./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.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_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/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 ec9c68e540d71032e1f0fa689079da08dc76dcea ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:23:18,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:18,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:18,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:18,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:18,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:18,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:18,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:18,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:18,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:18,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:18,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:18,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:18,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:18,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:18,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:18,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:18,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:18,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:18,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:18,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:18,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:18,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:18,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:18,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:18,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:18,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:18,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:18,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:18,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:18,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:18,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:18,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:18,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:18,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:18,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:18,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:18,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:18,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:18,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:18,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:18,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:18,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:18,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:18,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:18,686 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:18,686 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:18,686 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:18,686 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:18,686 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:18,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:18,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:18,687 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:18,687 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:18,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:18,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:18,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:18,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:18,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:18,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:18,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:18,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:18,689 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:18,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:18,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:18,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:18,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:18,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:18,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:18,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:18,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:18,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:18,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:18,692 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:18,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:18,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:18,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:18,692 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_291bb39c-3211-40c3-9c90-a67152cd9858/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 -> ec9c68e540d71032e1f0fa689079da08dc76dcea [2019-10-22 11:23:18,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:18,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:18,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:18,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:18,731 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:18,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2019-10-22 11:23:18,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/data/21000bf4c/0da167cc597e48299546b01703b0db06/FLAG63fcc9ab1 [2019-10-22 11:23:19,239 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:19,242 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2019-10-22 11:23:19,252 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/data/21000bf4c/0da167cc597e48299546b01703b0db06/FLAG63fcc9ab1 [2019-10-22 11:23:19,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/data/21000bf4c/0da167cc597e48299546b01703b0db06 [2019-10-22 11:23:19,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:19,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:19,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:19,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:19,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:19,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5476c4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19, skipping insertion in model container [2019-10-22 11:23:19,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,583 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:19,620 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:19,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:19,984 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:20,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:20,114 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:20,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20 WrapperNode [2019-10-22 11:23:20,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:20,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:20,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:20,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:20,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:20,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:20,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:20,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:20,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... [2019-10-22 11:23:20,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:20,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:20,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:20,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:20,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/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 11:23:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:20,874 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:20,874 INFO L284 CfgBuilder]: Removed 74 assume(true) statements. [2019-10-22 11:23:20,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:20 BoogieIcfgContainer [2019-10-22 11:23:20,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:20,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:20,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:20,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:20,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:19" (1/3) ... [2019-10-22 11:23:20,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7868f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:20, skipping insertion in model container [2019-10-22 11:23:20,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:20" (2/3) ... [2019-10-22 11:23:20,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7868f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:20, skipping insertion in model container [2019-10-22 11:23:20,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:20" (3/3) ... [2019-10-22 11:23:20,883 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2019-10-22 11:23:20,893 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:20,900 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:20,913 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:20,939 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:20,940 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:20,940 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:20,940 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:20,940 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:20,941 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:20,941 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:20,941 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-10-22 11:23:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:23:20,957 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:20,958 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 11:23:20,961 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:20,965 INFO L82 PathProgramCache]: Analyzing trace with hash 706591477, now seen corresponding path program 1 times [2019-10-22 11:23:20,971 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:20,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681797622] [2019-10-22 11:23:20,972 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,972 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:21,138 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 11:23:21,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681797622] [2019-10-22 11:23:21,139 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:21,140 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:21,140 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359684429] [2019-10-22 11:23:21,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:21,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:21,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:21,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:21,160 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-10-22 11:23:21,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:21,181 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2019-10-22 11:23:21,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:21,182 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:23:21,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:21,192 INFO L225 Difference]: With dead ends: 119 [2019-10-22 11:23:21,192 INFO L226 Difference]: Without dead ends: 59 [2019-10-22 11:23:21,194 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 11:23:21,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-10-22 11:23:21,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-10-22 11:23:21,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 11:23:21,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2019-10-22 11:23:21,228 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2019-10-22 11:23:21,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:21,229 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2019-10-22 11:23:21,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-10-22 11:23:21,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:23:21,230 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:21,230 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 11:23:21,230 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:21,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:21,231 INFO L82 PathProgramCache]: Analyzing trace with hash 583909382, now seen corresponding path program 1 times [2019-10-22 11:23:21,231 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:21,231 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604142305] [2019-10-22 11:23:21,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:21,308 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 11:23:21,309 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604142305] [2019-10-22 11:23:21,309 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:21,309 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:21,309 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892231943] [2019-10-22 11:23:21,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:21,311 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:21,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:21,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:21,312 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2019-10-22 11:23:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:21,321 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2019-10-22 11:23:21,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:21,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:23:21,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:21,323 INFO L225 Difference]: With dead ends: 59 [2019-10-22 11:23:21,323 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 11:23:21,323 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 11:23:21,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 11:23:21,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 11:23:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 11:23:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-10-22 11:23:21,328 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-10-22 11:23:21,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:21,328 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-10-22 11:23:21,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 11:23:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:21,329 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:21,329 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 11:23:21,329 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:21,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:21,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2019-10-22 11:23:21,330 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:21,330 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750999433] [2019-10-22 11:23:21,330 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,331 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:21,441 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 11:23:21,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750999433] [2019-10-22 11:23:21,441 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:21,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:21,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382342809] [2019-10-22 11:23:21,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:21,442 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:21,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:21,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:21,443 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2019-10-22 11:23:21,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:21,571 INFO L93 Difference]: Finished difference Result 126 states and 193 transitions. [2019-10-22 11:23:21,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:23:21,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:23:21,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:21,573 INFO L225 Difference]: With dead ends: 126 [2019-10-22 11:23:21,573 INFO L226 Difference]: Without dead ends: 102 [2019-10-22 11:23:21,574 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 11:23:21,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-10-22 11:23:21,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2019-10-22 11:23:21,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-22 11:23:21,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2019-10-22 11:23:21,582 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2019-10-22 11:23:21,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:21,583 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2019-10-22 11:23:21,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2019-10-22 11:23:21,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:23:21,584 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:21,584 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] [2019-10-22 11:23:21,584 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:21,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:21,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2019-10-22 11:23:21,584 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:21,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221374825] [2019-10-22 11:23:21,589 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,589 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:21,691 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 11:23:21,691 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221374825] [2019-10-22 11:23:21,692 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:21,692 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:21,692 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994125531] [2019-10-22 11:23:21,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:21,692 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:21,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:21,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:21,693 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand 5 states. [2019-10-22 11:23:21,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:21,783 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2019-10-22 11:23:21,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:21,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:23:21,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:21,787 INFO L225 Difference]: With dead ends: 148 [2019-10-22 11:23:21,787 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:21,788 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 11:23:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:21,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:21,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:21,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 11:23:21,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:21,789 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:21,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:21,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:21,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:21,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:21,971 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 799) no Hoare annotation was computed. [2019-10-22 11:23:21,971 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 603) no Hoare annotation was computed. [2019-10-22 11:23:21,972 INFO L439 ceAbstractionStarter]: At program point L597-1(lines 632 638) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,972 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 879) no Hoare annotation was computed. [2019-10-22 11:23:21,972 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:21,972 INFO L439 ceAbstractionStarter]: At program point L862-1(lines 1 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,972 INFO L443 ceAbstractionStarter]: For program point L862-2(lines 862 879) no Hoare annotation was computed. [2019-10-22 11:23:21,972 INFO L439 ceAbstractionStarter]: At program point L862-3(lines 1 882) the Hoare annotation is: false [2019-10-22 11:23:21,972 INFO L443 ceAbstractionStarter]: For program point L862-4(lines 862 879) no Hoare annotation was computed. [2019-10-22 11:23:21,973 INFO L439 ceAbstractionStarter]: At program point L862-5(lines 1 882) the Hoare annotation is: false [2019-10-22 11:23:21,973 INFO L439 ceAbstractionStarter]: At program point L632(lines 631 650) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,973 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 638) no Hoare annotation was computed. [2019-10-22 11:23:21,973 INFO L439 ceAbstractionStarter]: At program point L632-2(lines 631 650) the Hoare annotation is: false [2019-10-22 11:23:21,973 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 540) no Hoare annotation was computed. [2019-10-22 11:23:21,973 INFO L439 ceAbstractionStarter]: At program point L632-3(lines 631 650) the Hoare annotation is: false [2019-10-22 11:23:21,973 INFO L446 ceAbstractionStarter]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2019-10-22 11:23:21,973 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-10-22 11:23:21,974 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 787) no Hoare annotation was computed. [2019-10-22 11:23:21,974 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 876) no Hoare annotation was computed. [2019-10-22 11:23:21,974 INFO L443 ceAbstractionStarter]: For program point L866-2(lines 866 876) no Hoare annotation was computed. [2019-10-22 11:23:21,974 INFO L443 ceAbstractionStarter]: For program point L866-4(lines 866 876) no Hoare annotation was computed. [2019-10-22 11:23:21,974 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-10-22 11:23:21,974 INFO L439 ceAbstractionStarter]: At program point L569-1(lines 569 575) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,974 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-10-22 11:23:21,974 INFO L443 ceAbstractionStarter]: For program point L867-2(lines 867 873) no Hoare annotation was computed. [2019-10-22 11:23:21,974 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:21,975 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2019-10-22 11:23:21,975 INFO L443 ceAbstractionStarter]: For program point L867-4(lines 867 873) no Hoare annotation was computed. [2019-10-22 11:23:21,975 INFO L439 ceAbstractionStarter]: At program point L735-1(lines 735 741) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,975 INFO L439 ceAbstractionStarter]: At program point L851(lines 846 853) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:21,975 INFO L439 ceAbstractionStarter]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:21,975 INFO L439 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: false [2019-10-22 11:23:21,975 INFO L443 ceAbstractionStarter]: For program point L589(lines 589 604) no Hoare annotation was computed. [2019-10-22 11:23:21,975 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 11:23:21,975 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-10-22 11:23:21,976 INFO L443 ceAbstractionStarter]: For program point L771-3(lines 771 775) no Hoare annotation was computed. [2019-10-22 11:23:21,976 INFO L439 ceAbstractionStarter]: At program point L639(lines 639 645) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,976 INFO L439 ceAbstractionStarter]: At program point L639-1(lines 639 645) the Hoare annotation is: false [2019-10-22 11:23:21,976 INFO L443 ceAbstractionStarter]: For program point L771-6(lines 771 775) no Hoare annotation was computed. [2019-10-22 11:23:21,976 INFO L439 ceAbstractionStarter]: At program point L639-2(lines 639 645) the Hoare annotation is: false [2019-10-22 11:23:21,976 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:21,976 INFO L439 ceAbstractionStarter]: At program point L507(lines 503 509) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:21,976 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-10-22 11:23:21,977 INFO L446 ceAbstractionStarter]: At program point L542(lines 523 545) the Hoare annotation is: true [2019-10-22 11:23:21,977 INFO L439 ceAbstractionStarter]: At program point L691(lines 686 694) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,977 INFO L439 ceAbstractionStarter]: At program point L691-1(lines 686 694) the Hoare annotation is: false [2019-10-22 11:23:21,977 INFO L439 ceAbstractionStarter]: At program point L691-2(lines 686 694) the Hoare annotation is: false [2019-10-22 11:23:21,977 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-10-22 11:23:21,977 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 632 638) no Hoare annotation was computed. [2019-10-22 11:23:21,977 INFO L439 ceAbstractionStarter]: At program point L609(lines 558 610) the Hoare annotation is: false [2019-10-22 11:23:21,977 INFO L443 ceAbstractionStarter]: For program point L560(lines 559 608) no Hoare annotation was computed. [2019-10-22 11:23:21,978 INFO L439 ceAbstractionStarter]: At program point L808(lines 803 811) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,978 INFO L439 ceAbstractionStarter]: At program point L808-1(lines 803 811) the Hoare annotation is: false [2019-10-22 11:23:21,978 INFO L439 ceAbstractionStarter]: At program point L808-2(lines 803 811) the Hoare annotation is: false [2019-10-22 11:23:21,978 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:21,978 INFO L443 ceAbstractionStarter]: For program point L759(line 759) no Hoare annotation was computed. [2019-10-22 11:23:21,978 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-10-22 11:23:21,978 INFO L443 ceAbstractionStarter]: For program point L759-2(line 759) no Hoare annotation was computed. [2019-10-22 11:23:21,978 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2019-10-22 11:23:21,978 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-10-22 11:23:21,979 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 585) no Hoare annotation was computed. [2019-10-22 11:23:21,979 INFO L439 ceAbstractionStarter]: At program point L579-1(lines 579 585) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,979 INFO L439 ceAbstractionStarter]: At program point L431(lines 1 882) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:21,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:21 BoogieIcfgContainer [2019-10-22 11:23:21,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:21,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:21,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:21,993 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:21,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:20" (3/4) ... [2019-10-22 11:23:21,997 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:22,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:23:22,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:23:22,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:23:22,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:22,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:22,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:23:22,039 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:22,077 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_291bb39c-3211-40c3-9c90-a67152cd9858/bin/utaipan/witness.graphml [2019-10-22 11:23:22,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:22,079 INFO L168 Benchmark]: Toolchain (without parser) took 2512.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 949.9 MB in the beginning and 961.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,080 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:22,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.76 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 11:23:22,080 INFO L168 Benchmark]: Boogie Preprocessor took 26.19 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,081 INFO L168 Benchmark]: RCFGBuilder took 674.94 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 11:23:22,081 INFO L168 Benchmark]: TraceAbstraction took 1116.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.9 MB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,081 INFO L168 Benchmark]: Witness Printer took 84.96 ms. Allocated memory is still 1.2 GB. Free memory was 966.9 MB in the beginning and 961.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 546.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.76 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. * Boogie Preprocessor took 26.19 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 674.94 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 1116.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.9 MB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. * Witness Printer took 84.96 ms. Allocated memory is still 1.2 GB. Free memory was 966.9 MB in the beginning and 961.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 759]: 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: 631]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 245 SDtfs, 231 SDslu, 265 SDs, 0 SdLazy, 40 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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, 4 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 74 NumberOfFragments, 108 HoareAnnotationTreeSize, 27 FomulaSimplifications, 1202 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...