./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.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_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:22:06,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:06,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:06,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:06,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:06,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:06,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:06,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:06,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:06,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:06,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:06,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:06,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:06,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:06,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:06,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:06,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:06,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:06,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:06,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:06,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:06,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:06,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:06,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:06,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:06,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:06,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:06,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:06,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:06,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:06,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:06,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:06,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:06,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:06,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:06,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:06,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:06,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:06,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:06,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:06,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:06,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:06,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:06,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:06,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:06,478 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:06,479 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:06,479 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:06,479 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:06,479 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:06,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:06,479 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:06,479 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:06,480 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:06,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:06,480 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:06,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:06,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:06,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:06,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:06,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:06,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:06,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:06,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:06,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:06,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:06,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:06,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:06,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:06,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:06,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:06,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:06,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:06,483 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:06,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:06,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:06,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:06,484 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_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2019-10-22 11:22:06,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:06,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:06,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:06,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:06,521 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:06,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-10-22 11:22:06,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/data/4a295bc9f/11eb9bb529a64333a2351f773e7837a7/FLAG5892870f0 [2019-10-22 11:22:07,008 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:07,008 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-10-22 11:22:07,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/data/4a295bc9f/11eb9bb529a64333a2351f773e7837a7/FLAG5892870f0 [2019-10-22 11:22:07,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/data/4a295bc9f/11eb9bb529a64333a2351f773e7837a7 [2019-10-22 11:22:07,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:07,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:07,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:07,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:07,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:07,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46020af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07, skipping insertion in model container [2019-10-22 11:22:07,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,047 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:07,097 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:07,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:07,451 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:07,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:07,565 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:07,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07 WrapperNode [2019-10-22 11:22:07,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:07,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:07,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:07,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:07,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:07,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:07,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:07,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:07,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... [2019-10-22 11:22:07,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:07,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:07,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:07,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:07,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/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 11:22:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:22:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:08,403 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:08,404 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-10-22 11:22:08,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:08 BoogieIcfgContainer [2019-10-22 11:22:08,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:08,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:08,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:08,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:08,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:07" (1/3) ... [2019-10-22 11:22:08,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38666541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:08, skipping insertion in model container [2019-10-22 11:22:08,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:07" (2/3) ... [2019-10-22 11:22:08,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38666541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:08, skipping insertion in model container [2019-10-22 11:22:08,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:08" (3/3) ... [2019-10-22 11:22:08,412 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2019-10-22 11:22:08,421 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:08,428 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:08,437 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:08,462 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:08,462 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:08,463 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:08,463 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:08,463 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:08,463 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:08,463 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:08,463 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-10-22 11:22:08,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:08,484 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:08,485 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:08,487 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:08,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:08,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2019-10-22 11:22:08,499 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:08,499 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845184417] [2019-10-22 11:22:08,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:08,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:08,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:08,703 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 11:22:08,703 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845184417] [2019-10-22 11:22:08,704 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:08,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:08,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402257710] [2019-10-22 11:22:08,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:08,716 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:08,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:08,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:08,732 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-10-22 11:22:08,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:08,755 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-10-22 11:22:08,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:08,756 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:22:08,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:08,764 INFO L225 Difference]: With dead ends: 148 [2019-10-22 11:22:08,765 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 11:22:08,768 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 11:22:08,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 11:22:08,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-10-22 11:22:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 11:22:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-10-22 11:22:08,806 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-10-22 11:22:08,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:08,807 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-10-22 11:22:08,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:08,807 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-10-22 11:22:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:22:08,808 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:08,808 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 11:22:08,808 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:08,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:08,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2019-10-22 11:22:08,809 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:08,809 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143518140] [2019-10-22 11:22:08,809 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:08,809 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:08,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:08,939 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 11:22:08,939 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143518140] [2019-10-22 11:22:08,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:08,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:08,940 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886602776] [2019-10-22 11:22:08,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:08,941 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:08,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:08,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:08,942 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-10-22 11:22:08,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:08,956 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-10-22 11:22:08,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:08,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:22:08,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:08,961 INFO L225 Difference]: With dead ends: 73 [2019-10-22 11:22:08,961 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 11:22:08,962 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 11:22:08,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 11:22:08,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 11:22:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 11:22:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-10-22 11:22:08,970 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-10-22 11:22:08,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:08,970 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-10-22 11:22:08,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-10-22 11:22:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:22:08,971 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:08,971 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 11:22:08,971 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:08,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:08,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2019-10-22 11:22:08,972 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:08,972 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035354594] [2019-10-22 11:22:08,972 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:08,972 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:08,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:09,084 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 11:22:09,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035354594] [2019-10-22 11:22:09,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:09,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:09,084 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698831996] [2019-10-22 11:22:09,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:09,085 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:09,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:09,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:09,086 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2019-10-22 11:22:09,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:09,114 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2019-10-22 11:22:09,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:09,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:22:09,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:09,115 INFO L225 Difference]: With dead ends: 93 [2019-10-22 11:22:09,115 INFO L226 Difference]: Without dead ends: 64 [2019-10-22 11:22:09,116 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:09,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-10-22 11:22:09,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2019-10-22 11:22:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-10-22 11:22:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2019-10-22 11:22:09,128 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2019-10-22 11:22:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:09,128 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2019-10-22 11:22:09,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2019-10-22 11:22:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:22:09,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:09,129 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 11:22:09,129 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:09,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:09,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2019-10-22 11:22:09,129 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:09,130 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292739827] [2019-10-22 11:22:09,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:09,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:09,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:09,202 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 11:22:09,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292739827] [2019-10-22 11:22:09,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:09,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:09,203 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375957179] [2019-10-22 11:22:09,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:09,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:09,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:09,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:09,204 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2019-10-22 11:22:09,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:09,293 INFO L93 Difference]: Finished difference Result 298 states and 454 transitions. [2019-10-22 11:22:09,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:22:09,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:22:09,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:09,295 INFO L225 Difference]: With dead ends: 298 [2019-10-22 11:22:09,296 INFO L226 Difference]: Without dead ends: 244 [2019-10-22 11:22:09,296 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 11:22:09,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-10-22 11:22:09,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 108. [2019-10-22 11:22:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-22 11:22:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2019-10-22 11:22:09,313 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 23 [2019-10-22 11:22:09,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:09,313 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2019-10-22 11:22:09,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2019-10-22 11:22:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:22:09,316 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:09,316 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 11:22:09,319 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:09,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:09,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1060203461, now seen corresponding path program 1 times [2019-10-22 11:22:09,319 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:09,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000407964] [2019-10-22 11:22:09,320 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:09,320 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:09,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:09,426 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 11:22:09,426 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000407964] [2019-10-22 11:22:09,426 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:09,426 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:09,427 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616325041] [2019-10-22 11:22:09,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:09,427 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:09,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:09,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:09,428 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand 5 states. [2019-10-22 11:22:09,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:09,495 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2019-10-22 11:22:09,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:09,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:22:09,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:09,496 INFO L225 Difference]: With dead ends: 304 [2019-10-22 11:22:09,496 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:09,497 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 11:22:09,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:09,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:09,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:22:09,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:09,498 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:09,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:09,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:09,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:09,685 INFO L439 ceAbstractionStarter]: At program point L564(lines 1 911) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:22:09,685 INFO L439 ceAbstractionStarter]: At program point L168(lines 163 171) the Hoare annotation is: false [2019-10-22 11:22:09,685 INFO L439 ceAbstractionStarter]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2019-10-22 11:22:09,685 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-10-22 11:22:09,685 INFO L439 ceAbstractionStarter]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2019-10-22 11:22:09,685 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:09,686 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:22:09,686 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:22:09,686 INFO L443 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:22:09,686 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-10-22 11:22:09,686 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 11:22:09,686 INFO L443 ceAbstractionStarter]: For program point L73-1(line 73) no Hoare annotation was computed. [2019-10-22 11:22:09,686 INFO L443 ceAbstractionStarter]: For program point L73-2(line 73) no Hoare annotation was computed. [2019-10-22 11:22:09,687 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2019-10-22 11:22:09,687 INFO L439 ceAbstractionStarter]: At program point L866-1(lines 866 872) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:09,687 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-10-22 11:22:09,687 INFO L443 ceAbstractionStarter]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2019-10-22 11:22:09,687 INFO L443 ceAbstractionStarter]: For program point L90-6(lines 90 94) no Hoare annotation was computed. [2019-10-22 11:22:09,687 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:22:09,687 INFO L443 ceAbstractionStarter]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:22:09,688 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:22:09,688 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-10-22 11:22:09,688 INFO L439 ceAbstractionStarter]: At program point L834-1(lines 834 840) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:09,688 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:09,688 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-10-22 11:22:09,688 INFO L439 ceAbstractionStarter]: At program point L686(lines 685 704) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:09,689 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2019-10-22 11:22:09,689 INFO L439 ceAbstractionStarter]: At program point L686-2(lines 685 704) the Hoare annotation is: false [2019-10-22 11:22:09,689 INFO L439 ceAbstractionStarter]: At program point L686-3(lines 685 704) the Hoare annotation is: false [2019-10-22 11:22:09,689 INFO L446 ceAbstractionStarter]: At program point L671(lines 652 674) the Hoare annotation is: true [2019-10-22 11:22:09,689 INFO L439 ceAbstractionStarter]: At program point L638(lines 634 640) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:22:09,689 INFO L439 ceAbstractionStarter]: At program point L572(lines 567 575) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:22:09,690 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 899) no Hoare annotation was computed. [2019-10-22 11:22:09,690 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:22:09,690 INFO L443 ceAbstractionStarter]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:22:09,691 INFO L443 ceAbstractionStarter]: For program point L820-3(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:22:09,691 INFO L443 ceAbstractionStarter]: For program point L820-5(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:22:09,691 INFO L443 ceAbstractionStarter]: For program point L820-6(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:22:09,691 INFO L443 ceAbstractionStarter]: For program point L820-8(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:22:09,691 INFO L439 ceAbstractionStarter]: At program point L589-2(lines 589 603) the Hoare annotation is: false [2019-10-22 11:22:09,691 INFO L439 ceAbstractionStarter]: At program point L771(lines 766 774) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:09,691 INFO L439 ceAbstractionStarter]: At program point L771-1(lines 766 774) the Hoare annotation is: false [2019-10-22 11:22:09,692 INFO L439 ceAbstractionStarter]: At program point L771-2(lines 766 774) the Hoare annotation is: false [2019-10-22 11:22:09,692 INFO L439 ceAbstractionStarter]: At program point L127(lines 122 130) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:09,692 INFO L439 ceAbstractionStarter]: At program point L127-1(lines 122 130) the Hoare annotation is: false [2019-10-22 11:22:09,692 INFO L439 ceAbstractionStarter]: At program point L127-2(lines 122 130) the Hoare annotation is: false [2019-10-22 11:22:09,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:09,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-10-22 11:22:09,692 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:22:09,693 INFO L443 ceAbstractionStarter]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:22:09,693 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:22:09,693 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-22 11:22:09,693 INFO L439 ceAbstractionStarter]: At program point L904(lines 855 905) the Hoare annotation is: false [2019-10-22 11:22:09,693 INFO L443 ceAbstractionStarter]: For program point L857(lines 856 903) no Hoare annotation was computed. [2019-10-22 11:22:09,693 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 118) no Hoare annotation was computed. [2019-10-22 11:22:09,693 INFO L443 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2019-10-22 11:22:09,693 INFO L443 ceAbstractionStarter]: For program point L593-1(lines 686 692) no Hoare annotation was computed. [2019-10-22 11:22:09,694 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:09,694 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2019-10-22 11:22:09,694 INFO L439 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:09,694 INFO L439 ceAbstractionStarter]: At program point L693-1(lines 693 699) the Hoare annotation is: false [2019-10-22 11:22:09,694 INFO L439 ceAbstractionStarter]: At program point L693-2(lines 693 699) the Hoare annotation is: false [2019-10-22 11:22:09,695 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-10-22 11:22:09,695 INFO L439 ceAbstractionStarter]: At program point L892-1(lines 686 692) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:09,695 INFO L439 ceAbstractionStarter]: At program point L826(lines 811 829) the Hoare annotation is: false [2019-10-22 11:22:09,695 INFO L439 ceAbstractionStarter]: At program point L826-1(lines 811 829) the Hoare annotation is: false [2019-10-22 11:22:09,696 INFO L439 ceAbstractionStarter]: At program point L826-2(lines 811 829) the Hoare annotation is: false [2019-10-22 11:22:09,696 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 882) no Hoare annotation was computed. [2019-10-22 11:22:09,696 INFO L439 ceAbstractionStarter]: At program point L876-1(lines 876 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:09,696 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 669) no Hoare annotation was computed. [2019-10-22 11:22:09,696 INFO L446 ceAbstractionStarter]: At program point L662-1(lines 662 669) the Hoare annotation is: true [2019-10-22 11:22:09,696 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:22:09,696 INFO L439 ceAbstractionStarter]: At program point L51-1(lines 1 911) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:09,697 INFO L443 ceAbstractionStarter]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:22:09,697 INFO L439 ceAbstractionStarter]: At program point L51-3(lines 1 911) the Hoare annotation is: false [2019-10-22 11:22:09,697 INFO L443 ceAbstractionStarter]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:22:09,697 INFO L439 ceAbstractionStarter]: At program point L51-5(lines 1 911) the Hoare annotation is: false [2019-10-22 11:22:09,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:09 BoogieIcfgContainer [2019-10-22 11:22:09,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:09,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:09,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:09,712 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:09,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:08" (3/4) ... [2019-10-22 11:22:09,716 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:09,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:22:09,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:22:09,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:22:09,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:22:09,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:09,732 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:22:09,760 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:22:09,797 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07b2bc57-11a3-4f88-a1f5-8efc1fcf584b/bin/utaipan/witness.graphml [2019-10-22 11:22:09,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:09,804 INFO L168 Benchmark]: Toolchain (without parser) took 2766.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.9 MB in the beginning and 923.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 152.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:09,804 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:09,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:09,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.99 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:09,806 INFO L168 Benchmark]: Boogie Preprocessor took 61.15 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 11:22:09,807 INFO L168 Benchmark]: RCFGBuilder took 719.56 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:09,808 INFO L168 Benchmark]: TraceAbstraction took 1305.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.0 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:09,808 INFO L168 Benchmark]: Witness Printer took 85.55 ms. Allocated memory is still 1.2 GB. Free memory was 934.0 MB in the beginning and 923.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:09,810 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 531.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.99 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.15 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 719.56 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1305.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.0 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. * Witness Printer took 85.55 ms. Allocated memory is still 1.2 GB. Free memory was 934.0 MB in the beginning and 923.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: 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: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 333 SDtfs, 340 SDslu, 334 SDs, 0 SdLazy, 47 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 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...