./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.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_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:11,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:11,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:11,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:11,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:11,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:11,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:11,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:11,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:11,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:11,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:11,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:11,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:11,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:11,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:11,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:11,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:11,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:11,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:11,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:11,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:11,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:11,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:11,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:11,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:11,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:11,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:11,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:11,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:11,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:11,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:11,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:11,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:11,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:11,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:11,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:11,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:11,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:11,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:11,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:11,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:11,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:11,222 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:11,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:11,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:11,223 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:11,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:11,224 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:11,224 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:11,224 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:11,224 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:11,224 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:11,224 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:11,225 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:11,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:11,225 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:11,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:11,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:11,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:11,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:11,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:11,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:11,226 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:11,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:11,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:11,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:11,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:11,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:11,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:11,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:11,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:11,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:11,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:11,228 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:11,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:11,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:11,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:11,229 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_45a8282b-38d7-4e78-9866-1b6576aaf988/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2019-10-22 11:23:11,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:11,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:11,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:11,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:11,270 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:11,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-10-22 11:23:11,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/data/5e87c2974/67a3f5fac52a42b5b285d2e1391913e9/FLAG1245d8ab4 [2019-10-22 11:23:11,733 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:11,734 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-10-22 11:23:11,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/data/5e87c2974/67a3f5fac52a42b5b285d2e1391913e9/FLAG1245d8ab4 [2019-10-22 11:23:12,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/data/5e87c2974/67a3f5fac52a42b5b285d2e1391913e9 [2019-10-22 11:23:12,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:12,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:12,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:12,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:12,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:12,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0c4c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12, skipping insertion in model container [2019-10-22 11:23:12,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,137 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:12,179 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:12,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:12,574 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:12,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:12,667 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:12,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12 WrapperNode [2019-10-22 11:23:12,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:12,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:12,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:12,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:12,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:12,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:12,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:12,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:12,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:12,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:12,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:12,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:12,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/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 11:23:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:13,507 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:13,508 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-10-22 11:23:13,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:13 BoogieIcfgContainer [2019-10-22 11:23:13,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:13,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:13,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:13,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:13,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:12" (1/3) ... [2019-10-22 11:23:13,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f47bed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:13, skipping insertion in model container [2019-10-22 11:23:13,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12" (2/3) ... [2019-10-22 11:23:13,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f47bed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:13, skipping insertion in model container [2019-10-22 11:23:13,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:13" (3/3) ... [2019-10-22 11:23:13,517 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2019-10-22 11:23:13,527 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:13,534 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:13,546 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:13,580 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:13,581 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:13,581 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:13,581 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:13,581 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:13,581 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:13,582 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:13,582 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:13,596 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-10-22 11:23:13,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:23:13,602 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:13,603 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 11:23:13,604 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:13,609 INFO L82 PathProgramCache]: Analyzing trace with hash 631358255, now seen corresponding path program 1 times [2019-10-22 11:23:13,614 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:13,614 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442359577] [2019-10-22 11:23:13,615 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:13,615 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:13,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:13,785 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 11:23:13,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442359577] [2019-10-22 11:23:13,786 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:13,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:13,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902550700] [2019-10-22 11:23:13,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:13,792 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:13,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:13,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:13,810 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-10-22 11:23:13,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:13,834 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2019-10-22 11:23:13,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:13,835 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:23:13,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:13,844 INFO L225 Difference]: With dead ends: 211 [2019-10-22 11:23:13,844 INFO L226 Difference]: Without dead ends: 105 [2019-10-22 11:23:13,846 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 11:23:13,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-22 11:23:13,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-10-22 11:23:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-22 11:23:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-10-22 11:23:13,883 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2019-10-22 11:23:13,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:13,883 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-10-22 11:23:13,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-10-22 11:23:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:23:13,885 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:13,885 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 11:23:13,885 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:13,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:13,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1546440637, now seen corresponding path program 1 times [2019-10-22 11:23:13,886 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:13,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497284212] [2019-10-22 11:23:13,886 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:13,886 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:13,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:14,010 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 11:23:14,010 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497284212] [2019-10-22 11:23:14,010 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:14,010 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:14,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897186999] [2019-10-22 11:23:14,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:14,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:14,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:14,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:14,012 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2019-10-22 11:23:14,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:14,023 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2019-10-22 11:23:14,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:14,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:23:14,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:14,025 INFO L225 Difference]: With dead ends: 105 [2019-10-22 11:23:14,025 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 11:23:14,026 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 11:23:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 11:23:14,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 11:23:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 11:23:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-10-22 11:23:14,032 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2019-10-22 11:23:14,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:14,032 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-10-22 11:23:14,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-10-22 11:23:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:14,033 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:14,033 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 11:23:14,034 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:14,034 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2019-10-22 11:23:14,034 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:14,034 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581221971] [2019-10-22 11:23:14,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:14,035 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:14,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:14,152 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 11:23:14,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581221971] [2019-10-22 11:23:14,153 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:14,153 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:14,153 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228584097] [2019-10-22 11:23:14,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:14,154 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:14,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:14,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:14,154 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2019-10-22 11:23:14,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:14,237 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2019-10-22 11:23:14,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:14,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 11:23:14,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:14,238 INFO L225 Difference]: With dead ends: 83 [2019-10-22 11:23:14,238 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 11:23:14,239 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 11:23:14,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 11:23:14,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 11:23:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 11:23:14,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2019-10-22 11:23:14,244 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2019-10-22 11:23:14,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:14,244 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2019-10-22 11:23:14,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-10-22 11:23:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:23:14,245 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:14,245 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] [2019-10-22 11:23:14,245 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:14,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:14,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2019-10-22 11:23:14,246 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:14,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796340665] [2019-10-22 11:23:14,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:14,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:14,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:14,314 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 11:23:14,314 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796340665] [2019-10-22 11:23:14,315 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:14,315 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:14,315 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488775637] [2019-10-22 11:23:14,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:14,315 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:14,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:14,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:14,316 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2019-10-22 11:23:14,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:14,437 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2019-10-22 11:23:14,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:23:14,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:23:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:14,442 INFO L225 Difference]: With dead ends: 207 [2019-10-22 11:23:14,442 INFO L226 Difference]: Without dead ends: 169 [2019-10-22 11:23:14,442 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 11:23:14,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-22 11:23:14,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-10-22 11:23:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-22 11:23:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2019-10-22 11:23:14,457 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2019-10-22 11:23:14,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:14,457 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2019-10-22 11:23:14,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2019-10-22 11:23:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:23:14,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:14,458 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 11:23:14,458 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:14,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:14,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2019-10-22 11:23:14,459 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:14,459 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403864467] [2019-10-22 11:23:14,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:14,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:14,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:14,533 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 11:23:14,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403864467] [2019-10-22 11:23:14,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:14,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:14,534 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943313376] [2019-10-22 11:23:14,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:14,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:14,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:14,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:14,535 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2019-10-22 11:23:14,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:14,613 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2019-10-22 11:23:14,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:14,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 11:23:14,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:14,614 INFO L225 Difference]: With dead ends: 176 [2019-10-22 11:23:14,614 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:14,615 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 11:23:14,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:14,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:14,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-10-22 11:23:14,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:14,616 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:14,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:14,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:14,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:14,859 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-10-22 11:23:14,859 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 748) no Hoare annotation was computed. [2019-10-22 11:23:14,859 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 731 748) no Hoare annotation was computed. [2019-10-22 11:23:14,859 INFO L443 ceAbstractionStarter]: For program point L731-2(lines 731 748) no Hoare annotation was computed. [2019-10-22 11:23:14,860 INFO L443 ceAbstractionStarter]: For program point L731-3(lines 731 748) no Hoare annotation was computed. [2019-10-22 11:23:14,860 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-10-22 11:23:14,860 INFO L443 ceAbstractionStarter]: For program point L731-4(lines 731 748) no Hoare annotation was computed. [2019-10-22 11:23:14,860 INFO L443 ceAbstractionStarter]: For program point L731-5(lines 731 748) no Hoare annotation was computed. [2019-10-22 11:23:14,860 INFO L439 ceAbstractionStarter]: At program point L699(lines 698 717) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:14,861 INFO L443 ceAbstractionStarter]: For program point L699-1(lines 699 705) no Hoare annotation was computed. [2019-10-22 11:23:14,861 INFO L439 ceAbstractionStarter]: At program point L699-2(lines 698 717) the Hoare annotation is: false [2019-10-22 11:23:14,861 INFO L439 ceAbstractionStarter]: At program point L600(lines 595 603) the Hoare annotation is: false [2019-10-22 11:23:14,861 INFO L439 ceAbstractionStarter]: At program point L699-3(lines 698 717) the Hoare annotation is: false [2019-10-22 11:23:14,861 INFO L439 ceAbstractionStarter]: At program point L600-1(lines 595 603) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:14,861 INFO L439 ceAbstractionStarter]: At program point L600-2(lines 595 603) the Hoare annotation is: false [2019-10-22 11:23:14,861 INFO L439 ceAbstractionStarter]: At program point L600-3(lines 595 603) the Hoare annotation is: false [2019-10-22 11:23:14,862 INFO L439 ceAbstractionStarter]: At program point L600-4(lines 595 603) the Hoare annotation is: false [2019-10-22 11:23:14,862 INFO L439 ceAbstractionStarter]: At program point L600-5(lines 595 603) the Hoare annotation is: false [2019-10-22 11:23:14,862 INFO L439 ceAbstractionStarter]: At program point L865(lines 850 868) the Hoare annotation is: false [2019-10-22 11:23:14,862 INFO L439 ceAbstractionStarter]: At program point L865-1(lines 850 868) the Hoare annotation is: false [2019-10-22 11:23:14,862 INFO L439 ceAbstractionStarter]: At program point L865-2(lines 850 868) the Hoare annotation is: false [2019-10-22 11:23:14,862 INFO L439 ceAbstractionStarter]: At program point L865-3(lines 850 868) the Hoare annotation is: false [2019-10-22 11:23:14,862 INFO L439 ceAbstractionStarter]: At program point L865-4(lines 850 868) the Hoare annotation is: false [2019-10-22 11:23:14,862 INFO L439 ceAbstractionStarter]: At program point L865-5(lines 850 868) the Hoare annotation is: false [2019-10-22 11:23:14,863 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2019-10-22 11:23:14,863 INFO L439 ceAbstractionStarter]: At program point L900-1(lines 900 906) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:14,863 INFO L439 ceAbstractionStarter]: At program point L801(lines 794 804) the Hoare annotation is: false [2019-10-22 11:23:14,863 INFO L439 ceAbstractionStarter]: At program point L801-1(lines 794 804) the Hoare annotation is: false [2019-10-22 11:23:14,863 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 743) no Hoare annotation was computed. [2019-10-22 11:23:14,864 INFO L439 ceAbstractionStarter]: At program point L801-2(lines 794 804) the Hoare annotation is: false [2019-10-22 11:23:14,864 INFO L443 ceAbstractionStarter]: For program point L735-1(lines 735 743) no Hoare annotation was computed. [2019-10-22 11:23:14,864 INFO L443 ceAbstractionStarter]: For program point L735-2(lines 735 743) no Hoare annotation was computed. [2019-10-22 11:23:14,864 INFO L443 ceAbstractionStarter]: For program point L735-3(lines 735 743) no Hoare annotation was computed. [2019-10-22 11:23:14,865 INFO L443 ceAbstractionStarter]: For program point L735-4(lines 735 743) no Hoare annotation was computed. [2019-10-22 11:23:14,865 INFO L443 ceAbstractionStarter]: For program point L735-5(lines 735 743) no Hoare annotation was computed. [2019-10-22 11:23:14,865 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-10-22 11:23:14,865 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 546) no Hoare annotation was computed. [2019-10-22 11:23:14,865 INFO L446 ceAbstractionStarter]: At program point L539-1(lines 539 546) the Hoare annotation is: true [2019-10-22 11:23:14,866 INFO L439 ceAbstractionStarter]: At program point L706(lines 706 712) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:14,866 INFO L439 ceAbstractionStarter]: At program point L706-1(lines 706 712) the Hoare annotation is: false [2019-10-22 11:23:14,866 INFO L439 ceAbstractionStarter]: At program point L706-2(lines 706 712) the Hoare annotation is: false [2019-10-22 11:23:14,866 INFO L439 ceAbstractionStarter]: At program point L641(lines 636 644) the Hoare annotation is: false [2019-10-22 11:23:14,866 INFO L439 ceAbstractionStarter]: At program point L641-1(lines 636 644) the Hoare annotation is: false [2019-10-22 11:23:14,866 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 579) no Hoare annotation was computed. [2019-10-22 11:23:14,866 INFO L439 ceAbstractionStarter]: At program point L641-2(lines 636 644) the Hoare annotation is: false [2019-10-22 11:23:14,867 INFO L439 ceAbstractionStarter]: At program point L641-3(lines 636 644) the Hoare annotation is: false [2019-10-22 11:23:14,867 INFO L439 ceAbstractionStarter]: At program point L641-4(lines 636 644) the Hoare annotation is: false [2019-10-22 11:23:14,867 INFO L439 ceAbstractionStarter]: At program point L641-5(lines 636 644) the Hoare annotation is: false [2019-10-22 11:23:14,867 INFO L439 ceAbstractionStarter]: At program point L511(lines 507 513) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:14,867 INFO L439 ceAbstractionStarter]: At program point L677(lines 1 933) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:14,868 INFO L439 ceAbstractionStarter]: At program point L810(lines 805 813) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:14,868 INFO L439 ceAbstractionStarter]: At program point L810-1(lines 805 813) the Hoare annotation is: false [2019-10-22 11:23:14,868 INFO L439 ceAbstractionStarter]: At program point L810-2(lines 805 813) the Hoare annotation is: false [2019-10-22 11:23:14,868 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 921) no Hoare annotation was computed. [2019-10-22 11:23:14,869 INFO L439 ceAbstractionStarter]: At program point L415(lines 410 417) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:14,869 INFO L446 ceAbstractionStarter]: At program point L548(lines 529 551) the Hoare annotation is: true [2019-10-22 11:23:14,869 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:14,869 INFO L443 ceAbstractionStarter]: For program point L881(lines 880 925) no Hoare annotation was computed. [2019-10-22 11:23:14,869 INFO L443 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2019-10-22 11:23:14,869 INFO L443 ceAbstractionStarter]: For program point L650-1(line 650) no Hoare annotation was computed. [2019-10-22 11:23:14,869 INFO L443 ceAbstractionStarter]: For program point L650-2(line 650) no Hoare annotation was computed. [2019-10-22 11:23:14,870 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 886) no Hoare annotation was computed. [2019-10-22 11:23:14,870 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 920) no Hoare annotation was computed. [2019-10-22 11:23:14,870 INFO L443 ceAbstractionStarter]: For program point L916-2(lines 699 705) no Hoare annotation was computed. [2019-10-22 11:23:14,870 INFO L439 ceAbstractionStarter]: At program point L685(lines 680 688) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:14,870 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:14,870 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-10-22 11:23:14,870 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:14,870 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 443) no Hoare annotation was computed. [2019-10-22 11:23:14,871 INFO L439 ceAbstractionStarter]: At program point L426-1(lines 1 933) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:14,871 INFO L443 ceAbstractionStarter]: For program point L426-2(lines 426 443) no Hoare annotation was computed. [2019-10-22 11:23:14,871 INFO L439 ceAbstractionStarter]: At program point L426-3(lines 1 933) the Hoare annotation is: false [2019-10-22 11:23:14,871 INFO L443 ceAbstractionStarter]: For program point L426-4(lines 426 443) no Hoare annotation was computed. [2019-10-22 11:23:14,871 INFO L439 ceAbstractionStarter]: At program point L426-5(lines 1 933) the Hoare annotation is: false [2019-10-22 11:23:14,871 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 774) no Hoare annotation was computed. [2019-10-22 11:23:14,871 INFO L443 ceAbstractionStarter]: For program point L757-1(lines 757 774) no Hoare annotation was computed. [2019-10-22 11:23:14,871 INFO L443 ceAbstractionStarter]: For program point L757-2(lines 757 774) no Hoare annotation was computed. [2019-10-22 11:23:14,872 INFO L439 ceAbstractionStarter]: At program point L460-2(lines 460 474) the Hoare annotation is: false [2019-10-22 11:23:14,872 INFO L443 ceAbstractionStarter]: For program point L890(lines 890 896) no Hoare annotation was computed. [2019-10-22 11:23:14,872 INFO L439 ceAbstractionStarter]: At program point L890-1(lines 890 896) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:14,872 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-22 11:23:14,872 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:14,872 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,872 INFO L443 ceAbstractionStarter]: For program point L859-2(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,872 INFO L443 ceAbstractionStarter]: For program point L859-3(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,873 INFO L443 ceAbstractionStarter]: For program point L859-5(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,873 INFO L443 ceAbstractionStarter]: For program point L859-6(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,873 INFO L443 ceAbstractionStarter]: For program point L859-8(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,873 INFO L443 ceAbstractionStarter]: For program point L859-9(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,873 INFO L443 ceAbstractionStarter]: For program point L859-11(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,873 INFO L443 ceAbstractionStarter]: For program point L859-12(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,873 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 440) no Hoare annotation was computed. [2019-10-22 11:23:14,873 INFO L443 ceAbstractionStarter]: For program point L859-14(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,873 INFO L443 ceAbstractionStarter]: For program point L430-2(lines 430 440) no Hoare annotation was computed. [2019-10-22 11:23:14,874 INFO L443 ceAbstractionStarter]: For program point L859-15(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,874 INFO L443 ceAbstractionStarter]: For program point L859-17(lines 859 863) no Hoare annotation was computed. [2019-10-22 11:23:14,874 INFO L443 ceAbstractionStarter]: For program point L430-4(lines 430 440) no Hoare annotation was computed. [2019-10-22 11:23:14,874 INFO L439 ceAbstractionStarter]: At program point L926(lines 879 927) the Hoare annotation is: false [2019-10-22 11:23:14,874 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 769) no Hoare annotation was computed. [2019-10-22 11:23:14,874 INFO L443 ceAbstractionStarter]: For program point L761-1(lines 761 769) no Hoare annotation was computed. [2019-10-22 11:23:14,874 INFO L443 ceAbstractionStarter]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2019-10-22 11:23:14,874 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2019-10-22 11:23:14,874 INFO L443 ceAbstractionStarter]: For program point L563-3(lines 563 567) no Hoare annotation was computed. [2019-10-22 11:23:14,875 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 468) no Hoare annotation was computed. [2019-10-22 11:23:14,875 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 437) no Hoare annotation was computed. [2019-10-22 11:23:14,875 INFO L443 ceAbstractionStarter]: For program point L464-1(lines 699 705) no Hoare annotation was computed. [2019-10-22 11:23:14,875 INFO L443 ceAbstractionStarter]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2019-10-22 11:23:14,875 INFO L443 ceAbstractionStarter]: For program point L563-6(lines 563 567) no Hoare annotation was computed. [2019-10-22 11:23:14,875 INFO L443 ceAbstractionStarter]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2019-10-22 11:23:14,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:14 BoogieIcfgContainer [2019-10-22 11:23:14,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:14,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:14,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:14,894 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:14,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:13" (3/4) ... [2019-10-22 11:23:14,898 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:14,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:23:14,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:23:14,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:23:14,916 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:14,917 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:14,917 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:23:14,946 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:23:14,946 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:23:14,946 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:23:14,946 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:14,947 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:14,947 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:14,948 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:14,948 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:14,949 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:14,950 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:15,029 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45a8282b-38d7-4e78-9866-1b6576aaf988/bin/utaipan/witness.graphml [2019-10-22 11:23:15,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:15,031 INFO L168 Benchmark]: Toolchain (without parser) took 2911.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 938.3 MB in the beginning and 887.8 MB in the end (delta: 50.5 MB). Peak memory consumption was 185.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:15,032 INFO L168 Benchmark]: CDTParser took 0.16 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 11:23:15,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 932.9 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:15,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.83 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:15,033 INFO L168 Benchmark]: Boogie Preprocessor took 40.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:15,033 INFO L168 Benchmark]: RCFGBuilder took 723.27 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: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:15,034 INFO L168 Benchmark]: TraceAbstraction took 1383.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 901.8 MB in the end (delta: 139.1 MB). Peak memory consumption was 139.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:15,034 INFO L168 Benchmark]: Witness Printer took 136.30 ms. Allocated memory is still 1.2 GB. Free memory was 901.8 MB in the beginning and 887.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:15,036 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 546.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 932.9 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.83 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 723.27 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: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1383.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 901.8 MB in the end (delta: 139.1 MB). Peak memory consumption was 139.1 MB. Max. memory is 11.5 GB. * Witness Printer took 136.30 ms. Allocated memory is still 1.2 GB. Free memory was 901.8 MB in the beginning and 887.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 650]: 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: 529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 427 SDtfs, 558 SDslu, 365 SDs, 0 SdLazy, 67 SolverSat, 12 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=109occurred in iteration=0, 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 202 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1533 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5825 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...