./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/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 7013b5440d15c52781747fe18e114861ef321ee3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:31:14,854 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:31:14,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:31:14,863 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:31:14,863 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:31:14,864 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:31:14,865 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:31:14,866 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:31:14,867 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:31:14,867 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:31:14,868 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:31:14,868 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:31:14,869 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:31:14,869 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:31:14,870 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:31:14,871 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:31:14,871 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:31:14,872 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:31:14,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:31:14,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:31:14,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:31:14,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:31:14,878 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:31:14,878 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:31:14,878 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:31:14,879 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:31:14,880 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:31:14,880 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:31:14,881 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:31:14,881 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:31:14,882 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:31:14,882 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:31:14,882 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:31:14,882 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:31:14,883 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:31:14,883 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:31:14,884 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:31:14,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:31:14,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:31:14,894 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:31:14,895 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:31:14,895 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:31:14,895 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:31:14,895 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:31:14,895 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:31:14,895 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:31:14,895 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:31:14,895 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:31:14,895 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:31:14,895 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:31:14,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:31:14,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:31:14,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:31:14,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:31:14,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:31:14,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:31:14,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:31:14,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:31:14,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:31:14,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:31:14,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:31:14,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:31:14,897 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:31:14,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:31:14,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:31:14,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:31:14,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:31:14,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:31:14,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:31:14,898 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:31:14,898 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:31:14,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:31:14,898 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:31:14,898 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_796038aa-d589-4fd3-9ef0-f8269f695768/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 -> 7013b5440d15c52781747fe18e114861ef321ee3 [2018-12-09 18:31:14,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:31:14,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:31:14,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:31:14,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:31:14,934 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:31:14,934 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-12-09 18:31:14,974 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/data/fbf6237e2/cea6d36b98cd4cfdbf82c3874a5c543f/FLAG84d6673e6 [2018-12-09 18:31:15,405 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:31:15,405 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-12-09 18:31:15,412 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/data/fbf6237e2/cea6d36b98cd4cfdbf82c3874a5c543f/FLAG84d6673e6 [2018-12-09 18:31:15,420 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/data/fbf6237e2/cea6d36b98cd4cfdbf82c3874a5c543f [2018-12-09 18:31:15,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:31:15,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:31:15,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:31:15,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:31:15,425 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:31:15,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15, skipping insertion in model container [2018-12-09 18:31:15,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:31:15,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:31:15,655 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:31:15,658 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:31:15,764 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:31:15,774 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:31:15,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15 WrapperNode [2018-12-09 18:31:15,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:31:15,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:31:15,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:31:15,775 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:31:15,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:31:15,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:31:15,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:31:15,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:31:15,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... [2018-12-09 18:31:15,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:31:15,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:31:15,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:31:15,832 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:31:15,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/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 [2018-12-09 18:31:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:31:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:31:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 18:31:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 18:31:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:31:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:31:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:31:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:31:16,440 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:31:16,440 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 18:31:16,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:31:16 BoogieIcfgContainer [2018-12-09 18:31:16,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:31:16,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:31:16,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:31:16,444 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:31:16,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:31:15" (1/3) ... [2018-12-09 18:31:16,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:31:16, skipping insertion in model container [2018-12-09 18:31:16,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:31:15" (2/3) ... [2018-12-09 18:31:16,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:31:16, skipping insertion in model container [2018-12-09 18:31:16,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:31:16" (3/3) ... [2018-12-09 18:31:16,447 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label54_true-unreach-call_false-termination.c [2018-12-09 18:31:16,455 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:31:16,462 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:31:16,475 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:31:16,497 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:31:16,497 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:31:16,497 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:31:16,497 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:31:16,497 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:31:16,497 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:31:16,497 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:31:16,497 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:31:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 18:31:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 18:31:16,519 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:31:16,520 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:31:16,521 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:31:16,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1789175463, now seen corresponding path program 1 times [2018-12-09 18:31:16,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:31:16,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:16,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:16,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:16,557 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:31:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:31:16,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:31:16,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:31:16,757 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:31:16,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:31:16,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:31:16,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:31:16,770 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 18:31:17,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:31:17,179 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-12-09 18:31:17,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:31:17,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-12-09 18:31:17,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:31:17,188 INFO L225 Difference]: With dead ends: 618 [2018-12-09 18:31:17,189 INFO L226 Difference]: Without dead ends: 320 [2018-12-09 18:31:17,191 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 [2018-12-09 18:31:17,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-09 18:31:17,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-09 18:31:17,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-09 18:31:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-12-09 18:31:17,228 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 107 [2018-12-09 18:31:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:31:17,228 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-12-09 18:31:17,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:31:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-12-09 18:31:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 18:31:17,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:31:17,231 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:31:17,231 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:31:17,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:17,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1651920546, now seen corresponding path program 1 times [2018-12-09 18:31:17,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:31:17,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:17,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:17,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:17,233 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:31:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:31:17,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:31:17,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:31:17,306 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:31:17,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:31:17,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:31:17,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:31:17,308 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 3 states. [2018-12-09 18:31:17,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:31:17,604 INFO L93 Difference]: Finished difference Result 923 states and 1364 transitions. [2018-12-09 18:31:17,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:31:17,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-12-09 18:31:17,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:31:17,609 INFO L225 Difference]: With dead ends: 923 [2018-12-09 18:31:17,609 INFO L226 Difference]: Without dead ends: 609 [2018-12-09 18:31:17,610 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:31:17,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2018-12-09 18:31:17,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 609. [2018-12-09 18:31:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2018-12-09 18:31:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 848 transitions. [2018-12-09 18:31:17,632 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 848 transitions. Word has length 115 [2018-12-09 18:31:17,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:31:17,633 INFO L480 AbstractCegarLoop]: Abstraction has 609 states and 848 transitions. [2018-12-09 18:31:17,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:31:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 848 transitions. [2018-12-09 18:31:17,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 18:31:17,636 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:31:17,637 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:31:17,637 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:31:17,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:17,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1194422463, now seen corresponding path program 1 times [2018-12-09 18:31:17,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:31:17,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:17,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:17,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:17,639 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:31:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:31:17,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:31:17,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:31:17,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:31:17,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:31:17,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:31:17,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:31:17,731 INFO L87 Difference]: Start difference. First operand 609 states and 848 transitions. Second operand 6 states. [2018-12-09 18:31:18,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:31:18,142 INFO L93 Difference]: Finished difference Result 1839 states and 2692 transitions. [2018-12-09 18:31:18,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:31:18,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-09 18:31:18,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:31:18,148 INFO L225 Difference]: With dead ends: 1839 [2018-12-09 18:31:18,148 INFO L226 Difference]: Without dead ends: 1236 [2018-12-09 18:31:18,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:31:18,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2018-12-09 18:31:18,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1213. [2018-12-09 18:31:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2018-12-09 18:31:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1689 transitions. [2018-12-09 18:31:18,177 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1689 transitions. Word has length 129 [2018-12-09 18:31:18,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:31:18,178 INFO L480 AbstractCegarLoop]: Abstraction has 1213 states and 1689 transitions. [2018-12-09 18:31:18,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:31:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1689 transitions. [2018-12-09 18:31:18,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 18:31:18,180 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:31:18,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:31:18,180 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:31:18,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:18,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1695944947, now seen corresponding path program 1 times [2018-12-09 18:31:18,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:31:18,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:18,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:18,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:18,182 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:31:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:31:18,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:31:18,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:31:18,242 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:31:18,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:31:18,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:31:18,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:31:18,243 INFO L87 Difference]: Start difference. First operand 1213 states and 1689 transitions. Second operand 6 states. [2018-12-09 18:31:18,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:31:18,765 INFO L93 Difference]: Finished difference Result 3045 states and 4314 transitions. [2018-12-09 18:31:18,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:31:18,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-12-09 18:31:18,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:31:18,773 INFO L225 Difference]: With dead ends: 3045 [2018-12-09 18:31:18,774 INFO L226 Difference]: Without dead ends: 1838 [2018-12-09 18:31:18,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:31:18,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-12-09 18:31:18,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1817. [2018-12-09 18:31:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1817 states. [2018-12-09 18:31:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2438 transitions. [2018-12-09 18:31:18,819 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2438 transitions. Word has length 135 [2018-12-09 18:31:18,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:31:18,819 INFO L480 AbstractCegarLoop]: Abstraction has 1817 states and 2438 transitions. [2018-12-09 18:31:18,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:31:18,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2438 transitions. [2018-12-09 18:31:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 18:31:18,822 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:31:18,823 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:31:18,823 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:31:18,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:18,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1552967928, now seen corresponding path program 1 times [2018-12-09 18:31:18,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:31:18,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:18,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:18,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:18,824 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:31:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:18,953 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:31:18,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:31:18,954 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:31:18,954 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-12-09 18:31:18,956 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:31:18,990 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:31:18,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:31:19,520 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:31:19,521 INFO L272 AbstractInterpreter]: Visited 112 different actions 329 times. Merged at 6 different actions 15 times. Never widened. Performed 4021 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4021 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 18:31:19,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:19,529 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:31:19,529 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:31:19,529 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/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 [2018-12-09 18:31:19,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:19,537 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:31:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:19,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:31:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 18:31:19,650 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:31:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 18:31:19,727 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:31:19,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-09 18:31:19,728 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:31:19,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:31:19,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:31:19,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:31:19,728 INFO L87 Difference]: Start difference. First operand 1817 states and 2438 transitions. Second operand 3 states. [2018-12-09 18:31:20,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:31:20,053 INFO L93 Difference]: Finished difference Result 4646 states and 6306 transitions. [2018-12-09 18:31:20,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:31:20,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2018-12-09 18:31:20,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:31:20,059 INFO L225 Difference]: With dead ends: 4646 [2018-12-09 18:31:20,059 INFO L226 Difference]: Without dead ends: 1658 [2018-12-09 18:31:20,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 284 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:31:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2018-12-09 18:31:20,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1658. [2018-12-09 18:31:20,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2018-12-09 18:31:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2145 transitions. [2018-12-09 18:31:20,101 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2145 transitions. Word has length 142 [2018-12-09 18:31:20,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:31:20,102 INFO L480 AbstractCegarLoop]: Abstraction has 1658 states and 2145 transitions. [2018-12-09 18:31:20,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:31:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2145 transitions. [2018-12-09 18:31:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 18:31:20,105 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:31:20,106 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:31:20,106 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:31:20,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:20,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1301222022, now seen corresponding path program 1 times [2018-12-09 18:31:20,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:31:20,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:20,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:20,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:20,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:31:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:31:20,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:31:20,190 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:31:20,190 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-12-09 18:31:20,191 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:31:20,193 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:31:20,193 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:31:20,286 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:31:20,286 INFO L272 AbstractInterpreter]: Visited 108 different actions 108 times. Never merged. Never widened. Performed 1234 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1234 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 18:31:20,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:20,287 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:31:20,447 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 80.73% of their original sizes. [2018-12-09 18:31:20,447 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:31:20,475 INFO L418 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-12-09 18:31:20,475 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:31:20,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:31:20,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-09 18:31:20,476 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:31:20,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:31:20,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:31:20,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:31:20,476 INFO L87 Difference]: Start difference. First operand 1658 states and 2145 transitions. Second operand 6 states. [2018-12-09 18:31:22,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:31:22,208 INFO L93 Difference]: Finished difference Result 3458 states and 4461 transitions. [2018-12-09 18:31:22,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:31:22,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-12-09 18:31:22,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:31:22,212 INFO L225 Difference]: With dead ends: 3458 [2018-12-09 18:31:22,212 INFO L226 Difference]: Without dead ends: 1806 [2018-12-09 18:31:22,214 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:31:22,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2018-12-09 18:31:22,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1804. [2018-12-09 18:31:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2018-12-09 18:31:22,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2302 transitions. [2018-12-09 18:31:22,235 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2302 transitions. Word has length 148 [2018-12-09 18:31:22,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:31:22,236 INFO L480 AbstractCegarLoop]: Abstraction has 1804 states and 2302 transitions. [2018-12-09 18:31:22,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:31:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2302 transitions. [2018-12-09 18:31:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 18:31:22,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:31:22,238 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:31:22,238 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:31:22,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:22,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1564908668, now seen corresponding path program 1 times [2018-12-09 18:31:22,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:31:22,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:22,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:22,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:22,239 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:31:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:31:22,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:31:22,276 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:31:22,276 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-12-09 18:31:22,276 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:31:22,278 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:31:22,278 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:31:22,414 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:31:22,414 INFO L272 AbstractInterpreter]: Visited 112 different actions 329 times. Merged at 6 different actions 15 times. Never widened. Performed 3952 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3952 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 18:31:22,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:22,415 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:31:22,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:31:22,416 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/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 [2018-12-09 18:31:22,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:22,422 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:31:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:22,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:31:22,497 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 18:31:22,497 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:31:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 18:31:22,554 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:31:22,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-09 18:31:22,554 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:31:22,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:31:22,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:31:22,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:31:22,555 INFO L87 Difference]: Start difference. First operand 1804 states and 2302 transitions. Second operand 3 states. [2018-12-09 18:31:22,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:31:22,874 INFO L93 Difference]: Finished difference Result 4187 states and 5400 transitions. [2018-12-09 18:31:22,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:31:22,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-12-09 18:31:22,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:31:22,881 INFO L225 Difference]: With dead ends: 4187 [2018-12-09 18:31:22,881 INFO L226 Difference]: Without dead ends: 2389 [2018-12-09 18:31:22,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:31:22,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2018-12-09 18:31:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 2099. [2018-12-09 18:31:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2099 states. [2018-12-09 18:31:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2592 transitions. [2018-12-09 18:31:22,926 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2592 transitions. Word has length 148 [2018-12-09 18:31:22,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:31:22,927 INFO L480 AbstractCegarLoop]: Abstraction has 2099 states and 2592 transitions. [2018-12-09 18:31:22,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:31:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2592 transitions. [2018-12-09 18:31:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 18:31:22,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:31:22,931 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:31:22,931 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:31:22,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:22,932 INFO L82 PathProgramCache]: Analyzing trace with hash 318687211, now seen corresponding path program 1 times [2018-12-09 18:31:22,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:31:22,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:22,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:31:22,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:31:22,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:31:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:31:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 46 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 18:31:23,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:31:23,014 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:31:23,014 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-09 18:31:23,015 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:31:23,016 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:31:23,017 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:31:23,151 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:31:23,152 INFO L272 AbstractInterpreter]: Visited 112 different actions 331 times. Merged at 6 different actions 15 times. Never widened. Performed 3864 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3864 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 18:31:23,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:31:23,156 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:31:23,273 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 84.36% of their original sizes. [2018-12-09 18:31:23,273 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:31:23,304 INFO L418 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-12-09 18:31:23,304 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:31:23,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:31:23,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-09 18:31:23,304 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:31:23,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:31:23,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:31:23,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:31:23,305 INFO L87 Difference]: Start difference. First operand 2099 states and 2592 transitions. Second operand 9 states. [2018-12-09 18:31:25,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:31:25,391 INFO L93 Difference]: Finished difference Result 4378 states and 5351 transitions. [2018-12-09 18:31:25,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 18:31:25,392 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-09 18:31:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:31:25,392 INFO L225 Difference]: With dead ends: 4378 [2018-12-09 18:31:25,392 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:31:25,396 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 18:31:25,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:31:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:31:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:31:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:31:25,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-12-09 18:31:25,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:31:25,397 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:31:25,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:31:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:31:25,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:31:25,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:31:25,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:31:25,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:31:25,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:31:25,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:31:25,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:31:25,917 WARN L180 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a25~0)| ~a25~0)) [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 18:31:26,096 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 18:31:26,097 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 18:31:26,098 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 18:31:26,099 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 18:31:26,100 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,101 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,102 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= |old(~a28~0)| ~a28~0)) (.cse12 (= |old(~a25~0)| ~a25~0)) (.cse16 (not (= ~a11~0 1)))) (let ((.cse0 (not (= 1 ~a21~0))) (.cse11 (= ~a17~0 8)) (.cse13 (= ~a19~0 1)) (.cse9 (= 0 |old(~a28~0)|)) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse3 (= |calculate_output_#in~input| 0)) (.cse6 (= 1 |old(~a25~0)|)) (.cse14 (< 7 |old(~a28~0)|)) (.cse5 (and .cse10 .cse12 .cse16)) (.cse8 (= 11 |old(~a28~0)|)) (.cse4 (= 1 |old(~a11~0)|)) (.cse17 (<= ~a17~0 7)) (.cse7 (= 1 ~a19~0)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse15 (< 7 |old(~a17~0)|))) (and (or .cse0 (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) .cse1 .cse2 .cse3 (= ~a11~0 0) (not (= 0 |old(~a25~0)|))) (or .cse4 .cse5 .cse6) (or .cse4 .cse1 .cse7 .cse8) (or .cse0 .cse1 .cse9 (and .cse10 .cse11 .cse12 .cse13) .cse2 .cse3 .cse8) (or .cse14 .cse6 (and .cse10 .cse12)) (or .cse1 .cse8 .cse15 .cse7) (or .cse0 .cse4 (and .cse10 .cse11 .cse12 .cse13 .cse16) .cse1 .cse9 .cse2 .cse3) (or .cse1 (and .cse10 .cse17 .cse7 .cse12) .cse15 .cse6) (or .cse14 .cse1 (and .cse10 .cse7 .cse12)) (or (and .cse10 .cse17 .cse12) .cse8 .cse15) (or .cse4 .cse5 .cse8) (or .cse4 (and .cse10 .cse17 .cse7 .cse12 .cse16) .cse1 .cse15)))) [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 18:31:26,103 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 18:31:26,104 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 18:31:26,105 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7))) [2018-12-09 18:31:26,105 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse2 (not (= ~a25~0 1))) (.cse0 (not (= ~a11~0 1))) (.cse5 (<= ~a28~0 7)) (.cse4 (= 1 ~a19~0)) (.cse6 (= ~a17~0 8)) (.cse7 (= ~a19~0 1)) (.cse1 (not (= ~a28~0 11)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1) (not (= 7 |old(~a28~0)|)) (and .cse2 .cse0) (not (= 0 |old(~a11~0)|)) (and .cse3 .cse2 .cse4) (and .cse3 .cse1) (not (= 0 |old(~a25~0)|)) (and .cse3 .cse4 .cse0) (and .cse5 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse6 .cse7 .cse0) (not (= 8 |old(~a17~0)|)) (and .cse5 .cse4) (and .cse6 .cse7 .cse1))) [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 1))) (.cse0 (<= ~a28~0 7)) (.cse3 (not (= ~a28~0 11))) (.cse7 (<= ~a17~0 7)) (.cse8 (= 1 ~a19~0)) (.cse4 (not (= main_~input~0 0))) (.cse5 (= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse2 (not (= ~a11~0 1)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1) (and .cse2 .cse3) (not (= 7 |old(~a28~0)|)) (and .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse8) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse8) (and .cse7 .cse3) (not (= 0 |old(~a25~0)|)) (and .cse7 .cse8 .cse2) (and .cse4 .cse5 .cse6 .cse2))) [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 18:31:26,105 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 18:31:26,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:31:26 BoogieIcfgContainer [2018-12-09 18:31:26,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:31:26,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:31:26,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:31:26,113 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:31:26,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:31:16" (3/4) ... [2018-12-09 18:31:26,116 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:31:26,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:31:26,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 18:31:26,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:31:26,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 18:31:26,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 18:31:26,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 == a21) || (!(a11 == 1) && !(a28 == 11))) || !(7 == \old(a28))) || (!(a25 == 1) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a25 == 1)) && 1 == a19)) || (a17 <= 7 && !(a28 == 11))) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a19) && !(a11 == 1))) || (a28 <= 7 && !(a25 == 1))) || !(1 == \old(a19))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || !(8 == \old(a17))) || (a28 <= 7 && 1 == a19)) || ((a17 == 8 && a19 == 1) && !(a28 == 11)) [2018-12-09 18:31:26,186 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_796038aa-d589-4fd3-9ef0-f8269f695768/bin-2019/utaipan/witness.graphml [2018-12-09 18:31:26,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:31:26,186 INFO L168 Benchmark]: Toolchain (without parser) took 10764.38 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 546.3 MB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -362.5 MB). Peak memory consumption was 183.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:31:26,187 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:31:26,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:31:26,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:31:26,187 INFO L168 Benchmark]: Boogie Preprocessor took 35.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:31:26,188 INFO L168 Benchmark]: RCFGBuilder took 609.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.8 MB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:31:26,188 INFO L168 Benchmark]: TraceAbstraction took 9671.31 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 437.8 MB). Free memory was 970.8 MB in the beginning and 1.3 GB in the end (delta: -353.8 MB). Peak memory consumption was 699.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:31:26,188 INFO L168 Benchmark]: Witness Printer took 72.81 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:31:26,189 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 609.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.8 MB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9671.31 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 437.8 MB). Free memory was 970.8 MB in the beginning and 1.3 GB in the end (delta: -353.8 MB). Peak memory consumption was 699.0 MB. Max. memory is 11.5 GB. * Witness Printer took 72.81 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == a21) || (!(a11 == 1) && !(a28 == 11))) || !(7 == \old(a28))) || (!(a25 == 1) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a25 == 1)) && 1 == a19)) || (a17 <= 7 && !(a28 == 11))) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a19) && !(a11 == 1))) || (a28 <= 7 && !(a25 == 1))) || !(1 == \old(a19))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || !(8 == \old(a17))) || (a28 <= 7 && 1 == a19)) || ((a17 == 8 && a19 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 9.6s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 816 SDtfs, 2491 SDslu, 429 SDs, 0 SdLazy, 3859 SolverSat, 794 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 936 GetRequests, 880 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2099occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9967076640441431 AbsIntWeakeningRatio, 0.2376237623762376 AbsIntAvgWeakeningVarsNumRemoved, 26.082508250825082 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 336 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 93 PreInvPairs, 146 NumberOfFragments, 573 HoareAnnotationTreeSize, 93 FomulaSimplifications, 2176 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1354 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1371 NumberOfCodeBlocks, 1371 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1649 ConstructedInterpolants, 0 QuantifiedInterpolants, 565438 SizeOfPredicates, 4 NumberOfNonLiveVariables, 799 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 386/428 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...