./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.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_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/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 862765f45df94ab2ac2b560d6b662f561dcf5f10 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:08:41,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:08:41,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:08:41,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:08:41,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:08:41,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:08:41,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:08:41,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:08:41,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:08:41,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:08:41,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:08:41,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:08:41,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:08:41,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:08:41,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:08:41,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:08:41,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:08:41,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:08:41,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:08:41,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:08:41,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:08:41,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:08:41,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:08:41,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:08:41,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:08:41,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:08:41,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:08:41,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:08:41,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:08:41,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:08:41,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:08:41,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:08:41,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:08:41,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:08:41,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:08:41,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:08:41,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:08:41,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:08:41,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:08:41,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:08:41,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:08:41,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:08:41,794 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:08:41,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:08:41,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:08:41,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:08:41,796 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:08:41,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:08:41,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:08:41,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:08:41,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:08:41,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:08:41,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:08:41,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:08:41,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:08:41,798 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:08:41,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:08:41,799 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:08:41,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:08:41,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:08:41,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:08:41,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:08:41,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:08:41,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:08:41,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:08:41,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:08:41,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:08:41,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:08:41,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:08:41,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:08:41,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:08:41,802 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_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 862765f45df94ab2ac2b560d6b662f561dcf5f10 [2020-11-29 19:08:42,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:08:42,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:08:42,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:08:42,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:08:42,221 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:08:42,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2020-11-29 19:08:42,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/data/85eb952b8/66629bcd658049b3988e8517354d5555/FLAGa548327f2 [2020-11-29 19:08:43,194 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:08:43,194 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2020-11-29 19:08:43,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/data/85eb952b8/66629bcd658049b3988e8517354d5555/FLAGa548327f2 [2020-11-29 19:08:43,418 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/data/85eb952b8/66629bcd658049b3988e8517354d5555 [2020-11-29 19:08:43,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:08:43,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:08:43,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:08:43,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:08:43,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:08:43,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:08:43" (1/1) ... [2020-11-29 19:08:43,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a77910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:43, skipping insertion in model container [2020-11-29 19:08:43,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:08:43" (1/1) ... [2020-11-29 19:08:43,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:08:43,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:08:44,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:08:44,118 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:08:44,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:08:44,312 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:08:44,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44 WrapperNode [2020-11-29 19:08:44,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:08:44,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:08:44,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:08:44,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:08:44,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... [2020-11-29 19:08:44,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... [2020-11-29 19:08:44,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:08:44,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:08:44,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:08:44,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:08:44,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... [2020-11-29 19:08:44,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... [2020-11-29 19:08:44,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... [2020-11-29 19:08:44,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... [2020-11-29 19:08:44,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... [2020-11-29 19:08:44,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... [2020-11-29 19:08:44,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... [2020-11-29 19:08:44,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:08:44,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:08:44,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:08:44,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:08:44,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/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 [2020-11-29 19:08:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:08:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:08:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:08:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:08:46,823 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:08:46,824 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:08:46,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:08:46 BoogieIcfgContainer [2020-11-29 19:08:46,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:08:46,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:08:46,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:08:46,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:08:46,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:08:43" (1/3) ... [2020-11-29 19:08:46,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f22a293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:08:46, skipping insertion in model container [2020-11-29 19:08:46,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:44" (2/3) ... [2020-11-29 19:08:46,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f22a293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:08:46, skipping insertion in model container [2020-11-29 19:08:46,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:08:46" (3/3) ... [2020-11-29 19:08:46,846 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label31.c [2020-11-29 19:08:46,863 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:08:46,869 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:08:46,887 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:08:46,942 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:08:46,943 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:08:46,943 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:08:46,943 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:08:46,944 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:08:46,944 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:08:46,944 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:08:46,944 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:08:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-29 19:08:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:08:46,994 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:46,995 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] [2020-11-29 19:08:46,995 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:47,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:47,003 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2020-11-29 19:08:47,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:47,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522569955] [2020-11-29 19:08:47,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:47,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522569955] [2020-11-29 19:08:47,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:47,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:08:47,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450340966] [2020-11-29 19:08:47,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:08:47,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:47,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:08:47,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:47,394 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-29 19:08:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:49,004 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-29 19:08:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:08:49,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-11-29 19:08:49,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:49,028 INFO L225 Difference]: With dead ends: 553 [2020-11-29 19:08:49,029 INFO L226 Difference]: Without dead ends: 282 [2020-11-29 19:08:49,034 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 [2020-11-29 19:08:49,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-29 19:08:49,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-29 19:08:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-29 19:08:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-11-29 19:08:49,148 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 43 [2020-11-29 19:08:49,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:49,148 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-11-29 19:08:49,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:08:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-11-29 19:08:49,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-29 19:08:49,160 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:49,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:08:49,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:08:49,161 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:49,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:49,167 INFO L82 PathProgramCache]: Analyzing trace with hash -429461966, now seen corresponding path program 1 times [2020-11-29 19:08:49,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:49,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192804557] [2020-11-29 19:08:49,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:49,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192804557] [2020-11-29 19:08:49,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:49,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:08:49,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332250768] [2020-11-29 19:08:49,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:08:49,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:49,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:08:49,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:49,490 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-11-29 19:08:50,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:50,509 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-11-29 19:08:50,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:08:50,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-11-29 19:08:50,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:50,517 INFO L225 Difference]: With dead ends: 701 [2020-11-29 19:08:50,517 INFO L226 Difference]: Without dead ends: 421 [2020-11-29 19:08:50,520 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 [2020-11-29 19:08:50,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-29 19:08:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-29 19:08:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-29 19:08:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-11-29 19:08:50,549 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 109 [2020-11-29 19:08:50,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:50,550 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-11-29 19:08:50,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:08:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-11-29 19:08:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-29 19:08:50,554 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:50,554 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:08:50,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:08:50,555 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:50,555 INFO L82 PathProgramCache]: Analyzing trace with hash -451692445, now seen corresponding path program 1 times [2020-11-29 19:08:50,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:50,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974001570] [2020-11-29 19:08:50,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:50,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974001570] [2020-11-29 19:08:50,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:50,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:08:50,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628631658] [2020-11-29 19:08:50,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:08:50,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:50,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:08:50,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:50,713 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-11-29 19:08:51,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:51,637 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-11-29 19:08:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:08:51,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-29 19:08:51,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:51,642 INFO L225 Difference]: With dead ends: 979 [2020-11-29 19:08:51,642 INFO L226 Difference]: Without dead ends: 560 [2020-11-29 19:08:51,643 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 [2020-11-29 19:08:51,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-29 19:08:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-29 19:08:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-29 19:08:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-11-29 19:08:51,695 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 116 [2020-11-29 19:08:51,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:51,696 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-11-29 19:08:51,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:08:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-11-29 19:08:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-29 19:08:51,700 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:51,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:08:51,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:08:51,701 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:51,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:51,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1146461832, now seen corresponding path program 1 times [2020-11-29 19:08:51,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:51,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938461639] [2020-11-29 19:08:51,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:52,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938461639] [2020-11-29 19:08:52,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49486454] [2020-11-29 19:08:52,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/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 [2020-11-29 19:08:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:52,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:08:52,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:08:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:52,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:08:52,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-11-29 19:08:52,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956543856] [2020-11-29 19:08:52,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:08:52,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:52,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:08:52,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-29 19:08:52,417 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 3 states. [2020-11-29 19:08:53,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:53,592 INFO L93 Difference]: Finished difference Result 979 states and 1199 transitions. [2020-11-29 19:08:53,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:08:53,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-11-29 19:08:53,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:53,601 INFO L225 Difference]: With dead ends: 979 [2020-11-29 19:08:53,601 INFO L226 Difference]: Without dead ends: 977 [2020-11-29 19:08:53,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-29 19:08:53,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-29 19:08:53,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2020-11-29 19:08:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-29 19:08:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2020-11-29 19:08:53,637 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 118 [2020-11-29 19:08:53,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:53,639 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2020-11-29 19:08:53,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:08:53,640 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2020-11-29 19:08:53,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-29 19:08:53,651 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:53,652 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:08:53,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:08:53,868 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:53,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:53,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1708165452, now seen corresponding path program 1 times [2020-11-29 19:08:53,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:53,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236517898] [2020-11-29 19:08:53,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:54,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236517898] [2020-11-29 19:08:54,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:54,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:08:54,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924692709] [2020-11-29 19:08:54,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:08:54,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:54,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:08:54,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:54,110 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 3 states. [2020-11-29 19:08:55,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:55,168 INFO L93 Difference]: Finished difference Result 1535 states and 2000 transitions. [2020-11-29 19:08:55,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:08:55,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-29 19:08:55,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:55,178 INFO L225 Difference]: With dead ends: 1535 [2020-11-29 19:08:55,179 INFO L226 Difference]: Without dead ends: 977 [2020-11-29 19:08:55,181 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 [2020-11-29 19:08:55,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-29 19:08:55,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-29 19:08:55,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-29 19:08:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2020-11-29 19:08:55,213 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 161 [2020-11-29 19:08:55,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:55,214 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2020-11-29 19:08:55,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:08:55,214 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2020-11-29 19:08:55,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-29 19:08:55,218 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:55,219 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:08:55,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:08:55,219 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:55,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:55,220 INFO L82 PathProgramCache]: Analyzing trace with hash 815720823, now seen corresponding path program 1 times [2020-11-29 19:08:55,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:55,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030035723] [2020-11-29 19:08:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:55,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030035723] [2020-11-29 19:08:55,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:55,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:08:55,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781173870] [2020-11-29 19:08:55,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 19:08:55,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:55,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:08:55,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:08:55,651 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 7 states. [2020-11-29 19:08:56,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:56,865 INFO L93 Difference]: Finished difference Result 1868 states and 2303 transitions. [2020-11-29 19:08:56,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:08:56,866 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-11-29 19:08:56,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:56,873 INFO L225 Difference]: With dead ends: 1868 [2020-11-29 19:08:56,873 INFO L226 Difference]: Without dead ends: 977 [2020-11-29 19:08:56,875 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 [2020-11-29 19:08:56,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-29 19:08:56,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-29 19:08:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-29 19:08:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1191 transitions. [2020-11-29 19:08:56,906 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1191 transitions. Word has length 196 [2020-11-29 19:08:56,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:56,907 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1191 transitions. [2020-11-29 19:08:56,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 19:08:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1191 transitions. [2020-11-29 19:08:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-29 19:08:56,912 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:56,912 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:08:56,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:08:56,913 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:56,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:56,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1957463697, now seen corresponding path program 1 times [2020-11-29 19:08:56,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:56,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377008427] [2020-11-29 19:08:56,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:57,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377008427] [2020-11-29 19:08:57,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:57,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:08:57,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786874133] [2020-11-29 19:08:57,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:08:57,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:57,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:08:57,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:57,102 INFO L87 Difference]: Start difference. First operand 977 states and 1191 transitions. Second operand 3 states. [2020-11-29 19:08:58,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:58,072 INFO L93 Difference]: Finished difference Result 2091 states and 2614 transitions. [2020-11-29 19:08:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:08:58,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2020-11-29 19:08:58,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:58,082 INFO L225 Difference]: With dead ends: 2091 [2020-11-29 19:08:58,083 INFO L226 Difference]: Without dead ends: 1255 [2020-11-29 19:08:58,085 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 [2020-11-29 19:08:58,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-29 19:08:58,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2020-11-29 19:08:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-29 19:08:58,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1306 transitions. [2020-11-29 19:08:58,125 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1306 transitions. Word has length 232 [2020-11-29 19:08:58,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:58,126 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1306 transitions. [2020-11-29 19:08:58,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:08:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1306 transitions. [2020-11-29 19:08:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-11-29 19:08:58,135 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:58,135 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:08:58,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:08:58,136 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:58,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:58,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1833207659, now seen corresponding path program 1 times [2020-11-29 19:08:58,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:58,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158544735] [2020-11-29 19:08:58,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:58,487 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-29 19:08:58,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158544735] [2020-11-29 19:08:58,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:58,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:08:58,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484999989] [2020-11-29 19:08:58,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:08:58,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:58,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:08:58,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:58,492 INFO L87 Difference]: Start difference. First operand 1116 states and 1306 transitions. Second operand 3 states. [2020-11-29 19:08:59,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:59,472 INFO L93 Difference]: Finished difference Result 2228 states and 2614 transitions. [2020-11-29 19:08:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:08:59,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2020-11-29 19:08:59,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:59,475 INFO L225 Difference]: With dead ends: 2228 [2020-11-29 19:08:59,475 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:08:59,479 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 [2020-11-29 19:08:59,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:08:59,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:08:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:08:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:08:59,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2020-11-29 19:08:59,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:59,481 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:08:59,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:08:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:08:59,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:08:59,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:08:59,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:08:59,676 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-11-29 19:08:59,805 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-11-29 19:08:59,810 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-29 19:08:59,810 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-29 19:08:59,810 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-29 19:08:59,811 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-29 19:08:59,811 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-29 19:08:59,811 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-29 19:08:59,811 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,811 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,811 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,811 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,812 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,812 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,812 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-29 19:08:59,812 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 19:08:59,812 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 19:08:59,812 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 19:08:59,812 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 19:08:59,813 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 19:08:59,813 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 19:08:59,813 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-29 19:08:59,813 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-29 19:08:59,813 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-29 19:08:59,813 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-29 19:08:59,813 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-29 19:08:59,814 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-29 19:08:59,814 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,814 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,814 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,814 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,814 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,814 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,814 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-29 19:08:59,815 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-29 19:08:59,815 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-29 19:08:59,815 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 19:08:59,815 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 19:08:59,815 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 19:08:59,815 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 19:08:59,815 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 19:08:59,816 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 19:08:59,822 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-29 19:08:59,822 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-29 19:08:59,822 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-29 19:08:59,822 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,823 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,823 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,823 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,823 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,823 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,824 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-29 19:08:59,826 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-29 19:08:59,829 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-29 19:08:59,829 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 19:08:59,829 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 19:08:59,830 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 19:08:59,830 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 19:08:59,830 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 19:08:59,831 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 19:08:59,832 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-29 19:08:59,832 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-29 19:08:59,832 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-29 19:08:59,832 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:08:59,833 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-29 19:08:59,833 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,833 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,833 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,833 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,834 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,834 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,834 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-29 19:08:59,834 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-29 19:08:59,834 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 19:08:59,835 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 19:08:59,835 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 19:08:59,835 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 19:08:59,835 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 19:08:59,835 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 19:08:59,836 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-29 19:08:59,836 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-29 19:08:59,836 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-29 19:08:59,836 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,838 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,839 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,839 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,839 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,839 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-29 19:08:59,839 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-29 19:08:59,840 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-29 19:08:59,840 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-29 19:08:59,840 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 19:08:59,840 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 19:08:59,840 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 19:08:59,841 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 19:08:59,841 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 19:08:59,841 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-29 19:08:59,841 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-29 19:08:59,841 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-29 19:08:59,841 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-29 19:08:59,842 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-29 19:08:59,842 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,842 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,842 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,842 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,843 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,843 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-29 19:08:59,843 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:08:59,843 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 19:08:59,843 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 19:08:59,844 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 19:08:59,844 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 19:08:59,844 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 19:08:59,845 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-11-29 19:08:59,845 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-29 19:08:59,846 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-29 19:08:59,846 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-29 19:08:59,846 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-29 19:08:59,846 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,846 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,847 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,847 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,847 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,847 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-29 19:08:59,847 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-29 19:08:59,848 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-29 19:08:59,848 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 19:08:59,848 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 19:08:59,848 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 19:08:59,848 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 19:08:59,849 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 19:08:59,849 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-29 19:08:59,849 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-29 19:08:59,849 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-29 19:08:59,849 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-29 19:08:59,850 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-29 19:08:59,850 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-29 19:08:59,850 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:08:59,855 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,855 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,855 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,856 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,856 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,856 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 19:08:59,856 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 19:08:59,856 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 19:08:59,857 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 19:08:59,857 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 19:08:59,857 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-29 19:08:59,858 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-29 19:08:59,858 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-29 19:08:59,858 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-29 19:08:59,859 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,859 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,860 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,860 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,860 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:08:59,860 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,861 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-29 19:08:59,861 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-29 19:08:59,861 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-29 19:08:59,861 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-29 19:08:59,861 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 19:08:59,862 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 19:08:59,862 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 19:08:59,864 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 19:08:59,864 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 19:08:59,864 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-29 19:08:59,865 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-29 19:08:59,865 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-29 19:08:59,867 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-11-29 19:08:59,867 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-29 19:08:59,867 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,867 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,868 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,868 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,868 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 19:08:59,868 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,868 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,869 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-29 19:08:59,869 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-29 19:08:59,869 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-29 19:08:59,869 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 19:08:59,869 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 19:08:59,870 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 19:08:59,870 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 19:08:59,870 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 19:08:59,870 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 19:08:59,870 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:08:59,871 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:08:59,871 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-29 19:08:59,871 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-29 19:08:59,871 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-29 19:08:59,872 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-29 19:08:59,872 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,872 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,872 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,872 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,872 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,873 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:08:59,873 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-29 19:08:59,873 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-29 19:08:59,873 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-29 19:08:59,873 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 19:08:59,874 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 19:08:59,874 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 19:08:59,874 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 19:08:59,874 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 19:08:59,874 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 19:08:59,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:08:59 BoogieIcfgContainer [2020-11-29 19:08:59,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:08:59,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:08:59,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:08:59,917 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:08:59,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:08:46" (3/4) ... [2020-11-29 19:08:59,922 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:08:59,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:08:59,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:08:59,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:08:59,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:09:00,229 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d19f4d6e-fff1-4c54-b449-1b9fa4282a1f/bin/uautomizer/witness.graphml [2020-11-29 19:09:00,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:09:00,231 INFO L168 Benchmark]: Toolchain (without parser) took 16804.05 ms. Allocated memory was 94.4 MB in the beginning and 314.6 MB in the end (delta: 220.2 MB). Free memory was 63.0 MB in the beginning and 219.9 MB in the end (delta: -156.9 MB). Peak memory consumption was 62.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:00,232 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:09:00,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.17 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 54.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:00,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.22 ms. Allocated memory is still 94.4 MB. Free memory was 54.9 MB in the beginning and 47.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:00,233 INFO L168 Benchmark]: Boogie Preprocessor took 105.56 ms. Allocated memory is still 94.4 MB. Free memory was 47.1 MB in the beginning and 41.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:00,234 INFO L168 Benchmark]: RCFGBuilder took 2289.34 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 41.8 MB in the beginning and 70.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:00,234 INFO L168 Benchmark]: TraceAbstraction took 13081.13 ms. Allocated memory was 125.8 MB in the beginning and 314.6 MB in the end (delta: 188.7 MB). Free memory was 70.5 MB in the beginning and 234.6 MB in the end (delta: -164.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:00,235 INFO L168 Benchmark]: Witness Printer took 312.63 ms. Allocated memory is still 314.6 MB. Free memory was 234.6 MB in the beginning and 219.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:00,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 883.17 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 54.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.22 ms. Allocated memory is still 94.4 MB. Free memory was 54.9 MB in the beginning and 47.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.56 ms. Allocated memory is still 94.4 MB. Free memory was 47.1 MB in the beginning and 41.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2289.34 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 41.8 MB in the beginning and 70.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13081.13 ms. Allocated memory was 125.8 MB in the beginning and 314.6 MB in the end (delta: 188.7 MB). Free memory was 70.5 MB in the beginning and 234.6 MB in the end (delta: -164.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * Witness Printer took 312.63 ms. Allocated memory is still 314.6 MB. Free memory was 234.6 MB in the beginning and 219.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - 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: 12.5s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 846 SDtfs, 848 SDslu, 48 SDs, 0 SdLazy, 3243 SolverSat, 519 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 417 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 115 HoareAnnotationTreeSize, 3 FomulaSimplifications, 236 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1435 NumberOfCodeBlocks, 1435 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1426 ConstructedInterpolants, 0 QuantifiedInterpolants, 837865 SizeOfPredicates, 1 NumberOfNonLiveVariables, 212 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 888/890 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...