./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label51.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_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label51.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/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 9b662101800a9cac954243c459de117719237e24 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:28,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:28,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:28,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:28,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:28,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:28,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:28,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:28,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:28,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:28,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:28,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:28,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:28,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:28,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:28,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:28,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:28,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:28,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:28,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:28,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:28,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:28,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:28,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:28,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:28,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:28,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:28,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:28,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:28,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:28,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:28,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:28,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:28,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:28,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:28,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:28,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:28,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:28,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:28,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:28,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:28,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:29,042 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:29,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:29,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:29,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:29,045 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:29,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:29,045 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:29,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:29,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:29,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:29,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:29,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:29,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:29,048 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:29,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:29,048 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:29,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:29,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:29,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:29,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:29,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:29,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:29,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:29,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:29,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:29,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:29,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:29,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:29,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:29,052 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_e4247f06-ec94-4068-904d-3fbebf092201/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b662101800a9cac954243c459de117719237e24 [2020-11-28 02:56:29,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:29,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:29,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:29,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:29,441 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:29,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label51.c [2020-11-28 02:56:29,526 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/data/a40cb96bd/0b68888d21b44fa08ed28b694ad52496/FLAGffbf7945b [2020-11-28 02:56:30,197 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:30,198 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/sv-benchmarks/c/eca-rers2012/Problem01_label51.c [2020-11-28 02:56:30,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/data/a40cb96bd/0b68888d21b44fa08ed28b694ad52496/FLAGffbf7945b [2020-11-28 02:56:30,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/data/a40cb96bd/0b68888d21b44fa08ed28b694ad52496 [2020-11-28 02:56:30,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:30,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:30,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:30,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:30,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:30,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14066370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30, skipping insertion in model container [2020-11-28 02:56:30,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:30,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:30,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:30,953 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:31,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:31,148 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:31,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31 WrapperNode [2020-11-28 02:56:31,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:31,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:31,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:31,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:31,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... [2020-11-28 02:56:31,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... [2020-11-28 02:56:31,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:31,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:31,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:31,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:31,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... [2020-11-28 02:56:31,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... [2020-11-28 02:56:31,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... [2020-11-28 02:56:31,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... [2020-11-28 02:56:31,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... [2020-11-28 02:56:31,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... [2020-11-28 02:56:31,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... [2020-11-28 02:56:31,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:31,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:31,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:31,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:31,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/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 [2020-11-28 02:56:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:32,972 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:32,972 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:56:32,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:32 BoogieIcfgContainer [2020-11-28 02:56:32,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:32,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:32,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:32,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:32,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:30" (1/3) ... [2020-11-28 02:56:32,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed89131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:32, skipping insertion in model container [2020-11-28 02:56:32,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:31" (2/3) ... [2020-11-28 02:56:32,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed89131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:32, skipping insertion in model container [2020-11-28 02:56:32,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:32" (3/3) ... [2020-11-28 02:56:32,986 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label51.c [2020-11-28 02:56:32,997 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:33,002 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:56:33,015 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:56:33,062 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:33,062 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:33,062 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:33,062 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:33,062 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:33,063 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:33,063 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:33,063 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:33,087 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 02:56:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-28 02:56:33,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:33,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:33,106 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:33,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:33,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1145971337, now seen corresponding path program 1 times [2020-11-28 02:56:33,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:33,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276546859] [2020-11-28 02:56:33,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:33,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276546859] [2020-11-28 02:56:33,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:33,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:33,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710049045] [2020-11-28 02:56:33,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:33,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:33,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:33,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:33,579 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 02:56:34,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:34,694 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 02:56:34,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:34,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-28 02:56:34,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:34,723 INFO L225 Difference]: With dead ends: 529 [2020-11-28 02:56:34,723 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 02:56:34,727 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 [2020-11-28 02:56:34,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 02:56:34,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 02:56:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 02:56:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-11-28 02:56:34,800 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 106 [2020-11-28 02:56:34,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:34,801 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-11-28 02:56:34,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:34,801 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-11-28 02:56:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-28 02:56:34,804 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:34,805 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:34,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:34,805 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:34,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:34,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1201805644, now seen corresponding path program 1 times [2020-11-28 02:56:34,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:34,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236456097] [2020-11-28 02:56:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:34,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236456097] [2020-11-28 02:56:34,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:34,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:34,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667406720] [2020-11-28 02:56:34,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:34,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:34,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:34,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:34,946 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-11-28 02:56:35,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:35,867 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-11-28 02:56:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:35,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-11-28 02:56:35,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:35,872 INFO L225 Difference]: With dead ends: 792 [2020-11-28 02:56:35,872 INFO L226 Difference]: Without dead ends: 528 [2020-11-28 02:56:35,875 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 [2020-11-28 02:56:35,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-28 02:56:35,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-28 02:56:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-28 02:56:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2020-11-28 02:56:35,905 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 112 [2020-11-28 02:56:35,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:35,905 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2020-11-28 02:56:35,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:35,905 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2020-11-28 02:56:35,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-11-28 02:56:35,910 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:35,910 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:35,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:35,911 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:35,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:35,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1750887348, now seen corresponding path program 1 times [2020-11-28 02:56:35,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:35,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024479366] [2020-11-28 02:56:35,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:36,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024479366] [2020-11-28 02:56:36,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:36,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:36,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584257141] [2020-11-28 02:56:36,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:36,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:36,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:36,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:36,349 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand 4 states. [2020-11-28 02:56:37,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:37,341 INFO L93 Difference]: Finished difference Result 1411 states and 1882 transitions. [2020-11-28 02:56:37,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:37,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2020-11-28 02:56:37,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:37,349 INFO L225 Difference]: With dead ends: 1411 [2020-11-28 02:56:37,349 INFO L226 Difference]: Without dead ends: 790 [2020-11-28 02:56:37,350 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 [2020-11-28 02:56:37,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-11-28 02:56:37,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2020-11-28 02:56:37,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-28 02:56:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 783 transitions. [2020-11-28 02:56:37,381 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 783 transitions. Word has length 113 [2020-11-28 02:56:37,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:37,382 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 783 transitions. [2020-11-28 02:56:37,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 783 transitions. [2020-11-28 02:56:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-28 02:56:37,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:37,386 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:37,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:56:37,387 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:37,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:37,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1909642184, now seen corresponding path program 1 times [2020-11-28 02:56:37,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:37,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697315052] [2020-11-28 02:56:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:37,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697315052] [2020-11-28 02:56:37,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:37,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:37,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168785162] [2020-11-28 02:56:37,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:37,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:37,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:37,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:37,502 INFO L87 Difference]: Start difference. First operand 659 states and 783 transitions. Second operand 4 states. [2020-11-28 02:56:38,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:38,403 INFO L93 Difference]: Finished difference Result 1709 states and 2065 transitions. [2020-11-28 02:56:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:38,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-11-28 02:56:38,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:38,413 INFO L225 Difference]: With dead ends: 1709 [2020-11-28 02:56:38,413 INFO L226 Difference]: Without dead ends: 1052 [2020-11-28 02:56:38,415 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 [2020-11-28 02:56:38,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-11-28 02:56:38,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-11-28 02:56:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 02:56:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1255 transitions. [2020-11-28 02:56:38,448 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1255 transitions. Word has length 121 [2020-11-28 02:56:38,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:38,448 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1255 transitions. [2020-11-28 02:56:38,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1255 transitions. [2020-11-28 02:56:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-28 02:56:38,456 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:38,456 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:38,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:56:38,456 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:38,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:38,457 INFO L82 PathProgramCache]: Analyzing trace with hash -2089966553, now seen corresponding path program 1 times [2020-11-28 02:56:38,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:38,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799570059] [2020-11-28 02:56:38,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 02:56:38,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799570059] [2020-11-28 02:56:38,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:38,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:38,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269888100] [2020-11-28 02:56:38,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:38,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:38,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:38,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:38,564 INFO L87 Difference]: Start difference. First operand 1052 states and 1255 transitions. Second operand 3 states. [2020-11-28 02:56:39,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:39,319 INFO L93 Difference]: Finished difference Result 2757 states and 3253 transitions. [2020-11-28 02:56:39,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:39,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-11-28 02:56:39,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:39,331 INFO L225 Difference]: With dead ends: 2757 [2020-11-28 02:56:39,331 INFO L226 Difference]: Without dead ends: 1707 [2020-11-28 02:56:39,333 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 [2020-11-28 02:56:39,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-11-28 02:56:39,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1314. [2020-11-28 02:56:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-11-28 02:56:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1553 transitions. [2020-11-28 02:56:39,380 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1553 transitions. Word has length 132 [2020-11-28 02:56:39,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:39,380 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1553 transitions. [2020-11-28 02:56:39,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1553 transitions. [2020-11-28 02:56:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-28 02:56:39,384 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:39,384 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:39,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:56:39,385 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:39,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:39,386 INFO L82 PathProgramCache]: Analyzing trace with hash 571734, now seen corresponding path program 1 times [2020-11-28 02:56:39,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:39,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984973236] [2020-11-28 02:56:39,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 02:56:39,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984973236] [2020-11-28 02:56:39,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335415684] [2020-11-28 02:56:39,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/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 [2020-11-28 02:56:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:39,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:39,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 02:56:39,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:39,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:39,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607269948] [2020-11-28 02:56:39,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:39,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:39,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:39,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:39,848 INFO L87 Difference]: Start difference. First operand 1314 states and 1553 transitions. Second operand 3 states. [2020-11-28 02:56:40,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:40,587 INFO L93 Difference]: Finished difference Result 3543 states and 4186 transitions. [2020-11-28 02:56:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:40,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-11-28 02:56:40,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:40,606 INFO L225 Difference]: With dead ends: 3543 [2020-11-28 02:56:40,606 INFO L226 Difference]: Without dead ends: 2100 [2020-11-28 02:56:40,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:40,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-11-28 02:56:40,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969. [2020-11-28 02:56:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-28 02:56:40,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2258 transitions. [2020-11-28 02:56:40,671 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2258 transitions. Word has length 138 [2020-11-28 02:56:40,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:40,673 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2258 transitions. [2020-11-28 02:56:40,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:40,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2258 transitions. [2020-11-28 02:56:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-28 02:56:40,679 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:40,679 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:40,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-28 02:56:40,902 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:40,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:40,903 INFO L82 PathProgramCache]: Analyzing trace with hash 899711626, now seen corresponding path program 1 times [2020-11-28 02:56:40,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:40,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306807579] [2020-11-28 02:56:40,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-28 02:56:41,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306807579] [2020-11-28 02:56:41,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360342371] [2020-11-28 02:56:41,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/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 [2020-11-28 02:56:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:41,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:41,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 02:56:41,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:41,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:41,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858400511] [2020-11-28 02:56:41,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:41,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:41,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:41,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:41,243 INFO L87 Difference]: Start difference. First operand 1969 states and 2258 transitions. Second operand 3 states. [2020-11-28 02:56:41,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:41,921 INFO L93 Difference]: Finished difference Result 4460 states and 5118 transitions. [2020-11-28 02:56:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:41,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-28 02:56:41,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:41,938 INFO L225 Difference]: With dead ends: 4460 [2020-11-28 02:56:41,938 INFO L226 Difference]: Without dead ends: 2362 [2020-11-28 02:56:41,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:41,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-28 02:56:41,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1969. [2020-11-28 02:56:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-28 02:56:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2244 transitions. [2020-11-28 02:56:41,995 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2244 transitions. Word has length 155 [2020-11-28 02:56:41,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:41,996 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2244 transitions. [2020-11-28 02:56:41,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2244 transitions. [2020-11-28 02:56:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-28 02:56:42,002 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:42,002 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:42,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:42,218 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:42,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:42,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1808547945, now seen corresponding path program 1 times [2020-11-28 02:56:42,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:42,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476627298] [2020-11-28 02:56:42,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:42,302 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 02:56:42,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476627298] [2020-11-28 02:56:42,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574436659] [2020-11-28 02:56:42,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:42,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 02:56:42,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-28 02:56:42,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:42,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:42,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827215260] [2020-11-28 02:56:42,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:42,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:42,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:42,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:42,619 INFO L87 Difference]: Start difference. First operand 1969 states and 2244 transitions. Second operand 3 states. [2020-11-28 02:56:43,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:43,296 INFO L93 Difference]: Finished difference Result 4460 states and 5131 transitions. [2020-11-28 02:56:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:43,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-28 02:56:43,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:43,313 INFO L225 Difference]: With dead ends: 4460 [2020-11-28 02:56:43,313 INFO L226 Difference]: Without dead ends: 2624 [2020-11-28 02:56:43,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:43,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-11-28 02:56:43,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 1969. [2020-11-28 02:56:43,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-28 02:56:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2219 transitions. [2020-11-28 02:56:43,374 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2219 transitions. Word has length 155 [2020-11-28 02:56:43,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:43,375 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2219 transitions. [2020-11-28 02:56:43,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2219 transitions. [2020-11-28 02:56:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-11-28 02:56:43,381 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:43,381 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:43,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:43,606 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:43,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:43,607 INFO L82 PathProgramCache]: Analyzing trace with hash 790214042, now seen corresponding path program 1 times [2020-11-28 02:56:43,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:43,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124145258] [2020-11-28 02:56:43,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-11-28 02:56:43,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124145258] [2020-11-28 02:56:43,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327676310] [2020-11-28 02:56:43,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:43,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:43,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:43,950 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-28 02:56:43,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:43,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:43,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378888525] [2020-11-28 02:56:43,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:43,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:43,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:43,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:43,953 INFO L87 Difference]: Start difference. First operand 1969 states and 2219 transitions. Second operand 3 states. [2020-11-28 02:56:44,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:44,550 INFO L93 Difference]: Finished difference Result 4065 states and 4600 transitions. [2020-11-28 02:56:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:44,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2020-11-28 02:56:44,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:44,551 INFO L225 Difference]: With dead ends: 4065 [2020-11-28 02:56:44,551 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:56:44,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:44,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:56:44,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:56:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:56:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:56:44,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2020-11-28 02:56:44,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:44,557 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:56:44,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:56:44,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:56:44,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:44,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:56:44,970 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-11-28 02:56:45,096 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-11-28 02:56:45,099 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,100 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 02:56:45,101 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 02:56:45,102 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 02:56:45,103 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 02:56:45,104 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,105 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,106 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 02:56:45,107 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 02:56:45,108 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 02:56:45,109 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 02:56:45,109 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 02:56:45,109 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 02:56:45,109 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 02:56:45,109 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 02:56:45,109 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= 15 ~a8~0)) (.cse4 (<= ~a16~0 5)) (.cse1 (<= ~a20~0 0)) (.cse5 (<= ~a16~0 4)) (.cse3 (= ~a7~0 1)) (.cse2 (= ~a20~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse4) (and (= ~a21~0 1) (= ~a12~0 8) .cse2 (= ~a17~0 1)) (and .cse5 (<= ~a8~0 13)) (and .cse4 .cse1) (and .cse5 .cse2) (and .cse3 .cse2))) [2020-11-28 02:56:45,109 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,109 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,112 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,112 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,112 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,112 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 02:56:45,112 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 02:56:45,112 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 02:56:45,112 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 02:56:45,113 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 02:56:45,113 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 02:56:45,113 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 02:56:45,113 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 02:56:45,113 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 02:56:45,113 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 02:56:45,113 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 02:56:45,113 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 02:56:45,114 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:56:45,114 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 02:56:45,114 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 02:56:45,114 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,114 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,114 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,114 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,115 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,115 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 02:56:45,115 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 02:56:45,115 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 02:56:45,115 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 02:56:45,115 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 02:56:45,115 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 02:56:45,115 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 02:56:45,115 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 02:56:45,116 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 02:56:45,116 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:56:45,116 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,116 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,116 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,116 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,116 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 02:56:45,117 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,117 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 02:56:45,117 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 02:56:45,117 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 02:56:45,117 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 02:56:45,117 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 02:56:45,117 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 02:56:45,117 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 02:56:45,118 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 02:56:45,118 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 02:56:45,118 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 02:56:45,118 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 02:56:45,118 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 02:56:45,118 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 02:56:45,118 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,119 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= 15 ~a8~0)) (.cse4 (<= ~a16~0 5)) (.cse1 (<= ~a20~0 0)) (.cse5 (<= ~a16~0 4)) (.cse3 (= ~a7~0 1)) (.cse2 (= ~a20~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse4) (and (= ~a21~0 1) (= ~a12~0 8) .cse2 (= ~a17~0 1)) (and .cse5 (<= ~a8~0 13)) (and .cse4 .cse1) (and .cse5 .cse2) (and .cse3 .cse2))) [2020-11-28 02:56:45,119 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,119 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,119 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,119 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,119 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 02:56:45,119 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:56:45,119 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 02:56:45,120 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 02:56:45,120 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 02:56:45,120 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 02:56:45,120 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 02:56:45,120 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 02:56:45,120 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 02:56:45,120 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 02:56:45,121 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,121 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,121 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,121 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,121 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:45,121 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 02:56:45,121 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 02:56:45,121 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 02:56:45,122 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 02:56:45,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:45 BoogieIcfgContainer [2020-11-28 02:56:45,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:45,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:45,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:45,161 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:45,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:32" (3/4) ... [2020-11-28 02:56:45,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:56:45,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:56:45,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:56:45,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:45,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:45,374 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e4247f06-ec94-4068-904d-3fbebf092201/bin/uautomizer/witness.graphml [2020-11-28 02:56:45,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:45,375 INFO L168 Benchmark]: Toolchain (without parser) took 14927.92 ms. Allocated memory was 109.1 MB in the beginning and 281.0 MB in the end (delta: 172.0 MB). Free memory was 79.2 MB in the beginning and 145.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 106.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:45,376 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:45,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.91 ms. Allocated memory is still 109.1 MB. Free memory was 78.9 MB in the beginning and 69.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:45,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.98 ms. Allocated memory is still 109.1 MB. Free memory was 69.8 MB in the beginning and 63.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:45,378 INFO L168 Benchmark]: Boogie Preprocessor took 126.08 ms. Allocated memory is still 109.1 MB. Free memory was 63.9 MB in the beginning and 59.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:45,378 INFO L168 Benchmark]: RCFGBuilder took 1587.42 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 59.8 MB in the beginning and 88.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:45,378 INFO L168 Benchmark]: TraceAbstraction took 12182.45 ms. Allocated memory was 159.4 MB in the beginning and 281.0 MB in the end (delta: 121.6 MB). Free memory was 87.4 MB in the beginning and 160.2 MB in the end (delta: -72.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:45,379 INFO L168 Benchmark]: Witness Printer took 213.19 ms. Allocated memory is still 281.0 MB. Free memory was 160.2 MB in the beginning and 145.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:45,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 700.91 ms. Allocated memory is still 109.1 MB. Free memory was 78.9 MB in the beginning and 69.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.98 ms. Allocated memory is still 109.1 MB. Free memory was 69.8 MB in the beginning and 63.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 126.08 ms. Allocated memory is still 109.1 MB. Free memory was 63.9 MB in the beginning and 59.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1587.42 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 59.8 MB in the beginning and 88.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12182.45 ms. Allocated memory was 159.4 MB in the beginning and 281.0 MB in the end (delta: 121.6 MB). Free memory was 87.4 MB in the beginning and 160.2 MB in the end (delta: -72.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. * Witness Printer took 213.19 ms. Allocated memory is still 281.0 MB. Free memory was 160.2 MB in the beginning and 145.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((15 <= a8 && a20 <= 0) || (a20 == 1 && 15 <= a8)) || (a7 == 1 && a16 <= 5)) || (((a21 == 1 && a12 == 8) && a20 == 1) && a17 == 1)) || (a16 <= 4 && a8 <= 13)) || (a16 <= 5 && a20 <= 0)) || (a16 <= 4 && a20 == 1)) || (a7 == 1 && a20 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((15 <= a8 && a20 <= 0) || (a20 == 1 && 15 <= a8)) || (a7 == 1 && a16 <= 5)) || (((a21 == 1 && a12 == 8) && a20 == 1) && a17 == 1)) || (a16 <= 4 && a8 <= 13)) || (a16 <= 5 && a20 <= 0)) || (a16 <= 4 && a20 == 1)) || (a7 == 1 && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.7s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 892 SDtfs, 1001 SDslu, 58 SDs, 0 SdLazy, 3273 SolverSat, 530 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 671 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1703 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1490 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1884 NumberOfCodeBlocks, 1884 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1871 ConstructedInterpolants, 0 QuantifiedInterpolants, 762451 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1397 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 764/776 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...