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:11:21,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:11:21,067 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:21,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:21,068 INFO L82 PathProgramCache]: Analyzing trace with hash -555604661, now seen corresponding path program 1 times [2020-11-28 03:11:21,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:21,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695840178] [2020-11-28 03:11:21,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-28 03:11:21,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695840178] [2020-11-28 03:11:21,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:21,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:21,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746549353] [2020-11-28 03:11:21,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:21,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:21,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:21,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:21,335 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand 3 states. [2020-11-28 03:11:22,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:22,144 INFO L93 Difference]: Finished difference Result 1813 states and 2098 transitions. [2020-11-28 03:11:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:22,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2020-11-28 03:11:22,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:22,155 INFO L225 Difference]: With dead ends: 1813 [2020-11-28 03:11:22,155 INFO L226 Difference]: Without dead ends: 1811 [2020-11-28 03:11:22,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:22,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-11-28 03:11:22,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2020-11-28 03:11:22,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 03:11:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions. [2020-11-28 03:11:22,194 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 303 [2020-11-28 03:11:22,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:22,195 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions. [2020-11-28 03:11:22,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions. [2020-11-28 03:11:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-11-28 03:11:22,202 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:22,203 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:22,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:11:22,203 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:22,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:22,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1863869209, now seen corresponding path program 1 times [2020-11-28 03:11:22,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:22,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143852860] [2020-11-28 03:11:22,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-11-28 03:11:22,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143852860] [2020-11-28 03:11:22,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:22,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:22,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799073373] [2020-11-28 03:11:22,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:22,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:22,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:22,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:22,510 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand 3 states. [2020-11-28 03:11:23,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:23,394 INFO L93 Difference]: Finished difference Result 3203 states and 3730 transitions. [2020-11-28 03:11:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:23,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2020-11-28 03:11:23,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:23,410 INFO L225 Difference]: With dead ends: 3203 [2020-11-28 03:11:23,410 INFO L226 Difference]: Without dead ends: 2089 [2020-11-28 03:11:23,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:23,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-11-28 03:11:23,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1672. [2020-11-28 03:11:23,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-11-28 03:11:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1952 transitions. [2020-11-28 03:11:23,490 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1952 transitions. Word has length 338 [2020-11-28 03:11:23,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:23,491 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1952 transitions. [2020-11-28 03:11:23,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:23,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1952 transitions. [2020-11-28 03:11:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-11-28 03:11:23,500 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:23,501 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:23,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:11:23,501 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:23,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:23,502 INFO L82 PathProgramCache]: Analyzing trace with hash -676259110, now seen corresponding path program 1 times [2020-11-28 03:11:23,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:23,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683638938] [2020-11-28 03:11:23,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-28 03:11:23,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683638938] [2020-11-28 03:11:23,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:23,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:23,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752391160] [2020-11-28 03:11:23,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:23,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:23,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:23,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:23,746 INFO L87 Difference]: Start difference. First operand 1672 states and 1952 transitions. Second operand 3 states. [2020-11-28 03:11:24,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:24,554 INFO L93 Difference]: Finished difference Result 3898 states and 4557 transitions. [2020-11-28 03:11:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:24,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2020-11-28 03:11:24,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:24,568 INFO L225 Difference]: With dead ends: 3898 [2020-11-28 03:11:24,568 INFO L226 Difference]: Without dead ends: 2367 [2020-11-28 03:11:24,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-11-28 03:11:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2020-11-28 03:11:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-11-28 03:11:24,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2712 transitions. [2020-11-28 03:11:24,637 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2712 transitions. Word has length 355 [2020-11-28 03:11:24,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:24,637 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2712 transitions. [2020-11-28 03:11:24,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2712 transitions. [2020-11-28 03:11:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-11-28 03:11:24,648 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:24,648 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:24,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:11:24,649 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:24,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:24,649 INFO L82 PathProgramCache]: Analyzing trace with hash 264074683, now seen corresponding path program 1 times [2020-11-28 03:11:24,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:24,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523371218] [2020-11-28 03:11:24,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-28 03:11:24,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523371218] [2020-11-28 03:11:24,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:24,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:24,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344787776] [2020-11-28 03:11:24,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:24,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:24,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:24,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:24,915 INFO L87 Difference]: Start difference. First operand 2367 states and 2712 transitions. Second operand 3 states. [2020-11-28 03:11:25,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:25,687 INFO L93 Difference]: Finished difference Result 5149 states and 6003 transitions. [2020-11-28 03:11:25,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:25,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2020-11-28 03:11:25,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:25,705 INFO L225 Difference]: With dead ends: 5149 [2020-11-28 03:11:25,705 INFO L226 Difference]: Without dead ends: 2923 [2020-11-28 03:11:25,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:25,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2020-11-28 03:11:25,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 2645. [2020-11-28 03:11:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2020-11-28 03:11:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3015 transitions. [2020-11-28 03:11:25,773 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3015 transitions. Word has length 359 [2020-11-28 03:11:25,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:25,774 INFO L481 AbstractCegarLoop]: Abstraction has 2645 states and 3015 transitions. [2020-11-28 03:11:25,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:25,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3015 transitions. [2020-11-28 03:11:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-11-28 03:11:25,784 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:25,784 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:25,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:11:25,785 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:25,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:25,785 INFO L82 PathProgramCache]: Analyzing trace with hash -582253188, now seen corresponding path program 1 times [2020-11-28 03:11:25,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:25,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892055318] [2020-11-28 03:11:25,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-28 03:11:26,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892055318] [2020-11-28 03:11:26,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:26,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:26,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952825464] [2020-11-28 03:11:26,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:26,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:26,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:26,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:26,075 INFO L87 Difference]: Start difference. First operand 2645 states and 3015 transitions. Second operand 3 states. [2020-11-28 03:11:26,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:26,902 INFO L93 Difference]: Finished difference Result 3620 states and 4141 transitions. [2020-11-28 03:11:26,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:26,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 368 [2020-11-28 03:11:26,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:26,920 INFO L225 Difference]: With dead ends: 3620 [2020-11-28 03:11:26,920 INFO L226 Difference]: Without dead ends: 3618 [2020-11-28 03:11:26,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:26,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2020-11-28 03:11:26,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 2506. [2020-11-28 03:11:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2506 states. [2020-11-28 03:11:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 2865 transitions. [2020-11-28 03:11:26,988 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 2865 transitions. Word has length 368 [2020-11-28 03:11:26,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:26,989 INFO L481 AbstractCegarLoop]: Abstraction has 2506 states and 2865 transitions. [2020-11-28 03:11:26,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2865 transitions. [2020-11-28 03:11:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-11-28 03:11:26,996 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:26,996 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:26,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:11:26,996 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:26,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:26,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1903663936, now seen corresponding path program 1 times [2020-11-28 03:11:26,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:26,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270154111] [2020-11-28 03:11:26,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-28 03:11:27,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270154111] [2020-11-28 03:11:27,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:27,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:27,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564495868] [2020-11-28 03:11:27,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:27,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:27,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:27,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:27,276 INFO L87 Difference]: Start difference. First operand 2506 states and 2865 transitions. Second operand 3 states. [2020-11-28 03:11:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:27,996 INFO L93 Difference]: Finished difference Result 4869 states and 5584 transitions. [2020-11-28 03:11:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:27,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 373 [2020-11-28 03:11:28,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:28,001 INFO L225 Difference]: With dead ends: 4869 [2020-11-28 03:11:28,001 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:11:28,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:28,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:11:28,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:11:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:11:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:11:28,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2020-11-28 03:11:28,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:28,008 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:11:28,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:11:28,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:11:28,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:11:28,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:11:28,325 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-11-28 03:11:28,598 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-11-28 03:11:28,603 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-28 03:11:28,603 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-28 03:11:28,604 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,605 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-28 03:11:28,606 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:11:28,607 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:11:28,608 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:11:28,608 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:11:28,608 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-28 03:11:28,611 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-28 03:11:28,612 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-28 03:11:28,612 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:11:28,612 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-28 03:11:28,612 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,612 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,612 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,613 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,613 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,613 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,613 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-28 03:11:28,613 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-28 03:11:28,613 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:11:28,613 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:11:28,614 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:11:28,614 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:11:28,614 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:11:28,614 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:11:28,614 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-28 03:11:28,614 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-28 03:11:28,614 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-28 03:11:28,614 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,615 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,615 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,615 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,615 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,615 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-28 03:11:28,615 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-28 03:11:28,615 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-28 03:11:28,615 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-28 03:11:28,616 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:11:28,616 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:11:28,616 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:11:28,616 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:11:28,616 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:11:28,616 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-28 03:11:28,616 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-28 03:11:28,616 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-28 03:11:28,617 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-28 03:11:28,617 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-28 03:11:28,617 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,617 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,617 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,617 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,617 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,617 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-28 03:11:28,618 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:11:28,618 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:11:28,618 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:11:28,618 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:11:28,618 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:11:28,618 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:11:28,619 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse1 (= ~a10~0 2)) (.cse3 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (<= 0 ~a1~0) .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 (= ~a10~0 4)) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2 .cse3) (and (= ~a10~0 3) .cse0 .cse2 .cse3) (and .cse0 (= ~a10~0 0) .cse2) (and (= ~a10~0 1) .cse0 .cse2))) [2020-11-28 03:11:28,619 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-28 03:11:28,619 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-28 03:11:28,619 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-28 03:11:28,619 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-28 03:11:28,620 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,620 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,620 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,620 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,620 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,620 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-28 03:11:28,620 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-28 03:11:28,621 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-28 03:11:28,622 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:11:28,622 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:11:28,622 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:11:28,622 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:11:28,622 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:11:28,622 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-28 03:11:28,622 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-28 03:11:28,623 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-28 03:11:28,623 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-28 03:11:28,623 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-28 03:11:28,623 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-28 03:11:28,623 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:11:28,623 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,623 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,623 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,624 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,624 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,624 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:11:28,624 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:11:28,624 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:11:28,624 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:11:28,624 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:11:28,624 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-28 03:11:28,625 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-28 03:11:28,625 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-28 03:11:28,625 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-28 03:11:28,625 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,625 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,626 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,626 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,626 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:11:28,627 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,627 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-28 03:11:28,627 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-28 03:11:28,627 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-28 03:11:28,627 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-28 03:11:28,627 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:11:28,627 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:11:28,627 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:11:28,628 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:11:28,628 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:11:28,628 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-28 03:11:28,628 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-28 03:11:28,628 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-28 03:11:28,630 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse1 (= ~a10~0 2)) (.cse3 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (<= 0 ~a1~0) .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 (= ~a10~0 4)) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2 .cse3) (and (= ~a10~0 3) .cse0 .cse2 .cse3) (and .cse0 (= ~a10~0 0) .cse2) (and (= ~a10~0 1) .cse0 .cse2))) [2020-11-28 03:11:28,631 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-28 03:11:28,631 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,631 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,631 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,631 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,631 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:11:28,632 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,632 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,632 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-28 03:11:28,632 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-28 03:11:28,632 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-28 03:11:28,632 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:11:28,632 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:11:28,632 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:11:28,633 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:11:28,633 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:11:28,633 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:11:28,633 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:11:28,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:11:28,633 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-28 03:11:28,634 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-28 03:11:28,634 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-28 03:11:28,634 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-28 03:11:28,634 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,634 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,634 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,634 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,634 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,635 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:11:28,635 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-28 03:11:28,635 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-28 03:11:28,635 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-28 03:11:28,635 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:11:28,635 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:11:28,635 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:11:28,635 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:11:28,636 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:11:28,636 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:11:28,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:11:28 BoogieIcfgContainer [2020-11-28 03:11:28,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:11:28,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:11:28,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:11:28,676 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:11:28,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:10" (3/4) ... [2020-11-28 03:11:28,680 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:11:28,712 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:11:28,714 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:11:28,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:11:28,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:11:28,883 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1c779b38-0c36-4fd2-b76a-793c638d2701/bin/uautomizer/witness.graphml [2020-11-28 03:11:28,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:11:28,884 INFO L168 Benchmark]: Toolchain (without parser) took 20474.62 ms. Allocated memory was 92.3 MB in the beginning and 421.5 MB in the end (delta: 329.3 MB). Free memory was 61.1 MB in the beginning and 255.6 MB in the end (delta: -194.5 MB). Peak memory consumption was 135.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:28,885 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 53.7 MB in the beginning and 53.7 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:28,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.19 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 53.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:28,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.88 ms. Allocated memory is still 92.3 MB. Free memory was 53.8 MB in the beginning and 45.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:28,886 INFO L168 Benchmark]: Boogie Preprocessor took 108.56 ms. Allocated memory is still 92.3 MB. Free memory was 45.9 MB in the beginning and 40.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:28,886 INFO L168 Benchmark]: RCFGBuilder took 1624.12 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 40.8 MB in the beginning and 38.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:28,887 INFO L168 Benchmark]: TraceAbstraction took 17720.14 ms. Allocated memory was 111.1 MB in the beginning and 421.5 MB in the end (delta: 310.4 MB). Free memory was 38.8 MB in the beginning and 270.5 MB in the end (delta: -231.6 MB). Peak memory consumption was 77.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:28,887 INFO L168 Benchmark]: Witness Printer took 207.77 ms. Allocated memory is still 421.5 MB. Free memory was 270.5 MB in the beginning and 255.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:28,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 53.7 MB in the beginning and 53.7 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 696.19 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 53.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.88 ms. Allocated memory is still 92.3 MB. Free memory was 53.8 MB in the beginning and 45.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.56 ms. Allocated memory is still 92.3 MB. Free memory was 45.9 MB in the beginning and 40.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1624.12 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 40.8 MB in the beginning and 38.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17720.14 ms. Allocated memory was 111.1 MB in the beginning and 421.5 MB in the end (delta: 310.4 MB). Free memory was 38.8 MB in the beginning and 270.5 MB in the end (delta: -231.6 MB). Peak memory consumption was 77.4 MB. Max. memory is 16.1 GB. * Witness Printer took 207.77 ms. Allocated memory is still 421.5 MB. Free memory was 270.5 MB in the beginning and 255.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && 0 <= a1) && a10 == 2) && a12 == 0) && a19 <= 9) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4)) || ((((8 <= a19 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && 0 <= a1) && a10 == 2) && a12 == 0) && a19 <= 9) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4)) || ((((8 <= a19 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.9s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1495 SDtfs, 1228 SDslu, 67 SDs, 0 SdLazy, 5090 SolverSat, 730 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2645occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 2641 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 159 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2314 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 482 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3336 NumberOfCodeBlocks, 3336 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3322 ConstructedInterpolants, 0 QuantifiedInterpolants, 1712010 SizeOfPredicates, 1 NumberOfNonLiveVariables, 218 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 3132/3157 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...