./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 848d030cccdff5a4ae4d83a1350fa05a55064ab8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:22:06,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:22:06,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:22:06,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:22:06,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:22:06,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:22:06,868 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:22:06,870 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:22:06,871 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:22:06,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:22:06,872 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:22:06,872 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:22:06,873 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:22:06,873 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:22:06,875 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:22:06,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:22:06,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:22:06,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:22:06,879 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:22:06,880 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:22:06,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:22:06,881 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:22:06,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:22:06,883 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:22:06,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:22:06,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:22:06,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:22:06,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:22:06,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:22:06,886 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:22:06,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:22:06,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:22:06,886 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:22:06,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:22:06,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:22:06,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:22:06,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:22:06,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:22:06,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:22:06,895 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:22:06,895 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:22:06,896 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:22:06,896 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:22:06,896 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:22:06,896 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:22:06,896 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:22:06,896 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:22:06,896 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:22:06,896 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:22:06,897 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:22:06,897 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:22:06,897 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:22:06,897 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:22:06,897 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:22:06,898 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:22:06,898 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:22:06,898 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:22:06,898 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:22:06,898 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:22:06,898 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:22:06,898 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:22:06,898 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:22:06,899 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:22:06,899 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:22:06,899 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:22:06,899 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:22:06,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:22:06,899 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:22:06,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:22:06,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:22:06,900 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:22:06,900 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:22:06,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:22:06,900 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:22:06,900 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan 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 -> Taipan 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 -> 848d030cccdff5a4ae4d83a1350fa05a55064ab8 [2018-11-22 23:22:06,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:22:06,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:22:06,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:22:06,936 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:22:06,936 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:22:06,936 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c [2018-11-22 23:22:06,972 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/data/bcaaed5d2/c54a3586c3314702aa199d4a50c20b7b/FLAGc83842e90 [2018-11-22 23:22:07,451 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:22:07,451 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c [2018-11-22 23:22:07,462 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/data/bcaaed5d2/c54a3586c3314702aa199d4a50c20b7b/FLAGc83842e90 [2018-11-22 23:22:07,953 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/data/bcaaed5d2/c54a3586c3314702aa199d4a50c20b7b [2018-11-22 23:22:07,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:22:07,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:22:07,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:22:07,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:22:07,961 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:22:07,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:07" (1/1) ... [2018-11-22 23:22:07,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108971e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:07, skipping insertion in model container [2018-11-22 23:22:07,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:07" (1/1) ... [2018-11-22 23:22:07,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:22:08,015 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:22:08,328 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:22:08,331 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:22:08,507 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:22:08,520 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:22:08,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08 WrapperNode [2018-11-22 23:22:08,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:22:08,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:22:08,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:22:08,521 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:22:08,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... [2018-11-22 23:22:08,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... [2018-11-22 23:22:08,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:22:08,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:22:08,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:22:08,551 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:22:08,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... [2018-11-22 23:22:08,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... [2018-11-22 23:22:08,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... [2018-11-22 23:22:08,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... [2018-11-22 23:22:08,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... [2018-11-22 23:22:08,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... [2018-11-22 23:22:08,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... [2018-11-22 23:22:08,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:22:08,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:22:08,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:22:08,611 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:22:08,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/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 [2018-11-22 23:22:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:22:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:22:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:22:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 23:22:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 23:22:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:22:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:22:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:22:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:22:09,861 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:22:09,861 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 23:22:09,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:09 BoogieIcfgContainer [2018-11-22 23:22:09,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:22:09,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:22:09,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:22:09,864 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:22:09,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:22:07" (1/3) ... [2018-11-22 23:22:09,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741f914f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:22:09, skipping insertion in model container [2018-11-22 23:22:09,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:08" (2/3) ... [2018-11-22 23:22:09,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741f914f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:22:09, skipping insertion in model container [2018-11-22 23:22:09,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:09" (3/3) ... [2018-11-22 23:22:09,867 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label26_true-unreach-call.c [2018-11-22 23:22:09,873 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:22:09,879 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:22:09,889 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:22:09,913 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:22:09,914 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:22:09,914 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:22:09,914 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:22:09,914 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:22:09,914 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:22:09,914 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:22:09,914 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:22:09,934 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-11-22 23:22:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 23:22:09,939 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:22:09,940 INFO L402 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] [2018-11-22 23:22:09,942 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:22:09,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:09,945 INFO L82 PathProgramCache]: Analyzing trace with hash -2020342670, now seen corresponding path program 1 times [2018-11-22 23:22:09,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:22:09,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:09,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:22:09,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:09,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:22:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:22:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:22:10,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:22:10,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:22:10,156 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:22:10,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:22:10,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:22:10,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:22:10,169 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2018-11-22 23:22:10,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:22:10,955 INFO L93 Difference]: Finished difference Result 779 states and 1369 transitions. [2018-11-22 23:22:10,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:22:10,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-11-22 23:22:10,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:22:10,966 INFO L225 Difference]: With dead ends: 779 [2018-11-22 23:22:10,966 INFO L226 Difference]: Without dead ends: 485 [2018-11-22 23:22:10,971 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:22:10,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-11-22 23:22:11,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 480. [2018-11-22 23:22:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2018-11-22 23:22:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 841 transitions. [2018-11-22 23:22:11,015 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 841 transitions. Word has length 45 [2018-11-22 23:22:11,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:22:11,016 INFO L480 AbstractCegarLoop]: Abstraction has 480 states and 841 transitions. [2018-11-22 23:22:11,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:22:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 841 transitions. [2018-11-22 23:22:11,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-22 23:22:11,021 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:22:11,021 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:22:11,021 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:22:11,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:11,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1793518198, now seen corresponding path program 1 times [2018-11-22 23:22:11,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:22:11,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:11,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:22:11,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:11,023 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:22:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:22:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:22:11,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:22:11,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:22:11,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:22:11,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:22:11,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:22:11,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:22:11,249 INFO L87 Difference]: Start difference. First operand 480 states and 841 transitions. Second operand 7 states. [2018-11-22 23:22:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:22:13,174 INFO L93 Difference]: Finished difference Result 1751 states and 3230 transitions. [2018-11-22 23:22:13,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 23:22:13,174 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2018-11-22 23:22:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:22:13,182 INFO L225 Difference]: With dead ends: 1751 [2018-11-22 23:22:13,182 INFO L226 Difference]: Without dead ends: 1277 [2018-11-22 23:22:13,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-22 23:22:13,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2018-11-22 23:22:13,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1034. [2018-11-22 23:22:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-11-22 23:22:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1682 transitions. [2018-11-22 23:22:13,227 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1682 transitions. Word has length 119 [2018-11-22 23:22:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:22:13,227 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1682 transitions. [2018-11-22 23:22:13,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:22:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1682 transitions. [2018-11-22 23:22:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-22 23:22:13,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:22:13,232 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:22:13,232 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:22:13,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:13,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1331742614, now seen corresponding path program 1 times [2018-11-22 23:22:13,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:22:13,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:13,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:22:13,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:13,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:22:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:22:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 76 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:22:13,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:22:13,384 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:22:13,384 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-11-22 23:22:13,386 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:22:13,417 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:22:13,417 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:22:13,769 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:22:13,770 INFO L272 AbstractInterpreter]: Visited 79 different actions 79 times. Never merged. Never widened. Performed 839 root evaluator evaluations with a maximum evaluation depth of 14. Performed 839 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-11-22 23:22:13,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:13,786 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:22:14,152 INFO L227 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 73.5% of their original sizes. [2018-11-22 23:22:14,152 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:22:14,218 INFO L415 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2018-11-22 23:22:14,218 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:22:14,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:22:14,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-22 23:22:14,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:22:14,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:22:14,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:22:14,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:22:14,220 INFO L87 Difference]: Start difference. First operand 1034 states and 1682 transitions. Second operand 6 states. [2018-11-22 23:22:24,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:22:24,703 INFO L93 Difference]: Finished difference Result 2252 states and 3566 transitions. [2018-11-22 23:22:24,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:22:24,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 191 [2018-11-22 23:22:24,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:22:24,706 INFO L225 Difference]: With dead ends: 2252 [2018-11-22 23:22:24,706 INFO L226 Difference]: Without dead ends: 1224 [2018-11-22 23:22:24,708 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:22:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2018-11-22 23:22:24,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1223. [2018-11-22 23:22:24,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2018-11-22 23:22:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1879 transitions. [2018-11-22 23:22:24,725 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1879 transitions. Word has length 191 [2018-11-22 23:22:24,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:22:24,725 INFO L480 AbstractCegarLoop]: Abstraction has 1223 states and 1879 transitions. [2018-11-22 23:22:24,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:22:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1879 transitions. [2018-11-22 23:22:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-22 23:22:24,729 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:22:24,729 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:22:24,729 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:22:24,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:24,730 INFO L82 PathProgramCache]: Analyzing trace with hash -373682948, now seen corresponding path program 1 times [2018-11-22 23:22:24,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:22:24,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:24,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:22:24,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:24,731 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:22:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:22:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 80 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:22:24,974 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:22:24,974 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:22:24,975 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 236 with the following transitions: [2018-11-22 23:22:24,975 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:22:24,978 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:22:24,978 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:22:25,579 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:22:25,580 INFO L272 AbstractInterpreter]: Visited 125 different actions 370 times. Merged at 6 different actions 17 times. Never widened. Performed 4925 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4925 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-22 23:22:25,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:25,586 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:22:25,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:22:25,587 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:22:25,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:22:25,597 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:22:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:22:25,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:22:26,459 WARN L180 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1344 DAG size of output: 51 [2018-11-22 23:22:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:22:26,563 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:22:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-22 23:22:26,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:22:26,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 9] total 18 [2018-11-22 23:22:26,949 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:22:26,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:22:26,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:22:26,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-11-22 23:22:26,950 INFO L87 Difference]: Start difference. First operand 1223 states and 1879 transitions. Second operand 3 states. [2018-11-22 23:22:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:22:27,818 INFO L93 Difference]: Finished difference Result 2942 states and 4846 transitions. [2018-11-22 23:22:27,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:22:27,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2018-11-22 23:22:27,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:22:27,825 INFO L225 Difference]: With dead ends: 2942 [2018-11-22 23:22:27,825 INFO L226 Difference]: Without dead ends: 1914 [2018-11-22 23:22:27,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-11-22 23:22:27,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2018-11-22 23:22:27,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1739. [2018-11-22 23:22:27,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1739 states. [2018-11-22 23:22:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2605 transitions. [2018-11-22 23:22:27,855 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2605 transitions. Word has length 235 [2018-11-22 23:22:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:22:27,856 INFO L480 AbstractCegarLoop]: Abstraction has 1739 states and 2605 transitions. [2018-11-22 23:22:27,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:22:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2605 transitions. [2018-11-22 23:22:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-22 23:22:27,858 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:22:27,859 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:22:27,859 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:22:27,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:27,859 INFO L82 PathProgramCache]: Analyzing trace with hash -964875181, now seen corresponding path program 1 times [2018-11-22 23:22:27,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:22:27,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:27,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:22:27,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:27,860 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:22:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:22:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:22:27,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:22:27,976 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:22:27,976 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-22 23:22:27,976 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:22:27,980 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:22:27,980 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:22:28,189 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:22:28,189 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 4 different actions 4 times. Never widened. Performed 3097 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-22 23:22:28,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:28,203 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:22:28,443 INFO L227 lantSequenceWeakener]: Weakened 243 states. On average, predicates are now at 75.34% of their original sizes. [2018-11-22 23:22:28,443 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:22:28,502 INFO L415 sIntCurrentIteration]: We unified 245 AI predicates to 245 [2018-11-22 23:22:28,502 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:22:28,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:22:28,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-22 23:22:28,503 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:22:28,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:22:28,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:22:28,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:22:28,504 INFO L87 Difference]: Start difference. First operand 1739 states and 2605 transitions. Second operand 10 states. [2018-11-22 23:23:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:23:31,404 INFO L93 Difference]: Finished difference Result 3856 states and 5918 transitions. [2018-11-22 23:23:31,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 23:23:31,404 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 246 [2018-11-22 23:23:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:23:31,409 INFO L225 Difference]: With dead ends: 3856 [2018-11-22 23:23:31,409 INFO L226 Difference]: Without dead ends: 2312 [2018-11-22 23:23:31,412 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 254 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:23:31,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2018-11-22 23:23:31,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2309. [2018-11-22 23:23:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2018-11-22 23:23:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3251 transitions. [2018-11-22 23:23:31,441 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3251 transitions. Word has length 246 [2018-11-22 23:23:31,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:23:31,442 INFO L480 AbstractCegarLoop]: Abstraction has 2309 states and 3251 transitions. [2018-11-22 23:23:31,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:23:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3251 transitions. [2018-11-22 23:23:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-22 23:23:31,447 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:23:31,447 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:23:31,447 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:23:31,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:31,448 INFO L82 PathProgramCache]: Analyzing trace with hash -821495779, now seen corresponding path program 1 times [2018-11-22 23:23:31,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:23:31,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:31,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:23:31,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:31,449 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:23:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 77 proven. 5 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-22 23:23:31,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:23:31,578 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:23:31,578 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 276 with the following transitions: [2018-11-22 23:23:31,578 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:23:31,581 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:23:31,582 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:23:31,772 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:23:31,773 INFO L272 AbstractInterpreter]: Visited 140 different actions 413 times. Merged at 6 different actions 15 times. Never widened. Performed 5773 root evaluator evaluations with a maximum evaluation depth of 13. Performed 5773 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-22 23:23:31,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:31,774 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:23:31,774 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:23:31,774 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:23:31,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:23:31,790 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:23:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:31,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:23:32,419 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_~a29~0_519 Int)) (let ((.cse0 (mod v_~a29~0_519 15))) (and (<= |c_old(~a29~0)| v_~a29~0_519) (<= c_~a29~0 (+ .cse0 260)) (= .cse0 0)))) (exists ((v_prenex_81 Int)) (and (<= 0 v_prenex_81) (<= |c_old(~a29~0)| v_prenex_81) (<= c_~a29~0 (+ (mod v_prenex_81 15) 260)))) (exists ((v_prenex_82 Int)) (let ((.cse1 (mod v_prenex_82 15))) (and (<= c_~a29~0 (+ .cse1 245)) (<= |c_old(~a29~0)| v_prenex_82) (< v_prenex_82 0) (not (= .cse1 0)))))) is different from true [2018-11-22 23:23:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 77 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-11-22 23:23:32,493 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:23:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 173 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:32,623 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:23:32,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 12 [2018-11-22 23:23:32,623 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:23:32,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:23:32,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:23:32,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=83, Unknown=1, NotChecked=18, Total=132 [2018-11-22 23:23:32,624 INFO L87 Difference]: Start difference. First operand 2309 states and 3251 transitions. Second operand 10 states. [2018-11-22 23:23:34,825 WARN L180 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-11-22 23:23:38,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:23:38,635 INFO L93 Difference]: Finished difference Result 7314 states and 11514 transitions. [2018-11-22 23:23:38,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-22 23:23:38,636 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 275 [2018-11-22 23:23:38,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:23:38,660 INFO L225 Difference]: With dead ends: 7314 [2018-11-22 23:23:38,661 INFO L226 Difference]: Without dead ends: 5394 [2018-11-22 23:23:38,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 544 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=169, Invalid=480, Unknown=5, NotChecked=48, Total=702 [2018-11-22 23:23:38,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5394 states. [2018-11-22 23:23:38,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5394 to 5339. [2018-11-22 23:23:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5339 states. [2018-11-22 23:23:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 7895 transitions. [2018-11-22 23:23:38,804 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 7895 transitions. Word has length 275 [2018-11-22 23:23:38,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:23:38,804 INFO L480 AbstractCegarLoop]: Abstraction has 5339 states and 7895 transitions. [2018-11-22 23:23:38,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:23:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 7895 transitions. [2018-11-22 23:23:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-22 23:23:38,814 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:23:38,815 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:23:38,815 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:23:38,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:38,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1639629672, now seen corresponding path program 1 times [2018-11-22 23:23:38,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:23:38,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:38,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:23:38,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:38,816 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:23:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 173 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:39,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:23:39,001 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:23:39,001 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-11-22 23:23:39,002 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:23:39,004 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:23:39,004 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:23:39,149 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:23:39,149 INFO L272 AbstractInterpreter]: Visited 155 different actions 304 times. Merged at 4 different actions 4 times. Never widened. Performed 4022 root evaluator evaluations with a maximum evaluation depth of 8. Performed 4022 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-22 23:23:39,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:39,150 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:23:39,315 INFO L227 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 75.29% of their original sizes. [2018-11-22 23:23:39,315 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:23:39,350 INFO L415 sIntCurrentIteration]: We unified 290 AI predicates to 290 [2018-11-22 23:23:39,350 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:23:39,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:23:39,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-22 23:23:39,351 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:23:39,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:23:39,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:23:39,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:23:39,351 INFO L87 Difference]: Start difference. First operand 5339 states and 7895 transitions. Second operand 10 states. [2018-11-22 23:25:10,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:25:10,365 INFO L93 Difference]: Finished difference Result 11271 states and 17370 transitions. [2018-11-22 23:25:10,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 23:25:10,365 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 291 [2018-11-22 23:25:10,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:25:10,386 INFO L225 Difference]: With dead ends: 11271 [2018-11-22 23:25:10,386 INFO L226 Difference]: Without dead ends: 7264 [2018-11-22 23:25:10,399 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 299 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:25:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7264 states. [2018-11-22 23:25:10,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7264 to 7253. [2018-11-22 23:25:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7253 states. [2018-11-22 23:25:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7253 states to 7253 states and 10179 transitions. [2018-11-22 23:25:10,526 INFO L78 Accepts]: Start accepts. Automaton has 7253 states and 10179 transitions. Word has length 291 [2018-11-22 23:25:10,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:25:10,527 INFO L480 AbstractCegarLoop]: Abstraction has 7253 states and 10179 transitions. [2018-11-22 23:25:10,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:25:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 7253 states and 10179 transitions. [2018-11-22 23:25:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-22 23:25:10,538 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:25:10,538 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:25:10,538 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:25:10,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:10,539 INFO L82 PathProgramCache]: Analyzing trace with hash -678672080, now seen corresponding path program 1 times [2018-11-22 23:25:10,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:25:10,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:10,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:10,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:10,540 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:25:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 273 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:25:10,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:25:10,732 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:25:10,732 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 320 with the following transitions: [2018-11-22 23:25:10,732 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:25:10,734 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:25:10,735 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:25:11,128 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:25:11,129 INFO L272 AbstractInterpreter]: Visited 126 different actions 371 times. Merged at 6 different actions 15 times. Never widened. Performed 4943 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4943 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-22 23:25:11,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:11,130 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:25:11,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:25:11,130 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:25:11,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:11,137 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:25:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:11,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:25:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-11-22 23:25:11,226 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:25:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-11-22 23:25:11,286 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:25:11,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-22 23:25:11,286 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:25:11,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:25:11,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:25:11,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:25:11,287 INFO L87 Difference]: Start difference. First operand 7253 states and 10179 transitions. Second operand 3 states. [2018-11-22 23:25:11,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:25:11,859 INFO L93 Difference]: Finished difference Result 14228 states and 20852 transitions. [2018-11-22 23:25:11,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:25:11,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 319 [2018-11-22 23:25:11,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:25:11,879 INFO L225 Difference]: With dead ends: 14228 [2018-11-22 23:25:11,879 INFO L226 Difference]: Without dead ends: 8494 [2018-11-22 23:25:11,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 637 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:25:11,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8494 states. [2018-11-22 23:25:11,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8494 to 8302. [2018-11-22 23:25:11,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8302 states. [2018-11-22 23:25:11,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8302 states to 8302 states and 11347 transitions. [2018-11-22 23:25:11,985 INFO L78 Accepts]: Start accepts. Automaton has 8302 states and 11347 transitions. Word has length 319 [2018-11-22 23:25:11,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:25:11,986 INFO L480 AbstractCegarLoop]: Abstraction has 8302 states and 11347 transitions. [2018-11-22 23:25:11,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:25:11,986 INFO L276 IsEmpty]: Start isEmpty. Operand 8302 states and 11347 transitions. [2018-11-22 23:25:11,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-11-22 23:25:11,994 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:25:11,994 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:25:11,994 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:25:11,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:11,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1188433247, now seen corresponding path program 1 times [2018-11-22 23:25:11,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:25:11,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:11,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:11,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:11,995 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:25:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:25:12,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:25:12,131 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:25:12,131 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 325 with the following transitions: [2018-11-22 23:25:12,131 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:25:12,133 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:25:12,134 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:25:12,469 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:25:12,469 INFO L272 AbstractInterpreter]: Visited 126 different actions 371 times. Merged at 6 different actions 15 times. Never widened. Performed 5000 root evaluator evaluations with a maximum evaluation depth of 18. Performed 5000 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-22 23:25:12,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:12,478 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:25:12,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:25:12,479 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:25:12,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:12,492 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:25:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:12,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:25:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:25:12,599 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:25:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:25:12,690 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:25:12,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-22 23:25:12,691 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:25:12,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:25:12,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:25:12,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:25:12,691 INFO L87 Difference]: Start difference. First operand 8302 states and 11347 transitions. Second operand 6 states. [2018-11-22 23:25:13,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:25:13,584 INFO L93 Difference]: Finished difference Result 15376 states and 23132 transitions. [2018-11-22 23:25:13,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:25:13,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 324 [2018-11-22 23:25:13,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:25:13,611 INFO L225 Difference]: With dead ends: 15376 [2018-11-22 23:25:13,612 INFO L226 Difference]: Without dead ends: 10510 [2018-11-22 23:25:13,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 649 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:25:13,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10510 states. [2018-11-22 23:25:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10510 to 10442. [2018-11-22 23:25:13,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10442 states. [2018-11-22 23:25:13,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10442 states to 10442 states and 13874 transitions. [2018-11-22 23:25:13,756 INFO L78 Accepts]: Start accepts. Automaton has 10442 states and 13874 transitions. Word has length 324 [2018-11-22 23:25:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:25:13,756 INFO L480 AbstractCegarLoop]: Abstraction has 10442 states and 13874 transitions. [2018-11-22 23:25:13,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:25:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 10442 states and 13874 transitions. [2018-11-22 23:25:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-11-22 23:25:13,768 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:25:13,768 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:25:13,768 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:25:13,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:13,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1196500879, now seen corresponding path program 1 times [2018-11-22 23:25:13,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:25:13,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:13,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:13,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:13,769 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:25:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2018-11-22 23:25:13,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:25:13,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:25:13,906 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:25:13,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:25:13,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:25:13,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:25:13,907 INFO L87 Difference]: Start difference. First operand 10442 states and 13874 transitions. Second operand 4 states. [2018-11-22 23:25:14,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:25:14,388 INFO L93 Difference]: Finished difference Result 17444 states and 23765 transitions. [2018-11-22 23:25:14,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:25:14,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 361 [2018-11-22 23:25:14,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:25:14,422 INFO L225 Difference]: With dead ends: 17444 [2018-11-22 23:25:14,423 INFO L226 Difference]: Without dead ends: 10437 [2018-11-22 23:25:14,441 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:25:14,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10437 states. [2018-11-22 23:25:14,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10437 to 10437. [2018-11-22 23:25:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10437 states. [2018-11-22 23:25:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10437 states to 10437 states and 13860 transitions. [2018-11-22 23:25:14,599 INFO L78 Accepts]: Start accepts. Automaton has 10437 states and 13860 transitions. Word has length 361 [2018-11-22 23:25:14,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:25:14,600 INFO L480 AbstractCegarLoop]: Abstraction has 10437 states and 13860 transitions. [2018-11-22 23:25:14,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:25:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 10437 states and 13860 transitions. [2018-11-22 23:25:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-11-22 23:25:14,623 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:25:14,624 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:25:14,624 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:25:14,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:14,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1861872962, now seen corresponding path program 1 times [2018-11-22 23:25:14,624 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:25:14,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:14,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:14,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:14,625 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:25:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 317 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-22 23:25:14,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:25:14,888 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:25:14,888 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 385 with the following transitions: [2018-11-22 23:25:14,888 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [815], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:25:14,893 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:25:14,893 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:25:15,343 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:25:15,343 INFO L272 AbstractInterpreter]: Visited 146 different actions 578 times. Merged at 6 different actions 24 times. Widened at 1 different actions 1 times. Performed 8057 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8057 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 4 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-22 23:25:15,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:15,347 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:25:15,612 INFO L227 lantSequenceWeakener]: Weakened 381 states. On average, predicates are now at 80.3% of their original sizes. [2018-11-22 23:25:15,613 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:25:15,662 INFO L415 sIntCurrentIteration]: We unified 383 AI predicates to 383 [2018-11-22 23:25:15,662 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:25:15,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:25:15,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-22 23:25:15,663 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:25:15,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:25:15,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:25:15,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:25:15,664 INFO L87 Difference]: Start difference. First operand 10437 states and 13860 transitions. Second operand 9 states. [2018-11-22 23:25:44,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:25:44,903 INFO L93 Difference]: Finished difference Result 24852 states and 34507 transitions. [2018-11-22 23:25:44,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 23:25:44,903 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 384 [2018-11-22 23:25:44,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:25:44,941 INFO L225 Difference]: With dead ends: 24852 [2018-11-22 23:25:44,942 INFO L226 Difference]: Without dead ends: 15934 [2018-11-22 23:25:44,969 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 390 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-22 23:25:44,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15934 states. [2018-11-22 23:25:45,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15934 to 15849. [2018-11-22 23:25:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15849 states. [2018-11-22 23:25:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15849 states to 15849 states and 21011 transitions. [2018-11-22 23:25:45,213 INFO L78 Accepts]: Start accepts. Automaton has 15849 states and 21011 transitions. Word has length 384 [2018-11-22 23:25:45,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:25:45,213 INFO L480 AbstractCegarLoop]: Abstraction has 15849 states and 21011 transitions. [2018-11-22 23:25:45,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:25:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 15849 states and 21011 transitions. [2018-11-22 23:25:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-11-22 23:25:45,245 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:25:45,245 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:25:45,245 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:25:45,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:45,245 INFO L82 PathProgramCache]: Analyzing trace with hash -163389013, now seen corresponding path program 1 times [2018-11-22 23:25:45,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:25:45,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:45,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:45,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:45,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:25:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2018-11-22 23:25:45,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:25:45,545 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:25:45,545 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 414 with the following transitions: [2018-11-22 23:25:45,545 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:25:45,547 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:25:45,548 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:25:45,835 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:25:45,835 INFO L272 AbstractInterpreter]: Visited 150 different actions 450 times. Merged at 7 different actions 22 times. Never widened. Performed 6320 root evaluator evaluations with a maximum evaluation depth of 13. Performed 6320 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 5 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-22 23:25:45,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:45,837 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:25:45,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:25:45,837 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:25:45,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:45,843 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:25:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:45,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:25:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 313 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-22 23:25:46,066 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:25:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 313 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-22 23:25:46,308 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:25:46,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-22 23:25:46,308 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:25:46,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-22 23:25:46,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-22 23:25:46,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:25:46,309 INFO L87 Difference]: Start difference. First operand 15849 states and 21011 transitions. Second operand 12 states. [2018-11-22 23:25:54,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:25:54,856 INFO L93 Difference]: Finished difference Result 58479 states and 87727 transitions. [2018-11-22 23:25:54,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-11-22 23:25:54,856 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 413 [2018-11-22 23:25:54,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:25:54,998 INFO L225 Difference]: With dead ends: 58479 [2018-11-22 23:25:54,998 INFO L226 Difference]: Without dead ends: 42360 [2018-11-22 23:25:55,080 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 951 GetRequests, 879 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1666 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=892, Invalid=4220, Unknown=0, NotChecked=0, Total=5112 [2018-11-22 23:25:55,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42360 states. [2018-11-22 23:25:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42360 to 39661. [2018-11-22 23:25:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39661 states. [2018-11-22 23:25:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39661 states to 39661 states and 49722 transitions. [2018-11-22 23:25:55,617 INFO L78 Accepts]: Start accepts. Automaton has 39661 states and 49722 transitions. Word has length 413 [2018-11-22 23:25:55,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:25:55,617 INFO L480 AbstractCegarLoop]: Abstraction has 39661 states and 49722 transitions. [2018-11-22 23:25:55,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-22 23:25:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 39661 states and 49722 transitions. [2018-11-22 23:25:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-11-22 23:25:55,662 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:25:55,662 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:25:55,662 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:25:55,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:55,663 INFO L82 PathProgramCache]: Analyzing trace with hash 818615912, now seen corresponding path program 1 times [2018-11-22 23:25:55,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:25:55,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:55,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:55,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:25:55,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:25:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-11-22 23:25:56,153 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:25:56,153 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:25:56,154 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 462 with the following transitions: [2018-11-22 23:25:56,154 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [908], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [986], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:25:56,156 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:25:56,156 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:25:56,495 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:25:56,495 INFO L272 AbstractInterpreter]: Visited 181 different actions 893 times. Merged at 7 different actions 30 times. Never widened. Performed 13164 root evaluator evaluations with a maximum evaluation depth of 10. Performed 13164 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 8 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-22 23:25:56,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:56,498 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:25:56,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:25:56,498 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:25:56,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:25:56,504 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:25:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:56,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:25:56,714 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 295 proven. 2 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-22 23:25:56,715 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:25:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 295 proven. 2 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-22 23:25:56,954 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:25:56,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-22 23:25:56,954 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:25:56,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-22 23:25:56,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-22 23:25:56,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:25:56,955 INFO L87 Difference]: Start difference. First operand 39661 states and 49722 transitions. Second operand 12 states. [2018-11-22 23:26:05,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:05,245 INFO L93 Difference]: Finished difference Result 106901 states and 146987 transitions. [2018-11-22 23:26:05,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-11-22 23:26:05,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 461 [2018-11-22 23:26:05,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:05,445 INFO L225 Difference]: With dead ends: 106901 [2018-11-22 23:26:05,445 INFO L226 Difference]: Without dead ends: 65223 [2018-11-22 23:26:05,564 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1055 GetRequests, 978 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1870 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=865, Invalid=4685, Unknown=0, NotChecked=0, Total=5550 [2018-11-22 23:26:05,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65223 states. [2018-11-22 23:26:07,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65223 to 61191. [2018-11-22 23:26:07,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61191 states. [2018-11-22 23:26:07,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61191 states to 61191 states and 75889 transitions. [2018-11-22 23:26:07,309 INFO L78 Accepts]: Start accepts. Automaton has 61191 states and 75889 transitions. Word has length 461 [2018-11-22 23:26:07,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:07,310 INFO L480 AbstractCegarLoop]: Abstraction has 61191 states and 75889 transitions. [2018-11-22 23:26:07,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-22 23:26:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 61191 states and 75889 transitions. [2018-11-22 23:26:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2018-11-22 23:26:07,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:07,410 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:26:07,410 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:07,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:07,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1460378313, now seen corresponding path program 1 times [2018-11-22 23:26:07,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:07,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:07,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:07,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:07,412 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 519 proven. 2 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-11-22 23:26:07,829 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:26:07,829 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:26:07,829 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 586 with the following transitions: [2018-11-22 23:26:07,829 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1013], [1016], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:26:07,831 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:26:07,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:26:08,522 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:26:08,522 INFO L272 AbstractInterpreter]: Visited 188 different actions 748 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 10778 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10778 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 4 different actions. Largest state had 28 variables. [2018-11-22 23:26:08,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:08,526 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:26:08,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:26:08,527 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:26:08,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:08,533 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:26:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:08,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:26:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 519 proven. 2 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-11-22 23:26:08,745 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:26:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 519 proven. 2 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-11-22 23:26:08,943 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:26:08,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-22 23:26:08,943 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:26:08,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:26:08,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:26:08,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:26:08,944 INFO L87 Difference]: Start difference. First operand 61191 states and 75889 transitions. Second operand 9 states. [2018-11-22 23:26:11,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:11,008 INFO L93 Difference]: Finished difference Result 120970 states and 152804 transitions. [2018-11-22 23:26:11,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 23:26:11,009 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 585 [2018-11-22 23:26:11,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:11,126 INFO L225 Difference]: With dead ends: 120970 [2018-11-22 23:26:11,126 INFO L226 Difference]: Without dead ends: 61115 [2018-11-22 23:26:11,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1187 GetRequests, 1171 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-22 23:26:11,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61115 states. [2018-11-22 23:26:11,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61115 to 60599. [2018-11-22 23:26:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60599 states. [2018-11-22 23:26:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60599 states to 60599 states and 74407 transitions. [2018-11-22 23:26:11,853 INFO L78 Accepts]: Start accepts. Automaton has 60599 states and 74407 transitions. Word has length 585 [2018-11-22 23:26:11,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:11,854 INFO L480 AbstractCegarLoop]: Abstraction has 60599 states and 74407 transitions. [2018-11-22 23:26:11,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:26:11,854 INFO L276 IsEmpty]: Start isEmpty. Operand 60599 states and 74407 transitions. [2018-11-22 23:26:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2018-11-22 23:26:11,963 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:11,964 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:26:11,964 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:11,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:11,964 INFO L82 PathProgramCache]: Analyzing trace with hash 129154542, now seen corresponding path program 1 times [2018-11-22 23:26:11,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:11,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:11,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:11,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:11,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 1007 trivial. 0 not checked. [2018-11-22 23:26:12,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:26:12,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:26:12,207 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:26:12,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:26:12,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:26:12,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:26:12,208 INFO L87 Difference]: Start difference. First operand 60599 states and 74407 transitions. Second operand 3 states. [2018-11-22 23:26:13,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:13,318 INFO L93 Difference]: Finished difference Result 117365 states and 148325 transitions. [2018-11-22 23:26:13,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:26:13,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 692 [2018-11-22 23:26:13,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:13,456 INFO L225 Difference]: With dead ends: 117365 [2018-11-22 23:26:13,456 INFO L226 Difference]: Without dead ends: 71558 [2018-11-22 23:26:13,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:26:13,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71558 states. [2018-11-22 23:26:14,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71558 to 70179. [2018-11-22 23:26:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70179 states. [2018-11-22 23:26:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70179 states to 70179 states and 84768 transitions. [2018-11-22 23:26:14,304 INFO L78 Accepts]: Start accepts. Automaton has 70179 states and 84768 transitions. Word has length 692 [2018-11-22 23:26:14,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:14,304 INFO L480 AbstractCegarLoop]: Abstraction has 70179 states and 84768 transitions. [2018-11-22 23:26:14,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:26:14,304 INFO L276 IsEmpty]: Start isEmpty. Operand 70179 states and 84768 transitions. [2018-11-22 23:26:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2018-11-22 23:26:14,451 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:26:14,452 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:26:14,452 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:26:14,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:14,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1645115303, now seen corresponding path program 1 times [2018-11-22 23:26:14,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:26:14,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:14,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:14,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:26:14,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:26:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 543 proven. 195 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2018-11-22 23:26:14,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:26:14,742 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:26:14,743 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 760 with the following transitions: [2018-11-22 23:26:14,743 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [881], [886], [888], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-22 23:26:14,745 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:26:14,745 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:26:15,934 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:26:15,934 INFO L272 AbstractInterpreter]: Visited 191 different actions 755 times. Merged at 10 different actions 31 times. Widened at 1 different actions 1 times. Performed 10974 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10974 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 4 different actions. Largest state had 28 variables. [2018-11-22 23:26:15,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:26:15,939 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:26:15,939 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:26:15,939 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:26:15,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:26:15,947 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:26:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:26:16,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:26:16,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 1024 proven. 4 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2018-11-22 23:26:16,530 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:26:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 1024 proven. 4 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2018-11-22 23:26:18,156 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:26:18,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 13 [2018-11-22 23:26:18,156 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:26:18,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:26:18,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:26:18,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:26:18,158 INFO L87 Difference]: Start difference. First operand 70179 states and 84768 transitions. Second operand 9 states. [2018-11-22 23:26:33,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:26:33,378 INFO L93 Difference]: Finished difference Result 133999 states and 162275 transitions. [2018-11-22 23:26:33,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-22 23:26:33,378 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 759 [2018-11-22 23:26:33,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:26:33,379 INFO L225 Difference]: With dead ends: 133999 [2018-11-22 23:26:33,379 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:26:33,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1587 GetRequests, 1542 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=375, Invalid=1605, Unknown=0, NotChecked=0, Total=1980 [2018-11-22 23:26:33,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:26:33,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:26:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:26:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:26:33,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 759 [2018-11-22 23:26:33,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:26:33,535 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:26:33,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:26:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:26:33,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:26:33,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:26:33,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:33,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:34,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,881 WARN L180 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 891 DAG size of output: 544 [2018-11-22 23:26:35,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:35,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:26:36,953 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 843 DAG size of output: 500 [2018-11-22 23:26:39,006 WARN L180 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 599 DAG size of output: 94 [2018-11-22 23:26:41,191 WARN L180 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 507 DAG size of output: 82 [2018-11-22 23:26:43,241 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 466 DAG size of output: 86 [2018-11-22 23:26:43,244 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:26:43,244 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= |old(~a25~0)| ~a25~0) (= ~a4~0 |old(~a4~0)|)) [2018-11-22 23:26:43,244 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:26:43,244 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-22 23:26:43,244 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-22 23:26:43,244 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-22 23:26:43,244 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,244 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,245 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,246 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,247 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,248 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,249 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,250 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,251 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,252 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,252 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,252 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse13 (+ |old(~a23~0)| 599908)) (.cse14 (= ~a29~0 |old(~a29~0)|)) (.cse16 (= ~a4~0 |old(~a4~0)|))) (let ((.cse5 (< 12 |old(~a25~0)|)) (.cse7 (< |old(~a25~0)| 12)) (.cse2 (and .cse14 (= ~a23~0 |old(~a23~0)|) (= |old(~a25~0)| ~a25~0) .cse16)) (.cse9 (< 274 |old(~a29~0)|)) (.cse6 (< .cse13 0)) (.cse3 (= |calculate_output_#in~input| 0)) (.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse4 (not (= 1 |old(~a4~0)|))) (.cse8 (let ((.cse15 (+ ~a23~0 599908))) (and .cse14 (<= .cse15 0) (<= |old(~a25~0)| ~a25~0) (<= 0 .cse15) (<= ~a25~0 |old(~a25~0)|) .cse16))) (.cse10 (< 0 .cse13)) (.cse11 (<= |old(~a29~0)| 245))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 12 |old(~a25~0)|))) (or .cse0 (= 11 |old(~a25~0)|) .cse4 .cse5 .cse2) (or .cse2 .cse0 (< 140 |old(~a29~0)|) .cse5) (or .cse2 .cse0 (<= |old(~a23~0)| 138) .cse4) (or .cse6 .cse7 .cse0 .cse8 (< |old(~a29~0)| 130) .cse4 .cse9 .cse10) (or .cse0 .cse5 .cse11 .cse2) (or .cse7 .cse0 .cse2 (forall ((v_~a23~0_569 Int)) (let ((.cse12 (mod v_~a23~0_569 90))) (or (< (+ |old(~a23~0)| 43) .cse12) (< 0 (+ v_~a23~0_569 43)) (= .cse12 0) (<= 0 v_~a23~0_569))))) (or .cse7 (< |old(~a29~0)| 141) .cse0 .cse4 .cse2 .cse9) (or .cse6 .cse3 .cse0 .cse1 .cse4 (not (= 0 (mod |old(~a25~0)| 2))) .cse8 .cse10 .cse11)))) [2018-11-22 23:26:43,252 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,252 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-22 23:26:43,252 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-22 23:26:43,252 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-22 23:26:43,252 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,252 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,252 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,253 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,254 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-22 23:26:43,255 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,256 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,257 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,258 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-22 23:26:43,259 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-22 23:26:43,260 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-22 23:26:43,261 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-22 23:26:43,262 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-22 23:26:43,263 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-22 23:26:43,264 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:26:43,265 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-22 23:26:43,265 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:26:43,265 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:26:43,265 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 10) (= ~a29~0 130) (= ~a23~0 |old(~a23~0)|) (= 1 ~a4~0)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-11-22 23:26:43,265 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-22 23:26:43,265 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse6 (not (= ~a25~0 11))) (.cse1 (<= 0 (+ ~a23~0 599908))) (.cse5 (<= (+ ~a23~0 600220) |old(~a23~0)|)) (.cse8 (<= 12 ~a25~0)) (.cse7 (<= ~a29~0 274)) (.cse4 (= 1 ~a4~0)) (.cse0 (<= ~a25~0 12)) (.cse3 (< 245 ~a29~0)) (.cse2 (not (= main_~input~0 0)))) (or (and .cse0 (<= ~a29~0 140)) (< |old(~a29~0)| 130) (and .cse1 (and .cse2 (= (mod ~a25~0 2) 0) .cse3 .cse4) .cse5) (and .cse6 .cse0 .cse4) (and .cse4 (< 138 ~a23~0)) (and .cse6 .cse7 .cse1 (<= 130 ~a29~0) .cse4 .cse5) (not (= 10 |old(~a25~0)|)) (not (= 1 ~a3~0)) (and .cse8 (exists ((v_~a23~0_569 Int)) (let ((.cse9 (mod v_~a23~0_569 90))) (and (not (= .cse9 0)) (<= .cse9 (+ ~a23~0 43)) (<= (+ v_~a23~0_569 43) 0) (< v_~a23~0_569 0))))) (< 130 |old(~a29~0)|) (not (= 312 |old(~a23~0)|)) (and (<= 141 ~a29~0) (and .cse8 .cse7 .cse4)) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)) (and .cse0 .cse3) (and .cse2 (= 12 ~a25~0)))) [2018-11-22 23:26:43,265 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-22 23:26:43,265 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-22 23:26:43,266 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 11))) (.cse4 (<= 0 (+ ~a23~0 599908))) (.cse5 (<= (+ ~a23~0 600220) |old(~a23~0)|)) (.cse7 (<= 12 ~a25~0)) (.cse3 (<= ~a29~0 274)) (.cse2 (= 1 ~a4~0)) (.cse0 (<= ~a25~0 12)) (.cse6 (< 245 ~a29~0))) (or (and .cse0 (<= ~a29~0 140)) (< |old(~a29~0)| 130) (and .cse1 .cse0 .cse2) (and .cse2 (< 138 ~a23~0)) (and .cse1 .cse3 .cse4 (<= 130 ~a29~0) .cse2 .cse5) (not (= 10 |old(~a25~0)|)) (= 12 ~a25~0) (and (and (= (mod ~a25~0 2) 0) .cse6 .cse2) .cse4 .cse5) (not (= 1 ~a3~0)) (and .cse7 (exists ((v_~a23~0_569 Int)) (let ((.cse8 (mod v_~a23~0_569 90))) (and (not (= .cse8 0)) (<= .cse8 (+ ~a23~0 43)) (<= (+ v_~a23~0_569 43) 0) (< v_~a23~0_569 0))))) (< 130 |old(~a29~0)|) (not (= 312 |old(~a23~0)|)) (and (<= 141 ~a29~0) (and .cse7 .cse3 .cse2)) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)) (and .cse0 .cse6))) [2018-11-22 23:26:43,266 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-11-22 23:26:43,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:26:43 BoogieIcfgContainer [2018-11-22 23:26:43,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:26:43,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:26:43,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:26:43,281 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:26:43,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:09" (3/4) ... [2018-11-22 23:26:43,285 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:26:43,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:26:43,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 23:26:43,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:26:43,304 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 23:26:43,305 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 23:26:43,328 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((a25 <= 12 && a29 <= 140) || \old(a29) < 130) || ((!(a25 == 11) && a25 <= 12) && 1 == a4)) || (1 == a4 && 138 < a23)) || (((((!(a25 == 11) && a29 <= 274) && 0 <= a23 + 599908) && 130 <= a29) && 1 == a4) && a23 + 600220 <= \old(a23))) || !(10 == \old(a25))) || 12 == a25) || ((((a25 % 2 == 0 && 245 < a29) && 1 == a4) && 0 <= a23 + 599908) && a23 + 600220 <= \old(a23))) || !(1 == a3)) || (12 <= a25 && (\exists v_~a23~0_569 : int :: ((!(v_~a23~0_569 % 90 == 0) && v_~a23~0_569 % 90 <= a23 + 43) && v_~a23~0_569 + 43 <= 0) && v_~a23~0_569 < 0))) || 130 < \old(a29)) || !(312 == \old(a23))) || (141 <= a29 && (12 <= a25 && a29 <= 274) && 1 == a4)) || !(15 == a8)) || !(1 == \old(a4))) || (a25 <= 12 && 245 < a29) [2018-11-22 23:26:43,433 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb1e5e27-f36f-4c3f-9033-50977657648e/bin-2019/utaipan/witness.graphml [2018-11-22 23:26:43,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:26:43,434 INFO L168 Benchmark]: Toolchain (without parser) took 275477.89 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 956.5 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-22 23:26:43,435 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:26:43,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:26:43,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.51 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:26:43,435 INFO L168 Benchmark]: Boogie Preprocessor took 59.64 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. [2018-11-22 23:26:43,436 INFO L168 Benchmark]: RCFGBuilder took 1251.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.7 MB in the end (delta: 173.8 MB). Peak memory consumption was 173.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:26:43,436 INFO L168 Benchmark]: TraceAbstraction took 273418.29 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 917.7 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. [2018-11-22 23:26:43,436 INFO L168 Benchmark]: Witness Printer took 152.31 ms. Allocated memory is still 5.0 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 10.3 kB). Peak memory consumption was 10.3 kB. Max. memory is 11.5 GB. [2018-11-22 23:26:43,438 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 563.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.51 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.64 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 1251.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.7 MB in the end (delta: 173.8 MB). Peak memory consumption was 173.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 273418.29 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 917.7 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. * Witness Printer took 152.31 ms. Allocated memory is still 5.0 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 10.3 kB). Peak memory consumption was 10.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: 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: 1034]: Loop Invariant [2018-11-22 23:26:43,441 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-11-22 23:26:43,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] Derived loop invariant: (((((((((((((((a25 <= 12 && a29 <= 140) || \old(a29) < 130) || ((!(a25 == 11) && a25 <= 12) && 1 == a4)) || (1 == a4 && 138 < a23)) || (((((!(a25 == 11) && a29 <= 274) && 0 <= a23 + 599908) && 130 <= a29) && 1 == a4) && a23 + 600220 <= \old(a23))) || !(10 == \old(a25))) || 12 == a25) || ((((a25 % 2 == 0 && 245 < a29) && 1 == a4) && 0 <= a23 + 599908) && a23 + 600220 <= \old(a23))) || !(1 == a3)) || (12 <= a25 && (\exists v_~a23~0_569 : int :: ((!(v_~a23~0_569 % 90 == 0) && v_~a23~0_569 % 90 <= a23 + 43) && v_~a23~0_569 + 43 <= 0) && v_~a23~0_569 < 0))) || 130 < \old(a29)) || !(312 == \old(a23))) || (141 <= a29 && (12 <= a25 && a29 <= 274) && 1 == a4)) || !(15 == a8)) || !(1 == \old(a4))) || (a25 <= 12 && 245 < a29) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 273.3s OverallTime, 16 OverallIterations, 7 TraceHistogramMax, 241.8s AutomataDifference, 0.0s DeadEndRemovalTime, 9.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 3611 SDtfs, 25955 SDslu, 5323 SDs, 0 SdLazy, 52994 SolverSat, 8617 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 214.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 8298 GetRequests, 7956 SyntacticMatches, 21 SemanticMatches, 321 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4382 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70179occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.3s AbstIntTime, 12 AbstIntIterations, 4 AbstIntStrong, 0.9974875928222714 AbsIntWeakeningRatio, 0.10649819494584838 AbsIntAvgWeakeningVarsNumRemoved, 17.48826714801444 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 9464 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 985 PreInvPairs, 1399 NumberOfFragments, 722 HoareAnnotationTreeSize, 985 FomulaSimplifications, 329487 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 71410 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 9071 NumberOfCodeBlocks, 9071 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 12410 ConstructedInterpolants, 300 QuantifiedInterpolants, 21757979 SizeOfPredicates, 9 NumberOfNonLiveVariables, 5441 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 32 InterpolantComputations, 7 PerfectInterpolantSequences, 14750/15560 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...