./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/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 f73634e342cf3e7f84044af175d79019321da0bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:59:25,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:59:25,565 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:59:25,571 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:59:25,571 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:59:25,572 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:59:25,572 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:59:25,573 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:59:25,574 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:59:25,574 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:59:25,575 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:59:25,575 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:59:25,575 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:59:25,576 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:59:25,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:59:25,577 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:59:25,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:59:25,579 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:59:25,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:59:25,582 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:59:25,583 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:59:25,584 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:59:25,586 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:59:25,586 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:59:25,586 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:59:25,587 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:59:25,588 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:59:25,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:59:25,589 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:59:25,590 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:59:25,591 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:59:25,591 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:59:25,591 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:59:25,592 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:59:25,592 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:59:25,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:59:25,593 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:59:25,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:59:25,605 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:59:25,606 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:59:25,606 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:59:25,606 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:59:25,606 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:59:25,606 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:59:25,606 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:59:25,607 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:59:25,607 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:59:25,607 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:59:25,607 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:59:25,607 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:59:25,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:59:25,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:59:25,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:59:25,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:59:25,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:59:25,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:59:25,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:59:25,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:59:25,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:59:25,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:59:25,609 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:59:25,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:59:25,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:59:25,612 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:59:25,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:59:25,612 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:59:25,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:59:25,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:59:25,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:59:25,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:59:25,613 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:59:25,613 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:59:25,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:59:25,613 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:59:25,613 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_b53f0096-7953-4d6a-a782-787e9eb529b4/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 -> f73634e342cf3e7f84044af175d79019321da0bc [2018-11-18 14:59:25,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:59:25,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:59:25,650 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:59:25,651 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:59:25,652 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:59:25,652 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-18 14:59:25,698 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/data/9adfa4272/7b6007b86f614a669f00ba72c6eead57/FLAG455f4e767 [2018-11-18 14:59:26,068 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:59:26,069 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-18 14:59:26,079 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/data/9adfa4272/7b6007b86f614a669f00ba72c6eead57/FLAG455f4e767 [2018-11-18 14:59:26,455 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/data/9adfa4272/7b6007b86f614a669f00ba72c6eead57 [2018-11-18 14:59:26,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:59:26,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:59:26,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:59:26,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:59:26,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:59:26,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34956487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26, skipping insertion in model container [2018-11-18 14:59:26,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:59:26,500 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:59:26,697 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:59:26,705 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:59:26,827 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:59:26,848 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:59:26,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26 WrapperNode [2018-11-18 14:59:26,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:59:26,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:59:26,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:59:26,850 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:59:26,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:59:26,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:59:26,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:59:26,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:59:26,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... [2018-11-18 14:59:26,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:59:26,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:59:26,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:59:26,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:59:26,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/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 [2018-11-18 14:59:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:59:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:59:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:59:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:59:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:59:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:59:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:59:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:59:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:59:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:59:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:59:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 14:59:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 14:59:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 14:59:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 14:59:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:59:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:59:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:59:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:59:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:59:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:59:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:59:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:59:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:59:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:59:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:59:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:59:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:59:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:59:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:59:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:59:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:59:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:59:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:59:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:59:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:59:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:59:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:59:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:59:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:59:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:59:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:59:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:59:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:59:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:59:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:59:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:59:27,381 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:59:27,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:59:27 BoogieIcfgContainer [2018-11-18 14:59:27,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:59:27,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:59:27,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:59:27,385 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:59:27,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:59:26" (1/3) ... [2018-11-18 14:59:27,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac0df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:59:27, skipping insertion in model container [2018-11-18 14:59:27,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:26" (2/3) ... [2018-11-18 14:59:27,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac0df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:59:27, skipping insertion in model container [2018-11-18 14:59:27,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:59:27" (3/3) ... [2018-11-18 14:59:27,387 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-18 14:59:27,393 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:59:27,399 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:59:27,409 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:59:27,432 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:59:27,432 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:59:27,432 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:59:27,432 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:59:27,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:59:27,432 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:59:27,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:59:27,432 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:59:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-11-18 14:59:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 14:59:27,457 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:27,458 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] [2018-11-18 14:59:27,460 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:27,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:27,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1489170011, now seen corresponding path program 1 times [2018-11-18 14:59:27,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:27,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:27,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:27,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:27,507 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:27,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:27,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:59:27,684 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:27,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:59:27,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:59:27,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:59:27,696 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-11-18 14:59:27,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:27,721 INFO L93 Difference]: Finished difference Result 208 states and 261 transitions. [2018-11-18 14:59:27,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:59:27,722 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 14:59:27,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:27,729 INFO L225 Difference]: With dead ends: 208 [2018-11-18 14:59:27,729 INFO L226 Difference]: Without dead ends: 106 [2018-11-18 14:59:27,731 INFO L604 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 [2018-11-18 14:59:27,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-18 14:59:27,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-18 14:59:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 14:59:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2018-11-18 14:59:27,761 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 51 [2018-11-18 14:59:27,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:27,762 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2018-11-18 14:59:27,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:59:27,762 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2018-11-18 14:59:27,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:59:27,764 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:27,764 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] [2018-11-18 14:59:27,764 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:27,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:27,765 INFO L82 PathProgramCache]: Analyzing trace with hash -438557057, now seen corresponding path program 1 times [2018-11-18 14:59:27,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:27,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:27,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:27,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:27,766 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:27,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:27,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:59:27,857 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:27,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:59:27,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:59:27,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:59:27,859 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 3 states. [2018-11-18 14:59:27,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:27,876 INFO L93 Difference]: Finished difference Result 155 states and 181 transitions. [2018-11-18 14:59:27,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:59:27,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 14:59:27,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:27,878 INFO L225 Difference]: With dead ends: 155 [2018-11-18 14:59:27,878 INFO L226 Difference]: Without dead ends: 96 [2018-11-18 14:59:27,879 INFO L604 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 [2018-11-18 14:59:27,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-18 14:59:27,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 14:59:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 14:59:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2018-11-18 14:59:27,888 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 53 [2018-11-18 14:59:27,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:27,889 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2018-11-18 14:59:27,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:59:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2018-11-18 14:59:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 14:59:27,890 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:27,890 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] [2018-11-18 14:59:27,890 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:27,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:27,890 INFO L82 PathProgramCache]: Analyzing trace with hash -26048010, now seen corresponding path program 1 times [2018-11-18 14:59:27,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:27,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:27,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:27,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:27,891 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:28,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:28,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:59:28,026 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:28,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:59:28,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:59:28,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:59:28,027 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 7 states. [2018-11-18 14:59:28,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:28,334 INFO L93 Difference]: Finished difference Result 164 states and 195 transitions. [2018-11-18 14:59:28,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:59:28,334 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 14:59:28,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:28,335 INFO L225 Difference]: With dead ends: 164 [2018-11-18 14:59:28,336 INFO L226 Difference]: Without dead ends: 96 [2018-11-18 14:59:28,336 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:59:28,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-18 14:59:28,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 14:59:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 14:59:28,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2018-11-18 14:59:28,346 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 57 [2018-11-18 14:59:28,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:28,346 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2018-11-18 14:59:28,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:59:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-11-18 14:59:28,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 14:59:28,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:28,348 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] [2018-11-18 14:59:28,349 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:28,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:28,349 INFO L82 PathProgramCache]: Analyzing trace with hash 400426417, now seen corresponding path program 1 times [2018-11-18 14:59:28,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:28,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:28,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:28,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:28,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:28,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:28,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:59:28,445 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:28,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:59:28,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:59:28,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:59:28,446 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 6 states. [2018-11-18 14:59:28,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:28,582 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2018-11-18 14:59:28,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:59:28,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-18 14:59:28,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:28,585 INFO L225 Difference]: With dead ends: 224 [2018-11-18 14:59:28,585 INFO L226 Difference]: Without dead ends: 156 [2018-11-18 14:59:28,586 INFO L604 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 [2018-11-18 14:59:28,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-18 14:59:28,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2018-11-18 14:59:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-18 14:59:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2018-11-18 14:59:28,603 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 65 [2018-11-18 14:59:28,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:28,603 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2018-11-18 14:59:28,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:59:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2018-11-18 14:59:28,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 14:59:28,605 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:28,606 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, 1, 1, 1, 1] [2018-11-18 14:59:28,606 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:28,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:28,606 INFO L82 PathProgramCache]: Analyzing trace with hash -874593459, now seen corresponding path program 1 times [2018-11-18 14:59:28,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:28,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:28,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:28,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:28,607 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:28,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:28,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:59:28,694 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:28,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:59:28,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:59:28,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:59:28,695 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand 7 states. [2018-11-18 14:59:28,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:28,931 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2018-11-18 14:59:28,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:59:28,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2018-11-18 14:59:28,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:28,933 INFO L225 Difference]: With dead ends: 244 [2018-11-18 14:59:28,933 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:59:28,934 INFO L604 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 [2018-11-18 14:59:28,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:59:28,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:59:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:59:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:59:28,935 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-11-18 14:59:28,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:28,935 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:59:28,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:59:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:59:28,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:59:28,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:59:29,431 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 211 218) the Hoare annotation is: true [2018-11-18 14:59:29,431 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2018-11-18 14:59:29,431 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2018-11-18 14:59:29,431 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 161 185) no Hoare annotation was computed. [2018-11-18 14:59:29,431 INFO L421 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,431 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 161 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,431 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 161 185) no Hoare annotation was computed. [2018-11-18 14:59:29,432 INFO L421 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,432 INFO L421 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,432 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 177) no Hoare annotation was computed. [2018-11-18 14:59:29,432 INFO L421 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,432 INFO L425 ceAbstractionStarter]: For program point L167-1(line 167) no Hoare annotation was computed. [2018-11-18 14:59:29,432 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-11-18 14:59:29,432 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 663 669) the Hoare annotation is: true [2018-11-18 14:59:29,432 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 663 669) no Hoare annotation was computed. [2018-11-18 14:59:29,432 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 670 678) no Hoare annotation was computed. [2018-11-18 14:59:29,432 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 670 678) the Hoare annotation is: true [2018-11-18 14:59:29,433 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 670 678) no Hoare annotation was computed. [2018-11-18 14:59:29,433 INFO L421 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:59:29,433 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-11-18 14:59:29,433 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,433 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-11-18 14:59:29,433 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 14:59:29,433 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-11-18 14:59:29,433 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 54 99) no Hoare annotation was computed. [2018-11-18 14:59:29,433 INFO L421 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,433 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-11-18 14:59:29,434 INFO L421 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:59:29,434 INFO L425 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-11-18 14:59:29,434 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-11-18 14:59:29,434 INFO L421 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:59:29,434 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-18 14:59:29,434 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-18 14:59:29,434 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-11-18 14:59:29,434 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 14:59:29,434 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 873 895) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,435 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 873 895) no Hoare annotation was computed. [2018-11-18 14:59:29,435 INFO L421 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,435 INFO L421 ceAbstractionStarter]: At program point L885-1(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,435 INFO L425 ceAbstractionStarter]: For program point L883(lines 883 890) no Hoare annotation was computed. [2018-11-18 14:59:29,435 INFO L425 ceAbstractionStarter]: For program point L883-1(lines 883 890) no Hoare annotation was computed. [2018-11-18 14:59:29,435 INFO L425 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-11-18 14:59:29,435 INFO L421 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,435 INFO L421 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,435 INFO L421 ceAbstractionStarter]: At program point L879-1(line 879) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,436 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 873 895) no Hoare annotation was computed. [2018-11-18 14:59:29,436 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 153 159) no Hoare annotation was computed. [2018-11-18 14:59:29,436 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 153 159) the Hoare annotation is: true [2018-11-18 14:59:29,436 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 230 238) no Hoare annotation was computed. [2018-11-18 14:59:29,436 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 230 238) the Hoare annotation is: true [2018-11-18 14:59:29,436 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 230 238) no Hoare annotation was computed. [2018-11-18 14:59:29,436 INFO L421 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,436 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 770 798) the Hoare annotation is: true [2018-11-18 14:59:29,436 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 789) no Hoare annotation was computed. [2018-11-18 14:59:29,436 INFO L425 ceAbstractionStarter]: For program point L782(lines 782 792) no Hoare annotation was computed. [2018-11-18 14:59:29,436 INFO L421 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 14:59:29,437 INFO L425 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2018-11-18 14:59:29,437 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 795) no Hoare annotation was computed. [2018-11-18 14:59:29,437 INFO L425 ceAbstractionStarter]: For program point L778-1(lines 770 798) no Hoare annotation was computed. [2018-11-18 14:59:29,437 INFO L428 ceAbstractionStarter]: At program point L776(line 776) the Hoare annotation is: true [2018-11-18 14:59:29,437 INFO L425 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2018-11-18 14:59:29,437 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 770 798) no Hoare annotation was computed. [2018-11-18 14:59:29,437 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 762 769) the Hoare annotation is: true [2018-11-18 14:59:29,437 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 762 769) no Hoare annotation was computed. [2018-11-18 14:59:29,437 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 762 769) no Hoare annotation was computed. [2018-11-18 14:59:29,437 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:59:29,437 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 14:59:29,437 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:59:29,438 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 707 718) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,438 INFO L425 ceAbstractionStarter]: For program point L711-1(lines 707 718) no Hoare annotation was computed. [2018-11-18 14:59:29,438 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 707 718) no Hoare annotation was computed. [2018-11-18 14:59:29,438 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 719 727) the Hoare annotation is: true [2018-11-18 14:59:29,438 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 719 727) no Hoare annotation was computed. [2018-11-18 14:59:29,438 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 719 727) no Hoare annotation was computed. [2018-11-18 14:59:29,438 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 801 830) no Hoare annotation was computed. [2018-11-18 14:59:29,438 INFO L428 ceAbstractionStarter]: At program point L826(lines 801 830) the Hoare annotation is: true [2018-11-18 14:59:29,438 INFO L425 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-11-18 14:59:29,438 INFO L425 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-11-18 14:59:29,438 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 801 830) the Hoare annotation is: true [2018-11-18 14:59:29,438 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2018-11-18 14:59:29,439 INFO L428 ceAbstractionStarter]: At program point L815-1(lines 815 819) the Hoare annotation is: true [2018-11-18 14:59:29,439 INFO L425 ceAbstractionStarter]: For program point L811-1(lines 811 825) no Hoare annotation was computed. [2018-11-18 14:59:29,439 INFO L428 ceAbstractionStarter]: At program point L811-3(lines 811 825) the Hoare annotation is: true [2018-11-18 14:59:29,439 INFO L428 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-11-18 14:59:29,439 INFO L425 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-11-18 14:59:29,439 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 129 152) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,439 INFO L421 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,439 INFO L421 ceAbstractionStarter]: At program point L140(lines 140 146) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,439 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 129 152) no Hoare annotation was computed. [2018-11-18 14:59:29,439 INFO L421 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 14:59:29,439 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 129 152) no Hoare annotation was computed. [2018-11-18 14:59:29,440 INFO L425 ceAbstractionStarter]: For program point L133(lines 132 151) no Hoare annotation was computed. [2018-11-18 14:59:29,440 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 683 694) the Hoare annotation is: true [2018-11-18 14:59:29,440 INFO L425 ceAbstractionStarter]: For program point L687-1(lines 683 694) no Hoare annotation was computed. [2018-11-18 14:59:29,440 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 683 694) no Hoare annotation was computed. [2018-11-18 14:59:29,440 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 656 662) no Hoare annotation was computed. [2018-11-18 14:59:29,440 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 656 662) the Hoare annotation is: true [2018-11-18 14:59:29,440 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 855 861) no Hoare annotation was computed. [2018-11-18 14:59:29,440 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 855 861) the Hoare annotation is: true [2018-11-18 14:59:29,440 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:59:29,440 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 14:59:29,440 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:59:29,440 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:59:29,440 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 695 706) no Hoare annotation was computed. [2018-11-18 14:59:29,441 INFO L425 ceAbstractionStarter]: For program point L699-1(lines 695 706) no Hoare annotation was computed. [2018-11-18 14:59:29,441 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 695 706) the Hoare annotation is: true [2018-11-18 14:59:29,441 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 109 116) no Hoare annotation was computed. [2018-11-18 14:59:29,441 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 109 116) the Hoare annotation is: true [2018-11-18 14:59:29,441 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 109 116) no Hoare annotation was computed. [2018-11-18 14:59:29,441 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2018-11-18 14:59:29,441 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 862 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,441 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 862 872) no Hoare annotation was computed. [2018-11-18 14:59:29,441 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 862 872) no Hoare annotation was computed. [2018-11-18 14:59:29,441 INFO L421 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:59:29,441 INFO L428 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: true [2018-11-18 14:59:29,442 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 219 229) the Hoare annotation is: true [2018-11-18 14:59:29,442 INFO L425 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-11-18 14:59:29,442 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 219 229) no Hoare annotation was computed. [2018-11-18 14:59:29,442 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 219 229) no Hoare annotation was computed. [2018-11-18 14:59:29,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:59:29 BoogieIcfgContainer [2018-11-18 14:59:29,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:59:29,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:59:29,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:59:29,456 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:59:29,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:59:27" (3/4) ... [2018-11-18 14:59:29,460 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:59:29,467 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:59:29,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:59:29,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:59:29,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:59:29,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:59:29,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:59:29,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:59:29,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:59:29,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:59:29,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:59:29,470 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:59:29,470 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:59:29,476 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 14:59:29,476 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:59:29,476 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:59:29,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-18 14:59:29,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:59:29,527 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b53f0096-7953-4d6a-a782-787e9eb529b4/bin-2019/utaipan/witness.graphml [2018-11-18 14:59:29,527 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:59:29,527 INFO L168 Benchmark]: Toolchain (without parser) took 3069.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:29,528 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:59:29,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:29,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.95 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. [2018-11-18 14:59:29,529 INFO L168 Benchmark]: Boogie Preprocessor took 32.12 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:29,529 INFO L168 Benchmark]: RCFGBuilder took 469.88 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:29,529 INFO L168 Benchmark]: TraceAbstraction took 2073.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -63.0 MB). Peak memory consumption was 267.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:29,529 INFO L168 Benchmark]: Witness Printer took 70.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:59:29,531 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 390.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.95 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. * Boogie Preprocessor took 32.12 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 469.88 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2073.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -63.0 MB). Peak memory consumption was 267.5 MB. Max. memory is 11.5 GB. * Witness Printer took 70.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 113]: 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: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 119 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 536 SDtfs, 306 SDslu, 826 SDs, 0 SdLazy, 318 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 225 PreInvPairs, 238 NumberOfFragments, 448 HoareAnnotationTreeSize, 225 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 736 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 295 NumberOfCodeBlocks, 295 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 290 ConstructedInterpolants, 0 QuantifiedInterpolants, 31660 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...