./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product15_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_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/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 a79e268ddb88b862b3e99a66782eee3a2de30d36 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 06:18:44,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 06:18:44,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 06:18:44,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 06:18:44,434 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 06:18:44,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 06:18:44,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 06:18:44,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 06:18:44,437 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 06:18:44,437 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 06:18:44,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 06:18:44,438 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 06:18:44,438 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 06:18:44,439 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 06:18:44,439 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 06:18:44,440 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 06:18:44,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 06:18:44,441 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 06:18:44,442 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 06:18:44,443 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 06:18:44,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 06:18:44,444 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 06:18:44,445 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 06:18:44,445 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 06:18:44,446 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 06:18:44,446 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 06:18:44,446 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 06:18:44,447 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 06:18:44,447 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 06:18:44,448 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 06:18:44,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 06:18:44,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 06:18:44,448 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 06:18:44,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 06:18:44,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 06:18:44,450 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 06:18:44,450 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 06:18:44,457 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 06:18:44,457 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 06:18:44,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 06:18:44,458 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 06:18:44,458 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 06:18:44,458 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 06:18:44,458 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 06:18:44,458 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 06:18:44,458 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 06:18:44,458 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 06:18:44,458 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 06:18:44,458 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 06:18:44,459 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 06:18:44,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 06:18:44,459 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 06:18:44,459 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 06:18:44,459 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 06:18:44,459 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 06:18:44,459 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 06:18:44,459 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 06:18:44,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 06:18:44,460 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 06:18:44,460 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 06:18:44,460 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 06:18:44,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 06:18:44,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 06:18:44,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 06:18:44,460 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 06:18:44,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 06:18:44,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 06:18:44,460 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 06:18:44,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 06:18:44,461 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 06:18:44,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 06:18:44,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 06:18:44,461 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 06:18:44,461 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_a9537a28-35eb-492c-b461-a3b83b7d3aee/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 -> a79e268ddb88b862b3e99a66782eee3a2de30d36 [2018-12-03 06:18:44,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 06:18:44,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 06:18:44,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 06:18:44,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 06:18:44,488 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 06:18:44,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c [2018-12-03 06:18:44,524 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/data/927f0c5d9/62aee2d489fa4ae6b698d94418b71791/FLAG55739305f [2018-12-03 06:18:44,849 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 06:18:44,850 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/sv-benchmarks/c/product-lines/minepump_spec5_product15_true-unreach-call_false-termination.cil.c [2018-12-03 06:18:44,859 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/data/927f0c5d9/62aee2d489fa4ae6b698d94418b71791/FLAG55739305f [2018-12-03 06:18:44,868 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/data/927f0c5d9/62aee2d489fa4ae6b698d94418b71791 [2018-12-03 06:18:44,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 06:18:44,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 06:18:44,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 06:18:44,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 06:18:44,874 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 06:18:44,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:18:44" (1/1) ... [2018-12-03 06:18:44,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:44, skipping insertion in model container [2018-12-03 06:18:44,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:18:44" (1/1) ... [2018-12-03 06:18:44,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 06:18:44,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 06:18:45,072 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:18:45,117 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 06:18:45,166 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:18:45,181 INFO L195 MainTranslator]: Completed translation [2018-12-03 06:18:45,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45 WrapperNode [2018-12-03 06:18:45,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 06:18:45,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 06:18:45,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 06:18:45,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 06:18:45,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... [2018-12-03 06:18:45,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... [2018-12-03 06:18:45,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 06:18:45,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 06:18:45,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 06:18:45,202 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 06:18:45,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... [2018-12-03 06:18:45,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... [2018-12-03 06:18:45,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... [2018-12-03 06:18:45,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... [2018-12-03 06:18:45,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... [2018-12-03 06:18:45,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... [2018-12-03 06:18:45,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... [2018-12-03 06:18:45,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 06:18:45,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 06:18:45,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 06:18:45,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 06:18:45,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/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 [2018-12-03 06:18:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 06:18:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 06:18:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 06:18:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 06:18:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 06:18:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 06:18:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 06:18:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 06:18:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 06:18:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 06:18:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 06:18:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 06:18:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 06:18:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 06:18:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 06:18:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 06:18:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 06:18:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 06:18:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 06:18:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 06:18:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 06:18:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 06:18:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 06:18:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 06:18:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 06:18:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 06:18:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 06:18:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 06:18:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 06:18:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-03 06:18:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-03 06:18:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-03 06:18:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-03 06:18:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-03 06:18:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-03 06:18:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 06:18:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 06:18:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 06:18:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 06:18:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 06:18:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 06:18:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 06:18:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 06:18:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 06:18:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 06:18:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 06:18:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 06:18:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 06:18:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 06:18:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 06:18:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 06:18:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 06:18:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 06:18:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 06:18:45,519 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 06:18:45,519 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 06:18:45,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:18:45 BoogieIcfgContainer [2018-12-03 06:18:45,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 06:18:45,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 06:18:45,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 06:18:45,522 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 06:18:45,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:18:44" (1/3) ... [2018-12-03 06:18:45,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:18:45, skipping insertion in model container [2018-12-03 06:18:45,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:18:45" (2/3) ... [2018-12-03 06:18:45,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:18:45, skipping insertion in model container [2018-12-03 06:18:45,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:18:45" (3/3) ... [2018-12-03 06:18:45,524 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product15_true-unreach-call_false-termination.cil.c [2018-12-03 06:18:45,530 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 06:18:45,534 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 06:18:45,543 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 06:18:45,561 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 06:18:45,561 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 06:18:45,561 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 06:18:45,561 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 06:18:45,562 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 06:18:45,562 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 06:18:45,562 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 06:18:45,562 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 06:18:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-12-03 06:18:45,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-03 06:18:45,578 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:18:45,579 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:18:45,580 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:18:45,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:18:45,583 INFO L82 PathProgramCache]: Analyzing trace with hash -770835851, now seen corresponding path program 1 times [2018-12-03 06:18:45,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:18:45,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:45,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:18:45,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:45,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:18:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:18:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 06:18:45,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:18:45,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 06:18:45,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:18:45,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 06:18:45,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 06:18:45,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 06:18:45,757 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-12-03 06:18:45,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:18:45,780 INFO L93 Difference]: Finished difference Result 232 states and 289 transitions. [2018-12-03 06:18:45,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 06:18:45,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-03 06:18:45,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:18:45,788 INFO L225 Difference]: With dead ends: 232 [2018-12-03 06:18:45,788 INFO L226 Difference]: Without dead ends: 118 [2018-12-03 06:18:45,790 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 [2018-12-03 06:18:45,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-03 06:18:45,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-03 06:18:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-03 06:18:45,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2018-12-03 06:18:45,821 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 59 [2018-12-03 06:18:45,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:18:45,821 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2018-12-03 06:18:45,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 06:18:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2018-12-03 06:18:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-03 06:18:45,823 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:18:45,823 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:18:45,823 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:18:45,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:18:45,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1263111803, now seen corresponding path program 1 times [2018-12-03 06:18:45,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:18:45,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:45,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:18:45,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:45,825 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:18:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:18:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 06:18:45,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:18:45,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:18:45,944 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:18:45,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:18:45,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:18:45,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:18:45,946 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand 7 states. [2018-12-03 06:18:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:18:46,203 INFO L93 Difference]: Finished difference Result 363 states and 450 transitions. [2018-12-03 06:18:46,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:18:46,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-03 06:18:46,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:18:46,206 INFO L225 Difference]: With dead ends: 363 [2018-12-03 06:18:46,206 INFO L226 Difference]: Without dead ends: 273 [2018-12-03 06:18:46,207 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 [2018-12-03 06:18:46,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-12-03 06:18:46,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2018-12-03 06:18:46,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-12-03 06:18:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 326 transitions. [2018-12-03 06:18:46,231 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 326 transitions. Word has length 64 [2018-12-03 06:18:46,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:18:46,231 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 326 transitions. [2018-12-03 06:18:46,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:18:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 326 transitions. [2018-12-03 06:18:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-03 06:18:46,233 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:18:46,233 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:18:46,233 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:18:46,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:18:46,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1793284173, now seen corresponding path program 1 times [2018-12-03 06:18:46,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:18:46,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:46,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:18:46,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:46,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:18:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:18:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 06:18:46,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:18:46,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:18:46,273 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:18:46,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:18:46,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:18:46,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:18:46,274 INFO L87 Difference]: Start difference. First operand 265 states and 326 transitions. Second operand 3 states. [2018-12-03 06:18:46,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:18:46,284 INFO L93 Difference]: Finished difference Result 406 states and 488 transitions. [2018-12-03 06:18:46,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:18:46,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-12-03 06:18:46,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:18:46,286 INFO L225 Difference]: With dead ends: 406 [2018-12-03 06:18:46,287 INFO L226 Difference]: Without dead ends: 238 [2018-12-03 06:18:46,288 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 [2018-12-03 06:18:46,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-12-03 06:18:46,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-12-03 06:18:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-12-03 06:18:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2018-12-03 06:18:46,310 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 68 [2018-12-03 06:18:46,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:18:46,310 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2018-12-03 06:18:46,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:18:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2018-12-03 06:18:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-03 06:18:46,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:18:46,313 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:18:46,313 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:18:46,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:18:46,314 INFO L82 PathProgramCache]: Analyzing trace with hash 372452965, now seen corresponding path program 1 times [2018-12-03 06:18:46,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:18:46,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:46,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:18:46,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:46,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:18:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:18:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 06:18:46,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:18:46,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 06:18:46,384 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:18:46,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 06:18:46,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 06:18:46,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:18:46,385 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand 7 states. [2018-12-03 06:18:46,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:18:46,597 INFO L93 Difference]: Finished difference Result 398 states and 499 transitions. [2018-12-03 06:18:46,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:18:46,598 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-03 06:18:46,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:18:46,598 INFO L225 Difference]: With dead ends: 398 [2018-12-03 06:18:46,598 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 06:18:46,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-03 06:18:46,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 06:18:46,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 06:18:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 06:18:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 06:18:46,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-12-03 06:18:46,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:18:46,599 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 06:18:46,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 06:18:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 06:18:46,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 06:18:46,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 06:18:47,015 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 774 780) the Hoare annotation is: true [2018-12-03 06:18:47,015 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 774 780) no Hoare annotation was computed. [2018-12-03 06:18:47,015 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 781 789) no Hoare annotation was computed. [2018-12-03 06:18:47,015 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 781 789) the Hoare annotation is: true [2018-12-03 06:18:47,015 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 781 789) no Hoare annotation was computed. [2018-12-03 06:18:47,015 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 882 889) the Hoare annotation is: true [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 882 889) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 882 889) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 890 899) the Hoare annotation is: true [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point L895(line 895) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 890 899) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 890 899) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L444 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point L913(lines 913 919) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 900 928) the Hoare annotation is: true [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 922) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L451 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 925) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 900 928) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point L908-1(lines 900 928) no Hoare annotation was computed. [2018-12-03 06:18:47,016 INFO L451 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: true [2018-12-03 06:18:47,016 INFO L448 ceAbstractionStarter]: For program point L906-1(line 906) no Hoare annotation was computed. [2018-12-03 06:18:47,017 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,017 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,017 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,017 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,017 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-03 06:18:47,017 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-03 06:18:47,017 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,017 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,017 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-03 06:18:47,017 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-03 06:18:47,017 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 06:18:47,017 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 551 557) no Hoare annotation was computed. [2018-12-03 06:18:47,017 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 551 557) the Hoare annotation is: true [2018-12-03 06:18:47,017 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 673 687) no Hoare annotation was computed. [2018-12-03 06:18:47,017 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-03 06:18:47,018 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 673 687) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 673 687) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 628 636) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 628 636) the Hoare annotation is: true [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 628 636) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 767 773) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 767 773) the Hoare annotation is: true [2018-12-03 06:18:47,018 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,018 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 617 627) the Hoare annotation is: true [2018-12-03 06:18:47,018 INFO L451 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: true [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point L622-1(line 622) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 617 627) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 617 627) no Hoare annotation was computed. [2018-12-03 06:18:47,018 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 609 616) the Hoare annotation is: true [2018-12-03 06:18:47,018 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 609 616) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 609 616) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 559 583) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 06:18:47,019 INFO L444 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 575) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 559 583) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 559 583) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 580) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-03 06:18:47,019 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-03 06:18:47,019 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 689 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L444 ceAbstractionStarter]: At program point L735-1(lines 729 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point L700(lines 699 746) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 742) no Hoare annotation was computed. [2018-12-03 06:18:47,019 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 689 754) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L444 ceAbstractionStarter]: At program point L744(lines 699 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-03 06:18:47,020 INFO L444 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 715) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 705) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L444 ceAbstractionStarter]: At program point L747(lines 698 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 689 754) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 862 870) the Hoare annotation is: true [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 862 870) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 862 870) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 818 829) the Hoare annotation is: true [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 818 829) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 818 829) no Hoare annotation was computed. [2018-12-03 06:18:47,020 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 830 838) the Hoare annotation is: true [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 830 838) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 830 838) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L444 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-03 06:18:47,021 INFO L444 ceAbstractionStarter]: At program point L538(lines 538 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-03 06:18:47,021 INFO L444 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point L531(lines 527 549) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point L529(lines 527 549) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 524 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 524 550) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 524 550) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-03 06:18:47,021 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-03 06:18:47,021 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-03 06:18:47,021 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-03 06:18:47,022 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 794 805) the Hoare annotation is: true [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point L798-1(lines 794 805) no Hoare annotation was computed. [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 794 805) no Hoare annotation was computed. [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-03 06:18:47,022 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 06:18:47,022 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-03 06:18:47,022 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 806 817) no Hoare annotation was computed. [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point L810-1(lines 806 817) no Hoare annotation was computed. [2018-12-03 06:18:47,022 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 806 817) the Hoare annotation is: true [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 872 879) no Hoare annotation was computed. [2018-12-03 06:18:47,022 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 872 879) the Hoare annotation is: true [2018-12-03 06:18:47,022 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 872 879) no Hoare annotation was computed. [2018-12-03 06:18:47,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:18:47 BoogieIcfgContainer [2018-12-03 06:18:47,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 06:18:47,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 06:18:47,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 06:18:47,030 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 06:18:47,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:18:45" (3/4) ... [2018-12-03 06:18:47,032 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 06:18:47,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 06:18:47,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 06:18:47,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 06:18:47,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 06:18:47,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 06:18:47,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 06:18:47,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 06:18:47,042 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-03 06:18:47,042 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 06:18:47,042 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 06:18:47,043 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 06:18:47,043 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 06:18:47,043 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 06:18:47,060 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-12-03 06:18:47,060 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-03 06:18:47,079 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9537a28-35eb-492c-b461-a3b83b7d3aee/bin-2019/utaipan/witness.graphml [2018-12-03 06:18:47,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 06:18:47,080 INFO L168 Benchmark]: Toolchain (without parser) took 2209.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -203.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-12-03 06:18:47,081 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-03 06:18:47,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-03 06:18:47,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.77 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. [2018-12-03 06:18:47,081 INFO L168 Benchmark]: Boogie Preprocessor took 21.95 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. [2018-12-03 06:18:47,081 INFO L168 Benchmark]: RCFGBuilder took 295.61 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-12-03 06:18:47,081 INFO L168 Benchmark]: TraceAbstraction took 1509.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.6 MB). Peak memory consumption was 287.0 MB. Max. memory is 11.5 GB. [2018-12-03 06:18:47,082 INFO L168 Benchmark]: Witness Printer took 50.09 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. [2018-12-03 06:18:47,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 310.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.77 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 21.95 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 295.61 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1509.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.6 MB). Peak memory consumption was 287.0 MB. Max. memory is 11.5 GB. * Witness Printer took 50.09 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: 876]: 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: 699]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 131 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 321 SDslu, 828 SDs, 0 SdLazy, 400 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=2, 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, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 335 PreInvPairs, 361 NumberOfFragments, 395 HoareAnnotationTreeSize, 335 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 27246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...