./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_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c -s /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/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 [2020-11-30 00:05:25,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:05:25,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:05:25,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:05:25,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:05:25,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:05:25,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:05:25,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:05:25,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:05:25,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:05:25,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:05:25,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:05:25,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:05:25,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:05:25,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:05:25,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:05:25,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:05:25,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:05:25,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:05:25,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:05:25,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:05:25,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:05:25,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:05:25,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:05:25,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:05:25,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:05:25,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:05:25,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:05:25,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:05:25,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:05:25,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:05:25,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:05:25,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:05:25,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:05:25,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:05:25,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:05:25,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:05:25,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:05:25,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:05:25,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:05:25,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:05:25,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:05:25,393 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:05:25,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:05:25,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:05:25,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:05:25,397 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:05:25,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:05:25,398 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:05:25,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:05:25,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:05:25,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:05:25,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:05:25,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:05:25,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:05:25,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:05:25,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:05:25,402 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:05:25,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:05:25,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:05:25,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:05:25,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:05:25,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:05:25,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:05:25,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:05:25,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:05:25,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:05:25,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:05:25,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:05:25,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:05:25,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:05:25,406 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_87dd1c09-a800-4a43-a81f-9096d73443f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f099b3088cdddba520ecec4ee7d81a8a64d96ac3 [2020-11-30 00:05:25,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:05:25,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:05:25,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:05:25,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:05:25,848 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:05:25,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2020-11-30 00:05:25,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/data/7ab7a5c64/0477a67dfae64fdfab1e67db1e9d881c/FLAG4a2f9977f [2020-11-30 00:05:26,725 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:05:26,726 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2020-11-30 00:05:26,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/data/7ab7a5c64/0477a67dfae64fdfab1e67db1e9d881c/FLAG4a2f9977f [2020-11-30 00:05:26,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/data/7ab7a5c64/0477a67dfae64fdfab1e67db1e9d881c [2020-11-30 00:05:26,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:05:26,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:05:26,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:05:26,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:05:27,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:05:27,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:05:26" (1/1) ... [2020-11-30 00:05:27,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc7ea18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27, skipping insertion in model container [2020-11-30 00:05:27,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:05:26" (1/1) ... [2020-11-30 00:05:27,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:05:27,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:05:27,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:05:27,627 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:05:27,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:05:27,830 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:05:27,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27 WrapperNode [2020-11-30 00:05:27,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:05:27,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:05:27,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:05:27,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:05:27,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... [2020-11-30 00:05:27,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... [2020-11-30 00:05:27,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:05:27,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:05:27,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:05:27,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:05:27,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... [2020-11-30 00:05:27,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... [2020-11-30 00:05:28,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... [2020-11-30 00:05:28,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... [2020-11-30 00:05:28,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... [2020-11-30 00:05:28,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... [2020-11-30 00:05:28,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... [2020-11-30 00:05:28,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:05:28,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:05:28,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:05:28,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:05:28,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:05:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:05:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:05:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:05:28,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:05:30,154 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:05:30,155 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:05:30,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:05:30 BoogieIcfgContainer [2020-11-30 00:05:30,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:05:30,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:05:30,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:05:30,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:05:30,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:05:26" (1/3) ... [2020-11-30 00:05:30,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e3624e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:05:30, skipping insertion in model container [2020-11-30 00:05:30,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:05:27" (2/3) ... [2020-11-30 00:05:30,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e3624e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:05:30, skipping insertion in model container [2020-11-30 00:05:30,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:05:30" (3/3) ... [2020-11-30 00:05:30,175 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label27.c [2020-11-30 00:05:30,189 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:05:30,195 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:05:30,211 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:05:30,259 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:05:30,260 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:05:30,260 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:05:30,260 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:05:30,260 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:05:30,260 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:05:30,261 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:05:30,261 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:05:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-30 00:05:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:05:30,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:30,306 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] [2020-11-30 00:05:30,306 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:30,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:30,314 INFO L82 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2020-11-30 00:05:30,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:30,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791732870] [2020-11-30 00:05:30,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:05:30,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791732870] [2020-11-30 00:05:30,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:30,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:05:30,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131354987] [2020-11-30 00:05:30,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:30,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:30,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:30,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:30,833 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-30 00:05:32,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:32,224 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-30 00:05:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:32,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-30 00:05:32,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:32,243 INFO L225 Difference]: With dead ends: 553 [2020-11-30 00:05:32,244 INFO L226 Difference]: Without dead ends: 282 [2020-11-30 00:05:32,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:32,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-30 00:05:32,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-30 00:05:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-30 00:05:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-11-30 00:05:32,334 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 60 [2020-11-30 00:05:32,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:32,335 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-11-30 00:05:32,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-11-30 00:05:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-30 00:05:32,342 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:32,343 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] [2020-11-30 00:05:32,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:05:32,344 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:32,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1150916914, now seen corresponding path program 1 times [2020-11-30 00:05:32,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:32,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032234671] [2020-11-30 00:05:32,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 00:05:32,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032234671] [2020-11-30 00:05:32,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317929687] [2020-11-30 00:05:32,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:05:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:32,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:05:32,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:05:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-11-30 00:05:33,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:05:33,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 00:05:33,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86876335] [2020-11-30 00:05:33,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:33,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:33,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:33,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:05:33,038 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-11-30 00:05:33,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:33,951 INFO L93 Difference]: Finished difference Result 562 states and 752 transitions. [2020-11-30 00:05:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:33,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-11-30 00:05:33,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:33,958 INFO L225 Difference]: With dead ends: 562 [2020-11-30 00:05:33,958 INFO L226 Difference]: Without dead ends: 560 [2020-11-30 00:05:33,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:05:33,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-30 00:05:33,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2020-11-30 00:05:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-30 00:05:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 591 transitions. [2020-11-30 00:05:33,991 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 591 transitions. Word has length 126 [2020-11-30 00:05:33,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:33,992 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 591 transitions. [2020-11-30 00:05:33,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:33,993 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 591 transitions. [2020-11-30 00:05:33,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:05:33,999 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:34,000 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] [2020-11-30 00:05:34,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-30 00:05:34,201 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:34,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:34,201 INFO L82 PathProgramCache]: Analyzing trace with hash 119982509, now seen corresponding path program 1 times [2020-11-30 00:05:34,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:34,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517233259] [2020-11-30 00:05:34,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:05:34,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517233259] [2020-11-30 00:05:34,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:34,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:05:34,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860374491] [2020-11-30 00:05:34,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:34,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:34,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:34,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:34,376 INFO L87 Difference]: Start difference. First operand 421 states and 591 transitions. Second operand 3 states. [2020-11-30 00:05:35,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:35,296 INFO L93 Difference]: Finished difference Result 1118 states and 1553 transitions. [2020-11-30 00:05:35,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:35,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-11-30 00:05:35,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:35,302 INFO L225 Difference]: With dead ends: 1118 [2020-11-30 00:05:35,302 INFO L226 Difference]: Without dead ends: 699 [2020-11-30 00:05:35,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:35,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-30 00:05:35,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-30 00:05:35,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-30 00:05:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 904 transitions. [2020-11-30 00:05:35,347 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 904 transitions. Word has length 129 [2020-11-30 00:05:35,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:35,348 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 904 transitions. [2020-11-30 00:05:35,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 904 transitions. [2020-11-30 00:05:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-30 00:05:35,365 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:35,366 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] [2020-11-30 00:05:35,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:05:35,366 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:35,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:35,367 INFO L82 PathProgramCache]: Analyzing trace with hash 741392606, now seen corresponding path program 1 times [2020-11-30 00:05:35,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:35,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295275084] [2020-11-30 00:05:35,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:05:35,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295275084] [2020-11-30 00:05:35,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:35,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:05:35,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40264350] [2020-11-30 00:05:35,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:05:35,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:35,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:05:35,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:05:35,733 INFO L87 Difference]: Start difference. First operand 699 states and 904 transitions. Second operand 7 states. [2020-11-30 00:05:36,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:36,691 INFO L93 Difference]: Finished difference Result 1451 states and 1861 transitions. [2020-11-30 00:05:36,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:05:36,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2020-11-30 00:05:36,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:36,703 INFO L225 Difference]: With dead ends: 1451 [2020-11-30 00:05:36,703 INFO L226 Difference]: Without dead ends: 699 [2020-11-30 00:05:36,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:05:36,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-30 00:05:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-30 00:05:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-30 00:05:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 899 transitions. [2020-11-30 00:05:36,728 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 899 transitions. Word has length 135 [2020-11-30 00:05:36,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:36,729 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 899 transitions. [2020-11-30 00:05:36,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:05:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 899 transitions. [2020-11-30 00:05:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-30 00:05:36,732 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:36,733 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] [2020-11-30 00:05:36,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:05:36,733 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:36,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:36,734 INFO L82 PathProgramCache]: Analyzing trace with hash 3523452, now seen corresponding path program 1 times [2020-11-30 00:05:36,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:36,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553076137] [2020-11-30 00:05:36,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:05:36,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553076137] [2020-11-30 00:05:36,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:36,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:05:36,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94550829] [2020-11-30 00:05:36,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:36,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:36,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:36,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:36,925 INFO L87 Difference]: Start difference. First operand 699 states and 899 transitions. Second operand 3 states. [2020-11-30 00:05:37,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:37,896 INFO L93 Difference]: Finished difference Result 1674 states and 2173 transitions. [2020-11-30 00:05:37,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:37,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-11-30 00:05:37,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:37,905 INFO L225 Difference]: With dead ends: 1674 [2020-11-30 00:05:37,905 INFO L226 Difference]: Without dead ends: 977 [2020-11-30 00:05:37,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:37,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-30 00:05:37,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-30 00:05:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-30 00:05:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1198 transitions. [2020-11-30 00:05:37,943 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1198 transitions. Word has length 204 [2020-11-30 00:05:37,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:37,944 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1198 transitions. [2020-11-30 00:05:37,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1198 transitions. [2020-11-30 00:05:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-30 00:05:37,949 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:37,949 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] [2020-11-30 00:05:37,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:05:37,950 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:37,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:37,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1361305873, now seen corresponding path program 1 times [2020-11-30 00:05:37,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:37,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284452545] [2020-11-30 00:05:37,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-11-30 00:05:38,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284452545] [2020-11-30 00:05:38,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:38,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:05:38,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765214381] [2020-11-30 00:05:38,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:38,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:38,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:38,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:38,169 INFO L87 Difference]: Start difference. First operand 977 states and 1198 transitions. Second operand 3 states. [2020-11-30 00:05:38,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:38,976 INFO L93 Difference]: Finished difference Result 2091 states and 2542 transitions. [2020-11-30 00:05:38,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:38,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-11-30 00:05:38,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:38,988 INFO L225 Difference]: With dead ends: 2091 [2020-11-30 00:05:38,989 INFO L226 Difference]: Without dead ends: 1116 [2020-11-30 00:05:38,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:38,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-11-30 00:05:39,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-11-30 00:05:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-30 00:05:39,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1341 transitions. [2020-11-30 00:05:39,026 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1341 transitions. Word has length 211 [2020-11-30 00:05:39,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:39,027 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1341 transitions. [2020-11-30 00:05:39,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1341 transitions. [2020-11-30 00:05:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-11-30 00:05:39,032 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:39,034 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] [2020-11-30 00:05:39,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:05:39,038 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:39,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:39,045 INFO L82 PathProgramCache]: Analyzing trace with hash 222774834, now seen corresponding path program 1 times [2020-11-30 00:05:39,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:39,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984249220] [2020-11-30 00:05:39,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:05:39,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984249220] [2020-11-30 00:05:39,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:39,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:05:39,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261495112] [2020-11-30 00:05:39,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:39,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:39,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:39,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:39,347 INFO L87 Difference]: Start difference. First operand 1116 states and 1341 transitions. Second operand 3 states. [2020-11-30 00:05:40,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:40,385 INFO L93 Difference]: Finished difference Result 2369 states and 2914 transitions. [2020-11-30 00:05:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:40,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2020-11-30 00:05:40,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:40,397 INFO L225 Difference]: With dead ends: 2369 [2020-11-30 00:05:40,398 INFO L226 Difference]: Without dead ends: 1394 [2020-11-30 00:05:40,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:40,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-30 00:05:40,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-30 00:05:40,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:05:40,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions. [2020-11-30 00:05:40,438 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 249 [2020-11-30 00:05:40,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:40,439 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions. [2020-11-30 00:05:40,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions. [2020-11-30 00:05:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-11-30 00:05:40,446 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:40,447 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] [2020-11-30 00:05:40,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:05:40,447 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:40,448 INFO L82 PathProgramCache]: Analyzing trace with hash -555604661, now seen corresponding path program 1 times [2020-11-30 00:05:40,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:40,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726045820] [2020-11-30 00:05:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-30 00:05:40,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726045820] [2020-11-30 00:05:40,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:40,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:05:40,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530848670] [2020-11-30 00:05:40,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:40,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:40,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:40,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:40,734 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand 3 states. [2020-11-30 00:05:41,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:41,648 INFO L93 Difference]: Finished difference Result 1813 states and 2098 transitions. [2020-11-30 00:05:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:41,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2020-11-30 00:05:41,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:41,659 INFO L225 Difference]: With dead ends: 1813 [2020-11-30 00:05:41,660 INFO L226 Difference]: Without dead ends: 1811 [2020-11-30 00:05:41,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:41,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-11-30 00:05:41,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2020-11-30 00:05:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:05:41,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions. [2020-11-30 00:05:41,704 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 303 [2020-11-30 00:05:41,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:41,705 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions. [2020-11-30 00:05:41,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:41,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions. [2020-11-30 00:05:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-11-30 00:05:41,713 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:41,713 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] [2020-11-30 00:05:41,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:05:41,714 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:41,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:41,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1863869209, now seen corresponding path program 1 times [2020-11-30 00:05:41,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:41,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240915651] [2020-11-30 00:05:41,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:42,066 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-11-30 00:05:42,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240915651] [2020-11-30 00:05:42,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:42,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:05:42,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736732499] [2020-11-30 00:05:42,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:42,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:42,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:42,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:42,070 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand 3 states. [2020-11-30 00:05:42,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:42,943 INFO L93 Difference]: Finished difference Result 3203 states and 3730 transitions. [2020-11-30 00:05:42,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:42,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2020-11-30 00:05:42,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:42,957 INFO L225 Difference]: With dead ends: 3203 [2020-11-30 00:05:42,957 INFO L226 Difference]: Without dead ends: 2089 [2020-11-30 00:05:42,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:42,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-11-30 00:05:43,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1672. [2020-11-30 00:05:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-11-30 00:05:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1952 transitions. [2020-11-30 00:05:43,011 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1952 transitions. Word has length 338 [2020-11-30 00:05:43,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:43,012 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1952 transitions. [2020-11-30 00:05:43,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1952 transitions. [2020-11-30 00:05:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-11-30 00:05:43,021 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:43,045 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] [2020-11-30 00:05:43,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:05:43,045 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:43,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:43,046 INFO L82 PathProgramCache]: Analyzing trace with hash -676259110, now seen corresponding path program 1 times [2020-11-30 00:05:43,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:43,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535756434] [2020-11-30 00:05:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 00:05:43,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535756434] [2020-11-30 00:05:43,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:43,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:05:43,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310449744] [2020-11-30 00:05:43,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:43,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:43,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:43,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:43,351 INFO L87 Difference]: Start difference. First operand 1672 states and 1952 transitions. Second operand 3 states. [2020-11-30 00:05:44,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:44,028 INFO L93 Difference]: Finished difference Result 3898 states and 4557 transitions. [2020-11-30 00:05:44,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:44,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2020-11-30 00:05:44,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:44,042 INFO L225 Difference]: With dead ends: 3898 [2020-11-30 00:05:44,042 INFO L226 Difference]: Without dead ends: 2367 [2020-11-30 00:05:44,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:44,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-11-30 00:05:44,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2020-11-30 00:05:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-11-30 00:05:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2712 transitions. [2020-11-30 00:05:44,110 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2712 transitions. Word has length 355 [2020-11-30 00:05:44,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:44,111 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2712 transitions. [2020-11-30 00:05:44,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2712 transitions. [2020-11-30 00:05:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-11-30 00:05:44,117 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:44,118 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] [2020-11-30 00:05:44,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:05:44,118 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:44,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:44,119 INFO L82 PathProgramCache]: Analyzing trace with hash 264074683, now seen corresponding path program 1 times [2020-11-30 00:05:44,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:44,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119641462] [2020-11-30 00:05:44,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-30 00:05:44,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119641462] [2020-11-30 00:05:44,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:44,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:05:44,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865645638] [2020-11-30 00:05:44,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:44,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:44,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:44,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:44,419 INFO L87 Difference]: Start difference. First operand 2367 states and 2712 transitions. Second operand 3 states. [2020-11-30 00:05:45,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:45,182 INFO L93 Difference]: Finished difference Result 5149 states and 6003 transitions. [2020-11-30 00:05:45,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:45,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2020-11-30 00:05:45,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:45,198 INFO L225 Difference]: With dead ends: 5149 [2020-11-30 00:05:45,199 INFO L226 Difference]: Without dead ends: 2923 [2020-11-30 00:05:45,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:45,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2020-11-30 00:05:45,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 2645. [2020-11-30 00:05:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2020-11-30 00:05:45,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3015 transitions. [2020-11-30 00:05:45,272 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3015 transitions. Word has length 359 [2020-11-30 00:05:45,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:45,273 INFO L481 AbstractCegarLoop]: Abstraction has 2645 states and 3015 transitions. [2020-11-30 00:05:45,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3015 transitions. [2020-11-30 00:05:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-11-30 00:05:45,280 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:45,281 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] [2020-11-30 00:05:45,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:05:45,281 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:45,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:45,282 INFO L82 PathProgramCache]: Analyzing trace with hash -582253188, now seen corresponding path program 1 times [2020-11-30 00:05:45,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:45,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399644245] [2020-11-30 00:05:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-30 00:05:45,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399644245] [2020-11-30 00:05:45,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:45,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:05:45,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398145870] [2020-11-30 00:05:45,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:45,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:45,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:45,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:45,677 INFO L87 Difference]: Start difference. First operand 2645 states and 3015 transitions. Second operand 3 states. [2020-11-30 00:05:46,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:46,466 INFO L93 Difference]: Finished difference Result 3620 states and 4141 transitions. [2020-11-30 00:05:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:46,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 368 [2020-11-30 00:05:46,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:46,483 INFO L225 Difference]: With dead ends: 3620 [2020-11-30 00:05:46,483 INFO L226 Difference]: Without dead ends: 3618 [2020-11-30 00:05:46,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:46,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2020-11-30 00:05:46,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 2506. [2020-11-30 00:05:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2506 states. [2020-11-30 00:05:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 2865 transitions. [2020-11-30 00:05:46,558 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 2865 transitions. Word has length 368 [2020-11-30 00:05:46,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:46,559 INFO L481 AbstractCegarLoop]: Abstraction has 2506 states and 2865 transitions. [2020-11-30 00:05:46,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:46,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2865 transitions. [2020-11-30 00:05:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-11-30 00:05:46,566 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:05:46,567 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] [2020-11-30 00:05:46,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:05:46,568 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:05:46,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:05:46,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1903663936, now seen corresponding path program 1 times [2020-11-30 00:05:46,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:05:46,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323229954] [2020-11-30 00:05:46,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:05:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:05:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-30 00:05:46,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323229954] [2020-11-30 00:05:46,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:05:46,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:05:46,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523409561] [2020-11-30 00:05:46,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:05:46,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:05:46,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:05:46,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:46,859 INFO L87 Difference]: Start difference. First operand 2506 states and 2865 transitions. Second operand 3 states. [2020-11-30 00:05:47,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:05:47,537 INFO L93 Difference]: Finished difference Result 4869 states and 5584 transitions. [2020-11-30 00:05:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:05:47,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 373 [2020-11-30 00:05:47,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:05:47,540 INFO L225 Difference]: With dead ends: 4869 [2020-11-30 00:05:47,541 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:05:47,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:05:47,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:05:47,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:05:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:05:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:05:47,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2020-11-30 00:05:47,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:05:47,548 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:05:47,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:05:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:05:47,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:05:47,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:05:47,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:05:47,938 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-11-30 00:05:48,181 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-11-30 00:05:48,185 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-30 00:05:48,185 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-30 00:05:48,185 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-30 00:05:48,185 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-30 00:05:48,185 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-30 00:05:48,185 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-30 00:05:48,185 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,185 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,185 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 00:05:48,186 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,187 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,188 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 00:05:48,189 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-30 00:05:48,190 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,191 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-30 00:05:48,192 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-30 00:05:48,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:05:48,194 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 00:05:48,194 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 00:05:48,194 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 00:05:48,194 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 00:05:48,194 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 00:05:48,194 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))) [2020-11-30 00:05:48,194 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-30 00:05:48,194 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-30 00:05:48,195 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 00:05:48,198 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 00:05:48,198 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 00:05:48,198 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 00:05:48,198 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 00:05:48,198 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-30 00:05:48,199 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-30 00:05:48,199 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-30 00:05:48,199 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-30 00:05:48,199 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-30 00:05:48,199 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-30 00:05:48,199 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:05:48,199 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,199 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,199 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,199 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-30 00:05:48,200 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-30 00:05:48,201 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,201 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,201 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,201 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,201 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:05:48,201 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,201 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-30 00:05:48,201 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-30 00:05:48,201 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-30 00:05:48,202 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-30 00:05:48,202 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 00:05:48,202 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 00:05:48,202 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 00:05:48,202 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 00:05:48,202 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 00:05:48,202 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-30 00:05:48,202 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-30 00:05:48,202 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-30 00:05:48,203 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))) [2020-11-30 00:05:48,203 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-30 00:05:48,203 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,203 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,203 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,203 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,203 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-30 00:05:48,203 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-30 00:05:48,204 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 00:05:48,205 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 00:05:48,206 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 00:05:48,206 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 00:05:48,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:05:48 BoogieIcfgContainer [2020-11-30 00:05:48,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:05:48,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:05:48,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:05:48,231 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:05:48,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:05:30" (3/4) ... [2020-11-30 00:05:48,235 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:05:48,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:05:48,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:05:48,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:05:48,267 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:05:48,408 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_87dd1c09-a800-4a43-a81f-9096d73443f9/bin/uautomizer/witness.graphml [2020-11-30 00:05:48,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:05:48,410 INFO L168 Benchmark]: Toolchain (without parser) took 21418.84 ms. Allocated memory was 90.2 MB in the beginning and 383.8 MB in the end (delta: 293.6 MB). Free memory was 55.2 MB in the beginning and 190.1 MB in the end (delta: -134.9 MB). Peak memory consumption was 159.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:05:48,410 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 60.7 MB in the beginning and 60.7 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:05:48,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.81 ms. Allocated memory is still 90.2 MB. Free memory was 55.0 MB in the beginning and 49.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:05:48,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.38 ms. Allocated memory is still 90.2 MB. Free memory was 49.2 MB in the beginning and 41.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:05:48,411 INFO L168 Benchmark]: Boogie Preprocessor took 149.78 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 41.5 MB in the beginning and 82.8 MB in the end (delta: -41.3 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:05:48,412 INFO L168 Benchmark]: RCFGBuilder took 2040.01 ms. Allocated memory is still 111.1 MB. Free memory was 82.8 MB in the beginning and 66.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:05:48,412 INFO L168 Benchmark]: TraceAbstraction took 18066.90 ms. Allocated memory was 111.1 MB in the beginning and 383.8 MB in the end (delta: 272.6 MB). Free memory was 66.1 MB in the beginning and 205.8 MB in the end (delta: -139.8 MB). Peak memory consumption was 131.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:05:48,412 INFO L168 Benchmark]: Witness Printer took 177.97 ms. Allocated memory is still 383.8 MB. Free memory was 205.8 MB in the beginning and 190.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:05:48,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 60.7 MB in the beginning and 60.7 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 835.81 ms. Allocated memory is still 90.2 MB. Free memory was 55.0 MB in the beginning and 49.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.38 ms. Allocated memory is still 90.2 MB. Free memory was 49.2 MB in the beginning and 41.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.78 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 41.5 MB in the beginning and 82.8 MB in the end (delta: -41.3 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2040.01 ms. Allocated memory is still 111.1 MB. Free memory was 82.8 MB in the beginning and 66.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18066.90 ms. Allocated memory was 111.1 MB in the beginning and 383.8 MB in the end (delta: 272.6 MB). Free memory was 66.1 MB in the beginning and 205.8 MB in the end (delta: -139.8 MB). Peak memory consumption was 131.6 MB. Max. memory is 16.1 GB. * Witness Printer took 177.97 ms. Allocated memory is still 383.8 MB. Free memory was 205.8 MB in the beginning and 190.1 MB in the end (delta: 15.7 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: 17.2s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1495 SDtfs, 1228 SDslu, 67 SDs, 0 SdLazy, 5090 SolverSat, 730 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s 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, 1.9s 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...