./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.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_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/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 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:03,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:03,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:03,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:03,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:03,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:03,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:03,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:03,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:03,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:03,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:03,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:03,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:03,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:03,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:03,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:03,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:03,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:03,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:03,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:03,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:03,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:03,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:03,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:03,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:03,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:03,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:03,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:03,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:03,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:03,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:03,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:03,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:03,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:03,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:03,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:03,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:03,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:03,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:03,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:03,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:03,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:03,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:03,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:03,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:03,978 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:03,979 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:03,979 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:03,979 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:03,979 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:03,979 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:03,979 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:03,979 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:03,980 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:03,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:03,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:03,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:03,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:03,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:03,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:03,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:03,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:03,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:03,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:03,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:03,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:03,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:03,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:03,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:03,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:03,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:03,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:03,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:03,983 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:03,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:03,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:03,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:03,984 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_3ffb0eef-d2ba-40cc-b924-9573db2725dd/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 -> 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d [2019-10-22 11:26:04,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:04,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:04,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:04,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:04,037 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:04,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2019-10-22 11:26:04,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/data/19d60a14b/fc1e5e593ad94fc0ac30c3ba28f48d43/FLAG04168d147 [2019-10-22 11:26:04,525 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:04,526 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2019-10-22 11:26:04,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/data/19d60a14b/fc1e5e593ad94fc0ac30c3ba28f48d43/FLAG04168d147 [2019-10-22 11:26:04,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/data/19d60a14b/fc1e5e593ad94fc0ac30c3ba28f48d43 [2019-10-22 11:26:04,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:04,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:04,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:04,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:04,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:04,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcd7b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04, skipping insertion in model container [2019-10-22 11:26:04,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,568 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:04,623 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:04,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:04,947 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:05,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:05,051 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:05,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05 WrapperNode [2019-10-22 11:26:05,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:05,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:05,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:05,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:05,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:05,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:05,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:05,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:05,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... [2019-10-22 11:26:05,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:05,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:05,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:05,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:05,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:05,894 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:05,895 INFO L284 CfgBuilder]: Removed 68 assume(true) statements. [2019-10-22 11:26:05,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:05 BoogieIcfgContainer [2019-10-22 11:26:05,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:05,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:05,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:05,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:05,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:04" (1/3) ... [2019-10-22 11:26:05,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357b3a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:05, skipping insertion in model container [2019-10-22 11:26:05,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:05" (2/3) ... [2019-10-22 11:26:05,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357b3a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:05, skipping insertion in model container [2019-10-22 11:26:05,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:05" (3/3) ... [2019-10-22 11:26:05,905 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2019-10-22 11:26:05,915 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:05,922 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:05,931 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:05,952 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:05,952 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:05,952 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:05,952 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:05,953 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:05,953 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:05,953 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:05,953 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-10-22 11:26:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:26:05,973 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:05,973 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:05,975 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:05,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:05,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2019-10-22 11:26:05,990 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:05,990 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67830835] [2019-10-22 11:26:05,990 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:05,990 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:05,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:06,164 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67830835] [2019-10-22 11:26:06,165 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:06,165 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:06,165 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870821768] [2019-10-22 11:26:06,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:06,171 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:06,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:06,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:06,187 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-10-22 11:26:06,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:06,208 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-10-22 11:26:06,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:06,209 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:26:06,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:06,219 INFO L225 Difference]: With dead ends: 108 [2019-10-22 11:26:06,219 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:26:06,222 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:06,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:26:06,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:26:06,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:26:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-10-22 11:26:06,255 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-10-22 11:26:06,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:06,255 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-10-22 11:26:06,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-10-22 11:26:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:26:06,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:06,256 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 11:26:06,256 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:06,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:06,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2019-10-22 11:26:06,257 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:06,257 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618207791] [2019-10-22 11:26:06,257 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,258 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:06,335 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618207791] [2019-10-22 11:26:06,335 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:06,336 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:06,336 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397453114] [2019-10-22 11:26:06,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:06,337 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:06,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:06,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:06,338 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-10-22 11:26:06,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:06,346 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-10-22 11:26:06,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:06,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:26:06,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:06,347 INFO L225 Difference]: With dead ends: 53 [2019-10-22 11:26:06,347 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 11:26:06,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:06,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 11:26:06,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 11:26:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 11:26:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-10-22 11:26:06,352 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-10-22 11:26:06,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:06,352 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-10-22 11:26:06,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-10-22 11:26:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:26:06,353 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:06,353 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 11:26:06,353 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:06,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:06,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2019-10-22 11:26:06,354 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:06,354 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783150712] [2019-10-22 11:26:06,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:06,441 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 11:26:06,442 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783150712] [2019-10-22 11:26:06,442 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:06,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:06,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200596233] [2019-10-22 11:26:06,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:06,443 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:06,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:06,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:06,444 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2019-10-22 11:26:06,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:06,515 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2019-10-22 11:26:06,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:26:06,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 11:26:06,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:06,517 INFO L225 Difference]: With dead ends: 109 [2019-10-22 11:26:06,517 INFO L226 Difference]: Without dead ends: 88 [2019-10-22 11:26:06,517 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:06,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-22 11:26:06,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2019-10-22 11:26:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-22 11:26:06,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2019-10-22 11:26:06,525 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2019-10-22 11:26:06,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:06,526 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2019-10-22 11:26:06,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:06,526 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2019-10-22 11:26:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:26:06,526 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:06,527 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 11:26:06,527 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:06,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:06,528 INFO L82 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2019-10-22 11:26:06,528 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:06,528 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708582580] [2019-10-22 11:26:06,528 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,528 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:06,631 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708582580] [2019-10-22 11:26:06,631 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:06,631 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:06,631 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793568951] [2019-10-22 11:26:06,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:06,632 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:06,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:06,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:06,632 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2019-10-22 11:26:06,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:06,702 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2019-10-22 11:26:06,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:06,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:26:06,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:06,706 INFO L225 Difference]: With dead ends: 130 [2019-10-22 11:26:06,706 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:06,707 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 11:26:06,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:06,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:06,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-10-22 11:26:06,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:06,708 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:06,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:06,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:06,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:06,886 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 11:26:06,887 INFO L443 ceAbstractionStarter]: For program point L481-1(line 481) no Hoare annotation was computed. [2019-10-22 11:26:06,887 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-10-22 11:26:06,887 INFO L443 ceAbstractionStarter]: For program point L481-2(line 481) no Hoare annotation was computed. [2019-10-22 11:26:06,887 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 11:26:06,887 INFO L439 ceAbstractionStarter]: At program point L383(lines 1 850) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:06,887 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:06,888 INFO L439 ceAbstractionStarter]: At program point L218(lines 213 221) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,888 INFO L439 ceAbstractionStarter]: At program point L218-1(lines 213 221) the Hoare annotation is: false [2019-10-22 11:26:06,888 INFO L439 ceAbstractionStarter]: At program point L218-2(lines 213 221) the Hoare annotation is: false [2019-10-22 11:26:06,888 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 11:26:06,888 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:06,888 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2019-10-22 11:26:06,888 INFO L439 ceAbstractionStarter]: At program point L287-1(lines 287 293) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,888 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 11:26:06,888 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 159 165) no Hoare annotation was computed. [2019-10-22 11:26:06,889 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 407) no Hoare annotation was computed. [2019-10-22 11:26:06,889 INFO L443 ceAbstractionStarter]: For program point L403-3(lines 403 407) no Hoare annotation was computed. [2019-10-22 11:26:06,889 INFO L443 ceAbstractionStarter]: For program point L403-6(lines 403 407) no Hoare annotation was computed. [2019-10-22 11:26:06,889 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 11:26:06,889 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:06,889 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2019-10-22 11:26:06,889 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 320) no Hoare annotation was computed. [2019-10-22 11:26:06,889 INFO L439 ceAbstractionStarter]: At program point L159(lines 158 177) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,890 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 159 165) no Hoare annotation was computed. [2019-10-22 11:26:06,890 INFO L439 ceAbstractionStarter]: At program point L159-2(lines 158 177) the Hoare annotation is: false [2019-10-22 11:26:06,890 INFO L439 ceAbstractionStarter]: At program point L159-3(lines 158 177) the Hoare annotation is: false [2019-10-22 11:26:06,890 INFO L439 ceAbstractionStarter]: At program point L440(lines 435 443) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,890 INFO L439 ceAbstractionStarter]: At program point L440-1(lines 435 443) the Hoare annotation is: false [2019-10-22 11:26:06,890 INFO L439 ceAbstractionStarter]: At program point L440-2(lines 435 443) the Hoare annotation is: false [2019-10-22 11:26:06,890 INFO L439 ceAbstractionStarter]: At program point L391(lines 386 394) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:06,890 INFO L439 ceAbstractionStarter]: At program point L325(lines 276 326) the Hoare annotation is: false [2019-10-22 11:26:06,891 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:06,891 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2019-10-22 11:26:06,891 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-22 11:26:06,892 INFO L439 ceAbstractionStarter]: At program point L343-1(lines 1 850) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,892 INFO L443 ceAbstractionStarter]: For program point L343-2(lines 343 356) no Hoare annotation was computed. [2019-10-22 11:26:06,892 INFO L439 ceAbstractionStarter]: At program point L343-3(lines 1 850) the Hoare annotation is: false [2019-10-22 11:26:06,892 INFO L443 ceAbstractionStarter]: For program point L343-4(lines 343 356) no Hoare annotation was computed. [2019-10-22 11:26:06,892 INFO L439 ceAbstractionStarter]: At program point L343-5(lines 1 850) the Hoare annotation is: false [2019-10-22 11:26:06,892 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2019-10-22 11:26:06,892 INFO L443 ceAbstractionStarter]: For program point L278(lines 277 324) no Hoare annotation was computed. [2019-10-22 11:26:06,892 INFO L443 ceAbstractionStarter]: For program point L427(lines 427 431) no Hoare annotation was computed. [2019-10-22 11:26:06,893 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 11:26:06,893 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 11:26:06,893 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 283) no Hoare annotation was computed. [2019-10-22 11:26:06,893 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:06,893 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2019-10-22 11:26:06,893 INFO L439 ceAbstractionStarter]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,893 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-22 11:26:06,893 INFO L443 ceAbstractionStarter]: For program point L347-2(lines 347 353) no Hoare annotation was computed. [2019-10-22 11:26:06,893 INFO L443 ceAbstractionStarter]: For program point L347-4(lines 347 353) no Hoare annotation was computed. [2019-10-22 11:26:06,894 INFO L439 ceAbstractionStarter]: At program point L166(lines 166 172) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,894 INFO L439 ceAbstractionStarter]: At program point L166-1(lines 166 172) the Hoare annotation is: false [2019-10-22 11:26:06,894 INFO L439 ceAbstractionStarter]: At program point L166-2(lines 166 172) the Hoare annotation is: false [2019-10-22 11:26:06,894 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:26:06,894 INFO L439 ceAbstractionStarter]: At program point L315-2(lines 159 165) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:06 BoogieIcfgContainer [2019-10-22 11:26:06,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:06,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:06,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:06,908 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:06,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:05" (3/4) ... [2019-10-22 11:26:06,912 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:06,925 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:26:06,925 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:26:06,925 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:26:06,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:26:06,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:26:06,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:26:06,972 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:26:07,054 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ffb0eef-d2ba-40cc-b924-9573db2725dd/bin/utaipan/witness.graphml [2019-10-22 11:26:07,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:07,056 INFO L168 Benchmark]: Toolchain (without parser) took 2503.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.4 MB in the beginning and 969.8 MB in the end (delta: -25.3 MB). Peak memory consumption was 113.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,056 INFO L168 Benchmark]: CDTParser took 0.21 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 11:26:07,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.79 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 11:26:07,057 INFO L168 Benchmark]: Boogie Preprocessor took 43.89 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 11:26:07,058 INFO L168 Benchmark]: RCFGBuilder took 748.11 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,058 INFO L168 Benchmark]: TraceAbstraction took 1010.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.5 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,059 INFO L168 Benchmark]: Witness Printer took 146.21 ms. Allocated memory is still 1.2 GB. Free memory was 980.5 MB in the beginning and 969.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 499.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.79 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 43.89 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 748.11 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1010.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.5 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Witness Printer took 146.21 ms. Allocated memory is still 1.2 GB. Free memory was 980.5 MB in the beginning and 969.8 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: 481]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 481]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 481]: 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: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 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=57occurred 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, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 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...