./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09_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_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/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 f306469f6fc3f3c0759d128d38f84cc775adb88e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:23:58,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:23:58,292 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:23:58,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:23:58,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:23:58,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:23:58,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:23:58,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:23:58,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:23:58,301 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:23:58,302 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:23:58,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:23:58,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:23:58,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:23:58,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:23:58,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:23:58,304 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:23:58,305 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:23:58,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:23:58,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:23:58,307 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:23:58,308 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:23:58,309 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:23:58,309 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:23:58,309 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:23:58,309 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:23:58,310 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:23:58,310 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:23:58,311 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:23:58,311 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:23:58,311 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:23:58,312 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:23:58,312 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:23:58,312 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:23:58,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:23:58,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:23:58,313 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:23:58,320 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:23:58,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:23:58,321 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:23:58,321 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:23:58,321 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:23:58,321 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:23:58,321 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:23:58,321 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:23:58,321 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:23:58,321 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:23:58,321 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:23:58,321 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:23:58,321 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:23:58,322 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:23:58,322 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:23:58,322 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:23:58,322 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:23:58,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:23:58,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:23:58,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:23:58,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:23:58,322 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:23:58,323 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:23:58,323 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:23:58,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:23:58,323 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:23:58,323 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:23:58,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:23:58,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:23:58,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:23:58,323 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:23:58,323 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:23:58,323 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:23:58,324 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:23:58,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:23:58,324 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:23:58,324 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_043a8364-8b11-447a-8843-c4451d845af1/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 -> f306469f6fc3f3c0759d128d38f84cc775adb88e [2018-12-08 16:23:58,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:23:58,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:23:58,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:23:58,354 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:23:58,355 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:23:58,355 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-12-08 16:23:58,394 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/data/437694d71/c58a01a879a343f4a8456b156a14ed8e/FLAG06a36e3ed [2018-12-08 16:23:58,805 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:23:58,805 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-12-08 16:23:58,812 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/data/437694d71/c58a01a879a343f4a8456b156a14ed8e/FLAG06a36e3ed [2018-12-08 16:23:58,822 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/data/437694d71/c58a01a879a343f4a8456b156a14ed8e [2018-12-08 16:23:58,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:23:58,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:23:58,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:23:58,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:23:58,829 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:23:58,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:23:58" (1/1) ... [2018-12-08 16:23:58,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:58, skipping insertion in model container [2018-12-08 16:23:58,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:23:58" (1/1) ... [2018-12-08 16:23:58,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:23:58,861 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:23:59,015 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:23:59,055 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:23:59,093 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:23:59,106 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:23:59,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59 WrapperNode [2018-12-08 16:23:59,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:23:59,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:23:59,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:23:59,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:23:59,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... [2018-12-08 16:23:59,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... [2018-12-08 16:23:59,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:23:59,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:23:59,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:23:59,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:23:59,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... [2018-12-08 16:23:59,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... [2018-12-08 16:23:59,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... [2018-12-08 16:23:59,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... [2018-12-08 16:23:59,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... [2018-12-08 16:23:59,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... [2018-12-08 16:23:59,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... [2018-12-08 16:23:59,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:23:59,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:23:59,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:23:59,146 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:23:59,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/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 [2018-12-08 16:23:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:23:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:23:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:23:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:23:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:23:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:23:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:23:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:23:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:23:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:23:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:23:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:23:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:23:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:23:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:23:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:23:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:23:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:23:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:23:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:23:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:23:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:23:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:23:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:23:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:23:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:23:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:23:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:23:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:23:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:23:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:23:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:23:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:23:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:23:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:23:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:23:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:23:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:23:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:23:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:23:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:23:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:23:59,433 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:23:59,433 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:23:59,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:23:59 BoogieIcfgContainer [2018-12-08 16:23:59,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:23:59,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:23:59,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:23:59,436 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:23:59,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:23:58" (1/3) ... [2018-12-08 16:23:59,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dc597b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:23:59, skipping insertion in model container [2018-12-08 16:23:59,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:23:59" (2/3) ... [2018-12-08 16:23:59,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dc597b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:23:59, skipping insertion in model container [2018-12-08 16:23:59,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:23:59" (3/3) ... [2018-12-08 16:23:59,438 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-12-08 16:23:59,444 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:23:59,449 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:23:59,459 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:23:59,478 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:23:59,478 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:23:59,478 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:23:59,478 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:23:59,478 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:23:59,478 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:23:59,478 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:23:59,478 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:23:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2018-12-08 16:23:59,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:23:59,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:23:59,494 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:23:59,496 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:23:59,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:23:59,499 INFO L82 PathProgramCache]: Analyzing trace with hash -809138211, now seen corresponding path program 1 times [2018-12-08 16:23:59,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:23:59,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:23:59,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:23:59,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:23:59,528 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:23:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:23:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:23:59,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:23:59,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:23:59,636 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:23:59,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:23:59,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:23:59,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:23:59,648 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2018-12-08 16:23:59,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:23:59,667 INFO L93 Difference]: Finished difference Result 168 states and 213 transitions. [2018-12-08 16:23:59,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:23:59,667 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 16:23:59,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:23:59,673 INFO L225 Difference]: With dead ends: 168 [2018-12-08 16:23:59,673 INFO L226 Difference]: Without dead ends: 86 [2018-12-08 16:23:59,675 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 [2018-12-08 16:23:59,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-12-08 16:23:59,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-12-08 16:23:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-08 16:23:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2018-12-08 16:23:59,703 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2018-12-08 16:23:59,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:23:59,703 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2018-12-08 16:23:59,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:23:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2018-12-08 16:23:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:23:59,705 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:23:59,705 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:23:59,705 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:23:59,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:23:59,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1836686178, now seen corresponding path program 1 times [2018-12-08 16:23:59,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:23:59,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:23:59,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:23:59,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:23:59,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:23:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:23:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:23:59,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:23:59,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:23:59,755 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:23:59,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:23:59,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:23:59,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:23:59,757 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 3 states. [2018-12-08 16:23:59,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:23:59,766 INFO L93 Difference]: Finished difference Result 117 states and 135 transitions. [2018-12-08 16:23:59,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:23:59,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 16:23:59,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:23:59,768 INFO L225 Difference]: With dead ends: 117 [2018-12-08 16:23:59,768 INFO L226 Difference]: Without dead ends: 77 [2018-12-08 16:23:59,768 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 [2018-12-08 16:23:59,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-12-08 16:23:59,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-12-08 16:23:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-08 16:23:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2018-12-08 16:23:59,774 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2018-12-08 16:23:59,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:23:59,775 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2018-12-08 16:23:59,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:23:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2018-12-08 16:23:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 16:23:59,776 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:23:59,776 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:23:59,776 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:23:59,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:23:59,776 INFO L82 PathProgramCache]: Analyzing trace with hash 392611532, now seen corresponding path program 1 times [2018-12-08 16:23:59,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:23:59,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:23:59,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:23:59,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:23:59,778 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:23:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:23:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:23:59,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:23:59,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:23:59,840 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:23:59,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:23:59,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:23:59,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:23:59,841 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 7 states. [2018-12-08 16:23:59,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:23:59,950 INFO L93 Difference]: Finished difference Result 126 states and 149 transitions. [2018-12-08 16:23:59,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:23:59,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-08 16:23:59,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:23:59,952 INFO L225 Difference]: With dead ends: 126 [2018-12-08 16:23:59,952 INFO L226 Difference]: Without dead ends: 77 [2018-12-08 16:23:59,952 INFO L631 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 [2018-12-08 16:23:59,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-12-08 16:23:59,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-12-08 16:23:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-08 16:23:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-12-08 16:23:59,960 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2018-12-08 16:23:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:23:59,960 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-12-08 16:23:59,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:23:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-12-08 16:23:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 16:23:59,962 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:23:59,962 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:23:59,962 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:23:59,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:23:59,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1562907178, now seen corresponding path program 1 times [2018-12-08 16:23:59,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:23:59,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:23:59,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:23:59,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:23:59,963 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:23:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:24:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:24:00,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:24:00,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:24:00,049 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:24:00,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:24:00,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:24:00,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:24:00,050 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 6 states. [2018-12-08 16:24:00,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:24:00,152 INFO L93 Difference]: Finished difference Result 167 states and 200 transitions. [2018-12-08 16:24:00,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:24:00,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-12-08 16:24:00,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:24:00,156 INFO L225 Difference]: With dead ends: 167 [2018-12-08 16:24:00,156 INFO L226 Difference]: Without dead ends: 118 [2018-12-08 16:24:00,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:24:00,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-08 16:24:00,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2018-12-08 16:24:00,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-08 16:24:00,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2018-12-08 16:24:00,170 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2018-12-08 16:24:00,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:24:00,170 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2018-12-08 16:24:00,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:24:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2018-12-08 16:24:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 16:24:00,171 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:24:00,171 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:24:00,172 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:24:00,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:24:00,172 INFO L82 PathProgramCache]: Analyzing trace with hash 948734574, now seen corresponding path program 1 times [2018-12-08 16:24:00,172 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:24:00,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:24:00,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:24:00,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:24:00,173 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:24:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:24:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:24:00,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:24:00,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:24:00,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:24:00,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:24:00,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:24:00,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:24:00,244 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 6 states. [2018-12-08 16:24:00,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:24:00,328 INFO L93 Difference]: Finished difference Result 194 states and 231 transitions. [2018-12-08 16:24:00,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:24:00,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-08 16:24:00,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:24:00,329 INFO L225 Difference]: With dead ends: 194 [2018-12-08 16:24:00,329 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:24:00,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:24:00,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:24:00,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:24:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:24:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:24:00,331 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-12-08 16:24:00,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:24:00,331 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:24:00,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:24:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:24:00,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:24:00,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:24:00,608 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 519 525) no Hoare annotation was computed. [2018-12-08 16:24:00,608 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 519 525) the Hoare annotation is: true [2018-12-08 16:24:00,608 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2018-12-08 16:24:00,608 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2018-12-08 16:24:00,608 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2018-12-08 16:24:00,608 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2018-12-08 16:24:00,608 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2018-12-08 16:24:00,608 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 419 482) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,609 INFO L444 ceAbstractionStarter]: At program point L475(lines 428 476) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 419 482) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L444 ceAbstractionStarter]: At program point L465-2(lines 459 470) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point L430(lines 429 474) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point L459(lines 459 470) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L444 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 455) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,609 INFO L444 ceAbstractionStarter]: At program point L472(lines 429 474) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 445) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 439 445) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 419 482) no Hoare annotation was computed. [2018-12-08 16:24:00,609 INFO L444 ceAbstractionStarter]: At program point L738-1(line 738) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,610 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 732 754) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,610 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 732 754) no Hoare annotation was computed. [2018-12-08 16:24:00,610 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 732 754) no Hoare annotation was computed. [2018-12-08 16:24:00,610 INFO L444 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0))) [2018-12-08 16:24:00,610 INFO L444 ceAbstractionStarter]: At program point L744-1(line 744) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0))) [2018-12-08 16:24:00,610 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 749) no Hoare annotation was computed. [2018-12-08 16:24:00,610 INFO L448 ceAbstractionStarter]: For program point L742-1(lines 742 749) no Hoare annotation was computed. [2018-12-08 16:24:00,610 INFO L448 ceAbstractionStarter]: For program point L740(line 740) no Hoare annotation was computed. [2018-12-08 16:24:00,610 INFO L444 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,610 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,610 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 571 579) no Hoare annotation was computed. [2018-12-08 16:24:00,610 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 571 579) the Hoare annotation is: true [2018-12-08 16:24:00,610 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 571 579) no Hoare annotation was computed. [2018-12-08 16:24:00,610 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-08 16:24:00,610 INFO L448 ceAbstractionStarter]: For program point L639(lines 639 645) no Hoare annotation was computed. [2018-12-08 16:24:00,610 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 648) no Hoare annotation was computed. [2018-12-08 16:24:00,610 INFO L444 ceAbstractionStarter]: At program point L636(line 636) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point L636-1(line 636) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 651) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point L634-1(lines 626 654) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L451 ceAbstractionStarter]: At program point L632(line 632) the Hoare annotation is: true [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point L632-1(line 632) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 626 654) the Hoare annotation is: true [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 626 654) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 618 625) the Hoare annotation is: true [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 618 625) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 618 625) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 783 794) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 783 794) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point L787-1(lines 783 794) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 795 803) the Hoare annotation is: true [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 795 803) no Hoare annotation was computed. [2018-12-08 16:24:00,611 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 795 803) no Hoare annotation was computed. [2018-12-08 16:24:00,612 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 657 686) no Hoare annotation was computed. [2018-12-08 16:24:00,612 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2018-12-08 16:24:00,612 INFO L451 ceAbstractionStarter]: At program point L671-1(lines 671 675) the Hoare annotation is: true [2018-12-08 16:24:00,612 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 657 686) the Hoare annotation is: true [2018-12-08 16:24:00,612 INFO L448 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2018-12-08 16:24:00,612 INFO L451 ceAbstractionStarter]: At program point L667-2(lines 667 681) the Hoare annotation is: true [2018-12-08 16:24:00,612 INFO L451 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: true [2018-12-08 16:24:00,612 INFO L448 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2018-12-08 16:24:00,612 INFO L451 ceAbstractionStarter]: At program point L682(lines 657 686) the Hoare annotation is: true [2018-12-08 16:24:00,612 INFO L448 ceAbstractionStarter]: For program point L678(line 678) no Hoare annotation was computed. [2018-12-08 16:24:00,612 INFO L451 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: true [2018-12-08 16:24:00,612 INFO L451 ceAbstractionStarter]: At program point L506(lines 506 512) the Hoare annotation is: true [2018-12-08 16:24:00,612 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-08 16:24:00,612 INFO L448 ceAbstractionStarter]: For program point L499(lines 498 517) no Hoare annotation was computed. [2018-12-08 16:24:00,612 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 495 518) the Hoare annotation is: true [2018-12-08 16:24:00,612 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 495 518) no Hoare annotation was computed. [2018-12-08 16:24:00,612 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 495 518) no Hoare annotation was computed. [2018-12-08 16:24:00,612 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 759 770) the Hoare annotation is: true [2018-12-08 16:24:00,612 INFO L448 ceAbstractionStarter]: For program point L763-1(lines 759 770) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 759 770) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 711 717) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 711 717) the Hoare annotation is: true [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-08 16:24:00,613 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 771 782) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point L775-1(lines 771 782) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 771 782) the Hoare annotation is: true [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-08 16:24:00,613 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-08 16:24:00,613 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 718 728) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,614 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 718 728) no Hoare annotation was computed. [2018-12-08 16:24:00,614 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 718 728) no Hoare annotation was computed. [2018-12-08 16:24:00,614 INFO L444 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:24:00,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:24:00 BoogieIcfgContainer [2018-12-08 16:24:00,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:24:00,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:24:00,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:24:00,621 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:24:00,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:23:59" (3/4) ... [2018-12-08 16:24:00,624 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:24:00,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:24:00,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:24:00,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:24:00,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:24:00,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-08 16:24:00,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 16:24:00,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:24:00,635 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 16:24:00,635 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:24:00,635 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:24:00,653 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:24:00,653 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:24:00,671 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_043a8364-8b11-447a-8843-c4451d845af1/bin-2019/utaipan/witness.graphml [2018-12-08 16:24:00,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:24:00,671 INFO L168 Benchmark]: Toolchain (without parser) took 1846.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -116.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:24:00,672 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:24:00,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:24:00,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:24:00,673 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:24:00,673 INFO L168 Benchmark]: RCFGBuilder took 287.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:24:00,673 INFO L168 Benchmark]: TraceAbstraction took 1186.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -17.6 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:24:00,673 INFO L168 Benchmark]: Witness Printer took 49.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 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. [2018-12-08 16:24:00,674 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 287.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1186.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -17.6 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. * Witness Printer took 49.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 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: 44]: 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: 429]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 99 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 447 SDtfs, 175 SDslu, 740 SDs, 0 SdLazy, 171 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 42 LocationsWithAnnotation, 155 PreInvPairs, 168 NumberOfFragments, 309 HoareAnnotationTreeSize, 155 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 595 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 27804 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...