./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label52.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_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label52.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/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 efccbef220276aa31e2f1b45b0277ab01c93e4a6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:30:40,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:30:40,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:30:40,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:30:40,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:30:40,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:30:40,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:30:40,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:30:40,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:30:40,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:30:40,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:30:40,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:30:40,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:30:40,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:30:40,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:30:40,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:30:40,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:30:40,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:30:40,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:30:40,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:30:40,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:30:40,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:30:40,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:30:40,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:30:40,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:30:40,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:30:40,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:30:40,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:30:40,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:30:40,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:30:40,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:30:40,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:30:40,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:30:40,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:30:40,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:30:40,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:30:40,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:30:40,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:30:40,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:30:40,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:30:40,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:30:40,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:30:40,918 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:30:40,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:30:40,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:30:40,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:30:40,922 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:30:40,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:30:40,923 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:30:40,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:30:40,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:30:40,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:30:40,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:30:40,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:30:40,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:30:40,925 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:30:40,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:30:40,926 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:30:40,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:30:40,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:30:40,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:30:40,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:30:40,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:30:40,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:30:40,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:30:40,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:30:40,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:30:40,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:30:40,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:30:40,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:30:40,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:30:40,930 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_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efccbef220276aa31e2f1b45b0277ab01c93e4a6 [2020-11-29 21:30:41,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:30:41,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:30:41,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:30:41,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:30:41,258 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:30:41,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2020-11-29 21:30:41,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/data/db93a2ba7/fdbd8ae7fa2d4652bd2909b559c1feba/FLAGcc7c3aac5 [2020-11-29 21:30:42,138 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:30:42,139 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2020-11-29 21:30:42,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/data/db93a2ba7/fdbd8ae7fa2d4652bd2909b559c1feba/FLAGcc7c3aac5 [2020-11-29 21:30:42,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/data/db93a2ba7/fdbd8ae7fa2d4652bd2909b559c1feba [2020-11-29 21:30:42,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:30:42,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:30:42,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:42,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:30:42,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:30:42,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:42" (1/1) ... [2020-11-29 21:30:42,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d648b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:42, skipping insertion in model container [2020-11-29 21:30:42,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:42" (1/1) ... [2020-11-29 21:30:42,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:30:42,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:30:43,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:43,062 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:30:43,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:43,299 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:30:43,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43 WrapperNode [2020-11-29 21:30:43,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:43,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:30:43,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:30:43,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:30:43,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... [2020-11-29 21:30:43,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... [2020-11-29 21:30:43,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:30:43,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:30:43,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:30:43,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:30:43,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... [2020-11-29 21:30:43,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... [2020-11-29 21:30:43,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... [2020-11-29 21:30:43,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... [2020-11-29 21:30:43,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... [2020-11-29 21:30:43,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... [2020-11-29 21:30:43,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... [2020-11-29 21:30:43,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:30:43,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:30:43,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:30:43,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:30:43,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/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 21:30:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:30:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:30:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:30:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:30:46,319 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:30:46,322 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 21:30:46,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:46 BoogieIcfgContainer [2020-11-29 21:30:46,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:30:46,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:30:46,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:30:46,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:30:46,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:30:42" (1/3) ... [2020-11-29 21:30:46,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d224d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:46, skipping insertion in model container [2020-11-29 21:30:46,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:43" (2/3) ... [2020-11-29 21:30:46,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d224d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:46, skipping insertion in model container [2020-11-29 21:30:46,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:46" (3/3) ... [2020-11-29 21:30:46,340 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label52.c [2020-11-29 21:30:46,355 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:30:46,361 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:30:46,377 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:30:46,435 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:30:46,435 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:30:46,435 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:30:46,436 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:30:46,436 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:30:46,436 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:30:46,436 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:30:46,436 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:30:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 21:30:46,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 21:30:46,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:46,480 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] [2020-11-29 21:30:46,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:46,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:46,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2020-11-29 21:30:46,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:46,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195223256] [2020-11-29 21:30:46,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:46,961 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 21:30:46,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195223256] [2020-11-29 21:30:46,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:46,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:30:46,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070420127] [2020-11-29 21:30:46,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:30:46,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:46,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:30:46,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:47,000 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 21:30:49,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:49,148 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-11-29 21:30:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:30:49,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-11-29 21:30:49,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:49,186 INFO L225 Difference]: With dead ends: 762 [2020-11-29 21:30:49,188 INFO L226 Difference]: Without dead ends: 413 [2020-11-29 21:30:49,205 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 21:30:49,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-11-29 21:30:49,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-11-29 21:30:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-11-29 21:30:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-11-29 21:30:49,294 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 52 [2020-11-29 21:30:49,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:49,295 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-11-29 21:30:49,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:30:49,295 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-11-29 21:30:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-29 21:30:49,301 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:49,302 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:30:49,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:30:49,302 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:49,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:49,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1273625574, now seen corresponding path program 1 times [2020-11-29 21:30:49,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:49,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621464751] [2020-11-29 21:30:49,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:49,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621464751] [2020-11-29 21:30:49,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:49,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:30:49,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671669024] [2020-11-29 21:30:49,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:30:49,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:49,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:30:49,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:49,514 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-11-29 21:30:50,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:50,993 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-11-29 21:30:50,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:30:50,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-11-29 21:30:50,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:51,002 INFO L225 Difference]: With dead ends: 1211 [2020-11-29 21:30:51,002 INFO L226 Difference]: Without dead ends: 800 [2020-11-29 21:30:51,009 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 21:30:51,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-29 21:30:51,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-11-29 21:30:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-29 21:30:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-29 21:30:51,080 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 120 [2020-11-29 21:30:51,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:51,081 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-29 21:30:51,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:30:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-29 21:30:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-29 21:30:51,096 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:51,097 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 21:30:51,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:30:51,097 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:51,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:51,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1123801205, now seen corresponding path program 1 times [2020-11-29 21:30:51,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:51,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726524124] [2020-11-29 21:30:51,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:51,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726524124] [2020-11-29 21:30:51,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:51,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:30:51,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448849392] [2020-11-29 21:30:51,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:30:51,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:51,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:30:51,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:51,335 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-29 21:30:52,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:52,677 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-11-29 21:30:52,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:30:52,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-29 21:30:52,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:52,688 INFO L225 Difference]: With dead ends: 2314 [2020-11-29 21:30:52,689 INFO L226 Difference]: Without dead ends: 1527 [2020-11-29 21:30:52,691 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 21:30:52,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-11-29 21:30:52,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-11-29 21:30:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-29 21:30:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-11-29 21:30:52,784 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 122 [2020-11-29 21:30:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:52,788 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-11-29 21:30:52,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:30:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-11-29 21:30:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-29 21:30:52,795 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:52,796 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:52,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:30:52,796 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:52,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:52,797 INFO L82 PathProgramCache]: Analyzing trace with hash 290402297, now seen corresponding path program 1 times [2020-11-29 21:30:52,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:52,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991728894] [2020-11-29 21:30:52,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:53,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991728894] [2020-11-29 21:30:53,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:53,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:30:53,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582828224] [2020-11-29 21:30:53,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:30:53,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:53,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:30:53,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:53,047 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-11-29 21:30:54,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:54,721 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-11-29 21:30:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:30:54,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-11-29 21:30:54,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:54,740 INFO L225 Difference]: With dead ends: 3257 [2020-11-29 21:30:54,741 INFO L226 Difference]: Without dead ends: 1917 [2020-11-29 21:30:54,743 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 21:30:54,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-11-29 21:30:54,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-11-29 21:30:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-11-29 21:30:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-11-29 21:30:54,801 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 179 [2020-11-29 21:30:54,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:54,804 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-11-29 21:30:54,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:30:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-11-29 21:30:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-29 21:30:54,811 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:54,811 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 21:30:54,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 21:30:54,812 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:54,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:54,813 INFO L82 PathProgramCache]: Analyzing trace with hash 193360945, now seen corresponding path program 1 times [2020-11-29 21:30:54,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:54,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964468746] [2020-11-29 21:30:54,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 21:30:55,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964468746] [2020-11-29 21:30:55,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:55,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:30:55,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940062564] [2020-11-29 21:30:55,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:30:55,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:55,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:30:55,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:55,151 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-11-29 21:30:56,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:56,915 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-11-29 21:30:56,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:30:56,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-11-29 21:30:56,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:56,934 INFO L225 Difference]: With dead ends: 4389 [2020-11-29 21:30:56,934 INFO L226 Difference]: Without dead ends: 2661 [2020-11-29 21:30:56,937 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 21:30:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-11-29 21:30:56,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-11-29 21:30:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-11-29 21:30:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-11-29 21:30:57,001 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 234 [2020-11-29 21:30:57,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:57,003 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-11-29 21:30:57,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:30:57,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-11-29 21:30:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-29 21:30:57,008 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:57,009 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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 21:30:57,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 21:30:57,009 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:57,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:57,010 INFO L82 PathProgramCache]: Analyzing trace with hash 663682114, now seen corresponding path program 1 times [2020-11-29 21:30:57,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:57,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321119936] [2020-11-29 21:30:57,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 95 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 21:30:57,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321119936] [2020-11-29 21:30:57,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951451107] [2020-11-29 21:30:57,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/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 21:30:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:57,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:30:57,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:30:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 21:30:58,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 21:30:58,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-11-29 21:30:58,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110080534] [2020-11-29 21:30:58,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:30:58,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:58,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:30:58,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 21:30:58,245 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-11-29 21:31:00,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:00,088 INFO L93 Difference]: Finished difference Result 6589 states and 8262 transitions. [2020-11-29 21:31:00,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:31:00,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-11-29 21:31:00,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:00,118 INFO L225 Difference]: With dead ends: 6589 [2020-11-29 21:31:00,118 INFO L226 Difference]: Without dead ends: 4124 [2020-11-29 21:31:00,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 21:31:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4124 states. [2020-11-29 21:31:00,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4124 to 4124. [2020-11-29 21:31:00,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4124 states. [2020-11-29 21:31:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 4124 states and 5062 transitions. [2020-11-29 21:31:00,223 INFO L78 Accepts]: Start accepts. Automaton has 4124 states and 5062 transitions. Word has length 240 [2020-11-29 21:31:00,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:00,224 INFO L481 AbstractCegarLoop]: Abstraction has 4124 states and 5062 transitions. [2020-11-29 21:31:00,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:31:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states and 5062 transitions. [2020-11-29 21:31:00,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-11-29 21:31:00,231 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:00,232 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:31:00,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 21:31:00,449 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:00,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:00,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1640958507, now seen corresponding path program 1 times [2020-11-29 21:31:00,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:00,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578461143] [2020-11-29 21:31:00,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-11-29 21:31:00,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578461143] [2020-11-29 21:31:00,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:00,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:31:00,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915836551] [2020-11-29 21:31:00,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:31:00,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:00,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:31:00,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:31:00,763 INFO L87 Difference]: Start difference. First operand 4124 states and 5062 transitions. Second operand 3 states. [2020-11-29 21:31:02,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:02,584 INFO L93 Difference]: Finished difference Result 9544 states and 11819 transitions. [2020-11-29 21:31:02,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:31:02,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-11-29 21:31:02,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:02,614 INFO L225 Difference]: With dead ends: 9544 [2020-11-29 21:31:02,614 INFO L226 Difference]: Without dead ends: 5422 [2020-11-29 21:31:02,619 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 21:31:02,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5422 states. [2020-11-29 21:31:02,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5422 to 5413. [2020-11-29 21:31:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5413 states. [2020-11-29 21:31:02,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5413 states to 5413 states and 6530 transitions. [2020-11-29 21:31:02,733 INFO L78 Accepts]: Start accepts. Automaton has 5413 states and 6530 transitions. Word has length 271 [2020-11-29 21:31:02,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:02,734 INFO L481 AbstractCegarLoop]: Abstraction has 5413 states and 6530 transitions. [2020-11-29 21:31:02,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:31:02,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5413 states and 6530 transitions. [2020-11-29 21:31:02,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-11-29 21:31:02,746 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:02,746 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:31:02,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 21:31:02,747 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:02,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:02,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1671786188, now seen corresponding path program 1 times [2020-11-29 21:31:02,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:02,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453750471] [2020-11-29 21:31:02,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-29 21:31:03,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453750471] [2020-11-29 21:31:03,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:03,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:31:03,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065188452] [2020-11-29 21:31:03,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:31:03,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:03,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:31:03,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:31:03,017 INFO L87 Difference]: Start difference. First operand 5413 states and 6530 transitions. Second operand 3 states. [2020-11-29 21:31:04,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:04,426 INFO L93 Difference]: Finished difference Result 12295 states and 15022 transitions. [2020-11-29 21:31:04,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:31:04,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 317 [2020-11-29 21:31:04,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:04,465 INFO L225 Difference]: With dead ends: 12295 [2020-11-29 21:31:04,465 INFO L226 Difference]: Without dead ends: 6884 [2020-11-29 21:31:04,473 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 21:31:04,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6884 states. [2020-11-29 21:31:04,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6884 to 4854. [2020-11-29 21:31:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4854 states. [2020-11-29 21:31:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4854 states to 4854 states and 5944 transitions. [2020-11-29 21:31:04,643 INFO L78 Accepts]: Start accepts. Automaton has 4854 states and 5944 transitions. Word has length 317 [2020-11-29 21:31:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:04,644 INFO L481 AbstractCegarLoop]: Abstraction has 4854 states and 5944 transitions. [2020-11-29 21:31:04,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:31:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4854 states and 5944 transitions. [2020-11-29 21:31:04,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-29 21:31:04,659 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:04,660 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:31:04,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 21:31:04,660 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:04,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:04,661 INFO L82 PathProgramCache]: Analyzing trace with hash -2126425706, now seen corresponding path program 1 times [2020-11-29 21:31:04,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:04,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891214619] [2020-11-29 21:31:04,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:31:05,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891214619] [2020-11-29 21:31:05,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998244977] [2020-11-29 21:31:05,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/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 21:31:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:05,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-29 21:31:05,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:31:05,624 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 21:31:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:31:05,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 21:31:05,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-29 21:31:05,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851447050] [2020-11-29 21:31:05,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 21:31:05,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:05,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 21:31:05,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:31:05,932 INFO L87 Difference]: Start difference. First operand 4854 states and 5944 transitions. Second operand 7 states. [2020-11-29 21:31:09,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:09,555 INFO L93 Difference]: Finished difference Result 14066 states and 17031 transitions. [2020-11-29 21:31:09,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 21:31:09,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 336 [2020-11-29 21:31:09,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:09,598 INFO L225 Difference]: With dead ends: 14066 [2020-11-29 21:31:09,598 INFO L226 Difference]: Without dead ends: 9214 [2020-11-29 21:31:09,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-29 21:31:09,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9214 states. [2020-11-29 21:31:09,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9214 to 5035. [2020-11-29 21:31:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5035 states. [2020-11-29 21:31:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6130 transitions. [2020-11-29 21:31:09,736 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6130 transitions. Word has length 336 [2020-11-29 21:31:09,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:09,736 INFO L481 AbstractCegarLoop]: Abstraction has 5035 states and 6130 transitions. [2020-11-29 21:31:09,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 21:31:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6130 transitions. [2020-11-29 21:31:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-11-29 21:31:09,750 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:09,751 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:31:09,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 21:31:09,965 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:09,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:09,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1209575348, now seen corresponding path program 1 times [2020-11-29 21:31:09,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:09,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521199002] [2020-11-29 21:31:09,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:31:10,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521199002] [2020-11-29 21:31:10,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:10,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:31:10,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619298838] [2020-11-29 21:31:10,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:31:10,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:10,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:31:10,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:31:10,377 INFO L87 Difference]: Start difference. First operand 5035 states and 6130 transitions. Second operand 4 states. [2020-11-29 21:31:12,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:12,107 INFO L93 Difference]: Finished difference Result 13948 states and 17018 transitions. [2020-11-29 21:31:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 21:31:12,107 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 357 [2020-11-29 21:31:12,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:12,122 INFO L225 Difference]: With dead ends: 13948 [2020-11-29 21:31:12,123 INFO L226 Difference]: Without dead ends: 8915 [2020-11-29 21:31:12,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:31:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8915 states. [2020-11-29 21:31:12,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8915 to 7625. [2020-11-29 21:31:12,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7625 states. [2020-11-29 21:31:12,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7625 states to 7625 states and 9067 transitions. [2020-11-29 21:31:12,263 INFO L78 Accepts]: Start accepts. Automaton has 7625 states and 9067 transitions. Word has length 357 [2020-11-29 21:31:12,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:12,264 INFO L481 AbstractCegarLoop]: Abstraction has 7625 states and 9067 transitions. [2020-11-29 21:31:12,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:31:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 7625 states and 9067 transitions. [2020-11-29 21:31:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2020-11-29 21:31:12,286 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:12,287 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:31:12,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 21:31:12,287 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:12,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:12,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1172571865, now seen corresponding path program 1 times [2020-11-29 21:31:12,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:12,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232102973] [2020-11-29 21:31:12,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-29 21:31:12,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232102973] [2020-11-29 21:31:12,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:12,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:31:12,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691189012] [2020-11-29 21:31:12,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:31:12,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:12,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:31:12,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:31:12,686 INFO L87 Difference]: Start difference. First operand 7625 states and 9067 transitions. Second operand 4 states. [2020-11-29 21:31:15,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:15,059 INFO L93 Difference]: Finished difference Result 16538 states and 19586 transitions. [2020-11-29 21:31:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 21:31:15,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 431 [2020-11-29 21:31:15,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:15,086 INFO L225 Difference]: With dead ends: 16538 [2020-11-29 21:31:15,086 INFO L226 Difference]: Without dead ends: 8915 [2020-11-29 21:31:15,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:31:15,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8915 states. [2020-11-29 21:31:15,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8915 to 7625. [2020-11-29 21:31:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7625 states. [2020-11-29 21:31:15,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7625 states to 7625 states and 9067 transitions. [2020-11-29 21:31:15,211 INFO L78 Accepts]: Start accepts. Automaton has 7625 states and 9067 transitions. Word has length 431 [2020-11-29 21:31:15,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:15,215 INFO L481 AbstractCegarLoop]: Abstraction has 7625 states and 9067 transitions. [2020-11-29 21:31:15,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:31:15,216 INFO L276 IsEmpty]: Start isEmpty. Operand 7625 states and 9067 transitions. [2020-11-29 21:31:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2020-11-29 21:31:15,229 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:15,230 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:31:15,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 21:31:15,230 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:15,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:15,231 INFO L82 PathProgramCache]: Analyzing trace with hash 610449068, now seen corresponding path program 1 times [2020-11-29 21:31:15,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:15,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475784849] [2020-11-29 21:31:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-11-29 21:31:15,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475784849] [2020-11-29 21:31:15,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:15,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:31:15,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353682652] [2020-11-29 21:31:15,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:31:15,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:15,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:31:15,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:31:15,606 INFO L87 Difference]: Start difference. First operand 7625 states and 9067 transitions. Second operand 4 states. [2020-11-29 21:31:17,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:17,408 INFO L93 Difference]: Finished difference Result 20971 states and 24863 transitions. [2020-11-29 21:31:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 21:31:17,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 431 [2020-11-29 21:31:17,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:17,434 INFO L225 Difference]: With dead ends: 20971 [2020-11-29 21:31:17,434 INFO L226 Difference]: Without dead ends: 13348 [2020-11-29 21:31:17,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:31:17,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13348 states. [2020-11-29 21:31:17,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13348 to 13161. [2020-11-29 21:31:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13161 states. [2020-11-29 21:31:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13161 states to 13161 states and 15429 transitions. [2020-11-29 21:31:17,645 INFO L78 Accepts]: Start accepts. Automaton has 13161 states and 15429 transitions. Word has length 431 [2020-11-29 21:31:17,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:17,645 INFO L481 AbstractCegarLoop]: Abstraction has 13161 states and 15429 transitions. [2020-11-29 21:31:17,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:31:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 13161 states and 15429 transitions. [2020-11-29 21:31:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2020-11-29 21:31:17,669 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:17,669 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:31:17,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 21:31:17,670 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:17,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:17,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1602583699, now seen corresponding path program 1 times [2020-11-29 21:31:17,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:17,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194698611] [2020-11-29 21:31:17,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:18,051 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-11-29 21:31:18,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194698611] [2020-11-29 21:31:18,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:18,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:31:18,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792419460] [2020-11-29 21:31:18,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:31:18,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:18,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:31:18,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:31:18,054 INFO L87 Difference]: Start difference. First operand 13161 states and 15429 transitions. Second operand 3 states. [2020-11-29 21:31:19,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:19,270 INFO L93 Difference]: Finished difference Result 26523 states and 31079 transitions. [2020-11-29 21:31:19,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:31:19,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 476 [2020-11-29 21:31:19,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:19,293 INFO L225 Difference]: With dead ends: 26523 [2020-11-29 21:31:19,294 INFO L226 Difference]: Without dead ends: 13364 [2020-11-29 21:31:19,306 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 21:31:19,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13364 states. [2020-11-29 21:31:19,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13364 to 12609. [2020-11-29 21:31:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12609 states. [2020-11-29 21:31:19,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12609 states to 12609 states and 14439 transitions. [2020-11-29 21:31:19,580 INFO L78 Accepts]: Start accepts. Automaton has 12609 states and 14439 transitions. Word has length 476 [2020-11-29 21:31:19,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:19,581 INFO L481 AbstractCegarLoop]: Abstraction has 12609 states and 14439 transitions. [2020-11-29 21:31:19,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:31:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 12609 states and 14439 transitions. [2020-11-29 21:31:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2020-11-29 21:31:19,601 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:19,602 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:31:19,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 21:31:19,602 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:19,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:19,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1547843442, now seen corresponding path program 1 times [2020-11-29 21:31:19,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:19,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539770132] [2020-11-29 21:31:19,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-11-29 21:31:20,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539770132] [2020-11-29 21:31:20,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:20,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:31:20,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812719907] [2020-11-29 21:31:20,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:31:20,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:20,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:31:20,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:31:20,015 INFO L87 Difference]: Start difference. First operand 12609 states and 14439 transitions. Second operand 3 states. [2020-11-29 21:31:20,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:20,613 INFO L93 Difference]: Finished difference Result 24646 states and 28183 transitions. [2020-11-29 21:31:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:31:20,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 488 [2020-11-29 21:31:20,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:20,630 INFO L225 Difference]: With dead ends: 24646 [2020-11-29 21:31:20,631 INFO L226 Difference]: Without dead ends: 12039 [2020-11-29 21:31:20,641 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 21:31:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12039 states. [2020-11-29 21:31:20,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12039 to 12035. [2020-11-29 21:31:20,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12035 states. [2020-11-29 21:31:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12035 states to 12035 states and 13732 transitions. [2020-11-29 21:31:20,814 INFO L78 Accepts]: Start accepts. Automaton has 12035 states and 13732 transitions. Word has length 488 [2020-11-29 21:31:20,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:20,815 INFO L481 AbstractCegarLoop]: Abstraction has 12035 states and 13732 transitions. [2020-11-29 21:31:20,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:31:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 12035 states and 13732 transitions. [2020-11-29 21:31:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-11-29 21:31:20,832 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:20,832 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 21:31:20,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 21:31:20,833 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:20,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:20,834 INFO L82 PathProgramCache]: Analyzing trace with hash -264628616, now seen corresponding path program 1 times [2020-11-29 21:31:20,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:20,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611090827] [2020-11-29 21:31:20,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-11-29 21:31:21,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611090827] [2020-11-29 21:31:21,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:21,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:31:21,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838162695] [2020-11-29 21:31:21,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:31:21,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:21,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:31:21,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:31:21,271 INFO L87 Difference]: Start difference. First operand 12035 states and 13732 transitions. Second operand 3 states. [2020-11-29 21:31:22,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:22,301 INFO L93 Difference]: Finished difference Result 22389 states and 25413 transitions. [2020-11-29 21:31:22,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:31:22,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 504 [2020-11-29 21:31:22,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:22,316 INFO L225 Difference]: With dead ends: 22389 [2020-11-29 21:31:22,316 INFO L226 Difference]: Without dead ends: 10356 [2020-11-29 21:31:22,323 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 21:31:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10356 states. [2020-11-29 21:31:22,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10356 to 9620. [2020-11-29 21:31:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9620 states. [2020-11-29 21:31:22,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9620 states to 9620 states and 10719 transitions. [2020-11-29 21:31:22,458 INFO L78 Accepts]: Start accepts. Automaton has 9620 states and 10719 transitions. Word has length 504 [2020-11-29 21:31:22,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:22,459 INFO L481 AbstractCegarLoop]: Abstraction has 9620 states and 10719 transitions. [2020-11-29 21:31:22,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:31:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 9620 states and 10719 transitions. [2020-11-29 21:31:22,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2020-11-29 21:31:22,482 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:22,483 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:31:22,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 21:31:22,484 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:22,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:22,485 INFO L82 PathProgramCache]: Analyzing trace with hash -619731925, now seen corresponding path program 1 times [2020-11-29 21:31:22,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:22,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457092103] [2020-11-29 21:31:22,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 1023 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2020-11-29 21:31:23,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457092103] [2020-11-29 21:31:23,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:23,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:31:23,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219606444] [2020-11-29 21:31:23,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:31:23,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:23,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:31:23,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:31:23,199 INFO L87 Difference]: Start difference. First operand 9620 states and 10719 transitions. Second operand 3 states. [2020-11-29 21:31:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:24,270 INFO L93 Difference]: Finished difference Result 20893 states and 23289 transitions. [2020-11-29 21:31:24,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:31:24,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 760 [2020-11-29 21:31:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:24,281 INFO L225 Difference]: With dead ends: 20893 [2020-11-29 21:31:24,281 INFO L226 Difference]: Without dead ends: 10170 [2020-11-29 21:31:24,287 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 21:31:24,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10170 states. [2020-11-29 21:31:24,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10170 to 10170. [2020-11-29 21:31:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10170 states. [2020-11-29 21:31:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10170 states to 10170 states and 11132 transitions. [2020-11-29 21:31:24,418 INFO L78 Accepts]: Start accepts. Automaton has 10170 states and 11132 transitions. Word has length 760 [2020-11-29 21:31:24,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:24,419 INFO L481 AbstractCegarLoop]: Abstraction has 10170 states and 11132 transitions. [2020-11-29 21:31:24,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:31:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 10170 states and 11132 transitions. [2020-11-29 21:31:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2020-11-29 21:31:24,433 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:31:24,434 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:31:24,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 21:31:24,434 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:31:24,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:31:24,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1445539619, now seen corresponding path program 1 times [2020-11-29 21:31:24,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:31:24,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176383243] [2020-11-29 21:31:24,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:31:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:31:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1501 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2020-11-29 21:31:25,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176383243] [2020-11-29 21:31:25,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:31:25,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:31:25,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842810350] [2020-11-29 21:31:25,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:31:25,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:31:25,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:31:25,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:31:25,245 INFO L87 Difference]: Start difference. First operand 10170 states and 11132 transitions. Second operand 3 states. [2020-11-29 21:31:26,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:31:26,390 INFO L93 Difference]: Finished difference Result 21439 states and 23424 transitions. [2020-11-29 21:31:26,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:31:26,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 850 [2020-11-29 21:31:26,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:31:26,392 INFO L225 Difference]: With dead ends: 21439 [2020-11-29 21:31:26,392 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 21:31:26,399 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 21:31:26,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 21:31:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 21:31:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 21:31:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 21:31:26,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 850 [2020-11-29 21:31:26,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:31:26,400 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:31:26,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:31:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:31:26,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:31:26,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 21:31:26,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 21:31:26,802 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 176 [2020-11-29 21:31:27,183 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 176 [2020-11-29 21:31:28,732 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 156 DAG size of output: 80 [2020-11-29 21:31:30,082 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 156 DAG size of output: 80 [2020-11-29 21:31:30,086 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 21:31:30,086 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,086 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 21:31:30,086 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,086 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,087 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,088 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,089 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 21:31:30,089 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 21:31:30,089 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 21:31:30,089 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,089 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,089 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse16 (+ ~a23~0 43))) (let ((.cse1 (<= ~a23~0 312)) (.cse6 (= ~a25~0 12)) (.cse15 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse9 (<= ~a25~0 10)) (.cse12 (<= ~a29~0 245)) (.cse11 (<= ~a23~0 138)) (.cse10 (= ~a4~0 0)) (.cse8 (<= (+ ~a29~0 22) 0)) (.cse14 (< 0 .cse16)) (.cse7 (= ~a3~0 1)) (.cse5 (< 306 ~a23~0)) (.cse13 (= ~a25~0 13)) (.cse2 (= ~a8~0 15)) (.cse3 (<= ~a29~0 599998)) (.cse4 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (or (<= ~a29~0 277) (not (= 6 ULTIMATE.start_calculate_output_~input))) .cse2 .cse6 .cse3 .cse4 .cse7) (and .cse8 .cse1 .cse2 .cse6 .cse4) (and .cse9 .cse2 .cse3 .cse4) (and .cse10 .cse2 .cse6 .cse3) (and .cse11 .cse9 .cse10 .cse2 .cse12) (and .cse0 (<= ~a29~0 130) .cse2 .cse4) (and .cse0 .cse10 .cse1 .cse2 .cse3) (and .cse10 .cse8 .cse13 (<= (+ ~a23~0 599772) 0) .cse2) (and .cse9 .cse10 .cse8 .cse2) (and .cse11 .cse9 .cse2 .cse4 .cse7 .cse14) (and (<= (+ ~a29~0 21) 0) .cse2 .cse6 .cse4 .cse7) (and .cse15 .cse9 .cse2 .cse4 .cse7) (and .cse15 .cse0 .cse2 .cse7 .cse4) (and .cse9 .cse10 .cse2 .cse3 (<= .cse16 0)) (and .cse13 .cse2 .cse12 .cse4) (and .cse11 .cse10 .cse8 .cse13 .cse2 .cse14) (and (or (and .cse13 .cse7) (and .cse5 .cse13)) .cse2 .cse3 .cse4)))) [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 21:31:30,090 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,091 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,092 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse16 (+ ~a23~0 43))) (let ((.cse1 (<= ~a23~0 312)) (.cse6 (= ~a25~0 12)) (.cse15 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse9 (<= ~a25~0 10)) (.cse12 (<= ~a29~0 245)) (.cse11 (<= ~a23~0 138)) (.cse10 (= ~a4~0 0)) (.cse8 (<= (+ ~a29~0 22) 0)) (.cse14 (< 0 .cse16)) (.cse7 (= ~a3~0 1)) (.cse5 (< 306 ~a23~0)) (.cse13 (= ~a25~0 13)) (.cse2 (= ~a8~0 15)) (.cse3 (<= ~a29~0 599998)) (.cse4 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (or (<= ~a29~0 277) (not (= 6 ULTIMATE.start_calculate_output_~input))) .cse2 .cse6 .cse3 .cse4 .cse7) (and .cse8 .cse1 .cse2 .cse6 .cse4) (and .cse9 .cse2 .cse3 .cse4) (and .cse10 .cse2 .cse6 .cse3) (and .cse11 .cse9 .cse10 .cse2 .cse12) (and .cse0 .cse10 .cse1 .cse2 .cse3) (and .cse0 (<= ~a29~0 130) .cse2 .cse4) (and .cse10 .cse8 .cse13 (<= (+ ~a23~0 599772) 0) .cse2) (and .cse9 .cse10 .cse8 .cse2) (and .cse11 .cse9 .cse2 .cse4 .cse7 .cse14) (and (<= (+ ~a29~0 21) 0) .cse2 .cse6 .cse4 .cse7) (and .cse15 .cse9 .cse2 .cse4 .cse7) (and .cse15 .cse0 .cse2 .cse7 .cse4) (and .cse9 .cse10 .cse2 .cse3 (<= .cse16 0)) (and .cse13 .cse2 .cse12 .cse4) (and .cse11 .cse10 .cse8 .cse13 .cse2 .cse14) (and (or (and .cse13 .cse7) (and .cse5 .cse13)) .cse2 .cse3 .cse4)))) [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 21:31:30,093 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 21:31:30,095 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 21:31:30,095 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 21:31:30,095 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 21:31:30,095 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,095 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,095 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,096 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,096 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,096 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,096 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,096 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,096 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,096 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,097 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 21:31:30,097 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 21:31:30,097 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 21:31:30,097 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 21:31:30,097 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 21:31:30,097 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,097 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,097 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,098 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,098 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,098 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 21:31:30,098 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 21:31:30,098 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 21:31:30,098 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,098 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,098 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,099 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,099 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 21:31:30,099 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 21:31:30,099 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,099 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,099 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,099 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,099 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,100 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,100 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 21:31:30,100 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 21:31:30,100 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,100 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,100 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 21:31:30,100 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 21:31:30,100 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 21:31:30,101 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 21:31:30,101 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 21:31:30,101 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,101 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,101 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,101 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,101 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,101 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,102 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,102 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 21:31:30,102 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 21:31:30,102 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 21:31:30,102 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 21:31:30,102 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 21:31:30,102 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 21:31:30,102 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 21:31:30,103 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,103 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,103 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 21:31:30,103 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 21:31:30,103 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,103 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,103 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,103 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,104 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,104 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 21:31:30,104 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 21:31:30,104 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 21:31:30,104 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,104 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,104 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,104 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,105 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,105 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,105 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 21:31:30,105 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 21:31:30,105 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 21:31:30,105 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,105 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,105 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,105 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,106 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,106 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,106 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,106 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,106 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 21:31:30,106 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 21:31:30,106 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 21:31:30,106 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,107 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,107 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,107 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,107 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,107 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,107 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,107 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 21:31:30,107 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,108 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,108 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,108 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,108 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 21:31:30,108 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 21:31:30,108 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 21:31:30,108 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 21:31:30,108 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 21:31:30,108 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,109 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,109 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,109 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,109 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,109 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,109 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,109 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 21:31:30,110 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 21:31:30,110 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 21:31:30,110 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,110 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,110 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,110 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 21:31:30,110 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 21:31:30,110 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,111 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,111 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,111 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,111 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,111 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 21:31:30,111 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 21:31:30,111 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,111 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,111 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 21:31:30,112 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 21:31:30,112 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,112 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 21:31:30,112 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,112 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,112 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,112 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,112 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,113 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 21:31:30,113 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 21:31:30,113 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 21:31:30,113 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 21:31:30,113 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,113 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,113 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,113 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,114 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,114 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,114 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,114 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,114 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 21:31:30,114 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 21:31:30,114 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 21:31:30,114 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 21:31:30,115 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 21:31:30,115 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 21:31:30,115 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,115 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,115 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,115 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,115 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,115 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,116 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,116 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 21:31:30,116 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 21:31:30,116 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 21:31:30,116 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,116 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,116 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,116 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,117 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,117 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,117 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 21:31:30,117 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 21:31:30,117 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,117 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,117 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,117 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,118 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,118 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,118 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,118 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 21:31:30,118 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 21:31:30,118 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,118 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,118 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 21:31:30,119 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 21:31:30,119 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 21:31:30,119 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 21:31:30,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:31:30 BoogieIcfgContainer [2020-11-29 21:31:30,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:31:30,152 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:31:30,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:31:30,152 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:31:30,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:46" (3/4) ... [2020-11-29 21:31:30,156 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:31:30,192 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 21:31:30,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 21:31:30,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:31:30,198 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:31:30,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6a368e8c-5e43-4ff6-8de9-f0e4e3725c80/bin/uautomizer/witness.graphml [2020-11-29 21:31:30,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:31:30,402 INFO L168 Benchmark]: Toolchain (without parser) took 48071.37 ms. Allocated memory was 94.4 MB in the beginning and 1.1 GB in the end (delta: 979.4 MB). Free memory was 62.6 MB in the beginning and 417.2 MB in the end (delta: -354.6 MB). Peak memory consumption was 623.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:30,403 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 94.4 MB. Free memory was 50.0 MB in the beginning and 49.9 MB in the end (delta: 45.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:30,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 957.51 ms. Allocated memory is still 94.4 MB. Free memory was 62.4 MB in the beginning and 38.1 MB in the end (delta: 24.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:30,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 248.65 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 38.1 MB in the beginning and 82.0 MB in the end (delta: -43.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:30,405 INFO L168 Benchmark]: Boogie Preprocessor took 167.09 ms. Allocated memory is still 121.6 MB. Free memory was 82.0 MB in the beginning and 71.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:30,405 INFO L168 Benchmark]: RCFGBuilder took 2607.53 ms. Allocated memory is still 121.6 MB. Free memory was 71.5 MB in the beginning and 51.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:30,406 INFO L168 Benchmark]: TraceAbstraction took 43821.67 ms. Allocated memory was 121.6 MB in the beginning and 1.1 GB in the end (delta: 952.1 MB). Free memory was 51.2 MB in the beginning and 443.4 MB in the end (delta: -392.3 MB). Peak memory consumption was 656.0 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:30,406 INFO L168 Benchmark]: Witness Printer took 249.76 ms. Allocated memory is still 1.1 GB. Free memory was 443.4 MB in the beginning and 417.2 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:30,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 94.4 MB. Free memory was 50.0 MB in the beginning and 49.9 MB in the end (delta: 45.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 957.51 ms. Allocated memory is still 94.4 MB. Free memory was 62.4 MB in the beginning and 38.1 MB in the end (delta: 24.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 248.65 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 38.1 MB in the beginning and 82.0 MB in the end (delta: -43.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 167.09 ms. Allocated memory is still 121.6 MB. Free memory was 82.0 MB in the beginning and 71.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2607.53 ms. Allocated memory is still 121.6 MB. Free memory was 71.5 MB in the beginning and 51.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 43821.67 ms. Allocated memory was 121.6 MB in the beginning and 1.1 GB in the end (delta: 952.1 MB). Free memory was 51.2 MB in the beginning and 443.4 MB in the end (delta: -392.3 MB). Peak memory consumption was 656.0 MB. Max. memory is 16.1 GB. * Witness Printer took 249.76 ms. Allocated memory is still 1.1 GB. Free memory was 443.4 MB in the beginning and 417.2 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 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: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a25 == 11 && a23 <= 312) && a8 == 15) && a29 <= 599998) && a4 == 1) || ((((((306 < a23 && (a29 <= 277 || !(6 == input))) && a8 == 15) && a25 == 12) && a29 <= 599998) && a4 == 1) && a3 == 1)) || ((((a29 + 22 <= 0 && a23 <= 312) && a8 == 15) && a25 == 12) && a4 == 1)) || (((a25 <= 10 && a8 == 15) && a29 <= 599998) && a4 == 1)) || (((a4 == 0 && a8 == 15) && a25 == 12) && a29 <= 599998)) || ((((a23 <= 138 && a25 <= 10) && a4 == 0) && a8 == 15) && a29 <= 245)) || ((((a25 == 11 && a4 == 0) && a23 <= 312) && a8 == 15) && a29 <= 599998)) || (((a25 == 11 && a29 <= 130) && a8 == 15) && a4 == 1)) || ((((a4 == 0 && a29 + 22 <= 0) && a25 == 13) && a23 + 599772 <= 0) && a8 == 15)) || (((a25 <= 10 && a4 == 0) && a29 + 22 <= 0) && a8 == 15)) || (((((a23 <= 138 && a25 <= 10) && a8 == 15) && a4 == 1) && a3 == 1) && 0 < a23 + 43)) || ((((a29 + 21 <= 0 && a8 == 15) && a25 == 12) && a4 == 1) && a3 == 1)) || ((((a29 <= 599999 && a25 <= 10) && a8 == 15) && a4 == 1) && a3 == 1)) || ((((a29 <= 599999 && a25 == 11) && a8 == 15) && a3 == 1) && a4 == 1)) || ((((a25 <= 10 && a4 == 0) && a8 == 15) && a29 <= 599998) && a23 + 43 <= 0)) || (((a25 == 13 && a8 == 15) && a29 <= 245) && a4 == 1)) || (((((a23 <= 138 && a4 == 0) && a29 + 22 <= 0) && a25 == 13) && a8 == 15) && 0 < a23 + 43)) || (((((a25 == 13 && a3 == 1) || (306 < a23 && a25 == 13)) && a8 == 15) && a29 <= 599998) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a25 == 11 && a23 <= 312) && a8 == 15) && a29 <= 599998) && a4 == 1) || ((((((306 < a23 && (a29 <= 277 || !(6 == input))) && a8 == 15) && a25 == 12) && a29 <= 599998) && a4 == 1) && a3 == 1)) || ((((a29 + 22 <= 0 && a23 <= 312) && a8 == 15) && a25 == 12) && a4 == 1)) || (((a25 <= 10 && a8 == 15) && a29 <= 599998) && a4 == 1)) || (((a4 == 0 && a8 == 15) && a25 == 12) && a29 <= 599998)) || ((((a23 <= 138 && a25 <= 10) && a4 == 0) && a8 == 15) && a29 <= 245)) || (((a25 == 11 && a29 <= 130) && a8 == 15) && a4 == 1)) || ((((a25 == 11 && a4 == 0) && a23 <= 312) && a8 == 15) && a29 <= 599998)) || ((((a4 == 0 && a29 + 22 <= 0) && a25 == 13) && a23 + 599772 <= 0) && a8 == 15)) || (((a25 <= 10 && a4 == 0) && a29 + 22 <= 0) && a8 == 15)) || (((((a23 <= 138 && a25 <= 10) && a8 == 15) && a4 == 1) && a3 == 1) && 0 < a23 + 43)) || ((((a29 + 21 <= 0 && a8 == 15) && a25 == 12) && a4 == 1) && a3 == 1)) || ((((a29 <= 599999 && a25 <= 10) && a8 == 15) && a4 == 1) && a3 == 1)) || ((((a29 <= 599999 && a25 == 11) && a8 == 15) && a3 == 1) && a4 == 1)) || ((((a25 <= 10 && a4 == 0) && a8 == 15) && a29 <= 599998) && a23 + 43 <= 0)) || (((a25 == 13 && a8 == 15) && a29 <= 245) && a4 == 1)) || (((((a23 <= 138 && a4 == 0) && a29 + 22 <= 0) && a25 == 13) && a8 == 15) && 0 < a23 + 43)) || (((((a25 == 13 && a3 == 1) || (306 < a23 && a25 == 13)) && a8 == 15) && a29 <= 599998) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.9s, OverallIterations: 17, TraceHistogramMax: 7, AutomataDifference: 28.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3035 SDtfs, 3078 SDslu, 448 SDs, 0 SdLazy, 12227 SolverSat, 2297 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 631 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13161occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 10689 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 139 NumberOfFragments, 637 HoareAnnotationTreeSize, 3 FomulaSimplifications, 39482 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 6108 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 6744 NumberOfCodeBlocks, 6744 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 6725 ConstructedInterpolants, 0 QuantifiedInterpolants, 7704408 SizeOfPredicates, 7 NumberOfNonLiveVariables, 829 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 8185/8295 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...