./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.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_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/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 f23bb253fda469390163082e0c766ae9a3058c00 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:24:12,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:12,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:12,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:12,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:12,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:12,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:12,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:12,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:12,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:12,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:12,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:12,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:12,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:12,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:12,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:12,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:12,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:12,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:12,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:12,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:12,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:12,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:12,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:12,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:12,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:12,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:12,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:12,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:12,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:12,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:12,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:12,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:12,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:12,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:12,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:12,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:12,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:12,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:12,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:12,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:12,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:12,485 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:12,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:12,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:12,486 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:12,487 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:12,487 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:12,487 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:12,487 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:12,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:12,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:12,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:12,488 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:12,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:12,489 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:12,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:12,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:12,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:12,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:12,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:12,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:12,490 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:12,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:12,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:12,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:12,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:12,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:12,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:12,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:12,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:12,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:12,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:12,492 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:12,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:12,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:12,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:12,493 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_bb507158-e5d5-408c-b8ea-8070d163667b/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 -> f23bb253fda469390163082e0c766ae9a3058c00 [2019-10-22 11:24:12,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:12,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:12,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:12,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:12,541 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:12,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2019-10-22 11:24:12,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/data/fd0312dd5/2f851eceb694444bbb6c4bdecf2f36ac/FLAG9b3434bb9 [2019-10-22 11:24:13,077 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:13,078 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2019-10-22 11:24:13,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/data/fd0312dd5/2f851eceb694444bbb6c4bdecf2f36ac/FLAG9b3434bb9 [2019-10-22 11:24:13,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/data/fd0312dd5/2f851eceb694444bbb6c4bdecf2f36ac [2019-10-22 11:24:13,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:13,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:13,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:13,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:13,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:13,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6ff2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13, skipping insertion in model container [2019-10-22 11:24:13,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,463 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:13,503 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:13,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:13,853 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:13,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:14,009 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:14,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14 WrapperNode [2019-10-22 11:24:14,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:14,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:14,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:14,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:14,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:14,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:14,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:14,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:14,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:14,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:14,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:14,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:14,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/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 11:24:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:14,831 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:14,831 INFO L284 CfgBuilder]: Removed 70 assume(true) statements. [2019-10-22 11:24:14,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:14 BoogieIcfgContainer [2019-10-22 11:24:14,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:14,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:14,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:14,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:14,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:13" (1/3) ... [2019-10-22 11:24:14,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747a2a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:14, skipping insertion in model container [2019-10-22 11:24:14,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (2/3) ... [2019-10-22 11:24:14,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747a2a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:14, skipping insertion in model container [2019-10-22 11:24:14,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:14" (3/3) ... [2019-10-22 11:24:14,841 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2019-10-22 11:24:14,850 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:14,857 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:24:14,864 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:24:14,888 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:14,888 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:14,888 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:14,888 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:14,888 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:14,888 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:14,889 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:14,889 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-10-22 11:24:14,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:24:14,911 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:14,911 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:14,913 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:14,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:14,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2019-10-22 11:24:14,929 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:14,929 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312280508] [2019-10-22 11:24:14,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,191 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 11:24:15,191 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312280508] [2019-10-22 11:24:15,192 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,192 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:15,193 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427885774] [2019-10-22 11:24:15,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:15,200 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:15,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:15,217 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-10-22 11:24:15,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,250 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-10-22 11:24:15,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:15,253 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:24:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,263 INFO L225 Difference]: With dead ends: 112 [2019-10-22 11:24:15,264 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 11:24:15,267 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 11:24:15,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 11:24:15,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 11:24:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 11:24:15,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-10-22 11:24:15,313 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-10-22 11:24:15,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:15,314 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-10-22 11:24:15,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:15,314 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-10-22 11:24:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:24:15,315 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:15,315 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:15,315 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:15,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:15,317 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2019-10-22 11:24:15,317 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:15,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169042299] [2019-10-22 11:24:15,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,440 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 11:24:15,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169042299] [2019-10-22 11:24:15,441 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,441 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:15,441 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300794815] [2019-10-22 11:24:15,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:15,443 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:15,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:15,446 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-10-22 11:24:15,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,462 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-10-22 11:24:15,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:15,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:24:15,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,464 INFO L225 Difference]: With dead ends: 55 [2019-10-22 11:24:15,464 INFO L226 Difference]: Without dead ends: 29 [2019-10-22 11:24:15,465 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 11:24:15,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-22 11:24:15,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-22 11:24:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-22 11:24:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-10-22 11:24:15,471 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-10-22 11:24:15,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:15,472 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-10-22 11:24:15,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-10-22 11:24:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:24:15,473 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:15,473 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] [2019-10-22 11:24:15,473 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:15,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:15,474 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2019-10-22 11:24:15,474 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:15,474 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904980608] [2019-10-22 11:24:15,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,586 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 11:24:15,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904980608] [2019-10-22 11:24:15,587 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,587 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:15,587 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571339861] [2019-10-22 11:24:15,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:24:15,588 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:24:15,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:15,589 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2019-10-22 11:24:15,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,761 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2019-10-22 11:24:15,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:15,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 11:24:15,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,767 INFO L225 Difference]: With dead ends: 98 [2019-10-22 11:24:15,768 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 11:24:15,768 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:24:15,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 11:24:15,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2019-10-22 11:24:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-22 11:24:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-10-22 11:24:15,786 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-10-22 11:24:15,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:15,786 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-10-22 11:24:15,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:24:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-10-22 11:24:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:24:15,787 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:15,787 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] [2019-10-22 11:24:15,790 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:15,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:15,790 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2019-10-22 11:24:15,791 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:15,791 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777817910] [2019-10-22 11:24:15,791 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,791 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,880 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 11:24:15,881 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777817910] [2019-10-22 11:24:15,881 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,881 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:15,881 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119146409] [2019-10-22 11:24:15,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:15,882 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:15,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:15,883 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2019-10-22 11:24:16,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:16,027 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2019-10-22 11:24:16,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:24:16,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 11:24:16,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:16,032 INFO L225 Difference]: With dead ends: 214 [2019-10-22 11:24:16,032 INFO L226 Difference]: Without dead ends: 172 [2019-10-22 11:24:16,033 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 11:24:16,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-10-22 11:24:16,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2019-10-22 11:24:16,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-22 11:24:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2019-10-22 11:24:16,055 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2019-10-22 11:24:16,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:16,058 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2019-10-22 11:24:16,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2019-10-22 11:24:16,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:24:16,059 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:16,059 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] [2019-10-22 11:24:16,060 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:16,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:16,060 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2019-10-22 11:24:16,060 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:16,060 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686485123] [2019-10-22 11:24:16,061 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:16,149 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 11:24:16,149 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686485123] [2019-10-22 11:24:16,149 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:16,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:16,150 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046709149] [2019-10-22 11:24:16,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:16,150 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:16,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:16,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:16,151 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2019-10-22 11:24:16,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:16,242 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2019-10-22 11:24:16,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:16,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:24:16,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:16,244 INFO L225 Difference]: With dead ends: 268 [2019-10-22 11:24:16,245 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:16,246 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 11:24:16,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:16,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:16,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:16,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-10-22 11:24:16,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:16,247 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:16,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:16,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:16,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:16,526 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 11:24:16,526 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2019-10-22 11:24:16,527 INFO L439 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:16,527 INFO L439 ceAbstractionStarter]: At program point L201-1(lines 201 207) the Hoare annotation is: false [2019-10-22 11:24:16,527 INFO L439 ceAbstractionStarter]: At program point L201-2(lines 201 207) the Hoare annotation is: false [2019-10-22 11:24:16,527 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:16,527 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 11:24:16,528 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 380) no Hoare annotation was computed. [2019-10-22 11:24:16,528 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:16,528 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 438) no Hoare annotation was computed. [2019-10-22 11:24:16,528 INFO L439 ceAbstractionStarter]: At program point L385(lines 336 386) the Hoare annotation is: false [2019-10-22 11:24:16,528 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 11:24:16,529 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 194 200) no Hoare annotation was computed. [2019-10-22 11:24:16,529 INFO L439 ceAbstractionStarter]: At program point L271(lines 266 274) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:16,529 INFO L439 ceAbstractionStarter]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-10-22 11:24:16,529 INFO L439 ceAbstractionStarter]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-10-22 11:24:16,529 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 11:24:16,530 INFO L443 ceAbstractionStarter]: For program point L338(lines 337 384) no Hoare annotation was computed. [2019-10-22 11:24:16,530 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:16,530 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-10-22 11:24:16,530 INFO L439 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:16,530 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-22 11:24:16,530 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 379) no Hoare annotation was computed. [2019-10-22 11:24:16,531 INFO L439 ceAbstractionStarter]: At program point L373-1(lines 194 200) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:16,531 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-10-22 11:24:16,531 INFO L439 ceAbstractionStarter]: At program point L357-1(lines 357 363) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:16,531 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:16,531 INFO L439 ceAbstractionStarter]: At program point L194(lines 193 212) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:16,532 INFO L443 ceAbstractionStarter]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2019-10-22 11:24:16,532 INFO L439 ceAbstractionStarter]: At program point L194-2(lines 193 212) the Hoare annotation is: false [2019-10-22 11:24:16,532 INFO L439 ceAbstractionStarter]: At program point L194-3(lines 193 212) the Hoare annotation is: false [2019-10-22 11:24:16,532 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2019-10-22 11:24:16,532 INFO L443 ceAbstractionStarter]: For program point L492(lines 492 505) no Hoare annotation was computed. [2019-10-22 11:24:16,533 INFO L439 ceAbstractionStarter]: At program point L492-1(lines 1 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:16,533 INFO L443 ceAbstractionStarter]: For program point L492-2(lines 492 505) no Hoare annotation was computed. [2019-10-22 11:24:16,533 INFO L439 ceAbstractionStarter]: At program point L492-3(lines 1 874) the Hoare annotation is: false [2019-10-22 11:24:16,533 INFO L443 ceAbstractionStarter]: For program point L492-4(lines 492 505) no Hoare annotation was computed. [2019-10-22 11:24:16,533 INFO L439 ceAbstractionStarter]: At program point L492-5(lines 1 874) the Hoare annotation is: false [2019-10-22 11:24:16,533 INFO L443 ceAbstractionStarter]: For program point L410(lines 410 414) no Hoare annotation was computed. [2019-10-22 11:24:16,534 INFO L443 ceAbstractionStarter]: For program point L410-3(lines 410 414) no Hoare annotation was computed. [2019-10-22 11:24:16,534 INFO L443 ceAbstractionStarter]: For program point L410-6(lines 410 414) no Hoare annotation was computed. [2019-10-22 11:24:16,534 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 11:24:16,534 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 11:24:16,534 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:16,534 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-22 11:24:16,535 INFO L439 ceAbstractionStarter]: At program point L347-1(lines 347 353) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:16,535 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-10-22 11:24:16,535 INFO L443 ceAbstractionStarter]: For program point L496-2(lines 496 502) no Hoare annotation was computed. [2019-10-22 11:24:16,535 INFO L443 ceAbstractionStarter]: For program point L496-4(lines 496 502) no Hoare annotation was computed. [2019-10-22 11:24:16,535 INFO L439 ceAbstractionStarter]: At program point L166(lines 1 874) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:24:16,536 INFO L439 ceAbstractionStarter]: At program point L447(lines 442 450) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:16,536 INFO L439 ceAbstractionStarter]: At program point L447-1(lines 442 450) the Hoare annotation is: false [2019-10-22 11:24:16,536 INFO L439 ceAbstractionStarter]: At program point L447-2(lines 442 450) the Hoare annotation is: false [2019-10-22 11:24:16,536 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 321) no Hoare annotation was computed. [2019-10-22 11:24:16,536 INFO L439 ceAbstractionStarter]: At program point L315-1(lines 315 321) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:16,537 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2019-10-22 11:24:16,537 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-22 11:24:16,537 INFO L443 ceAbstractionStarter]: For program point L398-1(line 398) no Hoare annotation was computed. [2019-10-22 11:24:16,537 INFO L443 ceAbstractionStarter]: For program point L398-2(line 398) no Hoare annotation was computed. [2019-10-22 11:24:16,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:16 BoogieIcfgContainer [2019-10-22 11:24:16,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:16,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:16,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:16,555 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:16,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:14" (3/4) ... [2019-10-22 11:24:16,560 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:16,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:24:16,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:24:16,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:24:16,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:24:16,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:16,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:16,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:24:16,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:24:16,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:16,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb507158-e5d5-408c-b8ea-8070d163667b/bin/utaipan/witness.graphml [2019-10-22 11:24:16,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:16,668 INFO L168 Benchmark]: Toolchain (without parser) took 3220.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 941.0 MB in the beginning and 888.0 MB in the end (delta: 53.0 MB). Peak memory consumption was 160.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,668 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:16,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,669 INFO L168 Benchmark]: Boogie Preprocessor took 37.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:16,669 INFO L168 Benchmark]: RCFGBuilder took 724.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,670 INFO L168 Benchmark]: TraceAbstraction took 1721.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 894.9 MB in the end (delta: 138.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,670 INFO L168 Benchmark]: Witness Printer took 110.33 ms. Allocated memory is still 1.1 GB. Free memory was 894.9 MB in the beginning and 888.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 559.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 724.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1721.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 894.9 MB in the end (delta: 138.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.33 ms. Allocated memory is still 1.1 GB. Free memory was 894.9 MB in the beginning and 888.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 398]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 398]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 398]: 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: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 268 SDtfs, 396 SDslu, 428 SDs, 0 SdLazy, 56 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 119 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4452 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...