./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec9c68e540d71032e1f0fa689079da08dc76dcea ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:49:56,016 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:49:56,017 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:49:56,025 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:49:56,025 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:49:56,025 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:49:56,026 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:49:56,027 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:49:56,028 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:49:56,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:49:56,028 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:49:56,029 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:49:56,029 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:49:56,030 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:49:56,030 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:49:56,031 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:49:56,031 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:49:56,032 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:49:56,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:49:56,034 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:49:56,034 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:49:56,035 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:49:56,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:49:56,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:49:56,036 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:49:56,037 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:49:56,037 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:49:56,038 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:49:56,038 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:49:56,039 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:49:56,039 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:49:56,039 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:49:56,039 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:49:56,039 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:49:56,040 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:49:56,040 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:49:56,040 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:49:56,047 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:49:56,047 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:49:56,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:49:56,048 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:49:56,048 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:49:56,048 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:49:56,048 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:49:56,048 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:49:56,048 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:49:56,049 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:49:56,049 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:49:56,049 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:49:56,049 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:49:56,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:49:56,049 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:49:56,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:49:56,049 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:49:56,049 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:49:56,050 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:49:56,050 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:49:56,051 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:49:56,051 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:49:56,051 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:49:56,051 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:49:56,051 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:49:56,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:49:56,051 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:49:56,051 INFO L133 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_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec9c68e540d71032e1f0fa689079da08dc76dcea [2018-12-02 04:49:56,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:49:56,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:49:56,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:49:56,077 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:49:56,078 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:49:56,078 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product04_true-unreach-call_false-termination.cil.c [2018-12-02 04:49:56,112 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/data/59c0e1b29/64ec64eb9a4a4f2cbd423dda027d22d7/FLAG5de90ce49 [2018-12-02 04:49:56,536 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:49:56,537 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/sv-benchmarks/c/product-lines/minepump_spec2_product04_true-unreach-call_false-termination.cil.c [2018-12-02 04:49:56,542 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/data/59c0e1b29/64ec64eb9a4a4f2cbd423dda027d22d7/FLAG5de90ce49 [2018-12-02 04:49:56,550 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/data/59c0e1b29/64ec64eb9a4a4f2cbd423dda027d22d7 [2018-12-02 04:49:56,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:49:56,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:49:56,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:49:56,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:49:56,555 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:49:56,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56, skipping insertion in model container [2018-12-02 04:49:56,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:49:56,583 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:49:56,736 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:49:56,776 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:49:56,820 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:49:56,834 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:49:56,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56 WrapperNode [2018-12-02 04:49:56,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:49:56,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:49:56,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:49:56,835 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:49:56,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:49:56,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:49:56,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:49:56,855 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:49:56,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... [2018-12-02 04:49:56,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:49:56,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:49:56,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:49:56,876 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:49:56,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/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 [2018-12-02 04:49:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 04:49:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 04:49:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:49:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:49:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 04:49:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 04:49:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:49:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 04:49:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 04:49:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 04:49:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 04:49:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 04:49:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 04:49:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 04:49:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 04:49:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 04:49:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 04:49:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 04:49:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 04:49:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 04:49:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 04:49:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 04:49:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 04:49:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 04:49:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 04:49:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 04:49:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 04:49:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 04:49:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 04:49:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 04:49:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 04:49:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 04:49:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 04:49:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 04:49:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 04:49:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 04:49:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 04:49:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 04:49:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 04:49:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 04:49:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:49:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:49:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 04:49:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 04:49:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 04:49:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 04:49:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:49:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:49:57,195 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:49:57,195 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 04:49:57,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:49:57 BoogieIcfgContainer [2018-12-02 04:49:57,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:49:57,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:49:57,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:49:57,199 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:49:57,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:49:56" (1/3) ... [2018-12-02 04:49:57,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6aafc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:49:57, skipping insertion in model container [2018-12-02 04:49:57,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:56" (2/3) ... [2018-12-02 04:49:57,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6aafc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:49:57, skipping insertion in model container [2018-12-02 04:49:57,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:49:57" (3/3) ... [2018-12-02 04:49:57,202 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04_true-unreach-call_false-termination.cil.c [2018-12-02 04:49:57,211 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:49:57,218 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:49:57,229 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:49:57,248 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:49:57,248 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:49:57,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:49:57,248 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:49:57,248 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:49:57,248 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:49:57,248 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:49:57,248 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:49:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-12-02 04:49:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 04:49:57,271 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:49:57,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:49:57,274 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:49:57,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:49:57,278 INFO L82 PathProgramCache]: Analyzing trace with hash 677613732, now seen corresponding path program 1 times [2018-12-02 04:49:57,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:49:57,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:57,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:49:57,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:57,313 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:49:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:49:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:49:57,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:49:57,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:49:57,439 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:49:57,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 04:49:57,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 04:49:57,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:49:57,452 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2018-12-02 04:49:57,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:49:57,471 INFO L93 Difference]: Finished difference Result 194 states and 241 transitions. [2018-12-02 04:49:57,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 04:49:57,472 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 04:49:57,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:49:57,479 INFO L225 Difference]: With dead ends: 194 [2018-12-02 04:49:57,479 INFO L226 Difference]: Without dead ends: 99 [2018-12-02 04:49:57,481 INFO L631 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 [2018-12-02 04:49:57,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-12-02 04:49:57,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-12-02 04:49:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-02 04:49:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2018-12-02 04:49:57,509 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 51 [2018-12-02 04:49:57,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:49:57,509 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2018-12-02 04:49:57,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 04:49:57,509 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2018-12-02 04:49:57,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 04:49:57,511 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:49:57,511 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:49:57,511 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:49:57,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:49:57,512 INFO L82 PathProgramCache]: Analyzing trace with hash 792514903, now seen corresponding path program 1 times [2018-12-02 04:49:57,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:49:57,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:57,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:49:57,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:57,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:49:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:49:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:49:57,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:49:57,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:49:57,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:49:57,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:49:57,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:49:57,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:49:57,576 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 3 states. [2018-12-02 04:49:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:49:57,586 INFO L93 Difference]: Finished difference Result 130 states and 149 transitions. [2018-12-02 04:49:57,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:49:57,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 04:49:57,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:49:57,587 INFO L225 Difference]: With dead ends: 130 [2018-12-02 04:49:57,587 INFO L226 Difference]: Without dead ends: 90 [2018-12-02 04:49:57,588 INFO L631 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 [2018-12-02 04:49:57,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-02 04:49:57,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-02 04:49:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-02 04:49:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2018-12-02 04:49:57,594 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 52 [2018-12-02 04:49:57,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:49:57,594 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2018-12-02 04:49:57,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:49:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2018-12-02 04:49:57,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 04:49:57,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:49:57,595 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:49:57,596 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:49:57,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:49:57,596 INFO L82 PathProgramCache]: Analyzing trace with hash -201854747, now seen corresponding path program 1 times [2018-12-02 04:49:57,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:49:57,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:57,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:49:57,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:57,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:49:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:49:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:49:57,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:49:57,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:49:57,675 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:49:57,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:49:57,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:49:57,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:49:57,676 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 7 states. [2018-12-02 04:49:57,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:49:57,891 INFO L93 Difference]: Finished difference Result 265 states and 320 transitions. [2018-12-02 04:49:57,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:49:57,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 04:49:57,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:49:57,893 INFO L225 Difference]: With dead ends: 265 [2018-12-02 04:49:57,893 INFO L226 Difference]: Without dead ends: 203 [2018-12-02 04:49:57,894 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:49:57,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-12-02 04:49:57,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 179. [2018-12-02 04:49:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-12-02 04:49:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 214 transitions. [2018-12-02 04:49:57,915 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 214 transitions. Word has length 57 [2018-12-02 04:49:57,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:49:57,915 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 214 transitions. [2018-12-02 04:49:57,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:49:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 214 transitions. [2018-12-02 04:49:57,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 04:49:57,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:49:57,917 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:49:57,917 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:49:57,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:49:57,918 INFO L82 PathProgramCache]: Analyzing trace with hash 431926534, now seen corresponding path program 1 times [2018-12-02 04:49:57,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:49:57,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:57,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:49:57,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:57,919 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:49:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:49:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:49:58,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:49:58,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:49:58,003 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:49:58,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:49:58,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:49:58,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:49:58,004 INFO L87 Difference]: Start difference. First operand 179 states and 214 transitions. Second operand 6 states. [2018-12-02 04:49:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:49:58,112 INFO L93 Difference]: Finished difference Result 463 states and 576 transitions. [2018-12-02 04:49:58,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 04:49:58,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-02 04:49:58,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:49:58,115 INFO L225 Difference]: With dead ends: 463 [2018-12-02 04:49:58,115 INFO L226 Difference]: Without dead ends: 312 [2018-12-02 04:49:58,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 04:49:58,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-12-02 04:49:58,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 306. [2018-12-02 04:49:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-12-02 04:49:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 368 transitions. [2018-12-02 04:49:58,142 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 368 transitions. Word has length 60 [2018-12-02 04:49:58,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:49:58,143 INFO L480 AbstractCegarLoop]: Abstraction has 306 states and 368 transitions. [2018-12-02 04:49:58,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:49:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 368 transitions. [2018-12-02 04:49:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 04:49:58,145 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:49:58,145 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:49:58,145 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:49:58,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:49:58,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1174717122, now seen corresponding path program 1 times [2018-12-02 04:49:58,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:49:58,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:58,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:49:58,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:49:58,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:49:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:49:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:49:58,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:49:58,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:49:58,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:49:58,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:49:58,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:49:58,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:49:58,223 INFO L87 Difference]: Start difference. First operand 306 states and 368 transitions. Second operand 6 states. [2018-12-02 04:49:58,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:49:58,333 INFO L93 Difference]: Finished difference Result 552 states and 681 transitions. [2018-12-02 04:49:58,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 04:49:58,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-02 04:49:58,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:49:58,334 INFO L225 Difference]: With dead ends: 552 [2018-12-02 04:49:58,334 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 04:49:58,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 04:49:58,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 04:49:58,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 04:49:58,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 04:49:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 04:49:58,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-12-02 04:49:58,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:49:58,338 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 04:49:58,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:49:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 04:49:58,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:49:58,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 04:49:58,711 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 667 674) the Hoare annotation is: true [2018-12-02 04:49:58,711 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 667 674) no Hoare annotation was computed. [2018-12-02 04:49:58,712 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 667 674) no Hoare annotation was computed. [2018-12-02 04:49:58,712 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 652 658) no Hoare annotation was computed. [2018-12-02 04:49:58,712 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 652 658) the Hoare annotation is: true [2018-12-02 04:49:58,712 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-12-02 04:49:58,712 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-12-02 04:49:58,712 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-12-02 04:49:58,712 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-12-02 04:49:58,712 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-12-02 04:49:58,712 INFO L444 ceAbstractionStarter]: At program point L609(lines 558 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,713 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 549 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,713 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,713 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 549 616) no Hoare annotation was computed. [2018-12-02 04:49:58,713 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 603) no Hoare annotation was computed. [2018-12-02 04:49:58,713 INFO L444 ceAbstractionStarter]: At program point L597-1(lines 589 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,713 INFO L448 ceAbstractionStarter]: For program point L560(lines 559 608) no Hoare annotation was computed. [2018-12-02 04:49:58,713 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,713 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 604) no Hoare annotation was computed. [2018-12-02 04:49:58,713 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,713 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 585) no Hoare annotation was computed. [2018-12-02 04:49:58,714 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2018-12-02 04:49:58,714 INFO L444 ceAbstractionStarter]: At program point L606(lines 559 608) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,714 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,714 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2018-12-02 04:49:58,714 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2018-12-02 04:49:58,714 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2018-12-02 04:49:58,714 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 549 616) no Hoare annotation was computed. [2018-12-02 04:49:58,714 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,714 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2018-12-02 04:49:58,714 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,715 INFO L444 ceAbstractionStarter]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,715 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 540) no Hoare annotation was computed. [2018-12-02 04:49:58,715 INFO L448 ceAbstractionStarter]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2018-12-02 04:49:58,715 INFO L448 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2018-12-02 04:49:58,715 INFO L444 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,715 INFO L444 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,715 INFO L444 ceAbstractionStarter]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,715 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2018-12-02 04:49:58,715 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-02 04:49:58,715 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 731 745) no Hoare annotation was computed. [2018-12-02 04:49:58,715 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2018-12-02 04:49:58,716 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 731 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-02 04:49:58,716 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 731 745) no Hoare annotation was computed. [2018-12-02 04:49:58,716 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 686 694) no Hoare annotation was computed. [2018-12-02 04:49:58,716 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 686 694) the Hoare annotation is: true [2018-12-02 04:49:58,716 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 686 694) no Hoare annotation was computed. [2018-12-02 04:49:58,716 INFO L444 ceAbstractionStarter]: At program point L864(line 864) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 04:49:58,716 INFO L448 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2018-12-02 04:49:58,716 INFO L448 ceAbstractionStarter]: For program point L862(lines 862 879) no Hoare annotation was computed. [2018-12-02 04:49:58,716 INFO L448 ceAbstractionStarter]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2018-12-02 04:49:58,716 INFO L451 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: true [2018-12-02 04:49:58,716 INFO L448 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2018-12-02 04:49:58,716 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 854 882) the Hoare annotation is: true [2018-12-02 04:49:58,717 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-02 04:49:58,717 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 854 882) no Hoare annotation was computed. [2018-12-02 04:49:58,717 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2018-12-02 04:49:58,717 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 876) no Hoare annotation was computed. [2018-12-02 04:49:58,717 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 846 853) the Hoare annotation is: true [2018-12-02 04:49:58,717 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 846 853) no Hoare annotation was computed. [2018-12-02 04:49:58,717 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 846 853) no Hoare annotation was computed. [2018-12-02 04:49:58,717 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:49:58,717 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:49:58,717 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:49:58,717 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 791 802) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,717 INFO L448 ceAbstractionStarter]: For program point L795-1(lines 791 802) no Hoare annotation was computed. [2018-12-02 04:49:58,718 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 791 802) no Hoare annotation was computed. [2018-12-02 04:49:58,718 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 803 811) the Hoare annotation is: true [2018-12-02 04:49:58,718 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 803 811) no Hoare annotation was computed. [2018-12-02 04:49:58,718 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 803 811) no Hoare annotation was computed. [2018-12-02 04:49:58,718 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-12-02 04:49:58,718 INFO L451 ceAbstractionStarter]: At program point L639(lines 639 645) the Hoare annotation is: true [2018-12-02 04:49:58,718 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-02 04:49:58,718 INFO L448 ceAbstractionStarter]: For program point L632(lines 631 650) no Hoare annotation was computed. [2018-12-02 04:49:58,718 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: true [2018-12-02 04:49:58,718 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2018-12-02 04:49:58,718 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2018-12-02 04:49:58,718 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2018-12-02 04:49:58,718 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2018-12-02 04:49:58,719 INFO L451 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2018-12-02 04:49:58,719 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 04:49:58,719 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2018-12-02 04:49:58,719 INFO L451 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2018-12-02 04:49:58,719 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-02 04:49:58,719 INFO L451 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2018-12-02 04:49:58,719 INFO L451 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-12-02 04:49:58,719 INFO L448 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2018-12-02 04:49:58,719 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 767 778) the Hoare annotation is: true [2018-12-02 04:49:58,719 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 767 778) no Hoare annotation was computed. [2018-12-02 04:49:58,719 INFO L448 ceAbstractionStarter]: For program point L771-1(lines 767 778) no Hoare annotation was computed. [2018-12-02 04:49:58,719 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-12-02 04:49:58,719 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-12-02 04:49:58,719 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2018-12-02 04:49:58,720 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2018-12-02 04:49:58,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:49:58,720 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-02 04:49:58,720 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:49:58,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:49:58,720 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 746 753) no Hoare annotation was computed. [2018-12-02 04:49:58,720 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 746 753) the Hoare annotation is: true [2018-12-02 04:49:58,720 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 746 753) no Hoare annotation was computed. [2018-12-02 04:49:58,720 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 779 790) no Hoare annotation was computed. [2018-12-02 04:49:58,720 INFO L448 ceAbstractionStarter]: For program point L783-1(lines 779 790) no Hoare annotation was computed. [2018-12-02 04:49:58,720 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 779 790) the Hoare annotation is: true [2018-12-02 04:49:58,720 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 755 762) no Hoare annotation was computed. [2018-12-02 04:49:58,721 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 755 762) the Hoare annotation is: true [2018-12-02 04:49:58,721 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2018-12-02 04:49:58,721 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 755 762) no Hoare annotation was computed. [2018-12-02 04:49:58,721 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,721 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2018-12-02 04:49:58,721 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2018-12-02 04:49:58,721 INFO L444 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 04:49:58,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:49:58 BoogieIcfgContainer [2018-12-02 04:49:58,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:49:58,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:49:58,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:49:58,731 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:49:58,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:49:57" (3/4) ... [2018-12-02 04:49:58,734 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:49:58,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 04:49:58,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 04:49:58,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 04:49:58,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 04:49:58,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 04:49:58,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 04:49:58,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 04:49:58,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 04:49:58,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 04:49:58,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 04:49:58,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 04:49:58,744 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-02 04:49:58,744 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 04:49:58,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 04:49:58,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 04:49:58,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 04:49:58,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 04:49:58,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 04:49:58,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 04:49:58,780 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_72c78156-c662-410b-b57d-238ad394bda7/bin-2019/utaipan/witness.graphml [2018-12-02 04:49:58,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:49:58,780 INFO L168 Benchmark]: Toolchain (without parser) took 2228.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -240.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:49:58,781 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:49:58,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:49:58,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.03 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. [2018-12-02 04:49:58,782 INFO L168 Benchmark]: Boogie Preprocessor took 20.08 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. [2018-12-02 04:49:58,782 INFO L168 Benchmark]: RCFGBuilder took 320.50 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-02 04:49:58,782 INFO L168 Benchmark]: TraceAbstraction took 1533.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -128.8 MB). Peak memory consumption was 282.2 MB. Max. memory is 11.5 GB. [2018-12-02 04:49:58,782 INFO L168 Benchmark]: Witness Printer took 49.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:49:58,784 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.03 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 20.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 320.50 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1533.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -128.8 MB). Peak memory consumption was 282.2 MB. Max. memory is 11.5 GB. * Witness Printer took 49.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 112 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 539 SDtfs, 310 SDslu, 1020 SDs, 0 SdLazy, 251 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 310 PreInvPairs, 353 NumberOfFragments, 430 HoareAnnotationTreeSize, 310 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 1255 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 28779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...