./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.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_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/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 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:20:58,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:20:58,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:20:58,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:20:58,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:20:58,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:20:58,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:20:58,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:20:58,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:20:58,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:20:58,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:20:58,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:20:58,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:20:58,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:20:58,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:20:58,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:20:58,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:20:58,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:20:58,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:20:58,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:20:58,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:20:58,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:20:58,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:20:58,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:20:58,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:20:58,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:20:58,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:20:58,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:20:58,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:20:58,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:20:58,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:20:58,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:20:58,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:20:58,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:20:58,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:20:58,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:20:58,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:20:58,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:20:58,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:20:58,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:20:58,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:20:58,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:20:58,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:20:58,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:20:58,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:20:58,931 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:20:58,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:20:58,931 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:20:58,931 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:20:58,931 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:20:58,931 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:20:58,931 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:20:58,931 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:20:58,932 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:20:58,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:20:58,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:20:58,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:20:58,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:20:58,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:20:58,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:20:58,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:20:58,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:20:58,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:20:58,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:20:58,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:20:58,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:20:58,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:20:58,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:20:58,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:20:58,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:20:58,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:20:58,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:20:58,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:20:58,935 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:20:58,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:20:58,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:20:58,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:20:58,935 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_07fc9932-f205-4f11-ac09-13b5c58fd94e/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 -> 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 [2019-10-22 11:20:58,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:20:58,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:20:58,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:20:58,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:20:58,985 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:20:58,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2019-10-22 11:20:59,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/data/56c13f2aa/f54efc2425f5499d932f4eace2999909/FLAGafc285bf2 [2019-10-22 11:20:59,497 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:20:59,498 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2019-10-22 11:20:59,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/data/56c13f2aa/f54efc2425f5499d932f4eace2999909/FLAGafc285bf2 [2019-10-22 11:20:59,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/data/56c13f2aa/f54efc2425f5499d932f4eace2999909 [2019-10-22 11:20:59,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:20:59,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:20:59,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:20:59,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:20:59,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:20:59,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:59" (1/1) ... [2019-10-22 11:20:59,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d434295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:59, skipping insertion in model container [2019-10-22 11:20:59,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:59" (1/1) ... [2019-10-22 11:20:59,857 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:20:59,890 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:00,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:00,233 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:00,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:00,325 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:00,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00 WrapperNode [2019-10-22 11:21:00,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:00,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:00,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:00,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:00,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... [2019-10-22 11:21:00,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... [2019-10-22 11:21:00,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:00,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:00,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:00,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:00,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... [2019-10-22 11:21:00,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... [2019-10-22 11:21:00,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... [2019-10-22 11:21:00,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... [2019-10-22 11:21:00,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... [2019-10-22 11:21:00,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... [2019-10-22 11:21:00,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... [2019-10-22 11:21:00,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:00,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:00,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:00,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:00,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/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 11:21:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:21:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:01,089 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:01,090 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-10-22 11:21:01,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:01 BoogieIcfgContainer [2019-10-22 11:21:01,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:01,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:01,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:01,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:01,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:20:59" (1/3) ... [2019-10-22 11:21:01,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b2ac2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:01, skipping insertion in model container [2019-10-22 11:21:01,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:00" (2/3) ... [2019-10-22 11:21:01,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b2ac2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:01, skipping insertion in model container [2019-10-22 11:21:01,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:01" (3/3) ... [2019-10-22 11:21:01,098 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2019-10-22 11:21:01,106 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:01,113 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:01,123 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:01,144 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:01,144 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:01,144 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:01,145 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:01,145 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:01,145 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:01,145 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:01,145 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-10-22 11:21:01,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:21:01,165 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:01,166 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:01,167 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:01,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:01,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2019-10-22 11:21:01,180 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:01,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481692373] [2019-10-22 11:21:01,181 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:01,181 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:01,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:01,350 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 11:21:01,351 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481692373] [2019-10-22 11:21:01,351 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:01,351 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:01,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561273036] [2019-10-22 11:21:01,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:21:01,357 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:01,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:21:01,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:01,372 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-10-22 11:21:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:01,395 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-10-22 11:21:01,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:21:01,396 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:21:01,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:01,406 INFO L225 Difference]: With dead ends: 136 [2019-10-22 11:21:01,406 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 11:21:01,409 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 11:21:01,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 11:21:01,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-10-22 11:21:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:21:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-10-22 11:21:01,442 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-10-22 11:21:01,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:01,442 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-10-22 11:21:01,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:21:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-10-22 11:21:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:21:01,443 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:01,443 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 11:21:01,443 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:01,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:01,444 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2019-10-22 11:21:01,444 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:01,444 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482117720] [2019-10-22 11:21:01,444 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:01,444 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:01,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:01,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482117720] [2019-10-22 11:21:01,534 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:01,534 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:01,534 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595561769] [2019-10-22 11:21:01,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:01,535 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:01,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:01,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:01,536 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-10-22 11:21:01,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:01,548 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-10-22 11:21:01,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:01,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:21:01,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:01,551 INFO L225 Difference]: With dead ends: 67 [2019-10-22 11:21:01,551 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 11:21:01,552 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 11:21:01,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 11:21:01,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 11:21:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 11:21:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-10-22 11:21:01,556 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-10-22 11:21:01,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:01,556 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-10-22 11:21:01,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:01,556 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-10-22 11:21:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:21:01,560 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:01,560 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 11:21:01,560 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:01,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:01,561 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2019-10-22 11:21:01,562 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:01,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706273505] [2019-10-22 11:21:01,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:01,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:01,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:01,658 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 11:21:01,659 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706273505] [2019-10-22 11:21:01,659 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:01,659 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:01,659 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805236944] [2019-10-22 11:21:01,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:01,660 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:01,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:01,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:01,660 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2019-10-22 11:21:01,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:01,771 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2019-10-22 11:21:01,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:01,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 11:21:01,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:01,773 INFO L225 Difference]: With dead ends: 110 [2019-10-22 11:21:01,773 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 11:21:01,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:01,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 11:21:01,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2019-10-22 11:21:01,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-22 11:21:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-10-22 11:21:01,782 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-10-22 11:21:01,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:01,782 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-10-22 11:21:01,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-10-22 11:21:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:21:01,783 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:01,783 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 11:21:01,783 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:01,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:01,784 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2019-10-22 11:21:01,784 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:01,784 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973566881] [2019-10-22 11:21:01,784 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:01,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:01,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:01,898 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 11:21:01,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973566881] [2019-10-22 11:21:01,899 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:01,899 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:01,899 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486908394] [2019-10-22 11:21:01,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:01,899 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:01,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:01,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:01,900 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2019-10-22 11:21:02,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:02,035 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2019-10-22 11:21:02,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:21:02,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:21:02,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:02,037 INFO L225 Difference]: With dead ends: 237 [2019-10-22 11:21:02,037 INFO L226 Difference]: Without dead ends: 191 [2019-10-22 11:21:02,038 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 11:21:02,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-10-22 11:21:02,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2019-10-22 11:21:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 11:21:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2019-10-22 11:21:02,050 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2019-10-22 11:21:02,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:02,050 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2019-10-22 11:21:02,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2019-10-22 11:21:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:21:02,051 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:02,051 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 11:21:02,051 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:02,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:02,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1110121172, now seen corresponding path program 1 times [2019-10-22 11:21:02,052 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:02,052 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885325632] [2019-10-22 11:21:02,052 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:02,053 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:02,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:02,102 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 11:21:02,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885325632] [2019-10-22 11:21:02,102 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:02,103 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:02,103 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090658087] [2019-10-22 11:21:02,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:02,103 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:02,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:02,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:02,104 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2019-10-22 11:21:02,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:02,167 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2019-10-22 11:21:02,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:02,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:21:02,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:02,168 INFO L225 Difference]: With dead ends: 282 [2019-10-22 11:21:02,168 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:02,169 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 11:21:02,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:02,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:02,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:21:02,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:02,170 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:02,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:02,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:02,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:02,411 INFO L439 ceAbstractionStarter]: At program point L514-1(lines 310 316) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:02,412 INFO L439 ceAbstractionStarter]: At program point L250(lines 1 899) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:21:02,412 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2019-10-22 11:21:02,412 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 11:21:02,412 INFO L439 ceAbstractionStarter]: At program point L498-1(lines 498 504) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:02,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:02,413 INFO L439 ceAbstractionStarter]: At program point L317(lines 317 323) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:02,413 INFO L439 ceAbstractionStarter]: At program point L317-1(lines 317 323) the Hoare annotation is: false [2019-10-22 11:21:02,413 INFO L439 ceAbstractionStarter]: At program point L317-2(lines 317 323) the Hoare annotation is: false [2019-10-22 11:21:02,413 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 11:21:02,413 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:21:02,414 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-22 11:21:02,414 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 158) no Hoare annotation was computed. [2019-10-22 11:21:02,414 INFO L443 ceAbstractionStarter]: For program point L154-3(lines 154 158) no Hoare annotation was computed. [2019-10-22 11:21:02,414 INFO L443 ceAbstractionStarter]: For program point L154-6(lines 154 158) no Hoare annotation was computed. [2019-10-22 11:21:02,414 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 11:21:02,414 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 310 316) no Hoare annotation was computed. [2019-10-22 11:21:02,414 INFO L439 ceAbstractionStarter]: At program point L403(lines 396 406) the Hoare annotation is: false [2019-10-22 11:21:02,415 INFO L439 ceAbstractionStarter]: At program point L403-1(lines 396 406) the Hoare annotation is: false [2019-10-22 11:21:02,415 INFO L439 ceAbstractionStarter]: At program point L403-2(lines 396 406) the Hoare annotation is: false [2019-10-22 11:21:02,415 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 11:21:02,415 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:02,415 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 286) no Hoare annotation was computed. [2019-10-22 11:21:02,415 INFO L439 ceAbstractionStarter]: At program point L273-1(lines 1 899) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:02,416 INFO L443 ceAbstractionStarter]: For program point L273-2(lines 273 286) no Hoare annotation was computed. [2019-10-22 11:21:02,416 INFO L439 ceAbstractionStarter]: At program point L273-3(lines 1 899) the Hoare annotation is: false [2019-10-22 11:21:02,416 INFO L443 ceAbstractionStarter]: For program point L273-4(lines 273 286) no Hoare annotation was computed. [2019-10-22 11:21:02,416 INFO L439 ceAbstractionStarter]: At program point L273-5(lines 1 899) the Hoare annotation is: false [2019-10-22 11:21:02,416 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2019-10-22 11:21:02,416 INFO L439 ceAbstractionStarter]: At program point L488-1(lines 488 494) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:02,417 INFO L439 ceAbstractionStarter]: At program point L191(lines 186 194) the Hoare annotation is: false [2019-10-22 11:21:02,417 INFO L439 ceAbstractionStarter]: At program point L191-1(lines 186 194) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:02,417 INFO L439 ceAbstractionStarter]: At program point L191-2(lines 186 194) the Hoare annotation is: false [2019-10-22 11:21:02,417 INFO L439 ceAbstractionStarter]: At program point L191-3(lines 186 194) the Hoare annotation is: false [2019-10-22 11:21:02,418 INFO L439 ceAbstractionStarter]: At program point L191-4(lines 186 194) the Hoare annotation is: false [2019-10-22 11:21:02,418 INFO L439 ceAbstractionStarter]: At program point L191-5(lines 186 194) the Hoare annotation is: false [2019-10-22 11:21:02,418 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 462) no Hoare annotation was computed. [2019-10-22 11:21:02,418 INFO L439 ceAbstractionStarter]: At program point L456-1(lines 456 462) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:02,418 INFO L439 ceAbstractionStarter]: At program point L258(lines 253 261) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:21:02,418 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-22 11:21:02,419 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:02,419 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 359) no Hoare annotation was computed. [2019-10-22 11:21:02,419 INFO L443 ceAbstractionStarter]: For program point L342-1(lines 342 359) no Hoare annotation was computed. [2019-10-22 11:21:02,419 INFO L443 ceAbstractionStarter]: For program point L342-2(lines 342 359) no Hoare annotation was computed. [2019-10-22 11:21:02,419 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2019-10-22 11:21:02,419 INFO L439 ceAbstractionStarter]: At program point L310(lines 309 328) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:02,419 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 283) no Hoare annotation was computed. [2019-10-22 11:21:02,420 INFO L443 ceAbstractionStarter]: For program point L310-1(lines 310 316) no Hoare annotation was computed. [2019-10-22 11:21:02,420 INFO L439 ceAbstractionStarter]: At program point L310-2(lines 309 328) the Hoare annotation is: false [2019-10-22 11:21:02,420 INFO L443 ceAbstractionStarter]: For program point L277-2(lines 277 283) no Hoare annotation was computed. [2019-10-22 11:21:02,420 INFO L439 ceAbstractionStarter]: At program point L310-3(lines 309 328) the Hoare annotation is: false [2019-10-22 11:21:02,420 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 182) no Hoare annotation was computed. [2019-10-22 11:21:02,421 INFO L443 ceAbstractionStarter]: For program point L277-4(lines 277 283) no Hoare annotation was computed. [2019-10-22 11:21:02,421 INFO L439 ceAbstractionStarter]: At program point L526(lines 477 527) the Hoare annotation is: false [2019-10-22 11:21:02,421 INFO L443 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2019-10-22 11:21:02,421 INFO L443 ceAbstractionStarter]: For program point L295-1(line 295) no Hoare annotation was computed. [2019-10-22 11:21:02,421 INFO L443 ceAbstractionStarter]: For program point L295-2(line 295) no Hoare annotation was computed. [2019-10-22 11:21:02,422 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 11:21:02,422 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 11:21:02,422 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:21:02,422 INFO L439 ceAbstractionStarter]: At program point L412(lines 407 415) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:02,422 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-22 11:21:02,422 INFO L439 ceAbstractionStarter]: At program point L412-1(lines 407 415) the Hoare annotation is: false [2019-10-22 11:21:02,423 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 354) no Hoare annotation was computed. [2019-10-22 11:21:02,423 INFO L439 ceAbstractionStarter]: At program point L412-2(lines 407 415) the Hoare annotation is: false [2019-10-22 11:21:02,423 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 346 354) no Hoare annotation was computed. [2019-10-22 11:21:02,423 INFO L443 ceAbstractionStarter]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2019-10-22 11:21:02,423 INFO L443 ceAbstractionStarter]: For program point L479(lines 478 525) no Hoare annotation was computed. [2019-10-22 11:21:02,423 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2019-10-22 11:21:02,424 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 484) no Hoare annotation was computed. [2019-10-22 11:21:02,424 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2019-10-22 11:21:02,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:02 BoogieIcfgContainer [2019-10-22 11:21:02,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:02,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:02,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:02,445 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:02,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:01" (3/4) ... [2019-10-22 11:21:02,449 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:02,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:21:02,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:21:02,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:21:02,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:21:02,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:02,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:21:02,499 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:21:02,499 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:21:02,502 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:21:02,540 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07fc9932-f205-4f11-ac09-13b5c58fd94e/bin/utaipan/witness.graphml [2019-10-22 11:21:02,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:02,542 INFO L168 Benchmark]: Toolchain (without parser) took 2701.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 949.9 MB in the beginning and 938.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 174.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:02,542 INFO L168 Benchmark]: CDTParser took 0.16 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 11:21:02,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -203.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:02,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:02,543 INFO L168 Benchmark]: Boogie Preprocessor took 43.59 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:02,544 INFO L168 Benchmark]: RCFGBuilder took 654.19 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: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:02,544 INFO L168 Benchmark]: TraceAbstraction took 1352.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.6 MB in the end (delta: 135.9 MB). Peak memory consumption was 135.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:02,544 INFO L168 Benchmark]: Witness Printer took 95.23 ms. Allocated memory is still 1.2 GB. Free memory was 944.6 MB in the beginning and 938.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:02,546 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -203.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.59 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 654.19 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: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1352.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.6 MB in the end (delta: 135.9 MB). Peak memory consumption was 135.9 MB. Max. memory is 11.5 GB. * Witness Printer took 95.23 ms. Allocated memory is still 1.2 GB. Free memory was 944.6 MB in the beginning and 938.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 306 SDtfs, 428 SDslu, 500 SDs, 0 SdLazy, 77 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 125 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...