./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c -s /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03d2eba0c96e405e42abc242d8ae37d66c66f111 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:33:01,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:33:01,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:33:01,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:33:01,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:33:01,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:33:01,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:33:01,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:33:01,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:33:01,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:33:01,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:33:01,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:33:01,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:33:01,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:33:01,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:33:01,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:33:01,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:33:01,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:33:01,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:33:01,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:33:01,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:33:01,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:33:01,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:33:01,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:33:01,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:33:01,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:33:01,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:33:01,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:33:01,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:33:01,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:33:01,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:33:01,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:33:01,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:33:01,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:33:01,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:33:01,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:33:01,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:33:01,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:33:01,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:33:01,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:33:01,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:33:01,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:33:01,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:33:01,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:33:01,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:33:01,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:33:01,922 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:33:01,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:33:01,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:33:01,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:33:01,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:33:01,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:33:01,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:33:01,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:33:01,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:33:01,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:33:01,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:33:01,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:33:01,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:33:01,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:33:01,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:33:01,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:33:01,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:33:01,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:33:01,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:33:01,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:33:01,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:33:01,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:33:01,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:33:01,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:33:01,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_71000964-3d8e-4570-ac69-040c651ddffe/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(__VERIFIER_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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2019-11-15 21:33:01,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:33:01,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:33:01,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:33:01,974 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:33:01,975 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:33:01,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2019-11-15 21:33:02,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/data/e63955847/b221944d10074e8c86e57008dd83f948/FLAGf65a6f481 [2019-11-15 21:33:02,633 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:33:02,634 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2019-11-15 21:33:02,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/data/e63955847/b221944d10074e8c86e57008dd83f948/FLAGf65a6f481 [2019-11-15 21:33:02,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/data/e63955847/b221944d10074e8c86e57008dd83f948 [2019-11-15 21:33:02,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:33:02,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:33:02,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:33:02,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:33:02,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:33:02,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:33:02" (1/1) ... [2019-11-15 21:33:02,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6136fe7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:02, skipping insertion in model container [2019-11-15 21:33:02,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:33:02" (1/1) ... [2019-11-15 21:33:02,892 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:33:02,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:33:03,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:33:03,560 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:33:03,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:33:03,701 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:33:03,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03 WrapperNode [2019-11-15 21:33:03,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:33:03,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:33:03,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:33:03,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:33:03,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... [2019-11-15 21:33:03,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... [2019-11-15 21:33:03,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:33:03,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:33:03,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:33:03,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:33:03,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... [2019-11-15 21:33:03,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... [2019-11-15 21:33:03,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... [2019-11-15 21:33:03,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... [2019-11-15 21:33:03,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... [2019-11-15 21:33:03,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... [2019-11-15 21:33:03,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... [2019-11-15 21:33:03,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:33:03,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:33:03,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:33:03,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:33:03,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/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 [2019-11-15 21:33:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:33:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:33:05,487 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:33:05,487 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 21:33:05,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:33:05 BoogieIcfgContainer [2019-11-15 21:33:05,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:33:05,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:33:05,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:33:05,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:33:05,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:33:02" (1/3) ... [2019-11-15 21:33:05,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b42dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:33:05, skipping insertion in model container [2019-11-15 21:33:05,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:33:03" (2/3) ... [2019-11-15 21:33:05,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b42dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:33:05, skipping insertion in model container [2019-11-15 21:33:05,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:33:05" (3/3) ... [2019-11-15 21:33:05,502 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label22.c [2019-11-15 21:33:05,513 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:33:05,525 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:33:05,538 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:33:05,582 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:33:05,583 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:33:05,583 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:33:05,583 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:33:05,583 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:33:05,583 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:33:05,583 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:33:05,584 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:33:05,614 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-15 21:33:05,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-15 21:33:05,633 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:33:05,634 INFO L380 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] [2019-11-15 21:33:05,636 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:33:05,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:33:05,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1473688725, now seen corresponding path program 1 times [2019-11-15 21:33:05,651 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:33:05,652 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533713001] [2019-11-15 21:33:05,652 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:05,652 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:05,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:33:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:33:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:33:06,121 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533713001] [2019-11-15 21:33:06,122 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:33:06,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:33:06,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105151548] [2019-11-15 21:33:06,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:33:06,129 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:33:06,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:33:06,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:33:06,149 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-15 21:33:07,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:33:07,915 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-15 21:33:07,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:33:07,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2019-11-15 21:33:07,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:33:07,936 INFO L225 Difference]: With dead ends: 739 [2019-11-15 21:33:07,936 INFO L226 Difference]: Without dead ends: 445 [2019-11-15 21:33:07,941 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:33:07,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-15 21:33:08,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-15 21:33:08,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-15 21:33:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-15 21:33:08,050 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 97 [2019-11-15 21:33:08,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:33:08,051 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-15 21:33:08,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:33:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-15 21:33:08,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-15 21:33:08,065 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:33:08,066 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:33:08,066 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:33:08,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:33:08,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1100128886, now seen corresponding path program 1 times [2019-11-15 21:33:08,067 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:33:08,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259064317] [2019-11-15 21:33:08,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:08,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:08,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:33:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:33:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:33:08,203 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259064317] [2019-11-15 21:33:08,203 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:33:08,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:33:08,204 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122885249] [2019-11-15 21:33:08,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:33:08,206 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:33:08,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:33:08,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:33:08,206 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-15 21:33:09,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:33:09,295 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-15 21:33:09,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:33:09,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2019-11-15 21:33:09,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:33:09,303 INFO L225 Difference]: With dead ends: 1470 [2019-11-15 21:33:09,304 INFO L226 Difference]: Without dead ends: 1027 [2019-11-15 21:33:09,307 INFO L600 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 [2019-11-15 21:33:09,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-15 21:33:09,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-15 21:33:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-15 21:33:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-15 21:33:09,365 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 115 [2019-11-15 21:33:09,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:33:09,365 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-15 21:33:09,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:33:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-15 21:33:09,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-15 21:33:09,367 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:33:09,368 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:33:09,368 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:33:09,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:33:09,368 INFO L82 PathProgramCache]: Analyzing trace with hash -863206337, now seen corresponding path program 1 times [2019-11-15 21:33:09,373 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:33:09,374 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973252863] [2019-11-15 21:33:09,374 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:09,374 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:09,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:33:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:33:09,545 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:33:09,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973252863] [2019-11-15 21:33:09,545 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:33:09,546 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:33:09,546 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152257349] [2019-11-15 21:33:09,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:33:09,547 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:33:09,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:33:09,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:33:09,547 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-15 21:33:10,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:33:10,613 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-15 21:33:10,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:33:10,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-11-15 21:33:10,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:33:10,628 INFO L225 Difference]: With dead ends: 2582 [2019-11-15 21:33:10,629 INFO L226 Difference]: Without dead ends: 1855 [2019-11-15 21:33:10,631 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:33:10,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-15 21:33:10,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-15 21:33:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-15 21:33:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-11-15 21:33:10,696 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 119 [2019-11-15 21:33:10,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:33:10,697 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-11-15 21:33:10,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:33:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-11-15 21:33:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-15 21:33:10,704 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:33:10,704 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:33:10,704 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:33:10,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:33:10,705 INFO L82 PathProgramCache]: Analyzing trace with hash -2086608492, now seen corresponding path program 1 times [2019-11-15 21:33:10,706 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:33:10,706 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892481037] [2019-11-15 21:33:10,706 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:10,706 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:10,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:33:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:33:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:33:10,770 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892481037] [2019-11-15 21:33:10,770 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:33:10,770 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:33:10,771 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278166636] [2019-11-15 21:33:10,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:33:10,772 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:33:10,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:33:10,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:33:10,772 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-11-15 21:33:11,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:33:11,417 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-11-15 21:33:11,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:33:11,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-11-15 21:33:11,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:33:11,430 INFO L225 Difference]: With dead ends: 3840 [2019-11-15 21:33:11,430 INFO L226 Difference]: Without dead ends: 2272 [2019-11-15 21:33:11,459 INFO L600 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 [2019-11-15 21:33:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-15 21:33:11,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-15 21:33:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-15 21:33:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-11-15 21:33:11,531 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 119 [2019-11-15 21:33:11,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:33:11,531 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-11-15 21:33:11,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:33:11,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-11-15 21:33:11,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-15 21:33:11,546 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:33:11,546 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:33:11,547 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:33:11,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:33:11,548 INFO L82 PathProgramCache]: Analyzing trace with hash 815056745, now seen corresponding path program 1 times [2019-11-15 21:33:11,548 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:33:11,549 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680571102] [2019-11-15 21:33:11,549 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:11,549 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:11,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:33:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:33:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 21:33:11,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680571102] [2019-11-15 21:33:11,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:33:11,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:33:11,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402007639] [2019-11-15 21:33:11,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:33:11,712 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:33:11,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:33:11,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:33:11,715 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-11-15 21:33:12,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:33:12,296 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-11-15 21:33:12,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:33:12,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-11-15 21:33:12,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:33:12,310 INFO L225 Difference]: With dead ends: 5381 [2019-11-15 21:33:12,310 INFO L226 Difference]: Without dead ends: 2546 [2019-11-15 21:33:12,314 INFO L600 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 [2019-11-15 21:33:12,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-11-15 21:33:12,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-11-15 21:33:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-11-15 21:33:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-11-15 21:33:12,365 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 124 [2019-11-15 21:33:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:33:12,365 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-11-15 21:33:12,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:33:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-11-15 21:33:12,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-15 21:33:12,370 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:33:12,370 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:33:12,370 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:33:12,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:33:12,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1644246799, now seen corresponding path program 1 times [2019-11-15 21:33:12,371 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:33:12,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515043673] [2019-11-15 21:33:12,371 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:12,372 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:12,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:33:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:33:12,464 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 21:33:12,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515043673] [2019-11-15 21:33:12,465 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:33:12,465 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:33:12,465 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14386656] [2019-11-15 21:33:12,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:33:12,466 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:33:12,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:33:12,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:33:12,467 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-11-15 21:33:13,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:33:13,221 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-11-15 21:33:13,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:33:13,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2019-11-15 21:33:13,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:33:13,231 INFO L225 Difference]: With dead ends: 4388 [2019-11-15 21:33:13,231 INFO L226 Difference]: Without dead ends: 1985 [2019-11-15 21:33:13,234 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:33:13,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-11-15 21:33:13,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-11-15 21:33:13,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-11-15 21:33:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-11-15 21:33:13,273 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 135 [2019-11-15 21:33:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:33:13,274 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-11-15 21:33:13,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:33:13,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-11-15 21:33:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-15 21:33:13,278 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:33:13,279 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:33:13,279 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:33:13,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:33:13,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1413147857, now seen corresponding path program 1 times [2019-11-15 21:33:13,280 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:33:13,280 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294700558] [2019-11-15 21:33:13,280 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:13,281 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:13,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:33:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:33:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-15 21:33:13,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294700558] [2019-11-15 21:33:13,389 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:33:13,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:33:13,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578941349] [2019-11-15 21:33:13,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:33:13,391 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:33:13,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:33:13,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:33:13,392 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-11-15 21:33:13,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:33:13,951 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-11-15 21:33:13,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:33:13,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-11-15 21:33:13,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:33:13,961 INFO L225 Difference]: With dead ends: 3411 [2019-11-15 21:33:13,961 INFO L226 Difference]: Without dead ends: 1707 [2019-11-15 21:33:13,963 INFO L600 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 [2019-11-15 21:33:13,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-15 21:33:13,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-11-15 21:33:13,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-15 21:33:13,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-11-15 21:33:13,999 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 148 [2019-11-15 21:33:14,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:33:14,000 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-11-15 21:33:14,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:33:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-11-15 21:33:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-15 21:33:14,007 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:33:14,008 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:33:14,008 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:33:14,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:33:14,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1048373574, now seen corresponding path program 1 times [2019-11-15 21:33:14,009 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:33:14,009 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179343412] [2019-11-15 21:33:14,009 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:14,010 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:33:14,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:33:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:33:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-15 21:33:14,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179343412] [2019-11-15 21:33:14,261 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745771048] [2019-11-15 21:33:14,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/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 [2019-11-15 21:33:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:33:14,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 21:33:14,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:33:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-15 21:33:14,529 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:33:14,529 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-15 21:33:14,530 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322710422] [2019-11-15 21:33:14,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:33:14,531 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:33:14,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:33:14,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:33:14,532 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-11-15 21:33:15,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:33:15,144 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-11-15 21:33:15,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:33:15,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-11-15 21:33:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:33:15,145 INFO L225 Difference]: With dead ends: 3818 [2019-11-15 21:33:15,145 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:33:15,148 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:33:15,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:33:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:33:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:33:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:33:15,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2019-11-15 21:33:15,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:33:15,150 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:33:15,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:33:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:33:15,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:33:15,351 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:33:15,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 21:33:15,766 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-15 21:33:16,015 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-15 21:33:16,018 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,018 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,018 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,018 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-15 21:33:16,018 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-15 21:33:16,018 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-15 21:33:16,018 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-15 21:33:16,018 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-15 21:33:16,018 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-15 21:33:16,019 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,020 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,025 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-15 21:33:16,025 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-15 21:33:16,026 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-15 21:33:16,026 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-15 21:33:16,026 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-15 21:33:16,026 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-15 21:33:16,026 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-15 21:33:16,026 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-15 21:33:16,027 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,027 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,027 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,027 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-15 21:33:16,027 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-15 21:33:16,028 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-15 21:33:16,029 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-15 21:33:16,029 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-15 21:33:16,029 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-15 21:33:16,029 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-15 21:33:16,029 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-15 21:33:16,029 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,030 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,030 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,030 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-15 21:33:16,031 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-15 21:33:16,031 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-15 21:33:16,031 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-15 21:33:16,031 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-15 21:33:16,032 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-15 21:33:16,032 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-15 21:33:16,032 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-15 21:33:16,032 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-15 21:33:16,032 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,032 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,032 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,033 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-15 21:33:16,033 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-15 21:33:16,033 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-15 21:33:16,033 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-15 21:33:16,033 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-15 21:33:16,033 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-15 21:33:16,034 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,034 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,034 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,034 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-15 21:33:16,034 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-15 21:33:16,034 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-15 21:33:16,035 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-15 21:33:16,035 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-15 21:33:16,035 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 21:33:16,035 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-15 21:33:16,035 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-15 21:33:16,035 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-15 21:33:16,036 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,036 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,036 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,036 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-15 21:33:16,036 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-15 21:33:16,036 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-15 21:33:16,037 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-15 21:33:16,037 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-15 21:33:16,037 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,037 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,037 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,037 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-15 21:33:16,038 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-15 21:33:16,038 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-15 21:33:16,038 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-15 21:33:16,038 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-15 21:33:16,038 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-15 21:33:16,038 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-15 21:33:16,039 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-15 21:33:16,039 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-15 21:33:16,039 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-15 21:33:16,039 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 21:33:16,039 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-15 21:33:16,039 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,040 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,040 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-15 21:33:16,040 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-15 21:33:16,040 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-15 21:33:16,040 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-15 21:33:16,040 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-15 21:33:16,040 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-15 21:33:16,041 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-15 21:33:16,041 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-15 21:33:16,041 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-15 21:33:16,043 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-15 21:33:16,043 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,043 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,043 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-15 21:33:16,043 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-15 21:33:16,044 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-15 21:33:16,044 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-15 21:33:16,044 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-15 21:33:16,044 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-15 21:33:16,044 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-15 21:33:16,044 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,045 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,045 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-15 21:33:16,045 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-15 21:33:16,045 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-15 21:33:16,045 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-15 21:33:16,045 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-15 21:33:16,046 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-15 21:33:16,046 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-15 21:33:16,046 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-15 21:33:16,046 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-15 21:33:16,046 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,046 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,047 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-15 21:33:16,047 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-15 21:33:16,047 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-15 21:33:16,047 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-15 21:33:16,047 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-15 21:33:16,047 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-15 21:33:16,048 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-15 21:33:16,048 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,049 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,049 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-15 21:33:16,049 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-15 21:33:16,049 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-15 21:33:16,049 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-15 21:33:16,050 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2019-11-15 21:33:16,050 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-15 21:33:16,050 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,050 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,051 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-15 21:33:16,053 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-15 21:33:16,053 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-15 21:33:16,053 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-15 21:33:16,057 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-15 21:33:16,057 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-15 21:33:16,057 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-15 21:33:16,057 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-15 21:33:16,057 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-15 21:33:16,058 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,058 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,058 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-15 21:33:16,058 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,058 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-15 21:33:16,058 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-15 21:33:16,060 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-15 21:33:16,061 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-15 21:33:16,061 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-15 21:33:16,061 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 21:33:16,061 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-15 21:33:16,061 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,061 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,062 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,062 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-15 21:33:16,062 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-15 21:33:16,062 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-15 21:33:16,062 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-15 21:33:16,062 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-15 21:33:16,063 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,063 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,063 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,063 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-15 21:33:16,063 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-15 21:33:16,063 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-15 21:33:16,064 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-15 21:33:16,064 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-15 21:33:16,064 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-15 21:33:16,064 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,064 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,064 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,065 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-15 21:33:16,065 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-15 21:33:16,065 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-15 21:33:16,065 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-15 21:33:16,065 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-15 21:33:16,065 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-15 21:33:16,066 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 21:33:16,066 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-15 21:33:16,066 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-15 21:33:16,066 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,066 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,066 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,066 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-15 21:33:16,067 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-15 21:33:16,067 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-15 21:33:16,067 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-15 21:33:16,067 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-15 21:33:16,067 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,067 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,068 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:33:16,068 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-15 21:33:16,068 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-15 21:33:16,068 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-15 21:33:16,068 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-15 21:33:16,068 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-15 21:33:16,069 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-15 21:33:16,069 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-15 21:33:16,069 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-15 21:33:16,069 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-15 21:33:16,069 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-15 21:33:16,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:33:16 BoogieIcfgContainer [2019-11-15 21:33:16,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:33:16,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:33:16,115 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:33:16,115 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:33:16,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:33:05" (3/4) ... [2019-11-15 21:33:16,120 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:33:16,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 21:33:16,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 21:33:16,370 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_71000964-3d8e-4570-ac69-040c651ddffe/bin/uautomizer/witness.graphml [2019-11-15 21:33:16,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:33:16,373 INFO L168 Benchmark]: Toolchain (without parser) took 13499.70 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:33:16,374 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:33:16,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:33:16,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:33:16,375 INFO L168 Benchmark]: Boogie Preprocessor took 113.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:33:16,376 INFO L168 Benchmark]: RCFGBuilder took 1579.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:33:16,376 INFO L168 Benchmark]: TraceAbstraction took 10624.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -101.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:33:16,377 INFO L168 Benchmark]: Witness Printer took 255.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-11-15 21:33:16,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 828.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1579.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10624.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -101.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 255.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 10.4s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 1152 SDtfs, 1603 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 289 HoareAnnotationTreeSize, 3 FomulaSimplifications, 606 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 312 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1341 NumberOfCodeBlocks, 1341 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 433376 SizeOfPredicates, 1 NumberOfNonLiveVariables, 406 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...