./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/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 967c72bd82820b824aa390b27f8a26458e2fde4d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:44:23,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:44:23,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:44:23,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:44:23,639 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:44:23,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:44:23,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:44:23,642 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:44:23,643 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:44:23,644 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:44:23,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:44:23,644 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:44:23,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:44:23,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:44:23,646 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:44:23,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:44:23,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:44:23,649 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:44:23,650 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:44:23,651 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:44:23,652 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:44:23,653 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:44:23,654 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:44:23,654 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:44:23,655 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:44:23,655 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:44:23,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:44:23,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:44:23,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:44:23,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:44:23,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:44:23,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:44:23,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:44:23,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:44:23,660 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:44:23,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:44:23,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 21:44:23,670 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:44:23,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:44:23,671 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:44:23,671 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:44:23,671 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 21:44:23,672 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 21:44:23,672 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 21:44:23,672 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 21:44:23,672 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 21:44:23,672 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 21:44:23,672 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 21:44:23,672 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 21:44:23,672 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 21:44:23,673 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:44:23,673 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:44:23,673 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:44:23,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:44:23,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:44:23,674 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:44:23,674 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:44:23,674 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:44:23,674 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:44:23,674 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:44:23,674 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:44:23,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:44:23,675 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:44:23,675 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:44:23,675 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:44:23,675 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:44:23,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:44:23,675 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:44:23,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:44:23,676 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:44:23,676 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 21:44:23,676 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:44:23,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:44:23,676 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 21:44:23,676 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_9878dfde-13f7-419d-8be0-e786d57aed77/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 -> 967c72bd82820b824aa390b27f8a26458e2fde4d [2018-11-22 21:44:23,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:44:23,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:44:23,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:44:23,714 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:44:23,714 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:44:23,715 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-11-22 21:44:23,759 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/data/da49b15da/31bbf6741bad408883f895c0864cac9a/FLAG96bf39ea8 [2018-11-22 21:44:24,210 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:44:24,211 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-11-22 21:44:24,220 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/data/da49b15da/31bbf6741bad408883f895c0864cac9a/FLAG96bf39ea8 [2018-11-22 21:44:24,234 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/data/da49b15da/31bbf6741bad408883f895c0864cac9a [2018-11-22 21:44:24,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:44:24,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:44:24,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:44:24,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:44:24,240 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:44:24,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cfd07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24, skipping insertion in model container [2018-11-22 21:44:24,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:44:24,281 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:44:24,520 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:44:24,524 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:44:24,588 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:44:24,598 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:44:24,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24 WrapperNode [2018-11-22 21:44:24,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:44:24,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:44:24,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:44:24,599 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:44:24,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:44:24,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:44:24,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:44:24,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:44:24,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... [2018-11-22 21:44:24,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:44:24,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:44:24,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:44:24,720 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:44:24,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:44:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 21:44:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 21:44:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 21:44:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 21:44:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 21:44:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:44:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:44:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 21:44:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 21:44:25,654 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:44:25,654 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 21:44:25,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:44:25 BoogieIcfgContainer [2018-11-22 21:44:25,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:44:25,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:44:25,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:44:25,660 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:44:25,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:44:24" (1/3) ... [2018-11-22 21:44:25,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d74d434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:44:25, skipping insertion in model container [2018-11-22 21:44:25,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:24" (2/3) ... [2018-11-22 21:44:25,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d74d434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:44:25, skipping insertion in model container [2018-11-22 21:44:25,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:44:25" (3/3) ... [2018-11-22 21:44:25,663 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label34_true-unreach-call_false-termination.c [2018-11-22 21:44:25,669 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:44:25,675 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 21:44:25,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 21:44:25,707 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:44:25,707 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:44:25,707 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:44:25,707 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:44:25,707 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:44:25,707 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:44:25,707 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:44:25,707 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:44:25,725 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-22 21:44:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-22 21:44:25,732 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:25,733 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] [2018-11-22 21:44:25,735 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:25,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:25,739 INFO L82 PathProgramCache]: Analyzing trace with hash -524262186, now seen corresponding path program 1 times [2018-11-22 21:44:25,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:25,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:25,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:25,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:25,770 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:26,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:44:26,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:44:26,015 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:44:26,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:44:26,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:44:26,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:44:26,029 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-22 21:44:26,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:26,574 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-11-22 21:44:26,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:44:26,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-11-22 21:44:26,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:26,588 INFO L225 Difference]: With dead ends: 615 [2018-11-22 21:44:26,588 INFO L226 Difference]: Without dead ends: 377 [2018-11-22 21:44:26,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:44:26,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-22 21:44:26,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-22 21:44:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-22 21:44:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 619 transitions. [2018-11-22 21:44:26,642 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 619 transitions. Word has length 104 [2018-11-22 21:44:26,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:26,643 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 619 transitions. [2018-11-22 21:44:26,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:44:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 619 transitions. [2018-11-22 21:44:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-22 21:44:26,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:26,648 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2018-11-22 21:44:26,651 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:26,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:26,652 INFO L82 PathProgramCache]: Analyzing trace with hash -297868677, now seen corresponding path program 1 times [2018-11-22 21:44:26,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:26,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:26,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:26,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:26,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:26,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:44:26,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 21:44:26,763 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:44:26,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:44:26,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:44:26,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:44:26,765 INFO L87 Difference]: Start difference. First operand 377 states and 619 transitions. Second operand 6 states. [2018-11-22 21:44:27,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:27,440 INFO L93 Difference]: Finished difference Result 1222 states and 2085 transitions. [2018-11-22 21:44:27,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 21:44:27,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-11-22 21:44:27,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:27,446 INFO L225 Difference]: With dead ends: 1222 [2018-11-22 21:44:27,447 INFO L226 Difference]: Without dead ends: 851 [2018-11-22 21:44:27,450 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 [2018-11-22 21:44:27,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-11-22 21:44:27,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 817. [2018-11-22 21:44:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-22 21:44:27,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1286 transitions. [2018-11-22 21:44:27,485 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1286 transitions. Word has length 119 [2018-11-22 21:44:27,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:27,486 INFO L480 AbstractCegarLoop]: Abstraction has 817 states and 1286 transitions. [2018-11-22 21:44:27,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:44:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1286 transitions. [2018-11-22 21:44:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-22 21:44:27,489 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:27,489 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:44:27,489 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:27,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:27,490 INFO L82 PathProgramCache]: Analyzing trace with hash -734504192, now seen corresponding path program 1 times [2018-11-22 21:44:27,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:27,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:27,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:27,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:27,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:44:27,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:44:27,573 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:44:27,574 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-11-22 21:44:27,575 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [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], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 21:44:27,606 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:44:27,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:44:27,920 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:44:27,921 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Performed 1196 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1196 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-22 21:44:27,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:27,939 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:44:28,135 INFO L227 lantSequenceWeakener]: Weakened 118 states. On average, predicates are now at 80.69% of their original sizes. [2018-11-22 21:44:28,135 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:44:28,158 INFO L415 sIntCurrentIteration]: We unified 126 AI predicates to 126 [2018-11-22 21:44:28,158 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:44:28,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:44:28,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-22 21:44:28,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:44:28,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:44:28,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:44:28,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:44:28,160 INFO L87 Difference]: Start difference. First operand 817 states and 1286 transitions. Second operand 6 states. [2018-11-22 21:44:29,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:29,997 INFO L93 Difference]: Finished difference Result 1776 states and 2791 transitions. [2018-11-22 21:44:29,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 21:44:29,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-22 21:44:29,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:30,001 INFO L225 Difference]: With dead ends: 1776 [2018-11-22 21:44:30,001 INFO L226 Difference]: Without dead ends: 965 [2018-11-22 21:44:30,002 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 21:44:30,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2018-11-22 21:44:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2018-11-22 21:44:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2018-11-22 21:44:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1439 transitions. [2018-11-22 21:44:30,022 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1439 transitions. Word has length 127 [2018-11-22 21:44:30,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:30,022 INFO L480 AbstractCegarLoop]: Abstraction has 963 states and 1439 transitions. [2018-11-22 21:44:30,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:44:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1439 transitions. [2018-11-22 21:44:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-22 21:44:30,025 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:30,025 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:44:30,026 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:30,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:30,026 INFO L82 PathProgramCache]: Analyzing trace with hash 786414575, now seen corresponding path program 1 times [2018-11-22 21:44:30,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:30,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:30,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:30,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:30,027 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:30,146 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:44:30,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:44:30,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:44:30,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-22 21:44:30,147 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [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], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 21:44:30,150 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:44:30,150 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:44:30,389 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:44:30,389 INFO L272 AbstractInterpreter]: Visited 109 different actions 322 times. Merged at 6 different actions 15 times. Never widened. Performed 3735 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3735 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-22 21:44:30,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:30,399 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:44:30,545 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 84.29% of their original sizes. [2018-11-22 21:44:30,545 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:44:30,588 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-11-22 21:44:30,589 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:44:30,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:44:30,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-22 21:44:30,589 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:44:30,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 21:44:30,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 21:44:30,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 21:44:30,590 INFO L87 Difference]: Start difference. First operand 963 states and 1439 transitions. Second operand 9 states. [2018-11-22 21:44:33,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:33,488 INFO L93 Difference]: Finished difference Result 2376 states and 3563 transitions. [2018-11-22 21:44:33,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 21:44:33,489 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2018-11-22 21:44:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:33,493 INFO L225 Difference]: With dead ends: 2376 [2018-11-22 21:44:33,493 INFO L226 Difference]: Without dead ends: 1419 [2018-11-22 21:44:33,495 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 143 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-22 21:44:33,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2018-11-22 21:44:33,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1342. [2018-11-22 21:44:33,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2018-11-22 21:44:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1920 transitions. [2018-11-22 21:44:33,521 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1920 transitions. Word has length 136 [2018-11-22 21:44:33,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:33,521 INFO L480 AbstractCegarLoop]: Abstraction has 1342 states and 1920 transitions. [2018-11-22 21:44:33,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 21:44:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1920 transitions. [2018-11-22 21:44:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-22 21:44:33,523 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:33,524 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:44:33,524 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:33,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:33,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1401191711, now seen corresponding path program 1 times [2018-11-22 21:44:33,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:33,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:33,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:33,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:33,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:33,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:44:33,586 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:44:33,586 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 136 with the following transitions: [2018-11-22 21:44:33,586 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [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], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 21:44:33,589 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:44:33,589 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:44:33,679 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:44:33,679 INFO L272 AbstractInterpreter]: Visited 108 different actions 210 times. Merged at 4 different actions 4 times. Never widened. Performed 2369 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2369 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-22 21:44:33,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:33,687 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:44:33,794 INFO L227 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 80.71% of their original sizes. [2018-11-22 21:44:33,794 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:44:33,845 INFO L415 sIntCurrentIteration]: We unified 134 AI predicates to 134 [2018-11-22 21:44:33,845 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:44:33,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:44:33,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-22 21:44:33,845 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:44:33,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 21:44:33,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 21:44:33,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:44:33,846 INFO L87 Difference]: Start difference. First operand 1342 states and 1920 transitions. Second operand 10 states. [2018-11-22 21:44:36,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:36,514 INFO L93 Difference]: Finished difference Result 2974 states and 4227 transitions. [2018-11-22 21:44:36,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-22 21:44:36,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2018-11-22 21:44:36,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:36,520 INFO L225 Difference]: With dead ends: 2974 [2018-11-22 21:44:36,520 INFO L226 Difference]: Without dead ends: 1638 [2018-11-22 21:44:36,523 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-22 21:44:36,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2018-11-22 21:44:36,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1635. [2018-11-22 21:44:36,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-11-22 21:44:36,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2260 transitions. [2018-11-22 21:44:36,559 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2260 transitions. Word has length 135 [2018-11-22 21:44:36,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:36,559 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 2260 transitions. [2018-11-22 21:44:36,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 21:44:36,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2260 transitions. [2018-11-22 21:44:36,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-22 21:44:36,562 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:36,563 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] [2018-11-22 21:44:36,563 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:36,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:36,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1661178263, now seen corresponding path program 1 times [2018-11-22 21:44:36,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:36,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:36,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:36,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:36,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:44:36,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:44:36,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:44:36,633 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:44:36,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:44:36,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:44:36,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:44:36,634 INFO L87 Difference]: Start difference. First operand 1635 states and 2260 transitions. Second operand 3 states. [2018-11-22 21:44:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:36,964 INFO L93 Difference]: Finished difference Result 3835 states and 5563 transitions. [2018-11-22 21:44:36,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:44:36,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-11-22 21:44:36,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:36,970 INFO L225 Difference]: With dead ends: 3835 [2018-11-22 21:44:36,971 INFO L226 Difference]: Without dead ends: 1661 [2018-11-22 21:44:36,976 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 [2018-11-22 21:44:36,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2018-11-22 21:44:37,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1660. [2018-11-22 21:44:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1660 states. [2018-11-22 21:44:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2094 transitions. [2018-11-22 21:44:37,007 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2094 transitions. Word has length 139 [2018-11-22 21:44:37,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:37,007 INFO L480 AbstractCegarLoop]: Abstraction has 1660 states and 2094 transitions. [2018-11-22 21:44:37,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:44:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2094 transitions. [2018-11-22 21:44:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-22 21:44:37,011 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:37,011 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:44:37,011 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:37,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:37,011 INFO L82 PathProgramCache]: Analyzing trace with hash -2013652882, now seen corresponding path program 1 times [2018-11-22 21:44:37,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:37,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:37,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:37,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:37,012 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:44:37,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:44:37,081 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:44:37,081 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-11-22 21:44:37,082 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [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], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 21:44:37,084 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:44:37,084 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:44:37,225 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:44:37,225 INFO L272 AbstractInterpreter]: Visited 109 different actions 324 times. Merged at 7 different actions 17 times. Never widened. Performed 3897 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3897 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-22 21:44:37,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:37,226 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:44:37,346 INFO L227 lantSequenceWeakener]: Weakened 164 states. On average, predicates are now at 84.11% of their original sizes. [2018-11-22 21:44:37,346 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:44:37,398 INFO L415 sIntCurrentIteration]: We unified 166 AI predicates to 166 [2018-11-22 21:44:37,398 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:44:37,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:44:37,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-22 21:44:37,398 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:44:37,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 21:44:37,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 21:44:37,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:44:37,399 INFO L87 Difference]: Start difference. First operand 1660 states and 2094 transitions. Second operand 10 states. [2018-11-22 21:44:40,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:40,077 INFO L93 Difference]: Finished difference Result 4882 states and 6134 transitions. [2018-11-22 21:44:40,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-22 21:44:40,078 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2018-11-22 21:44:40,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:40,087 INFO L225 Difference]: With dead ends: 4882 [2018-11-22 21:44:40,087 INFO L226 Difference]: Without dead ends: 3228 [2018-11-22 21:44:40,090 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2018-11-22 21:44:40,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states. [2018-11-22 21:44:40,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 3184. [2018-11-22 21:44:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2018-11-22 21:44:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3813 transitions. [2018-11-22 21:44:40,150 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 3813 transitions. Word has length 167 [2018-11-22 21:44:40,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:40,151 INFO L480 AbstractCegarLoop]: Abstraction has 3184 states and 3813 transitions. [2018-11-22 21:44:40,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 21:44:40,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3813 transitions. [2018-11-22 21:44:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-22 21:44:40,157 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:40,157 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 21:44:40,157 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:40,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:40,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1496243141, now seen corresponding path program 1 times [2018-11-22 21:44:40,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:40,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:40,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:40,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:40,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 35 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:44:40,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:44:40,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:44:40,230 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-11-22 21:44:40,230 INFO L202 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], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [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], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 21:44:40,232 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:44:40,232 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:44:40,422 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 21:44:40,422 INFO L272 AbstractInterpreter]: Visited 112 different actions 436 times. Merged at 7 different actions 25 times. Never widened. Performed 5394 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5394 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-22 21:44:40,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:40,428 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 21:44:40,428 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:44:40,429 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 21:44:40,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:40,435 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 21:44:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:40,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:44:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:44:40,635 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 21:44:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:44:40,810 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 21:44:40,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-22 21:44:40,810 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 21:44:40,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 21:44:40,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 21:44:40,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-22 21:44:40,811 INFO L87 Difference]: Start difference. First operand 3184 states and 3813 transitions. Second operand 9 states. [2018-11-22 21:44:42,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:42,672 INFO L93 Difference]: Finished difference Result 7698 states and 9582 transitions. [2018-11-22 21:44:42,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-22 21:44:42,674 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2018-11-22 21:44:42,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:42,683 INFO L225 Difference]: With dead ends: 7698 [2018-11-22 21:44:42,683 INFO L226 Difference]: Without dead ends: 2947 [2018-11-22 21:44:42,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=322, Invalid=1010, Unknown=0, NotChecked=0, Total=1332 [2018-11-22 21:44:42,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2018-11-22 21:44:42,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2876. [2018-11-22 21:44:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2876 states. [2018-11-22 21:44:42,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3302 transitions. [2018-11-22 21:44:42,744 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3302 transitions. Word has length 210 [2018-11-22 21:44:42,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:42,744 INFO L480 AbstractCegarLoop]: Abstraction has 2876 states and 3302 transitions. [2018-11-22 21:44:42,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 21:44:42,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3302 transitions. [2018-11-22 21:44:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-22 21:44:42,750 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:42,750 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 21:44:42,751 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:42,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:42,751 INFO L82 PathProgramCache]: Analyzing trace with hash -690664195, now seen corresponding path program 1 times [2018-11-22 21:44:42,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:42,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:42,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:42,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:42,752 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:44:42,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:44:42,877 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:44:42,877 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-22 21:44:42,878 INFO L202 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], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [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], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 21:44:42,879 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:44:42,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:44:43,020 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:44:43,020 INFO L272 AbstractInterpreter]: Visited 109 different actions 319 times. Merged at 6 different actions 12 times. Never widened. Performed 3756 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3756 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-22 21:44:43,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:43,027 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:44:43,177 INFO L227 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 84.13% of their original sizes. [2018-11-22 21:44:43,178 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:44:43,217 INFO L415 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-11-22 21:44:43,217 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:44:43,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:44:43,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-22 21:44:43,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:44:43,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 21:44:43,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 21:44:43,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:44:43,218 INFO L87 Difference]: Start difference. First operand 2876 states and 3302 transitions. Second operand 10 states. [2018-11-22 21:44:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:45,514 INFO L93 Difference]: Finished difference Result 5852 states and 6770 transitions. [2018-11-22 21:44:45,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-22 21:44:45,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2018-11-22 21:44:45,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:45,519 INFO L225 Difference]: With dead ends: 5852 [2018-11-22 21:44:45,519 INFO L226 Difference]: Without dead ends: 3570 [2018-11-22 21:44:45,522 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 221 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-22 21:44:45,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2018-11-22 21:44:45,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3541. [2018-11-22 21:44:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3541 states. [2018-11-22 21:44:45,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4092 transitions. [2018-11-22 21:44:45,580 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4092 transitions. Word has length 211 [2018-11-22 21:44:45,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:45,581 INFO L480 AbstractCegarLoop]: Abstraction has 3541 states and 4092 transitions. [2018-11-22 21:44:45,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 21:44:45,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4092 transitions. [2018-11-22 21:44:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 21:44:45,588 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:44:45,588 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:44:45,588 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:44:45,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:45,589 INFO L82 PathProgramCache]: Analyzing trace with hash -118595698, now seen corresponding path program 1 times [2018-11-22 21:44:45,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:44:45,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:45,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:44:45,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:44:45,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:44:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 154 proven. 94 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-22 21:44:45,765 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:44:45,765 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:44:45,765 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-11-22 21:44:45,765 INFO L202 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], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [225], [228], [232], [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], [511], [513], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-22 21:44:45,767 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:44:45,767 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:44:46,026 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:44:46,026 INFO L272 AbstractInterpreter]: Visited 112 different actions 439 times. Merged at 7 different actions 25 times. Never widened. Performed 5289 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5289 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-22 21:44:46,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:46,027 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:44:46,189 INFO L227 lantSequenceWeakener]: Weakened 260 states. On average, predicates are now at 86.38% of their original sizes. [2018-11-22 21:44:46,190 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:44:46,242 INFO L415 sIntCurrentIteration]: We unified 264 AI predicates to 264 [2018-11-22 21:44:46,242 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:44:46,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:44:46,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 20 [2018-11-22 21:44:46,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:44:46,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-22 21:44:46,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-22 21:44:46,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-22 21:44:46,244 INFO L87 Difference]: Start difference. First operand 3541 states and 4092 transitions. Second operand 12 states. [2018-11-22 21:44:48,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:44:48,671 INFO L93 Difference]: Finished difference Result 4813 states and 5553 transitions. [2018-11-22 21:44:48,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-22 21:44:48,671 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 265 [2018-11-22 21:44:48,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:44:48,671 INFO L225 Difference]: With dead ends: 4813 [2018-11-22 21:44:48,672 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 21:44:48,677 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 278 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2018-11-22 21:44:48,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 21:44:48,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 21:44:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 21:44:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 21:44:48,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 265 [2018-11-22 21:44:48,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:44:48,678 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 21:44:48,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-22 21:44:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 21:44:48,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:44:48,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 21:44:48,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:48,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:48,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:48,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:48,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:48,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:48,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:48,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:48,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:48,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:44:49,506 WARN L180 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 78 [2018-11-22 21:44:49,690 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:44:49,690 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-22 21:44:49,690 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:44:49,690 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,690 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,690 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,690 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,690 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,690 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,691 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-22 21:44:49,692 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-22 21:44:49,693 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-22 21:44:49,694 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-22 21:44:49,695 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-22 21:44:49,699 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-22 21:44:49,700 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-22 21:44:49,701 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-22 21:44:49,702 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-22 21:44:49,705 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,706 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1)) (.cse10 (not (= 7 |old(~a28~0)|))) (.cse11 (not (= 1 |old(~a25~0)|))) (.cse14 (= 0 |old(~a17~0)|)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse12 (= ~a28~0 7)) (.cse19 (not (= 0 |old(~a25~0)|))) (.cse0 (not (= 1 ~a21~0))) (.cse6 (= 0 |old(~a28~0)|)) (.cse18 (not (= 0 |old(~a11~0)|))) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse16 (= ~a11~0 |old(~a11~0)|)) (.cse2 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse15 (<= ~a17~0 |old(~a17~0)|)) (.cse20 (= |old(~a19~0)| ~a19~0)) (.cse3 (= 1 ~a11~0)) (.cse13 (= ~a25~0 |old(~a25~0)|)) (.cse9 (not (= 1 |old(~a11~0)|))) (.cse17 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse10 .cse11 .cse1 (and .cse12 .cse13) .cse7 .cse8 .cse9) (or .cse0 .cse14 .cse1 .cse6 (and .cse15 .cse16 .cse5 .cse13) .cse8 .cse17) (or .cse0 .cse10 .cse1 .cse18 .cse12 .cse7 .cse8 .cse19) (or (and .cse15 .cse20 .cse16 .cse13) .cse11 .cse17) (or .cse0 .cse14 .cse1 .cse6 (and .cse2 (not (= ~a17~0 0))) .cse8 .cse17) (or (= 7 |old(~a17~0)|) (and .cse20 (not (= ~a17~0 7)) .cse3) (= |old(~a11~0)| |old(~a19~0)|) .cse9) (or (not (= 10 |old(~a28~0)|)) .cse8 (or .cse0 .cse1 .cse18 .cse7) (or (= ~a28~0 10) .cse12) .cse19) (or .cse0 .cse6 .cse18 .cse7 .cse8 (and .cse20 .cse16 .cse2 .cse4 .cse13)) (or (and .cse15 .cse20 .cse3 .cse13) .cse9 .cse17))) [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-22 21:44:49,707 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 466) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-22 21:44:49,708 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-22 21:44:49,709 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-22 21:44:49,710 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:44:49,711 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)) [2018-11-22 21:44:49,711 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 21:44:49,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:44:49,711 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)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-22 21:44:49,711 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a11~0 0)) (.cse2 (not (= ~a28~0 0))) (.cse0 (= 1 ~a11~0)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a19~0 ~a11~0))) (not (= 0 |old(~a11~0)|)) (and .cse1 (not (= main_~input~0 0)) .cse2 .cse3) (and .cse1 .cse3 (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 7) .cse0) (and .cse2 .cse0 .cse3) (not (= 0 |old(~a25~0)|)))) [2018-11-22 21:44:49,711 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-22 21:44:49,711 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-22 21:44:49,711 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse3 (= ~a17~0 8)) (.cse2 (= 1 ~a11~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse2 (not (= ~a19~0 ~a11~0))) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) .cse0 .cse1 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 7) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-11-22 21:44:49,711 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-22 21:44:49,711 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-22 21:44:49,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:44:49 BoogieIcfgContainer [2018-11-22 21:44:49,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 21:44:49,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:44:49,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:44:49,729 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:44:49,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:44:25" (3/4) ... [2018-11-22 21:44:49,731 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:44:49,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 21:44:49,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 21:44:49,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 21:44:49,743 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 21:44:49,743 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 21:44:49,760 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || (1 == a11 && !(a19 == a11))) || !(0 == \old(a11))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a17 == 8) && a19 == 1) && a28 == 7) && a25 == \old(a25))) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 <= 7 && 1 == a11)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25)) [2018-11-22 21:44:49,822 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9878dfde-13f7-419d-8be0-e786d57aed77/bin-2019/utaipan/witness.graphml [2018-11-22 21:44:49,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:44:49,823 INFO L168 Benchmark]: Toolchain (without parser) took 25586.14 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 953.9 MB in the beginning and 1.6 GB in the end (delta: -664.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-22 21:44:49,823 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:44:49,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.68 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 924.2 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:44:49,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -218.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-22 21:44:49,824 INFO L168 Benchmark]: Boogie Preprocessor took 50.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:44:49,824 INFO L168 Benchmark]: RCFGBuilder took 934.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 11.5 GB. [2018-11-22 21:44:49,824 INFO L168 Benchmark]: TraceAbstraction took 24072.67 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -586.2 MB). Peak memory consumption was 983.0 MB. Max. memory is 11.5 GB. [2018-11-22 21:44:49,824 INFO L168 Benchmark]: Witness Printer took 93.52 ms. Allocated memory is still 2.7 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:44:49,825 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.68 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 924.2 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -218.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 934.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24072.67 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -586.2 MB). Peak memory consumption was 983.0 MB. Max. memory is 11.5 GB. * Witness Printer took 93.52 ms. Allocated memory is still 2.7 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 466]: 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) || !(7 == \old(a28))) || (1 == a11 && !(a19 == a11))) || !(0 == \old(a11))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a17 == 8) && a19 == 1) && a28 == 7) && a25 == \old(a25))) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 <= 7 && 1 == a11)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 24.0s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 18.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1590 SDtfs, 8603 SDslu, 2082 SDs, 0 SdLazy, 11188 SolverSat, 2282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 1584 GetRequests, 1435 SyntacticMatches, 4 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3541occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 7 AbstIntIterations, 6 AbstIntStrong, 0.9964915260634287 AbsIntWeakeningRatio, 0.23091787439613526 AbsIntAvgWeakeningVarsNumRemoved, 24.85024154589372 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 261 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 176 NumberOfFragments, 534 HoareAnnotationTreeSize, 121 FomulaSimplifications, 10189 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2911 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1823 NumberOfCodeBlocks, 1823 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2021 ConstructedInterpolants, 0 QuantifiedInterpolants, 775783 SizeOfPredicates, 1 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 969/1190 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...