./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label20.c -s /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/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 51304652d8e125249dd47a4531b4cf3c5e8856ad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:11:22,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:11:22,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:11:22,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:11:22,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:11:22,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:11:22,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:11:22,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:11:22,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:11:22,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:11:22,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:11:22,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:11:22,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:11:22,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:11:22,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:11:22,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:11:22,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:11:22,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:11:22,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:11:22,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:11:22,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:11:22,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:11:22,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:11:22,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:11:22,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:11:22,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:11:22,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:11:22,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:11:22,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:11:22,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:11:22,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:11:22,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:11:22,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:11:22,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:11:22,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:11:22,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:11:22,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:11:22,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:11:22,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:11:22,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:11:22,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:11:22,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:11:22,601 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:11:22,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:11:22,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:11:22,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:11:22,604 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:11:22,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:11:22,605 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:11:22,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:11:22,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:11:22,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:11:22,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:11:22,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:11:22,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:11:22,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:11:22,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:11:22,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:11:22,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:11:22,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:11:22,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:11:22,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:11:22,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:11:22,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:11:22,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:11:22,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:11:22,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:11:22,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:11:22,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:11:22,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:11:22,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:11:22,613 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_254a44b6-c55f-4d50-ae02-409665a5fdc2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51304652d8e125249dd47a4531b4cf3c5e8856ad [2020-12-01 15:11:22,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:11:22,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:11:22,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:11:22,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:11:22,992 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:11:22,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label20.c [2020-12-01 15:11:23,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/data/2d3e42168/d863db8443624fe48f73c6d82c23101d/FLAGafdc210ae [2020-12-01 15:11:23,676 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:11:23,677 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/sv-benchmarks/c/eca-rers2012/Problem10_label20.c [2020-12-01 15:11:23,708 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/data/2d3e42168/d863db8443624fe48f73c6d82c23101d/FLAGafdc210ae [2020-12-01 15:11:23,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/data/2d3e42168/d863db8443624fe48f73c6d82c23101d [2020-12-01 15:11:23,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:11:23,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:11:23,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:11:23,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:11:23,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:11:23,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:11:23" (1/1) ... [2020-12-01 15:11:23,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2712ca78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:23, skipping insertion in model container [2020-12-01 15:11:23,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:11:23" (1/1) ... [2020-12-01 15:11:23,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:11:24,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:11:24,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:11:24,646 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:11:24,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:11:24,792 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:11:24,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24 WrapperNode [2020-12-01 15:11:24,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:11:24,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:11:24,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:11:24,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:11:24,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... [2020-12-01 15:11:24,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... [2020-12-01 15:11:24,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:11:24,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:11:24,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:11:24,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:11:24,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... [2020-12-01 15:11:24,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... [2020-12-01 15:11:24,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... [2020-12-01 15:11:24,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... [2020-12-01 15:11:24,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... [2020-12-01 15:11:25,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... [2020-12-01 15:11:25,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... [2020-12-01 15:11:25,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:11:25,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:11:25,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:11:25,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:11:25,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/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 [2020-12-01 15:11:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:11:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:11:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:11:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:11:26,810 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:11:26,810 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:11:26,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:11:26 BoogieIcfgContainer [2020-12-01 15:11:26,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:11:26,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:11:26,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:11:26,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:11:26,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:11:23" (1/3) ... [2020-12-01 15:11:26,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8ebae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:11:26, skipping insertion in model container [2020-12-01 15:11:26,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:24" (2/3) ... [2020-12-01 15:11:26,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8ebae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:11:26, skipping insertion in model container [2020-12-01 15:11:26,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:11:26" (3/3) ... [2020-12-01 15:11:26,824 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-12-01 15:11:26,859 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:11:26,863 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:11:26,890 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:11:26,920 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:11:26,921 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:11:26,921 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:11:26,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:11:26,922 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:11:26,922 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:11:26,922 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:11:26,922 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:11:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-12-01 15:11:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 15:11:26,952 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:26,953 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] [2020-12-01 15:11:26,954 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:26,960 INFO L82 PathProgramCache]: Analyzing trace with hash -716875070, now seen corresponding path program 1 times [2020-12-01 15:11:26,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:26,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621351128] [2020-12-01 15:11:26,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:27,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621351128] [2020-12-01 15:11:27,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:27,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:11:27,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791615555] [2020-12-01 15:11:27,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:11:27,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:27,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:11:27,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:11:27,321 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-12-01 15:11:28,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:28,492 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-12-01 15:11:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:11:28,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-01 15:11:28,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:28,524 INFO L225 Difference]: With dead ends: 553 [2020-12-01 15:11:28,525 INFO L226 Difference]: Without dead ends: 282 [2020-12-01 15:11:28,534 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 [2020-12-01 15:11:28,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-01 15:11:28,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-01 15:11:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-01 15:11:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-12-01 15:11:28,610 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 28 [2020-12-01 15:11:28,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:28,611 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-12-01 15:11:28,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:11:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-12-01 15:11:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 15:11:28,616 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:28,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:11:28,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:11:28,617 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:28,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:28,618 INFO L82 PathProgramCache]: Analyzing trace with hash 2109759789, now seen corresponding path program 1 times [2020-12-01 15:11:28,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:28,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574405455] [2020-12-01 15:11:28,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:28,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574405455] [2020-12-01 15:11:28,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:28,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:11:28,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202868771] [2020-12-01 15:11:28,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:11:28,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:28,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:11:28,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:11:28,867 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-12-01 15:11:29,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:29,720 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2020-12-01 15:11:29,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:11:29,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-01 15:11:29,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:29,725 INFO L225 Difference]: With dead ends: 701 [2020-12-01 15:11:29,726 INFO L226 Difference]: Without dead ends: 421 [2020-12-01 15:11:29,729 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 [2020-12-01 15:11:29,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-01 15:11:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-12-01 15:11:29,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-01 15:11:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-12-01 15:11:29,776 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 97 [2020-12-01 15:11:29,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:29,778 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-12-01 15:11:29,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:11:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-12-01 15:11:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 15:11:29,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:29,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:11:29,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:11:29,793 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:29,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:29,795 INFO L82 PathProgramCache]: Analyzing trace with hash 879221854, now seen corresponding path program 1 times [2020-12-01 15:11:29,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:29,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899070093] [2020-12-01 15:11:29,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:29,951 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:29,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899070093] [2020-12-01 15:11:29,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:29,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:11:29,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327953761] [2020-12-01 15:11:29,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:11:29,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:29,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:11:29,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:11:29,959 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 3 states. [2020-12-01 15:11:30,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:30,770 INFO L93 Difference]: Finished difference Result 562 states and 787 transitions. [2020-12-01 15:11:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:11:30,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-12-01 15:11:30,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:30,777 INFO L225 Difference]: With dead ends: 562 [2020-12-01 15:11:30,778 INFO L226 Difference]: Without dead ends: 560 [2020-12-01 15:11:30,779 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 [2020-12-01 15:11:30,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-01 15:11:30,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2020-12-01 15:11:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-01 15:11:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-12-01 15:11:30,793 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 103 [2020-12-01 15:11:30,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:30,794 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-12-01 15:11:30,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:11:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-12-01 15:11:30,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-01 15:11:30,801 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:30,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:11:30,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:11:30,802 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:30,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:30,803 INFO L82 PathProgramCache]: Analyzing trace with hash 659995248, now seen corresponding path program 1 times [2020-12-01 15:11:30,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:30,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000182268] [2020-12-01 15:11:30,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:31,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000182268] [2020-12-01 15:11:31,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:31,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:11:31,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200744703] [2020-12-01 15:11:31,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:11:31,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:31,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:11:31,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:11:31,149 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 4 states. [2020-12-01 15:11:32,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:32,110 INFO L93 Difference]: Finished difference Result 990 states and 1390 transitions. [2020-12-01 15:11:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:11:32,112 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2020-12-01 15:11:32,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:32,124 INFO L225 Difference]: With dead ends: 990 [2020-12-01 15:11:32,124 INFO L226 Difference]: Without dead ends: 571 [2020-12-01 15:11:32,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:11:32,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-12-01 15:11:32,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2020-12-01 15:11:32,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-01 15:11:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2020-12-01 15:11:32,140 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 106 [2020-12-01 15:11:32,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:32,141 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2020-12-01 15:11:32,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:11:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2020-12-01 15:11:32,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-01 15:11:32,144 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:32,144 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:11:32,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:11:32,145 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:32,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:32,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1634593020, now seen corresponding path program 1 times [2020-12-01 15:11:32,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:32,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931859561] [2020-12-01 15:11:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:32,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931859561] [2020-12-01 15:11:32,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:32,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:11:32,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163642027] [2020-12-01 15:11:32,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:11:32,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:32,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:11:32,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:11:32,333 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 3 states. [2020-12-01 15:11:33,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:33,054 INFO L93 Difference]: Finished difference Result 1257 states and 1713 transitions. [2020-12-01 15:11:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:11:33,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-12-01 15:11:33,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:33,061 INFO L225 Difference]: With dead ends: 1257 [2020-12-01 15:11:33,061 INFO L226 Difference]: Without dead ends: 838 [2020-12-01 15:11:33,062 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 [2020-12-01 15:11:33,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-01 15:11:33,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2020-12-01 15:11:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-01 15:11:33,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2020-12-01 15:11:33,083 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 172 [2020-12-01 15:11:33,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:33,084 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2020-12-01 15:11:33,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:11:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2020-12-01 15:11:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-01 15:11:33,087 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:33,087 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:11:33,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:11:33,087 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:33,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:33,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1239767820, now seen corresponding path program 1 times [2020-12-01 15:11:33,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:33,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804852089] [2020-12-01 15:11:33,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:33,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804852089] [2020-12-01 15:11:33,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:33,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 15:11:33,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643331321] [2020-12-01 15:11:33,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-01 15:11:33,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:33,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-01 15:11:33,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:11:33,452 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 7 states. [2020-12-01 15:11:34,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:34,144 INFO L93 Difference]: Finished difference Result 1312 states and 1687 transitions. [2020-12-01 15:11:34,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-01 15:11:34,145 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-12-01 15:11:34,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:34,151 INFO L225 Difference]: With dead ends: 1312 [2020-12-01 15:11:34,151 INFO L226 Difference]: Without dead ends: 699 [2020-12-01 15:11:34,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:11:34,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-01 15:11:34,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-12-01 15:11:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-01 15:11:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 885 transitions. [2020-12-01 15:11:34,176 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 885 transitions. Word has length 181 [2020-12-01 15:11:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:34,181 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 885 transitions. [2020-12-01 15:11:34,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-01 15:11:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 885 transitions. [2020-12-01 15:11:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-12-01 15:11:34,185 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:34,186 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:11:34,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:11:34,186 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:34,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:34,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1114306482, now seen corresponding path program 1 times [2020-12-01 15:11:34,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:34,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133750716] [2020-12-01 15:11:34,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:34,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133750716] [2020-12-01 15:11:34,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:34,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:11:34,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444697121] [2020-12-01 15:11:34,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:11:34,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:34,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:11:34,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:11:34,432 INFO L87 Difference]: Start difference. First operand 699 states and 885 transitions. Second operand 3 states. [2020-12-01 15:11:35,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:35,286 INFO L93 Difference]: Finished difference Result 1674 states and 2215 transitions. [2020-12-01 15:11:35,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:11:35,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-12-01 15:11:35,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:35,295 INFO L225 Difference]: With dead ends: 1674 [2020-12-01 15:11:35,295 INFO L226 Difference]: Without dead ends: 1116 [2020-12-01 15:11:35,297 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 [2020-12-01 15:11:35,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-12-01 15:11:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2020-12-01 15:11:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-01 15:11:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1213 transitions. [2020-12-01 15:11:35,330 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1213 transitions. Word has length 217 [2020-12-01 15:11:35,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:35,331 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1213 transitions. [2020-12-01 15:11:35,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:11:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1213 transitions. [2020-12-01 15:11:35,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-12-01 15:11:35,337 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:35,338 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:11:35,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:11:35,338 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:35,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:35,339 INFO L82 PathProgramCache]: Analyzing trace with hash -982585202, now seen corresponding path program 1 times [2020-12-01 15:11:35,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:35,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668033131] [2020-12-01 15:11:35,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 51 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:36,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668033131] [2020-12-01 15:11:36,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897401904] [2020-12-01 15:11:36,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/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 [2020-12-01 15:11:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:36,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:11:36,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:11:36,958 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-12-01 15:11:36,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:11:36,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-01 15:11:36,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879233907] [2020-12-01 15:11:36,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:11:36,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:36,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:11:36,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:11:36,961 INFO L87 Difference]: Start difference. First operand 977 states and 1213 transitions. Second operand 3 states. [2020-12-01 15:11:37,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:37,715 INFO L93 Difference]: Finished difference Result 1811 states and 2280 transitions. [2020-12-01 15:11:37,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:11:37,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 273 [2020-12-01 15:11:37,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:37,717 INFO L225 Difference]: With dead ends: 1811 [2020-12-01 15:11:37,717 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:11:37,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:11:37,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:11:37,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:11:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:11:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:11:37,731 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2020-12-01 15:11:37,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:37,731 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:11:37,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:11:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:11:37,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:11:37,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-01 15:11:37,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:11:38,197 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 21 [2020-12-01 15:11:38,350 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 21 [2020-12-01 15:11:38,355 INFO L262 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-01 15:11:38,355 INFO L262 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-01 15:11:38,355 INFO L262 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-01 15:11:38,355 INFO L262 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-01 15:11:38,355 INFO L262 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-01 15:11:38,355 INFO L262 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-01 15:11:38,356 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,356 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,356 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,356 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,356 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,356 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,356 INFO L262 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-01 15:11:38,356 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-01 15:11:38,357 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-01 15:11:38,357 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-01 15:11:38,357 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-01 15:11:38,357 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-01 15:11:38,357 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-01 15:11:38,357 INFO L262 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-01 15:11:38,357 INFO L262 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-01 15:11:38,358 INFO L262 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-01 15:11:38,358 INFO L262 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-01 15:11:38,358 INFO L262 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-01 15:11:38,358 INFO L262 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-01 15:11:38,358 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,358 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,358 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,358 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,358 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,359 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,359 INFO L262 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-01 15:11:38,359 INFO L262 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-01 15:11:38,359 INFO L262 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-01 15:11:38,359 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-01 15:11:38,359 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-01 15:11:38,359 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-01 15:11:38,359 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-01 15:11:38,360 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-01 15:11:38,360 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-01 15:11:38,360 INFO L262 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-01 15:11:38,360 INFO L262 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-01 15:11:38,360 INFO L262 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-01 15:11:38,360 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,360 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,360 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,361 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,361 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,361 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,361 INFO L262 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-01 15:11:38,361 INFO L262 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-01 15:11:38,361 INFO L262 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-01 15:11:38,361 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-01 15:11:38,362 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-01 15:11:38,362 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-01 15:11:38,362 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-01 15:11:38,362 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-01 15:11:38,362 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-01 15:11:38,362 INFO L262 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-01 15:11:38,362 INFO L262 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-01 15:11:38,362 INFO L262 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-01 15:11:38,362 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 15:11:38,363 INFO L262 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-01 15:11:38,363 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,363 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,363 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,363 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,363 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,363 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,364 INFO L262 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-01 15:11:38,364 INFO L262 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-01 15:11:38,364 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-01 15:11:38,364 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-01 15:11:38,364 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-01 15:11:38,364 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-01 15:11:38,364 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-01 15:11:38,364 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-01 15:11:38,365 INFO L262 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-01 15:11:38,365 INFO L262 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-01 15:11:38,365 INFO L262 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-01 15:11:38,365 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,365 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,365 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,365 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,365 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,366 INFO L262 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-01 15:11:38,366 INFO L262 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-01 15:11:38,366 INFO L262 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-01 15:11:38,366 INFO L262 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-01 15:11:38,366 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-01 15:11:38,366 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-01 15:11:38,366 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-01 15:11:38,366 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-01 15:11:38,367 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-01 15:11:38,367 INFO L262 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-01 15:11:38,367 INFO L262 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-01 15:11:38,367 INFO L262 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-01 15:11:38,367 INFO L262 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-01 15:11:38,367 INFO L262 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-01 15:11:38,367 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,367 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,367 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,368 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,368 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,368 INFO L262 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-01 15:11:38,368 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:11:38,368 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-01 15:11:38,368 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-01 15:11:38,368 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-01 15:11:38,368 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-01 15:11:38,369 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-01 15:11:38,369 INFO L258 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (<= ~a19~0 6)) (and (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-12-01 15:11:38,369 INFO L262 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-01 15:11:38,369 INFO L262 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-01 15:11:38,369 INFO L262 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-01 15:11:38,370 INFO L262 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-01 15:11:38,370 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,370 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,370 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,370 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,370 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,370 INFO L262 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-01 15:11:38,370 INFO L262 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-01 15:11:38,371 INFO L262 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-01 15:11:38,371 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-01 15:11:38,371 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-01 15:11:38,371 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-01 15:11:38,371 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-01 15:11:38,371 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-01 15:11:38,371 INFO L262 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-01 15:11:38,371 INFO L262 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-01 15:11:38,371 INFO L265 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-01 15:11:38,372 INFO L262 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-01 15:11:38,372 INFO L262 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-01 15:11:38,372 INFO L262 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-01 15:11:38,372 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:11:38,372 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,372 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,372 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,372 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,373 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,373 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-01 15:11:38,373 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-01 15:11:38,373 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-01 15:11:38,373 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-01 15:11:38,373 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-01 15:11:38,373 INFO L262 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-01 15:11:38,373 INFO L262 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-01 15:11:38,374 INFO L262 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-01 15:11:38,374 INFO L262 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-01 15:11:38,374 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,374 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,374 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,374 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,374 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:11:38,374 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,374 INFO L262 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-01 15:11:38,375 INFO L262 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-01 15:11:38,375 INFO L262 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-01 15:11:38,375 INFO L262 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-01 15:11:38,375 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-01 15:11:38,375 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-01 15:11:38,375 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-01 15:11:38,375 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-01 15:11:38,375 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-01 15:11:38,376 INFO L262 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-01 15:11:38,376 INFO L262 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-01 15:11:38,376 INFO L262 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-01 15:11:38,376 INFO L258 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (<= ~a19~0 6)) (and (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-12-01 15:11:38,376 INFO L262 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-01 15:11:38,376 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,376 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,377 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,377 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,377 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-01 15:11:38,377 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,377 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,377 INFO L262 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-01 15:11:38,377 INFO L262 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-01 15:11:38,377 INFO L262 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-01 15:11:38,378 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-01 15:11:38,378 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-01 15:11:38,378 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-01 15:11:38,378 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-01 15:11:38,378 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-01 15:11:38,378 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-01 15:11:38,378 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:11:38,379 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 15:11:38,379 INFO L262 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-01 15:11:38,379 INFO L262 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-01 15:11:38,379 INFO L262 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-01 15:11:38,379 INFO L262 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-01 15:11:38,379 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,379 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,379 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,380 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,380 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,380 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-01 15:11:38,380 INFO L262 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-01 15:11:38,380 INFO L262 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-01 15:11:38,380 INFO L262 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-01 15:11:38,380 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-01 15:11:38,380 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-01 15:11:38,381 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-01 15:11:38,381 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-01 15:11:38,381 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-01 15:11:38,381 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-01 15:11:38,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:11:38 BoogieIcfgContainer [2020-12-01 15:11:38,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:11:38,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:11:38,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:11:38,405 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:11:38,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:11:26" (3/4) ... [2020-12-01 15:11:38,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:11:38,432 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:11:38,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:11:38,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:11:38,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:11:38,685 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_254a44b6-c55f-4d50-ae02-409665a5fdc2/bin/uautomizer/witness.graphml [2020-12-01 15:11:38,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:11:38,686 INFO L168 Benchmark]: Toolchain (without parser) took 14728.70 ms. Allocated memory was 83.9 MB in the beginning and 329.3 MB in the end (delta: 245.4 MB). Free memory was 47.0 MB in the beginning and 229.9 MB in the end (delta: -183.0 MB). Peak memory consumption was 61.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:38,687 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 83.9 MB. Free memory was 65.1 MB in the beginning and 65.1 MB in the end (delta: 43.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:11:38,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 834.48 ms. Allocated memory is still 83.9 MB. Free memory was 46.7 MB in the beginning and 44.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:38,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.79 ms. Allocated memory is still 83.9 MB. Free memory was 44.0 MB in the beginning and 36.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:38,688 INFO L168 Benchmark]: Boogie Preprocessor took 160.95 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 36.0 MB in the beginning and 72.9 MB in the end (delta: -36.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:38,689 INFO L168 Benchmark]: RCFGBuilder took 1751.98 ms. Allocated memory is still 100.7 MB. Free memory was 72.8 MB in the beginning and 46.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:38,689 INFO L168 Benchmark]: TraceAbstraction took 11589.03 ms. Allocated memory was 100.7 MB in the beginning and 329.3 MB in the end (delta: 228.6 MB). Free memory was 45.5 MB in the beginning and 244.7 MB in the end (delta: -199.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:38,690 INFO L168 Benchmark]: Witness Printer took 280.30 ms. Allocated memory is still 329.3 MB. Free memory was 244.7 MB in the beginning and 229.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:38,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 83.9 MB. Free memory was 65.1 MB in the beginning and 65.1 MB in the end (delta: 43.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 834.48 ms. Allocated memory is still 83.9 MB. Free memory was 46.7 MB in the beginning and 44.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.79 ms. Allocated memory is still 83.9 MB. Free memory was 44.0 MB in the beginning and 36.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 160.95 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 36.0 MB in the beginning and 72.9 MB in the end (delta: -36.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1751.98 ms. Allocated memory is still 100.7 MB. Free memory was 72.8 MB in the beginning and 46.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11589.03 ms. Allocated memory was 100.7 MB in the beginning and 329.3 MB in the end (delta: 228.6 MB). Free memory was 45.5 MB in the beginning and 244.7 MB in the end (delta: -199.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * Witness Printer took 280.30 ms. Allocated memory is still 329.3 MB. Free memory was 244.7 MB in the beginning and 229.9 MB in the end (delta: 14.8 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 && a12 == 0) && a19 <= 6) || ((8 <= a19 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && a19 <= 6) || ((8 <= a19 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 811 SDtfs, 1030 SDslu, 46 SDs, 0 SdLazy, 3174 SolverSat, 586 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 428 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 21 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 581 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 108 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1450 NumberOfCodeBlocks, 1450 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 1847494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 390 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 660/774 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...