./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/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 6e09c4e3c62f766a4d5c6b2391f1938dd364423c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:41:40,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:41:40,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:41:40,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:41:40,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:41:40,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:41:40,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:41:40,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:41:40,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:41:40,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:41:40,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:41:40,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:41:40,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:41:40,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:41:40,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:41:40,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:41:40,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:41:40,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:41:40,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:41:40,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:41:40,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:41:40,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:41:40,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:41:40,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:41:40,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:41:40,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:41:40,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:41:40,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:41:40,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:41:40,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:41:40,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:41:40,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:41:40,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:41:40,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:41:40,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:41:40,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:41:40,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:41:40,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:41:40,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:41:40,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:41:40,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:41:40,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:41:40,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:41:40,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:41:40,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:41:40,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:41:40,952 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:41:40,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:41:40,953 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:41:40,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:41:40,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:41:40,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:41:40,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:41:40,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:41:40,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:41:40,956 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:41:40,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:41:40,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:41:40,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:41:40,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:41:40,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:41:40,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:41:40,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:41:40,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:41:40,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:41:40,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:41:40,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:41:40,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:41:40,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:41:40,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:41:40,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:41:40,960 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_2b12f067-ed98-4988-8945-a4c31a42091d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e09c4e3c62f766a4d5c6b2391f1938dd364423c [2020-11-29 22:41:41,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:41:41,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:41:41,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:41:41,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:41:41,311 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:41:41,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2020-11-29 22:41:41,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/data/aa0a6747b/7979cefef9a341b8b6166c4f63aa0b48/FLAG87f5ec40c [2020-11-29 22:41:42,124 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:41:42,127 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2020-11-29 22:41:42,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/data/aa0a6747b/7979cefef9a341b8b6166c4f63aa0b48/FLAG87f5ec40c [2020-11-29 22:41:42,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/data/aa0a6747b/7979cefef9a341b8b6166c4f63aa0b48 [2020-11-29 22:41:42,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:41:42,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:41:42,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:41:42,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:41:42,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:41:42,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:41:42" (1/1) ... [2020-11-29 22:41:42,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcc28f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:42, skipping insertion in model container [2020-11-29 22:41:42,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:41:42" (1/1) ... [2020-11-29 22:41:42,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:41:42,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:41:42,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:41:42,943 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:41:43,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:41:43,104 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:41:43,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43 WrapperNode [2020-11-29 22:41:43,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:41:43,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:41:43,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:41:43,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:41:43,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... [2020-11-29 22:41:43,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... [2020-11-29 22:41:43,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:41:43,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:41:43,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:41:43,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:41:43,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... [2020-11-29 22:41:43,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... [2020-11-29 22:41:43,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... [2020-11-29 22:41:43,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... [2020-11-29 22:41:43,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... [2020-11-29 22:41:43,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... [2020-11-29 22:41:43,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... [2020-11-29 22:41:43,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:41:43,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:41:43,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:41:43,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:41:43,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:41:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:41:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:41:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:41:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:41:44,895 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:41:44,895 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:41:44,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:41:44 BoogieIcfgContainer [2020-11-29 22:41:44,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:41:44,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:41:44,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:41:44,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:41:44,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:41:42" (1/3) ... [2020-11-29 22:41:44,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38703c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:41:44, skipping insertion in model container [2020-11-29 22:41:44,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:41:43" (2/3) ... [2020-11-29 22:41:44,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38703c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:41:44, skipping insertion in model container [2020-11-29 22:41:44,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:41:44" (3/3) ... [2020-11-29 22:41:44,911 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2020-11-29 22:41:44,924 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:41:44,930 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:41:44,946 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:41:44,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:41:44,978 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:41:44,978 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:41:44,978 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:41:44,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:41:44,978 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:41:44,979 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:41:44,979 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:41:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 22:41:45,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 22:41:45,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:45,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:41:45,016 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:45,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:45,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1124491187, now seen corresponding path program 1 times [2020-11-29 22:41:45,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:45,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910377599] [2020-11-29 22:41:45,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:41:45,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910377599] [2020-11-29 22:41:45,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:41:45,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:41:45,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304185020] [2020-11-29 22:41:45,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:45,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:45,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:45,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:45,617 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 22:41:46,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:46,952 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-11-29 22:41:46,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:46,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 22:41:46,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:46,975 INFO L225 Difference]: With dead ends: 597 [2020-11-29 22:41:46,976 INFO L226 Difference]: Without dead ends: 305 [2020-11-29 22:41:46,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:46,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-29 22:41:47,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-11-29 22:41:47,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-29 22:41:47,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-11-29 22:41:47,059 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 99 [2020-11-29 22:41:47,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:47,061 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-11-29 22:41:47,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-11-29 22:41:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-11-29 22:41:47,067 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:47,068 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:41:47,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:41:47,068 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:47,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:47,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1080998709, now seen corresponding path program 1 times [2020-11-29 22:41:47,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:47,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062003219] [2020-11-29 22:41:47,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:41:47,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062003219] [2020-11-29 22:41:47,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:41:47,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:41:47,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284606964] [2020-11-29 22:41:47,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:47,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:47,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:47,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:47,225 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-11-29 22:41:47,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:47,627 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-11-29 22:41:47,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:47,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-11-29 22:41:47,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:47,631 INFO L225 Difference]: With dead ends: 599 [2020-11-29 22:41:47,632 INFO L226 Difference]: Without dead ends: 296 [2020-11-29 22:41:47,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:47,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-29 22:41:47,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-11-29 22:41:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-29 22:41:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-11-29 22:41:47,670 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 110 [2020-11-29 22:41:47,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:47,671 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-11-29 22:41:47,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:47,671 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-11-29 22:41:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-29 22:41:47,677 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:47,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:41:47,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:41:47,678 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:47,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:47,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1726807632, now seen corresponding path program 1 times [2020-11-29 22:41:47,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:47,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214807958] [2020-11-29 22:41:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:41:47,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214807958] [2020-11-29 22:41:47,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:41:47,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:41:47,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102483972] [2020-11-29 22:41:47,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:47,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:47,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:47,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:47,820 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-11-29 22:41:48,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:48,515 INFO L93 Difference]: Finished difference Result 880 states and 1254 transitions. [2020-11-29 22:41:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:48,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-29 22:41:48,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:48,522 INFO L225 Difference]: With dead ends: 880 [2020-11-29 22:41:48,522 INFO L226 Difference]: Without dead ends: 586 [2020-11-29 22:41:48,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:48,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-11-29 22:41:48,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 581. [2020-11-29 22:41:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-11-29 22:41:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 798 transitions. [2020-11-29 22:41:48,558 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 798 transitions. Word has length 117 [2020-11-29 22:41:48,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:48,559 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 798 transitions. [2020-11-29 22:41:48,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:48,559 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 798 transitions. [2020-11-29 22:41:48,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 22:41:48,565 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:48,565 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:41:48,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:41:48,566 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:48,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:48,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1443467395, now seen corresponding path program 1 times [2020-11-29 22:41:48,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:48,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753325941] [2020-11-29 22:41:48,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 22:41:48,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753325941] [2020-11-29 22:41:48,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:41:48,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:41:48,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555755127] [2020-11-29 22:41:48,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:48,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:48,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:48,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:48,712 INFO L87 Difference]: Start difference. First operand 581 states and 798 transitions. Second operand 3 states. [2020-11-29 22:41:49,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:49,527 INFO L93 Difference]: Finished difference Result 1584 states and 2184 transitions. [2020-11-29 22:41:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:49,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 22:41:49,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:49,539 INFO L225 Difference]: With dead ends: 1584 [2020-11-29 22:41:49,540 INFO L226 Difference]: Without dead ends: 1005 [2020-11-29 22:41:49,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:49,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2020-11-29 22:41:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 1003. [2020-11-29 22:41:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2020-11-29 22:41:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1251 transitions. [2020-11-29 22:41:49,574 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1251 transitions. Word has length 121 [2020-11-29 22:41:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:49,575 INFO L481 AbstractCegarLoop]: Abstraction has 1003 states and 1251 transitions. [2020-11-29 22:41:49,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1251 transitions. [2020-11-29 22:41:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 22:41:49,578 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:49,578 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:41:49,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:41:49,579 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:49,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:49,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1387288614, now seen corresponding path program 1 times [2020-11-29 22:41:49,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:49,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28529304] [2020-11-29 22:41:49,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:41:49,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28529304] [2020-11-29 22:41:49,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:41:49,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:41:49,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570231872] [2020-11-29 22:41:49,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:49,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:49,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:49,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:49,706 INFO L87 Difference]: Start difference. First operand 1003 states and 1251 transitions. Second operand 3 states. [2020-11-29 22:41:50,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:50,559 INFO L93 Difference]: Finished difference Result 2285 states and 2922 transitions. [2020-11-29 22:41:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:50,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 22:41:50,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:50,569 INFO L225 Difference]: With dead ends: 2285 [2020-11-29 22:41:50,570 INFO L226 Difference]: Without dead ends: 1424 [2020-11-29 22:41:50,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:50,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2020-11-29 22:41:50,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1424. [2020-11-29 22:41:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2020-11-29 22:41:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 1743 transitions. [2020-11-29 22:41:50,629 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 1743 transitions. Word has length 121 [2020-11-29 22:41:50,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:50,630 INFO L481 AbstractCegarLoop]: Abstraction has 1424 states and 1743 transitions. [2020-11-29 22:41:50,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1743 transitions. [2020-11-29 22:41:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-29 22:41:50,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:50,634 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:41:50,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:41:50,635 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:50,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:50,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1320807830, now seen corresponding path program 1 times [2020-11-29 22:41:50,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:50,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561754561] [2020-11-29 22:41:50,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 22:41:50,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561754561] [2020-11-29 22:41:50,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680889623] [2020-11-29 22:41:50,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:41:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:50,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:41:50,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:41:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:41:51,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:41:51,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:41:51,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722767796] [2020-11-29 22:41:51,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:51,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:51,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:51,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:41:51,026 INFO L87 Difference]: Start difference. First operand 1424 states and 1743 transitions. Second operand 3 states. [2020-11-29 22:41:52,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:52,182 INFO L93 Difference]: Finished difference Result 2706 states and 3339 transitions. [2020-11-29 22:41:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:52,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-11-29 22:41:52,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:52,199 INFO L225 Difference]: With dead ends: 2706 [2020-11-29 22:41:52,199 INFO L226 Difference]: Without dead ends: 1424 [2020-11-29 22:41:52,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:41:52,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2020-11-29 22:41:52,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1144. [2020-11-29 22:41:52,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1144 states. [2020-11-29 22:41:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1295 transitions. [2020-11-29 22:41:52,250 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1295 transitions. Word has length 126 [2020-11-29 22:41:52,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:52,253 INFO L481 AbstractCegarLoop]: Abstraction has 1144 states and 1295 transitions. [2020-11-29 22:41:52,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1295 transitions. [2020-11-29 22:41:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-29 22:41:52,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:52,258 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:41:52,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 22:41:52,489 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:52,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:52,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1743083675, now seen corresponding path program 1 times [2020-11-29 22:41:52,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:52,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170378988] [2020-11-29 22:41:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:41:52,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170378988] [2020-11-29 22:41:52,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:41:52,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:41:52,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15495463] [2020-11-29 22:41:52,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:52,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:52,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:52,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:52,622 INFO L87 Difference]: Start difference. First operand 1144 states and 1295 transitions. Second operand 3 states. [2020-11-29 22:41:53,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:53,356 INFO L93 Difference]: Finished difference Result 2283 states and 2614 transitions. [2020-11-29 22:41:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:53,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-29 22:41:53,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:53,364 INFO L225 Difference]: With dead ends: 2283 [2020-11-29 22:41:53,365 INFO L226 Difference]: Without dead ends: 1281 [2020-11-29 22:41:53,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:53,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2020-11-29 22:41:53,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1281. [2020-11-29 22:41:53,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2020-11-29 22:41:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1446 transitions. [2020-11-29 22:41:53,401 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1446 transitions. Word has length 135 [2020-11-29 22:41:53,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:53,402 INFO L481 AbstractCegarLoop]: Abstraction has 1281 states and 1446 transitions. [2020-11-29 22:41:53,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1446 transitions. [2020-11-29 22:41:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-29 22:41:53,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:53,406 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:41:53,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:41:53,406 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:53,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:53,407 INFO L82 PathProgramCache]: Analyzing trace with hash -7254895, now seen corresponding path program 1 times [2020-11-29 22:41:53,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:53,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217922064] [2020-11-29 22:41:53,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:41:53,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217922064] [2020-11-29 22:41:53,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:41:53,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:41:53,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302895335] [2020-11-29 22:41:53,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:53,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:53,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:53,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:53,515 INFO L87 Difference]: Start difference. First operand 1281 states and 1446 transitions. Second operand 3 states. [2020-11-29 22:41:54,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:54,207 INFO L93 Difference]: Finished difference Result 2420 states and 2746 transitions. [2020-11-29 22:41:54,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:54,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-29 22:41:54,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:54,214 INFO L225 Difference]: With dead ends: 2420 [2020-11-29 22:41:54,214 INFO L226 Difference]: Without dead ends: 999 [2020-11-29 22:41:54,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:54,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-11-29 22:41:54,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 996. [2020-11-29 22:41:54,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-11-29 22:41:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1111 transitions. [2020-11-29 22:41:54,245 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1111 transitions. Word has length 139 [2020-11-29 22:41:54,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:54,245 INFO L481 AbstractCegarLoop]: Abstraction has 996 states and 1111 transitions. [2020-11-29 22:41:54,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1111 transitions. [2020-11-29 22:41:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-29 22:41:54,250 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:54,251 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:41:54,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:41:54,251 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:54,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:54,252 INFO L82 PathProgramCache]: Analyzing trace with hash -271793644, now seen corresponding path program 1 times [2020-11-29 22:41:54,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:54,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334182429] [2020-11-29 22:41:54,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 22:41:54,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334182429] [2020-11-29 22:41:54,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:41:54,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:41:54,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203676862] [2020-11-29 22:41:54,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:54,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:54,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:54,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:54,439 INFO L87 Difference]: Start difference. First operand 996 states and 1111 transitions. Second operand 3 states. [2020-11-29 22:41:55,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:55,131 INFO L93 Difference]: Finished difference Result 2130 states and 2388 transitions. [2020-11-29 22:41:55,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:55,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2020-11-29 22:41:55,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:55,138 INFO L225 Difference]: With dead ends: 2130 [2020-11-29 22:41:55,139 INFO L226 Difference]: Without dead ends: 996 [2020-11-29 22:41:55,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:41:55,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-11-29 22:41:55,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 996. [2020-11-29 22:41:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-11-29 22:41:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1086 transitions. [2020-11-29 22:41:55,185 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1086 transitions. Word has length 192 [2020-11-29 22:41:55,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:55,186 INFO L481 AbstractCegarLoop]: Abstraction has 996 states and 1086 transitions. [2020-11-29 22:41:55,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:55,186 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1086 transitions. [2020-11-29 22:41:55,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-29 22:41:55,192 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:41:55,192 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:41:55,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:41:55,193 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:41:55,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:41:55,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1393621088, now seen corresponding path program 1 times [2020-11-29 22:41:55,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:41:55,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217732151] [2020-11-29 22:41:55,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:41:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-11-29 22:41:55,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217732151] [2020-11-29 22:41:55,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259635446] [2020-11-29 22:41:55,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:41:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:41:55,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:41:55,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:41:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-29 22:41:55,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:41:55,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:41:55,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961798930] [2020-11-29 22:41:55,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:41:55,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:41:55,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:41:55,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:41:55,574 INFO L87 Difference]: Start difference. First operand 996 states and 1086 transitions. Second operand 3 states. [2020-11-29 22:41:56,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:41:56,230 INFO L93 Difference]: Finished difference Result 2269 states and 2492 transitions. [2020-11-29 22:41:56,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:41:56,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-11-29 22:41:56,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:41:56,231 INFO L225 Difference]: With dead ends: 2269 [2020-11-29 22:41:56,231 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:41:56,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:41:56,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:41:56,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:41:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:41:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:41:56,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2020-11-29 22:41:56,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:41:56,235 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:41:56,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:41:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:41:56,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:41:56,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 22:41:56,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:41:56,805 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-11-29 22:41:57,094 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-11-29 22:41:57,098 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,099 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 22:41:57,100 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 22:41:57,101 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 22:41:57,102 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,103 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 22:41:57,104 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 22:41:57,111 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,111 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,111 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,112 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 22:41:57,112 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 22:41:57,112 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 22:41:57,112 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 22:41:57,112 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 22:41:57,112 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 22:41:57,112 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 22:41:57,112 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 22:41:57,113 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 22:41:57,113 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,113 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,113 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,113 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 22:41:57,113 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 22:41:57,113 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 22:41:57,114 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 22:41:57,114 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 22:41:57,114 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 22:41:57,114 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:41:57,114 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:41:57,114 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,114 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,115 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,115 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 22:41:57,115 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 22:41:57,115 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 22:41:57,115 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 22:41:57,115 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 22:41:57,115 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 22:41:57,116 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 22:41:57,116 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 22:41:57,116 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,116 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,116 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,117 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 22:41:57,117 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 22:41:57,117 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 22:41:57,117 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 22:41:57,117 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 22:41:57,117 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,117 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,118 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,118 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 22:41:57,118 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 22:41:57,118 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 22:41:57,118 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 22:41:57,118 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 22:41:57,118 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 22:41:57,118 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 22:41:57,119 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 22:41:57,119 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 22:41:57,119 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 22:41:57,119 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 22:41:57,119 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,119 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,119 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 22:41:57,120 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 22:41:57,120 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 22:41:57,120 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 22:41:57,120 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 22:41:57,120 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 22:41:57,120 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 22:41:57,120 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 22:41:57,120 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 22:41:57,121 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 22:41:57,123 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse5 (= ~a25~0 ~a11~0)) (.cse8 (<= ~a28~0 7)) (.cse1 (= ~a25~0 0)) (.cse3 (<= ~a28~0 10)) (.cse6 (= ~a19~0 1)) (.cse7 (<= 8 ~a17~0)) (.cse4 (= ~a25~0 1)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse2) (and .cse5 .cse6 .cse4 .cse8 .cse2) (and (<= 9 ~a28~0) .cse6 .cse1 .cse2 .cse3) (and .cse6 .cse7 .cse4 .cse2))) [2020-11-29 22:41:57,123 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,124 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,124 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 22:41:57,124 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 22:41:57,124 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 22:41:57,124 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 22:41:57,124 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 22:41:57,124 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 22:41:57,125 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 22:41:57,125 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,125 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,125 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 22:41:57,125 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 22:41:57,125 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 22:41:57,125 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 22:41:57,125 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 22:41:57,126 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 22:41:57,126 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 22:41:57,127 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 22:41:57,127 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 22:41:57,127 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,127 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,127 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 22:41:57,127 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 22:41:57,127 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 22:41:57,128 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 22:41:57,128 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:41:57,128 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 22:41:57,128 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 22:41:57,128 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse5 (= ~a25~0 ~a11~0)) (.cse8 (<= ~a28~0 7)) (.cse1 (= ~a25~0 0)) (.cse3 (<= ~a28~0 10)) (.cse6 (= ~a19~0 1)) (.cse7 (<= 8 ~a17~0)) (.cse4 (= ~a25~0 1)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse2) (and .cse5 .cse6 .cse4 .cse8 .cse2) (and (<= 9 ~a28~0) .cse6 .cse1 .cse2 .cse3) (and .cse6 .cse7 .cse4 .cse2))) [2020-11-29 22:41:57,129 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,129 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,129 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 22:41:57,129 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 22:41:57,129 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 22:41:57,129 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 22:41:57,129 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 22:41:57,129 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,130 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,130 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 22:41:57,130 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 22:41:57,130 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 22:41:57,130 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 22:41:57,130 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 22:41:57,130 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 22:41:57,131 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 22:41:57,131 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 22:41:57,131 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 22:41:57,131 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,131 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,131 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 22:41:57,131 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,131 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:41:57,132 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 22:41:57,132 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 22:41:57,132 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 22:41:57,132 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 22:41:57,132 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 22:41:57,132 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 22:41:57,132 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,133 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,133 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,133 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 22:41:57,133 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 22:41:57,133 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 22:41:57,133 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 22:41:57,133 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 22:41:57,133 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,134 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,134 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 22:41:57,134 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 22:41:57,134 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 22:41:57,134 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 22:41:57,134 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 22:41:57,134 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 22:41:57,134 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 22:41:57,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:41:57 BoogieIcfgContainer [2020-11-29 22:41:57,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:41:57,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:41:57,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:41:57,189 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:41:57,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:41:44" (3/4) ... [2020-11-29 22:41:57,193 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:41:57,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 22:41:57,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:41:57,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:41:57,239 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:41:57,434 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b12f067-ed98-4988-8945-a4c31a42091d/bin/uautomizer/witness.graphml [2020-11-29 22:41:57,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:41:57,435 INFO L168 Benchmark]: Toolchain (without parser) took 15096.22 ms. Allocated memory was 90.2 MB in the beginning and 255.9 MB in the end (delta: 165.7 MB). Free memory was 53.0 MB in the beginning and 192.8 MB in the end (delta: -139.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:41:57,436 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory was 71.0 MB in the beginning and 71.0 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:41:57,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.35 ms. Allocated memory is still 90.2 MB. Free memory was 52.8 MB in the beginning and 51.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:41:57,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.57 ms. Allocated memory is still 90.2 MB. Free memory was 51.5 MB in the beginning and 46.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:41:57,437 INFO L168 Benchmark]: Boogie Preprocessor took 95.54 ms. Allocated memory is still 90.2 MB. Free memory was 46.0 MB in the beginning and 41.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:41:57,437 INFO L168 Benchmark]: RCFGBuilder took 1597.96 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 41.5 MB in the beginning and 70.0 MB in the end (delta: -28.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:41:57,438 INFO L168 Benchmark]: TraceAbstraction took 12285.58 ms. Allocated memory was 109.1 MB in the beginning and 255.9 MB in the end (delta: 146.8 MB). Free memory was 69.4 MB in the beginning and 207.5 MB in the end (delta: -138.0 MB). Peak memory consumption was 142.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:41:57,438 INFO L168 Benchmark]: Witness Printer took 245.61 ms. Allocated memory is still 255.9 MB. Free memory was 207.5 MB in the beginning and 192.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:41:57,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory was 71.0 MB in the beginning and 71.0 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.35 ms. Allocated memory is still 90.2 MB. Free memory was 52.8 MB in the beginning and 51.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.57 ms. Allocated memory is still 90.2 MB. Free memory was 51.5 MB in the beginning and 46.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.54 ms. Allocated memory is still 90.2 MB. Free memory was 46.0 MB in the beginning and 41.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1597.96 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 41.5 MB in the beginning and 70.0 MB in the end (delta: -28.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12285.58 ms. Allocated memory was 109.1 MB in the beginning and 255.9 MB in the end (delta: 146.8 MB). Free memory was 69.4 MB in the beginning and 207.5 MB in the end (delta: -138.0 MB). Peak memory consumption was 142.1 MB. Max. memory is 16.1 GB. * Witness Printer took 245.61 ms. Allocated memory is still 255.9 MB. Free memory was 207.5 MB in the beginning and 192.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((a19 <= 0 && a25 == 0) && a17 <= 8) && a28 <= 10) || (((a19 <= 0 && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((((a25 == a11 && a19 == 1) && a25 == 0) && 8 <= a17) && a28 <= 7) && a17 <= 8)) || ((((a25 == a11 && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a25 == 0) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((a19 <= 0 && a25 == 0) && a17 <= 8) && a28 <= 10) || (((a19 <= 0 && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((((a25 == a11 && a19 == 1) && a25 == 0) && 8 <= a17) && a28 <= 7) && a17 <= 8)) || ((((a25 == a11 && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a25 == 0) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1122 SDtfs, 1334 SDslu, 119 SDs, 0 SdLazy, 3299 SolverSat, 589 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1424occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 290 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 183 HoareAnnotationTreeSize, 3 FomulaSimplifications, 372 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 94 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1698 NumberOfCodeBlocks, 1698 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1686 ConstructedInterpolants, 0 QuantifiedInterpolants, 377490 SizeOfPredicates, 1 NumberOfNonLiveVariables, 689 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 660/666 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...