./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/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 74af0999cbe879befd0a6903faa6dabc12f5915f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:16,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:16,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:16,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:16,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:16,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:16,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:16,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:16,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:16,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:16,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:16,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:16,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:16,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:16,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:16,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:16,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:16,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:16,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:16,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:16,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:16,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:16,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:16,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:16,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:16,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:16,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:16,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:16,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:16,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:16,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:16,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:16,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:16,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:16,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:16,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:16,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:16,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:16,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:16,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:16,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:16,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:16,825 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:16,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:16,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:16,827 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:16,827 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:16,827 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:16,828 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:16,828 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:16,828 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:16,828 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:16,828 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:16,828 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:16,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:16,830 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:16,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:16,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:16,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:16,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:16,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:16,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:16,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:16,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:16,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:16,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:16,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:16,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:16,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:16,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:16,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:16,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:16,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:16,832 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:16,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:16,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:16,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:16,833 INFO L138 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_512158a0-185e-499d-b675-0265c93e1699/bin/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 -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2019-10-22 11:26:16,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:16,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:16,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:16,891 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:16,891 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:16,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2019-10-22 11:26:16,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/data/4c92b92f7/85456912be5742d3b70de4cac95aabf9/FLAGadad58229 [2019-10-22 11:26:17,349 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:17,349 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2019-10-22 11:26:17,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/data/4c92b92f7/85456912be5742d3b70de4cac95aabf9/FLAGadad58229 [2019-10-22 11:26:17,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/data/4c92b92f7/85456912be5742d3b70de4cac95aabf9 [2019-10-22 11:26:17,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:17,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:17,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:17,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:17,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:17,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:17" (1/1) ... [2019-10-22 11:26:17,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5786a32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:17, skipping insertion in model container [2019-10-22 11:26:17,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:17" (1/1) ... [2019-10-22 11:26:17,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:17,757 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:18,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:18,163 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:18,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:18,296 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:18,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18 WrapperNode [2019-10-22 11:26:18,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:18,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:18,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:18,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:18,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:18,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:18,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:18,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:18,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... [2019-10-22 11:26:18,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:18,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:18,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:18,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:18,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/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 [2019-10-22 11:26:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:19,388 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:19,389 INFO L284 CfgBuilder]: Removed 278 assume(true) statements. [2019-10-22 11:26:19,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:19 BoogieIcfgContainer [2019-10-22 11:26:19,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:19,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:19,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:19,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:19,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:17" (1/3) ... [2019-10-22 11:26:19,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf54a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:19, skipping insertion in model container [2019-10-22 11:26:19,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:18" (2/3) ... [2019-10-22 11:26:19,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf54a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:19, skipping insertion in model container [2019-10-22 11:26:19,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:19" (3/3) ... [2019-10-22 11:26:19,399 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2019-10-22 11:26:19,409 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:19,421 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:19,432 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:19,457 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:19,458 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:19,458 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:19,458 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:19,459 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:19,459 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:19,459 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:19,459 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-10-22 11:26:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:26:19,485 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:19,485 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:19,488 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:19,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:19,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1813047236, now seen corresponding path program 1 times [2019-10-22 11:26:19,504 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:19,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764221409] [2019-10-22 11:26:19,504 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:19,504 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:19,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:19,723 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764221409] [2019-10-22 11:26:19,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:19,724 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:19,724 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193008781] [2019-10-22 11:26:19,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:19,730 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:19,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:19,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:19,748 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-10-22 11:26:19,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:19,793 INFO L93 Difference]: Finished difference Result 379 states and 582 transitions. [2019-10-22 11:26:19,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:19,794 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:26:19,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:19,809 INFO L225 Difference]: With dead ends: 379 [2019-10-22 11:26:19,810 INFO L226 Difference]: Without dead ends: 189 [2019-10-22 11:26:19,813 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:19,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-10-22 11:26:19,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2019-10-22 11:26:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-10-22 11:26:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2019-10-22 11:26:19,861 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2019-10-22 11:26:19,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:19,861 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2019-10-22 11:26:19,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2019-10-22 11:26:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:26:19,863 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:19,863 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:19,863 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:19,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:19,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1594211267, now seen corresponding path program 1 times [2019-10-22 11:26:19,864 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:19,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608122847] [2019-10-22 11:26:19,865 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:19,865 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:19,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:19,990 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608122847] [2019-10-22 11:26:19,990 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:19,990 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:19,990 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192527992] [2019-10-22 11:26:19,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:19,992 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:19,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:19,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:19,992 INFO L87 Difference]: Start difference. First operand 189 states and 283 transitions. Second operand 3 states. [2019-10-22 11:26:20,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:20,019 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2019-10-22 11:26:20,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:20,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:26:20,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:20,020 INFO L225 Difference]: With dead ends: 189 [2019-10-22 11:26:20,023 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 11:26:20,024 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:20,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 11:26:20,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-10-22 11:26:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 11:26:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2019-10-22 11:26:20,030 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2019-10-22 11:26:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:20,033 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2019-10-22 11:26:20,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2019-10-22 11:26:20,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:26:20,035 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:20,035 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:20,035 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:20,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1277587638, now seen corresponding path program 1 times [2019-10-22 11:26:20,037 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:20,037 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799915824] [2019-10-22 11:26:20,037 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,037 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:20,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:20,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799915824] [2019-10-22 11:26:20,136 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:20,136 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:20,137 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568760617] [2019-10-22 11:26:20,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:20,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:20,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:20,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:20,137 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2019-10-22 11:26:20,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:20,146 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2019-10-22 11:26:20,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:20,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:26:20,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:20,148 INFO L225 Difference]: With dead ends: 139 [2019-10-22 11:26:20,148 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 11:26:20,148 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 11:26:20,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-10-22 11:26:20,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 11:26:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2019-10-22 11:26:20,154 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2019-10-22 11:26:20,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:20,155 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2019-10-22 11:26:20,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2019-10-22 11:26:20,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:26:20,156 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:20,156 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:20,156 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:20,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:20,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1954298508, now seen corresponding path program 1 times [2019-10-22 11:26:20,157 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:20,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934655535] [2019-10-22 11:26:20,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:20,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:20,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934655535] [2019-10-22 11:26:20,207 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:20,207 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:20,207 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194320649] [2019-10-22 11:26:20,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:20,207 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:20,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:20,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:20,208 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2019-10-22 11:26:20,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:20,259 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2019-10-22 11:26:20,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:20,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-22 11:26:20,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:20,261 INFO L225 Difference]: With dead ends: 149 [2019-10-22 11:26:20,261 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 11:26:20,262 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:20,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 11:26:20,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2019-10-22 11:26:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-10-22 11:26:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2019-10-22 11:26:20,274 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2019-10-22 11:26:20,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:20,275 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2019-10-22 11:26:20,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2019-10-22 11:26:20,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:26:20,275 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:20,276 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:20,276 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:20,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:20,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1238499427, now seen corresponding path program 1 times [2019-10-22 11:26:20,276 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:20,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449467900] [2019-10-22 11:26:20,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:20,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:20,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449467900] [2019-10-22 11:26:20,374 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:20,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:20,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791149761] [2019-10-22 11:26:20,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:20,375 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:20,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:20,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:20,376 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand 5 states. [2019-10-22 11:26:20,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:20,466 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2019-10-22 11:26:20,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:20,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:26:20,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:20,468 INFO L225 Difference]: With dead ends: 211 [2019-10-22 11:26:20,468 INFO L226 Difference]: Without dead ends: 137 [2019-10-22 11:26:20,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:26:20,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-22 11:26:20,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 90. [2019-10-22 11:26:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-22 11:26:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 124 transitions. [2019-10-22 11:26:20,485 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 124 transitions. Word has length 33 [2019-10-22 11:26:20,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:20,485 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 124 transitions. [2019-10-22 11:26:20,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:20,486 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 124 transitions. [2019-10-22 11:26:20,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:26:20,490 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:20,490 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:20,490 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:20,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:20,491 INFO L82 PathProgramCache]: Analyzing trace with hash -2123004160, now seen corresponding path program 1 times [2019-10-22 11:26:20,491 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:20,491 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80357388] [2019-10-22 11:26:20,491 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,491 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:20,581 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80357388] [2019-10-22 11:26:20,581 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:20,581 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:20,582 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81179659] [2019-10-22 11:26:20,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:20,583 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:20,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:20,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:20,584 INFO L87 Difference]: Start difference. First operand 90 states and 124 transitions. Second operand 5 states. [2019-10-22 11:26:20,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:20,700 INFO L93 Difference]: Finished difference Result 436 states and 609 transitions. [2019-10-22 11:26:20,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:26:20,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:26:20,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:20,703 INFO L225 Difference]: With dead ends: 436 [2019-10-22 11:26:20,703 INFO L226 Difference]: Without dead ends: 353 [2019-10-22 11:26:20,704 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:20,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-10-22 11:26:20,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 165. [2019-10-22 11:26:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-10-22 11:26:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2019-10-22 11:26:20,740 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 33 [2019-10-22 11:26:20,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:20,740 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2019-10-22 11:26:20,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2019-10-22 11:26:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:26:20,742 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:20,742 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:20,742 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:20,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:20,743 INFO L82 PathProgramCache]: Analyzing trace with hash -2127856776, now seen corresponding path program 1 times [2019-10-22 11:26:20,743 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:20,743 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338968788] [2019-10-22 11:26:20,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,744 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:20,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:20,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338968788] [2019-10-22 11:26:20,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:20,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:20,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86213277] [2019-10-22 11:26:20,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:20,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:20,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:20,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:20,820 INFO L87 Difference]: Start difference. First operand 165 states and 226 transitions. Second operand 5 states. [2019-10-22 11:26:20,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:20,978 INFO L93 Difference]: Finished difference Result 628 states and 863 transitions. [2019-10-22 11:26:20,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:26:20,979 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:26:20,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:20,981 INFO L225 Difference]: With dead ends: 628 [2019-10-22 11:26:20,981 INFO L226 Difference]: Without dead ends: 470 [2019-10-22 11:26:20,982 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:20,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-10-22 11:26:20,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 164. [2019-10-22 11:26:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-10-22 11:26:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2019-10-22 11:26:20,997 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2019-10-22 11:26:20,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:20,997 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2019-10-22 11:26:20,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2019-10-22 11:26:20,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:26:20,999 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:20,999 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:20,999 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:20,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:20,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1934711389, now seen corresponding path program 1 times [2019-10-22 11:26:20,999 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:21,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824503881] [2019-10-22 11:26:21,000 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,000 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:21,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824503881] [2019-10-22 11:26:21,053 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:21,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:21,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220825624] [2019-10-22 11:26:21,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:21,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:21,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:21,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:21,055 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand 5 states. [2019-10-22 11:26:21,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:21,155 INFO L93 Difference]: Finished difference Result 431 states and 579 transitions. [2019-10-22 11:26:21,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:26:21,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:26:21,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:21,158 INFO L225 Difference]: With dead ends: 431 [2019-10-22 11:26:21,158 INFO L226 Difference]: Without dead ends: 274 [2019-10-22 11:26:21,158 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:21,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-10-22 11:26:21,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 176. [2019-10-22 11:26:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-10-22 11:26:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2019-10-22 11:26:21,176 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2019-10-22 11:26:21,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:21,177 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2019-10-22 11:26:21,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2019-10-22 11:26:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:26:21,178 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:21,179 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:21,179 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:21,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:21,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1347905375, now seen corresponding path program 1 times [2019-10-22 11:26:21,179 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:21,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701509497] [2019-10-22 11:26:21,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:21,222 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701509497] [2019-10-22 11:26:21,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:21,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:21,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900074061] [2019-10-22 11:26:21,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:21,223 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:21,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:21,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:21,224 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand 3 states. [2019-10-22 11:26:21,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:21,262 INFO L93 Difference]: Finished difference Result 397 states and 529 transitions. [2019-10-22 11:26:21,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:21,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 11:26:21,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:21,264 INFO L225 Difference]: With dead ends: 397 [2019-10-22 11:26:21,264 INFO L226 Difference]: Without dead ends: 228 [2019-10-22 11:26:21,265 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-10-22 11:26:21,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-10-22 11:26:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-10-22 11:26:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2019-10-22 11:26:21,329 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 34 [2019-10-22 11:26:21,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:21,330 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2019-10-22 11:26:21,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:21,338 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2019-10-22 11:26:21,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:26:21,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:21,340 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:21,340 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:21,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:21,341 INFO L82 PathProgramCache]: Analyzing trace with hash -48040801, now seen corresponding path program 1 times [2019-10-22 11:26:21,342 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:21,346 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941890856] [2019-10-22 11:26:21,347 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,347 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:21,397 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941890856] [2019-10-22 11:26:21,397 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:21,397 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:21,397 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094282902] [2019-10-22 11:26:21,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:21,398 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:21,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:21,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:21,399 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2019-10-22 11:26:21,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:21,441 INFO L93 Difference]: Finished difference Result 365 states and 479 transitions. [2019-10-22 11:26:21,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:21,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-22 11:26:21,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:21,443 INFO L225 Difference]: With dead ends: 365 [2019-10-22 11:26:21,443 INFO L226 Difference]: Without dead ends: 363 [2019-10-22 11:26:21,444 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:21,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2019-10-22 11:26:21,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 282. [2019-10-22 11:26:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-10-22 11:26:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 376 transitions. [2019-10-22 11:26:21,469 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 376 transitions. Word has length 35 [2019-10-22 11:26:21,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:21,469 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 376 transitions. [2019-10-22 11:26:21,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 376 transitions. [2019-10-22 11:26:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 11:26:21,470 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:21,471 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:21,471 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:21,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:21,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1372309068, now seen corresponding path program 1 times [2019-10-22 11:26:21,472 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:21,472 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259462775] [2019-10-22 11:26:21,472 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,472 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:21,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:21,529 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259462775] [2019-10-22 11:26:21,529 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853394190] [2019-10-22 11:26:21,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:21,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:26:21,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:21,678 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:21,702 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:26:21,702 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2019-10-22 11:26:21,702 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207019548] [2019-10-22 11:26:21,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:21,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:21,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:21,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:21,703 INFO L87 Difference]: Start difference. First operand 282 states and 376 transitions. Second operand 3 states. [2019-10-22 11:26:21,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:21,768 INFO L93 Difference]: Finished difference Result 436 states and 593 transitions. [2019-10-22 11:26:21,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:21,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-22 11:26:21,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:21,771 INFO L225 Difference]: With dead ends: 436 [2019-10-22 11:26:21,771 INFO L226 Difference]: Without dead ends: 213 [2019-10-22 11:26:21,771 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:21,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-10-22 11:26:21,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2019-10-22 11:26:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-10-22 11:26:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2019-10-22 11:26:21,794 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 60 [2019-10-22 11:26:21,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:21,795 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2019-10-22 11:26:21,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2019-10-22 11:26:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 11:26:21,797 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:21,797 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:26:21,998 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:21,998 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:21,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:21,998 INFO L82 PathProgramCache]: Analyzing trace with hash 777418342, now seen corresponding path program 1 times [2019-10-22 11:26:21,999 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:21,999 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211250280] [2019-10-22 11:26:21,999 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,999 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:21,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 11:26:22,079 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211250280] [2019-10-22 11:26:22,079 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638372394] [2019-10-22 11:26:22,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:22,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:26:22,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:26:22,242 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:26:22,299 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:26:22,299 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 12 [2019-10-22 11:26:22,299 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244672004] [2019-10-22 11:26:22,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:22,300 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:22,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:22,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:26:22,300 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand 6 states. [2019-10-22 11:26:22,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:22,493 INFO L93 Difference]: Finished difference Result 678 states and 879 transitions. [2019-10-22 11:26:22,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:26:22,496 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-10-22 11:26:22,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:22,496 INFO L225 Difference]: With dead ends: 678 [2019-10-22 11:26:22,496 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:22,497 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 120 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-10-22 11:26:22,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:22,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:22,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-10-22 11:26:22,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:22,498 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:22,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:22,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:22,701 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:26:22,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:23,356 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-10-22 11:26:23,628 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 22 [2019-10-22 11:26:23,773 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2019-10-22 11:26:24,053 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2019-10-22 11:26:24,356 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-10-22 11:26:24,603 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-10-22 11:26:24,833 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-10-22 11:26:24,842 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 867) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L863-3(lines 863 867) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L863-6(lines 863 867) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-1(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-2(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-3(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-4(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-5(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-6(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-7(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-8(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-9(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-10(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,843 INFO L443 ceAbstractionStarter]: For program point L533-11(lines 533 550) no Hoare annotation was computed. [2019-10-22 11:26:24,844 INFO L439 ceAbstractionStarter]: At program point L501(lines 500 519) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3 .cse6) (and .cse0 .cse4 .cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse4 (and .cse0 .cse1 .cse3)) (and (and .cse0 .cse2 .cse3) .cse5 .cse6))) [2019-10-22 11:26:24,844 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 501 507) no Hoare annotation was computed. [2019-10-22 11:26:24,844 INFO L439 ceAbstractionStarter]: At program point L501-2(lines 500 519) the Hoare annotation is: false [2019-10-22 11:26:24,844 INFO L439 ceAbstractionStarter]: At program point L501-3(lines 500 519) the Hoare annotation is: false [2019-10-22 11:26:24,844 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-10-22 11:26:24,844 INFO L439 ceAbstractionStarter]: At program point L73-1(lines 73 79) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and .cse0 .cse1 .cse2) .cse3) .cse4) (and (and (and .cse0 .cse2) .cse3) .cse5 .cse6 .cse4) (and .cse0 .cse7 .cse5 .cse6 .cse2) (and .cse0 .cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse4))) [2019-10-22 11:26:24,845 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2019-10-22 11:26:24,845 INFO L439 ceAbstractionStarter]: At program point L734-1(lines 1 993) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and .cse0 .cse1 .cse2) .cse3) .cse4) (and (and (and .cse0 .cse2) .cse3) .cse5 .cse6 .cse4) (and .cse0 .cse7 .cse5 .cse6 .cse2) (and .cse0 .cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse4))) [2019-10-22 11:26:24,845 INFO L439 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: false [2019-10-22 11:26:24,845 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 751) no Hoare annotation was computed. [2019-10-22 11:26:24,845 INFO L439 ceAbstractionStarter]: At program point L734-3(lines 1 993) the Hoare annotation is: false [2019-10-22 11:26:24,845 INFO L443 ceAbstractionStarter]: For program point L734-4(lines 734 751) no Hoare annotation was computed. [2019-10-22 11:26:24,845 INFO L439 ceAbstractionStarter]: At program point L734-5(lines 1 993) the Hoare annotation is: false [2019-10-22 11:26:24,845 INFO L439 ceAbstractionStarter]: At program point L900(lines 895 903) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2019-10-22 11:26:24,846 INFO L439 ceAbstractionStarter]: At program point L900-1(lines 895 903) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse2) (and .cse0 .cse7 .cse5 .cse6 .cse2) (and .cse0 .cse7 .cse3 .cse4 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:26:24,846 INFO L439 ceAbstractionStarter]: At program point L900-2(lines 895 903) the Hoare annotation is: false [2019-10-22 11:26:24,846 INFO L439 ceAbstractionStarter]: At program point L900-3(lines 895 903) the Hoare annotation is: false [2019-10-22 11:26:24,846 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-10-22 11:26:24,847 INFO L439 ceAbstractionStarter]: At program point L900-4(lines 895 903) the Hoare annotation is: false [2019-10-22 11:26:24,847 INFO L439 ceAbstractionStarter]: At program point L900-5(lines 895 903) the Hoare annotation is: false [2019-10-22 11:26:24,847 INFO L443 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,847 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,847 INFO L443 ceAbstractionStarter]: For program point L537-2(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point L537-3(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point L537-4(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point L537-5(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point L537-6(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point L537-7(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point L537-8(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point L537-9(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point L537-10(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point L537-11(lines 537 545) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:26:24,848 INFO L439 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: false [2019-10-22 11:26:24,849 INFO L439 ceAbstractionStarter]: At program point L638(lines 633 641) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (<= 1 ~pumpRunning~0) .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:26:24,849 INFO L439 ceAbstractionStarter]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2019-10-22 11:26:24,849 INFO L439 ceAbstractionStarter]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2019-10-22 11:26:24,849 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 11:26:24,849 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 11:26:24,849 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 11:26:24,849 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-10-22 11:26:24,849 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2019-10-22 11:26:24,849 INFO L443 ceAbstractionStarter]: For program point L771-1(lines 501 507) no Hoare annotation was computed. [2019-10-22 11:26:24,849 INFO L443 ceAbstractionStarter]: For program point L738-2(lines 738 748) no Hoare annotation was computed. [2019-10-22 11:26:24,849 INFO L443 ceAbstractionStarter]: For program point L738-4(lines 738 748) no Hoare annotation was computed. [2019-10-22 11:26:24,850 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2019-10-22 11:26:24,850 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,850 INFO L443 ceAbstractionStarter]: For program point L739-2(lines 739 745) no Hoare annotation was computed. [2019-10-22 11:26:24,850 INFO L443 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,850 INFO L443 ceAbstractionStarter]: For program point L706-3(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,850 INFO L443 ceAbstractionStarter]: For program point L739-4(lines 739 745) no Hoare annotation was computed. [2019-10-22 11:26:24,850 INFO L443 ceAbstractionStarter]: For program point L706-5(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,850 INFO L439 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (and .cse0 .cse3)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (and .cse4 .cse5) .cse6) (and .cse1 .cse6 .cse4 (= 0 ~methAndRunningLastTime~0)) (and (and .cse0 .cse2 .cse3) .cse5)))) [2019-10-22 11:26:24,850 INFO L443 ceAbstractionStarter]: For program point L706-6(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,850 INFO L439 ceAbstractionStarter]: At program point L508-1(lines 508 514) the Hoare annotation is: false [2019-10-22 11:26:24,850 INFO L443 ceAbstractionStarter]: For program point L706-8(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L439 ceAbstractionStarter]: At program point L508-2(lines 508 514) the Hoare annotation is: false [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L706-9(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L706-11(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L706-12(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L706-14(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L706-15(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L706-17(lines 706 710) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L940-1(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L940-2(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L940-3(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L940-4(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,851 INFO L443 ceAbstractionStarter]: For program point L940-5(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L443 ceAbstractionStarter]: For program point L940-6(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L443 ceAbstractionStarter]: For program point L940-7(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L443 ceAbstractionStarter]: For program point L940-8(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L443 ceAbstractionStarter]: For program point L940-9(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L443 ceAbstractionStarter]: For program point L940-10(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L443 ceAbstractionStarter]: For program point L940-11(lines 940 946) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 879) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L446 ceAbstractionStarter]: At program point L842-1(lines 842 849) the Hoare annotation is: true [2019-10-22 11:26:24,852 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 11:26:24,852 INFO L439 ceAbstractionStarter]: At program point L83-1(lines 83 89) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse0 .cse5 .cse3) .cse2 .cse4) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse1 (and .cse0 .cse6 .cse3)) (and (and .cse0 .cse6 .cse5 .cse3) .cse4))) [2019-10-22 11:26:24,853 INFO L439 ceAbstractionStarter]: At program point L712(lines 697 715) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:24,853 INFO L439 ceAbstractionStarter]: At program point L712-1(lines 697 715) the Hoare annotation is: false [2019-10-22 11:26:24,853 INFO L439 ceAbstractionStarter]: At program point L712-2(lines 697 715) the Hoare annotation is: false [2019-10-22 11:26:24,853 INFO L439 ceAbstractionStarter]: At program point L712-3(lines 697 715) the Hoare annotation is: false [2019-10-22 11:26:24,853 INFO L439 ceAbstractionStarter]: At program point L712-4(lines 697 715) the Hoare annotation is: false [2019-10-22 11:26:24,853 INFO L439 ceAbstractionStarter]: At program point L712-5(lines 697 715) the Hoare annotation is: false [2019-10-22 11:26:24,853 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:24,853 INFO L439 ceAbstractionStarter]: At program point L945(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,853 INFO L439 ceAbstractionStarter]: At program point L945-1(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,853 INFO L439 ceAbstractionStarter]: At program point L945-2(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,854 INFO L439 ceAbstractionStarter]: At program point L945-3(lines 936 949) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse3 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:26:24,854 INFO L439 ceAbstractionStarter]: At program point L945-4(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,854 INFO L439 ceAbstractionStarter]: At program point L945-5(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,855 INFO L439 ceAbstractionStarter]: At program point L945-6(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,855 INFO L439 ceAbstractionStarter]: At program point L945-7(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,855 INFO L439 ceAbstractionStarter]: At program point L945-8(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,855 INFO L439 ceAbstractionStarter]: At program point L945-9(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,856 INFO L439 ceAbstractionStarter]: At program point L945-10(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,856 INFO L439 ceAbstractionStarter]: At program point L945-11(lines 936 949) the Hoare annotation is: false [2019-10-22 11:26:24,856 INFO L439 ceAbstractionStarter]: At program point L815(lines 811 817) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:26:24,856 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2019-10-22 11:26:24,856 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2019-10-22 11:26:24,856 INFO L443 ceAbstractionStarter]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2019-10-22 11:26:24,856 INFO L439 ceAbstractionStarter]: At program point L982(lines 1 993) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:26:24,856 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:24,856 INFO L446 ceAbstractionStarter]: At program point L851(lines 832 854) the Hoare annotation is: true [2019-10-22 11:26:24,856 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,856 INFO L443 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,856 INFO L443 ceAbstractionStarter]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-18(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-20(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,857 INFO L443 ceAbstractionStarter]: For program point L687-21(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L687-23(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L687-24(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L687-26(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L687-27(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L687-29(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L687-30(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L687-32(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L687-33(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L687-35(lines 687 691) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2019-10-22 11:26:24,858 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:24,859 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 891) no Hoare annotation was computed. [2019-10-22 11:26:24,859 INFO L439 ceAbstractionStarter]: At program point L723(lines 718 725) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:26:24,859 INFO L439 ceAbstractionStarter]: At program point L955(lines 950 958) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:24,859 INFO L439 ceAbstractionStarter]: At program point L955-1(lines 950 958) the Hoare annotation is: false [2019-10-22 11:26:24,859 INFO L439 ceAbstractionStarter]: At program point L955-2(lines 950 958) the Hoare annotation is: false [2019-10-22 11:26:24,859 INFO L439 ceAbstractionStarter]: At program point L955-3(lines 950 958) the Hoare annotation is: false [2019-10-22 11:26:24,859 INFO L439 ceAbstractionStarter]: At program point L955-4(lines 950 958) the Hoare annotation is: false [2019-10-22 11:26:24,859 INFO L439 ceAbstractionStarter]: At program point L955-5(lines 950 958) the Hoare annotation is: false [2019-10-22 11:26:24,859 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2019-10-22 11:26:24,859 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2019-10-22 11:26:24,859 INFO L443 ceAbstractionStarter]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2019-10-22 11:26:24,860 INFO L443 ceAbstractionStarter]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2019-10-22 11:26:24,860 INFO L443 ceAbstractionStarter]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2019-10-22 11:26:24,860 INFO L443 ceAbstractionStarter]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2019-10-22 11:26:24,860 INFO L443 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-10-22 11:26:24,860 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-22 11:26:24,860 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:24,860 INFO L439 ceAbstractionStarter]: At program point L990(lines 985 993) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:26:24,860 INFO L439 ceAbstractionStarter]: At program point L693(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,860 INFO L439 ceAbstractionStarter]: At program point L693-1(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,860 INFO L439 ceAbstractionStarter]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L693-3(lines 678 696) the Hoare annotation is: (let ((.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse3 (and (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7)) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2)))) [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L693-6(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L693-7(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L693-8(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L693-9(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L693-10(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L693-11(lines 678 696) the Hoare annotation is: false [2019-10-22 11:26:24,861 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-10-22 11:26:24,861 INFO L443 ceAbstractionStarter]: For program point L99-2(lines 501 507) no Hoare annotation was computed. [2019-10-22 11:26:24,861 INFO L439 ceAbstractionStarter]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2019-10-22 11:26:24,862 INFO L439 ceAbstractionStarter]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2019-10-22 11:26:24,862 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2019-10-22 11:26:24,862 INFO L439 ceAbstractionStarter]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2019-10-22 11:26:24,863 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2019-10-22 11:26:24,863 INFO L443 ceAbstractionStarter]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2019-10-22 11:26:24,863 INFO L443 ceAbstractionStarter]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2019-10-22 11:26:24,864 INFO L443 ceAbstractionStarter]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2019-10-22 11:26:24,864 INFO L443 ceAbstractionStarter]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2019-10-22 11:26:24,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:24 BoogieIcfgContainer [2019-10-22 11:26:24,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:24,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:24,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:24,888 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:24,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:19" (3/4) ... [2019-10-22 11:26:24,892 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:24,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:26:24,928 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:26:24,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:26:24,931 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:26:24,932 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:26:24,933 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:26:24,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:26:24,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:26:24,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || (1 <= pumpRunning && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:26:24,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || (1 <= pumpRunning && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-10-22 11:26:24,962 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 <= \result) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:26:24,963 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 11:26:24,963 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 11:26:24,964 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:26:24,964 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= methaneLevelCritical) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:26:24,965 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (1 <= methaneLevelCritical && ((((!(0 == tmp) && 0 == \result) && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 11:26:24,965 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter [2019-10-22 11:26:24,967 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter [2019-10-22 11:26:25,043 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_512158a0-185e-499d-b675-0265c93e1699/bin/utaipan/witness.graphml [2019-10-22 11:26:25,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:25,044 INFO L168 Benchmark]: Toolchain (without parser) took 7346.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 941.0 MB in the beginning and 1.0 GB in the end (delta: -91.6 MB). Peak memory consumption was 218.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:25,044 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:25,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:25,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.74 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:25,045 INFO L168 Benchmark]: Boogie Preprocessor took 62.66 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:25,045 INFO L168 Benchmark]: RCFGBuilder took 943.84 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: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:25,046 INFO L168 Benchmark]: TraceAbstraction took 5496.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -47.9 MB). Peak memory consumption was 323.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:25,046 INFO L168 Benchmark]: Witness Printer took 155.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:25,048 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 597.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.74 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.66 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 943.84 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: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5496.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -47.9 MB). Peak memory consumption was 323.1 MB. Max. memory is 11.5 GB. * Witness Printer took 155.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && 1 == systemActive && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 <= \result) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || (1 <= pumpRunning && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= methaneLevelCritical) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (1 <= methaneLevelCritical && ((((!(0 == tmp) && 0 == \result) && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || (1 <= pumpRunning && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 193 locations, 3 error locations. Result: SAFE, OverallTime: 5.4s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, HoareTripleCheckerStatistics: 1487 SDtfs, 1544 SDslu, 1926 SDs, 0 SdLazy, 271 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 257 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 722 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 229 NumberOfFragments, 798 HoareAnnotationTreeSize, 67 FomulaSimplifications, 123648 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 67 FomulaSimplificationsInter, 14098 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 537 NumberOfCodeBlocks, 537 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 65263 SizeOfPredicates, 7 NumberOfNonLiveVariables, 862 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 107/126 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...