./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/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 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:22:31,790 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:22:31,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:22:31,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:22:31,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:22:31,801 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:22:31,802 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:22:31,804 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:22:31,805 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:22:31,806 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:22:31,807 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:22:31,807 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:22:31,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:22:31,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:22:31,809 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:22:31,810 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:22:31,811 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:22:31,812 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:22:31,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:22:31,815 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:22:31,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:22:31,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:22:31,819 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:22:31,819 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:22:31,819 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:22:31,820 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:22:31,821 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:22:31,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:22:31,823 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:22:31,823 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:22:31,824 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:22:31,824 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:22:31,824 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:22:31,825 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:22:31,825 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:22:31,826 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:22:31,827 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:22:31,837 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:22:31,837 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:22:31,838 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:22:31,838 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:22:31,838 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:22:31,839 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:22:31,839 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:22:31,839 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:22:31,839 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:22:31,839 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:22:31,839 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:22:31,840 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:22:31,840 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:22:31,840 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:22:31,840 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:22:31,840 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:22:31,840 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:22:31,841 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:22:31,841 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:22:31,841 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:22:31,841 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:22:31,841 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:22:31,841 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:22:31,841 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:22:31,842 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:22:31,842 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:22:31,842 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:22:31,842 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:22:31,842 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:22:31,842 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:22:31,842 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:22:31,842 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:22:31,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:22:31,843 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:22:31,843 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_9d00a83c-6478-42a2-8dcb-e390544f88f4/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 -> 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e [2018-10-26 22:22:31,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:22:31,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:22:31,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:22:31,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:22:31,882 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:22:31,883 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product12_true-unreach-call_false-termination.cil.c [2018-10-26 22:22:31,930 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/data/519f88435/2a9862d39fde4d5c9f9f39f1387d2ba5/FLAGe402e71c8 [2018-10-26 22:22:32,400 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:22:32,401 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/sv-benchmarks/c/product-lines/minepump_spec2_product12_true-unreach-call_false-termination.cil.c [2018-10-26 22:22:32,415 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/data/519f88435/2a9862d39fde4d5c9f9f39f1387d2ba5/FLAGe402e71c8 [2018-10-26 22:22:32,432 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/data/519f88435/2a9862d39fde4d5c9f9f39f1387d2ba5 [2018-10-26 22:22:32,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:22:32,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:22:32,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:22:32,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:22:32,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:22:32,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:32,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32fa1e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32, skipping insertion in model container [2018-10-26 22:22:32,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:32,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:22:32,495 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:22:32,770 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:22:32,786 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:22:32,867 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:22:32,894 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:22:32,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32 WrapperNode [2018-10-26 22:22:32,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:22:32,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:22:32,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:22:32,895 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:22:32,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:32,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:33,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:22:33,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:22:33,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:22:33,016 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:22:33,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:33,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:33,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:33,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:33,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:33,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:33,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... [2018-10-26 22:22:33,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:22:33,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:22:33,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:22:33,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:22:33,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/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 [2018-10-26 22:22:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:22:33,102 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:22:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:22:33,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:22:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 22:22:33,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 22:22:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:22:33,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:22:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:22:33,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:22:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:22:33,103 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:22:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-10-26 22:22:33,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-10-26 22:22:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-10-26 22:22:33,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-10-26 22:22:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:22:33,103 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:22:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:22:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:22:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:22:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:22:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:22:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:22:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 22:22:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 22:22:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:22:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:22:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:22:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:22:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:22:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:22:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:22:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:22:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:22:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:22:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:22:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:22:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:22:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:22:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:22:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:22:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:22:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:22:33,107 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:22:33,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:22:34,043 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:22:34,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:22:34 BoogieIcfgContainer [2018-10-26 22:22:34,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:22:34,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:22:34,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:22:34,046 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:22:34,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:22:32" (1/3) ... [2018-10-26 22:22:34,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc19ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:22:34, skipping insertion in model container [2018-10-26 22:22:34,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:22:32" (2/3) ... [2018-10-26 22:22:34,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc19ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:22:34, skipping insertion in model container [2018-10-26 22:22:34,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:22:34" (3/3) ... [2018-10-26 22:22:34,049 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12_true-unreach-call_false-termination.cil.c [2018-10-26 22:22:34,055 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:22:34,061 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:22:34,070 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:22:34,095 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:22:34,095 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:22:34,095 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:22:34,095 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:22:34,095 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:22:34,096 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:22:34,096 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:22:34,096 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:22:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2018-10-26 22:22:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 22:22:34,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:22:34,121 INFO L375 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] [2018-10-26 22:22:34,123 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:22:34,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:22:34,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1822302096, now seen corresponding path program 1 times [2018-10-26 22:22:34,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:22:34,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:34,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:22:34,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:34,175 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:22:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:22:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:22:34,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:22:34,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:22:34,436 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:22:34,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:22:34,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:22:34,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:22:34,454 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2018-10-26 22:22:34,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:22:34,481 INFO L93 Difference]: Finished difference Result 198 states and 245 transitions. [2018-10-26 22:22:34,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:22:34,483 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-10-26 22:22:34,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:22:34,493 INFO L225 Difference]: With dead ends: 198 [2018-10-26 22:22:34,493 INFO L226 Difference]: Without dead ends: 101 [2018-10-26 22:22:34,497 INFO L605 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 [2018-10-26 22:22:34,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-10-26 22:22:34,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-10-26 22:22:34,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-10-26 22:22:34,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2018-10-26 22:22:34,538 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 51 [2018-10-26 22:22:34,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:22:34,539 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2018-10-26 22:22:34,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:22:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-10-26 22:22:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:22:34,542 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:22:34,542 INFO L375 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] [2018-10-26 22:22:34,542 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:22:34,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:22:34,543 INFO L82 PathProgramCache]: Analyzing trace with hash 460807528, now seen corresponding path program 1 times [2018-10-26 22:22:34,543 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:22:34,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:34,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:22:34,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:34,544 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:22:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:22:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:22:34,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:22:34,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:22:34,658 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:22:34,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:22:34,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:22:34,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:22:34,670 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 3 states. [2018-10-26 22:22:34,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:22:34,692 INFO L93 Difference]: Finished difference Result 132 states and 151 transitions. [2018-10-26 22:22:34,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:22:34,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-10-26 22:22:34,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:22:34,694 INFO L225 Difference]: With dead ends: 132 [2018-10-26 22:22:34,694 INFO L226 Difference]: Without dead ends: 91 [2018-10-26 22:22:34,695 INFO L605 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 [2018-10-26 22:22:34,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-10-26 22:22:34,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-10-26 22:22:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-10-26 22:22:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2018-10-26 22:22:34,705 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 53 [2018-10-26 22:22:34,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:22:34,705 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2018-10-26 22:22:34,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:22:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2018-10-26 22:22:34,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 22:22:34,708 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:22:34,708 INFO L375 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] [2018-10-26 22:22:34,708 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:22:34,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:22:34,709 INFO L82 PathProgramCache]: Analyzing trace with hash -594454002, now seen corresponding path program 1 times [2018-10-26 22:22:34,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:22:34,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:34,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:22:34,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:34,711 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:22:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:22:34,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:22:34,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:22:34,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:22:34,923 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:22:34,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:22:34,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:22:34,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:22:34,924 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 7 states. [2018-10-26 22:22:35,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:22:35,634 INFO L93 Difference]: Finished difference Result 269 states and 324 transitions. [2018-10-26 22:22:35,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:22:35,635 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-10-26 22:22:35,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:22:35,637 INFO L225 Difference]: With dead ends: 269 [2018-10-26 22:22:35,638 INFO L226 Difference]: Without dead ends: 206 [2018-10-26 22:22:35,638 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:22:35,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-10-26 22:22:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 182. [2018-10-26 22:22:35,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-10-26 22:22:35,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 217 transitions. [2018-10-26 22:22:35,685 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 217 transitions. Word has length 58 [2018-10-26 22:22:35,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:22:35,685 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 217 transitions. [2018-10-26 22:22:35,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:22:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 217 transitions. [2018-10-26 22:22:35,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 22:22:35,687 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:22:35,687 INFO L375 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] [2018-10-26 22:22:35,688 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:22:35,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:22:35,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1322378046, now seen corresponding path program 1 times [2018-10-26 22:22:35,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:22:35,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:35,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:22:35,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:35,689 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:22:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:22:36,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:22:36,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:22:36,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:22:36,183 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:22:36,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:22:36,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:22:36,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:22:36,185 INFO L87 Difference]: Start difference. First operand 182 states and 217 transitions. Second operand 6 states. [2018-10-26 22:22:36,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:22:36,734 INFO L93 Difference]: Finished difference Result 472 states and 585 transitions. [2018-10-26 22:22:36,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:22:36,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-10-26 22:22:36,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:22:36,739 INFO L225 Difference]: With dead ends: 472 [2018-10-26 22:22:36,739 INFO L226 Difference]: Without dead ends: 318 [2018-10-26 22:22:36,740 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:22:36,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-10-26 22:22:36,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 312. [2018-10-26 22:22:36,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-10-26 22:22:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 374 transitions. [2018-10-26 22:22:36,773 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 374 transitions. Word has length 61 [2018-10-26 22:22:36,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:22:36,773 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 374 transitions. [2018-10-26 22:22:36,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:22:36,773 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 374 transitions. [2018-10-26 22:22:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:22:36,776 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:22:36,776 INFO L375 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, 1] [2018-10-26 22:22:36,777 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:22:36,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:22:36,777 INFO L82 PathProgramCache]: Analyzing trace with hash -878437222, now seen corresponding path program 1 times [2018-10-26 22:22:36,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:22:36,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:36,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:22:36,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:22:36,779 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:22:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:22:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:22:36,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:22:36,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:22:36,904 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:22:36,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:22:36,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:22:36,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:22:36,917 INFO L87 Difference]: Start difference. First operand 312 states and 374 transitions. Second operand 6 states. [2018-10-26 22:22:37,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:22:37,153 INFO L93 Difference]: Finished difference Result 564 states and 693 transitions. [2018-10-26 22:22:37,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:22:37,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-10-26 22:22:37,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:22:37,155 INFO L225 Difference]: With dead ends: 564 [2018-10-26 22:22:37,155 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:22:37,157 INFO L605 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 [2018-10-26 22:22:37,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:22:37,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:22:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:22:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:22:37,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-10-26 22:22:37,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:22:37,160 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:22:37,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:22:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:22:37,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:22:37,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:22:37,567 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 22:22:37,739 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 22:22:37,938 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 22:22:38,650 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 221 228) the Hoare annotation is: true [2018-10-26 22:22:38,650 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 221 228) no Hoare annotation was computed. [2018-10-26 22:22:38,650 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 221 228) no Hoare annotation was computed. [2018-10-26 22:22:38,650 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 188 194) no Hoare annotation was computed. [2018-10-26 22:22:38,650 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 188 194) the Hoare annotation is: true [2018-10-26 22:22:38,650 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-10-26 22:22:38,650 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-10-26 22:22:38,650 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-10-26 22:22:38,651 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-10-26 22:22:38,651 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-10-26 22:22:38,651 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 84 151) 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))) [2018-10-26 22:22:38,651 INFO L425 ceAbstractionStarter]: For program point L95(lines 94 143) no Hoare annotation was computed. [2018-10-26 22:22:38,651 INFO L421 ceAbstractionStarter]: At program point L126(line 126) 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))) [2018-10-26 22:22:38,651 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 139) no Hoare annotation was computed. [2018-10-26 22:22:38,651 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 84 151) no Hoare annotation was computed. [2018-10-26 22:22:38,651 INFO L421 ceAbstractionStarter]: At program point L116(line 116) 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))) [2018-10-26 22:22:38,652 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 120) no Hoare annotation was computed. [2018-10-26 22:22:38,652 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 114 120) no Hoare annotation was computed. [2018-10-26 22:22:38,652 INFO L421 ceAbstractionStarter]: At program point L141(lines 94 143) 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))) [2018-10-26 22:22:38,652 INFO L421 ceAbstractionStarter]: At program point L106(line 106) 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))) [2018-10-26 22:22:38,652 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 110) no Hoare annotation was computed. [2018-10-26 22:22:38,652 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 104 110) no Hoare annotation was computed. [2018-10-26 22:22:38,652 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2018-10-26 22:22:38,652 INFO L425 ceAbstractionStarter]: For program point L94-1(lines 94 143) no Hoare annotation was computed. [2018-10-26 22:22:38,652 INFO L421 ceAbstractionStarter]: At program point L144(lines 93 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:22:38,652 INFO L421 ceAbstractionStarter]: At program point L134(line 134) 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))) [2018-10-26 22:22:38,653 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2018-10-26 22:22:38,653 INFO L421 ceAbstractionStarter]: At program point L132-1(lines 124 139) 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))) [2018-10-26 22:22:38,653 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 84 151) no Hoare annotation was computed. [2018-10-26 22:22:38,653 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 878 900) 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))) [2018-10-26 22:22:38,653 INFO L421 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:22:38,653 INFO L421 ceAbstractionStarter]: At program point L890-1(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:22:38,653 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 878 900) no Hoare annotation was computed. [2018-10-26 22:22:38,653 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 895) no Hoare annotation was computed. [2018-10-26 22:22:38,653 INFO L425 ceAbstractionStarter]: For program point L888-1(lines 888 895) no Hoare annotation was computed. [2018-10-26 22:22:38,653 INFO L425 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2018-10-26 22:22:38,654 INFO L421 ceAbstractionStarter]: At program point L885(line 885) 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))) [2018-10-26 22:22:38,654 INFO L421 ceAbstractionStarter]: At program point L884(line 884) 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))) [2018-10-26 22:22:38,654 INFO L421 ceAbstractionStarter]: At program point L884-1(line 884) 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))) [2018-10-26 22:22:38,661 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 878 900) no Hoare annotation was computed. [2018-10-26 22:22:38,661 INFO L425 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2018-10-26 22:22:38,661 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 285 299) no Hoare annotation was computed. [2018-10-26 22:22:38,661 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 285 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 22:22:38,661 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 285 299) no Hoare annotation was computed. [2018-10-26 22:22:38,661 INFO L421 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 22:22:38,661 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 240 248) no Hoare annotation was computed. [2018-10-26 22:22:38,662 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 240 248) the Hoare annotation is: true [2018-10-26 22:22:38,662 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 240 248) no Hoare annotation was computed. [2018-10-26 22:22:38,662 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 319 347) the Hoare annotation is: true [2018-10-26 22:22:38,662 INFO L421 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 22:22:38,662 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2018-10-26 22:22:38,662 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 341) no Hoare annotation was computed. [2018-10-26 22:22:38,662 INFO L421 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-10-26 22:22:38,662 INFO L425 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2018-10-26 22:22:38,662 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2018-10-26 22:22:38,662 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 319 347) no Hoare annotation was computed. [2018-10-26 22:22:38,662 INFO L428 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-10-26 22:22:38,662 INFO L425 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-10-26 22:22:38,662 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 319 347) no Hoare annotation was computed. [2018-10-26 22:22:38,663 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 311 318) the Hoare annotation is: true [2018-10-26 22:22:38,663 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 311 318) no Hoare annotation was computed. [2018-10-26 22:22:38,663 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 311 318) no Hoare annotation was computed. [2018-10-26 22:22:38,663 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:22:38,663 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:22:38,663 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:22:38,663 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 376 387) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:22:38,663 INFO L425 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-10-26 22:22:38,663 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 376 387) no Hoare annotation was computed. [2018-10-26 22:22:38,663 INFO L421 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-10-26 22:22:38,663 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 164 187) the Hoare annotation is: true [2018-10-26 22:22:38,663 INFO L428 ceAbstractionStarter]: At program point L175(lines 175 181) the Hoare annotation is: true [2018-10-26 22:22:38,663 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 164 187) no Hoare annotation was computed. [2018-10-26 22:22:38,664 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 22:22:38,664 INFO L425 ceAbstractionStarter]: For program point L168(lines 167 186) no Hoare annotation was computed. [2018-10-26 22:22:38,664 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 164 187) no Hoare annotation was computed. [2018-10-26 22:22:38,664 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 806 835) no Hoare annotation was computed. [2018-10-26 22:22:38,664 INFO L425 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2018-10-26 22:22:38,664 INFO L428 ceAbstractionStarter]: At program point L820-1(lines 820 824) the Hoare annotation is: true [2018-10-26 22:22:38,664 INFO L425 ceAbstractionStarter]: For program point L816-1(lines 816 830) no Hoare annotation was computed. [2018-10-26 22:22:38,664 INFO L428 ceAbstractionStarter]: At program point L816-3(lines 816 830) the Hoare annotation is: true [2018-10-26 22:22:38,664 INFO L428 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2018-10-26 22:22:38,664 INFO L425 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2018-10-26 22:22:38,664 INFO L428 ceAbstractionStarter]: At program point L831(lines 806 835) the Hoare annotation is: true [2018-10-26 22:22:38,664 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 806 835) the Hoare annotation is: true [2018-10-26 22:22:38,664 INFO L425 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-10-26 22:22:38,664 INFO L425 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2018-10-26 22:22:38,665 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 388 396) the Hoare annotation is: true [2018-10-26 22:22:38,665 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 388 396) no Hoare annotation was computed. [2018-10-26 22:22:38,665 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 388 396) no Hoare annotation was computed. [2018-10-26 22:22:38,665 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 352 363) the Hoare annotation is: true [2018-10-26 22:22:38,665 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 352 363) no Hoare annotation was computed. [2018-10-26 22:22:38,665 INFO L425 ceAbstractionStarter]: For program point L356-1(lines 352 363) no Hoare annotation was computed. [2018-10-26 22:22:38,665 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-10-26 22:22:38,665 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-10-26 22:22:38,665 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:22:38,665 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 22:22:38,665 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:22:38,665 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:22:38,665 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 860 866) no Hoare annotation was computed. [2018-10-26 22:22:38,666 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 860 866) the Hoare annotation is: true [2018-10-26 22:22:38,666 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 300 307) no Hoare annotation was computed. [2018-10-26 22:22:38,666 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 300 307) the Hoare annotation is: true [2018-10-26 22:22:38,666 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 300 307) no Hoare annotation was computed. [2018-10-26 22:22:38,666 INFO L425 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-10-26 22:22:38,666 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 364 375) no Hoare annotation was computed. [2018-10-26 22:22:38,666 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 364 375) the Hoare annotation is: true [2018-10-26 22:22:38,666 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 430 437) no Hoare annotation was computed. [2018-10-26 22:22:38,666 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2018-10-26 22:22:38,666 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 430 437) the Hoare annotation is: true [2018-10-26 22:22:38,666 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 430 437) no Hoare annotation was computed. [2018-10-26 22:22:38,667 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 867 877) 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))) [2018-10-26 22:22:38,667 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 867 877) no Hoare annotation was computed. [2018-10-26 22:22:38,667 INFO L421 ceAbstractionStarter]: At program point L872(line 872) 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))) [2018-10-26 22:22:38,667 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 867 877) no Hoare annotation was computed. [2018-10-26 22:22:38,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:22:38 BoogieIcfgContainer [2018-10-26 22:22:38,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:22:38,684 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:22:38,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:22:38,685 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:22:38,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:22:34" (3/4) ... [2018-10-26 22:22:38,689 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:22:38,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:22:38,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:22:38,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:22:38,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:22:38,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:22:38,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:22:38,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:22:38,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 22:22:38,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:22:38,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:22:38,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:22:38,706 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-10-26 22:22:38,706 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:22:38,707 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:22:38,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 22:22:38,734 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 22:22:38,779 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d00a83c-6478-42a2-8dcb-e390544f88f4/bin-2019/utaipan/witness.graphml [2018-10-26 22:22:38,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:22:38,779 INFO L168 Benchmark]: Toolchain (without parser) took 6342.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 959.3 MB in the beginning and 1.0 GB in the end (delta: -68.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:38,780 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:22:38,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:38,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:38,781 INFO L168 Benchmark]: Boogie Preprocessor took 33.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:38,781 INFO L168 Benchmark]: RCFGBuilder took 995.20 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: 82.7 MB). Peak memory consumption was 82.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:38,781 INFO L168 Benchmark]: TraceAbstraction took 4639.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:38,781 INFO L168 Benchmark]: Witness Printer took 94.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:22:38,786 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 456.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 995.20 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: 82.7 MB). Peak memory consumption was 82.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4639.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * Witness Printer took 94.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: 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: 93]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 114 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 545 SDtfs, 267 SDslu, 1101 SDs, 0 SdLazy, 253 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 310 PreInvPairs, 353 NumberOfFragments, 430 HoareAnnotationTreeSize, 310 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 1255 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 29985 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...