./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/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_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/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 0.1.23-635dfa2 [2018-12-09 11:01:57,360 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:01:57,361 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:01:57,369 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:01:57,369 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:01:57,369 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:01:57,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:01:57,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:01:57,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:01:57,373 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:01:57,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:01:57,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:01:57,375 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:01:57,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:01:57,376 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:01:57,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:01:57,377 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:01:57,377 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:01:57,379 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:01:57,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:01:57,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:01:57,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:01:57,381 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:01:57,381 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:01:57,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:01:57,382 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:01:57,382 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:01:57,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:01:57,383 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:01:57,384 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:01:57,384 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:01:57,385 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:01:57,385 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:01:57,385 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:01:57,386 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:01:57,386 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:01:57,386 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:01:57,393 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:01:57,394 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:01:57,394 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:01:57,394 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:01:57,395 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:01:57,395 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:01:57,395 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:01:57,395 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:01:57,395 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:01:57,395 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:01:57,396 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:01:57,396 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:01:57,396 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:01:57,396 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:01:57,396 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:01:57,397 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:01:57,397 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:01:57,397 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:01:57,397 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:01:57,397 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:01:57,397 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:01:57,398 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:01:57,398 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:01:57,398 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:01:57,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:01:57,398 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:01:57,398 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:01:57,398 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:01:57,398 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:01:57,399 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:01:57,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:01:57,399 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:01:57,399 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:01:57,399 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:01:57,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:01:57,399 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:01:57,400 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_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/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 [2018-12-09 11:01:57,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:01:57,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:01:57,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:01:57,428 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:01:57,428 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:01:57,429 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-12-09 11:01:57,465 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/data/8a2a7ea00/a1d11ae21a38430f9980f995e7677ae8/FLAG76e90f282 [2018-12-09 11:01:57,864 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:01:57,865 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-12-09 11:01:57,871 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/data/8a2a7ea00/a1d11ae21a38430f9980f995e7677ae8/FLAG76e90f282 [2018-12-09 11:01:57,879 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/data/8a2a7ea00/a1d11ae21a38430f9980f995e7677ae8 [2018-12-09 11:01:57,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:01:57,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:01:57,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:01:57,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:01:57,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:01:57,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:01:57" (1/1) ... [2018-12-09 11:01:57,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:57, skipping insertion in model container [2018-12-09 11:01:57,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:01:57" (1/1) ... [2018-12-09 11:01:57,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:01:57,917 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:01:58,063 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:01:58,107 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:01:58,149 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:01:58,163 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:01:58,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58 WrapperNode [2018-12-09 11:01:58,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:01:58,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:01:58,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:01:58,163 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:01:58,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... [2018-12-09 11:01:58,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... [2018-12-09 11:01:58,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:01:58,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:01:58,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:01:58,184 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:01:58,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... [2018-12-09 11:01:58,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... [2018-12-09 11:01:58,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... [2018-12-09 11:01:58,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... [2018-12-09 11:01:58,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... [2018-12-09 11:01:58,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... [2018-12-09 11:01:58,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... [2018-12-09 11:01:58,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:01:58,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:01:58,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:01:58,205 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:01:58,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/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 [2018-12-09 11:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 11:01:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 11:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:01:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 11:01:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 11:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 11:01:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 11:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 11:01:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 11:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 11:01:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 11:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 11:01:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 11:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 11:01:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 11:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 11:01:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 11:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 11:01:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 11:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 11:01:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 11:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 11:01:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 11:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 11:01:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 11:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 11:01:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 11:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 11:01:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 11:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 11:01:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 11:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 11:01:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 11:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 11:01:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 11:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 11:01:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 11:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:01:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 11:01:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 11:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 11:01:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 11:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:01:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:01:58,512 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:01:58,513 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 11:01:58,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:01:58 BoogieIcfgContainer [2018-12-09 11:01:58,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:01:58,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:01:58,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:01:58,515 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:01:58,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:01:57" (1/3) ... [2018-12-09 11:01:58,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0c4df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:01:58, skipping insertion in model container [2018-12-09 11:01:58,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:01:58" (2/3) ... [2018-12-09 11:01:58,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0c4df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:01:58, skipping insertion in model container [2018-12-09 11:01:58,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:01:58" (3/3) ... [2018-12-09 11:01:58,518 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-12-09 11:01:58,524 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:01:58,529 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:01:58,538 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:01:58,556 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:01:58,556 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:01:58,557 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:01:58,557 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:01:58,557 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:01:58,557 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:01:58,557 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:01:58,557 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:01:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-09 11:01:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:01:58,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:01:58,574 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] [2018-12-09 11:01:58,576 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:01:58,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:01:58,580 INFO L82 PathProgramCache]: Analyzing trace with hash 2032733538, now seen corresponding path program 1 times [2018-12-09 11:01:58,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:01:58,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:58,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:01:58,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:58,610 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:01:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:01:58,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:01:58,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:01:58,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 11:01:58,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:01:58,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 11:01:58,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 11:01:58,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:01:58,758 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-12-09 11:01:58,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:01:58,778 INFO L93 Difference]: Finished difference Result 204 states and 257 transitions. [2018-12-09 11:01:58,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:01:58,778 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 11:01:58,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:01:58,785 INFO L225 Difference]: With dead ends: 204 [2018-12-09 11:01:58,785 INFO L226 Difference]: Without dead ends: 104 [2018-12-09 11:01:58,787 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 [2018-12-09 11:01:58,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-09 11:01:58,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-09 11:01:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-09 11:01:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2018-12-09 11:01:58,815 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2018-12-09 11:01:58,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:01:58,816 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2018-12-09 11:01:58,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 11:01:58,816 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2018-12-09 11:01:58,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:01:58,817 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:01:58,818 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] [2018-12-09 11:01:58,818 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:01:58,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:01:58,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1471084429, now seen corresponding path program 1 times [2018-12-09 11:01:58,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:01:58,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:58,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:01:58,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:58,819 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:01:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:01:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:01:58,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:01:58,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:01:58,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:01:58,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:01:58,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:01:58,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:01:58,866 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 3 states. [2018-12-09 11:01:58,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:01:58,880 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions. [2018-12-09 11:01:58,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:01:58,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 11:01:58,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:01:58,881 INFO L225 Difference]: With dead ends: 153 [2018-12-09 11:01:58,881 INFO L226 Difference]: Without dead ends: 95 [2018-12-09 11:01:58,882 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 [2018-12-09 11:01:58,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-09 11:01:58,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-09 11:01:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-09 11:01:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2018-12-09 11:01:58,888 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52 [2018-12-09 11:01:58,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:01:58,888 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2018-12-09 11:01:58,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:01:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2018-12-09 11:01:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:01:58,889 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:01:58,889 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] [2018-12-09 11:01:58,889 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:01:58,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:01:58,889 INFO L82 PathProgramCache]: Analyzing trace with hash -505325855, now seen corresponding path program 1 times [2018-12-09 11:01:58,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:01:58,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:58,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:01:58,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:58,890 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:01:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:01:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:01:58,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:01:58,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:01:58,971 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:01:58,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:01:58,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:01:58,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:01:58,972 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 7 states. [2018-12-09 11:01:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:01:59,124 INFO L93 Difference]: Finished difference Result 162 states and 193 transitions. [2018-12-09 11:01:59,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:01:59,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 11:01:59,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:01:59,125 INFO L225 Difference]: With dead ends: 162 [2018-12-09 11:01:59,125 INFO L226 Difference]: Without dead ends: 95 [2018-12-09 11:01:59,125 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 [2018-12-09 11:01:59,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-09 11:01:59,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-09 11:01:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-09 11:01:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-12-09 11:01:59,131 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56 [2018-12-09 11:01:59,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:01:59,132 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-12-09 11:01:59,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:01:59,132 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-12-09 11:01:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 11:01:59,133 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:01:59,133 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:01:59,133 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:01:59,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:01:59,133 INFO L82 PathProgramCache]: Analyzing trace with hash 246854580, now seen corresponding path program 1 times [2018-12-09 11:01:59,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:01:59,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:59,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:01:59,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:59,134 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:01:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:01:59,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:01:59,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:01:59,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:01:59,185 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:01:59,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:01:59,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:01:59,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:01:59,186 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 6 states. [2018-12-09 11:01:59,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:01:59,300 INFO L93 Difference]: Finished difference Result 221 states and 266 transitions. [2018-12-09 11:01:59,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:01:59,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-09 11:01:59,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:01:59,303 INFO L225 Difference]: With dead ends: 221 [2018-12-09 11:01:59,303 INFO L226 Difference]: Without dead ends: 154 [2018-12-09 11:01:59,304 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 [2018-12-09 11:01:59,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-09 11:01:59,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2018-12-09 11:01:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-09 11:01:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2018-12-09 11:01:59,321 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 64 [2018-12-09 11:01:59,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:01:59,322 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2018-12-09 11:01:59,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:01:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2018-12-09 11:01:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 11:01:59,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:01:59,324 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:01:59,325 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:01:59,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:01:59,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1140238256, now seen corresponding path program 1 times [2018-12-09 11:01:59,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:01:59,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:59,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:01:59,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:01:59,326 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:01:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:01:59,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:01:59,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:01:59,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:01:59,397 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:01:59,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:01:59,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:01:59,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:01:59,398 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 7 states. [2018-12-09 11:01:59,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:01:59,579 INFO L93 Difference]: Finished difference Result 240 states and 289 transitions. [2018-12-09 11:01:59,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:01:59,580 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-12-09 11:01:59,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:01:59,580 INFO L225 Difference]: With dead ends: 240 [2018-12-09 11:01:59,581 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:01:59,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 11:01:59,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:01:59,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:01:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:01:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:01:59,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-12-09 11:01:59,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:01:59,583 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:01:59,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:01:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:01:59,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:01:59,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:02:00,009 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 211 218) the Hoare annotation is: true [2018-12-09 11:02:00,009 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2018-12-09 11:02:00,010 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2018-12-09 11:02:00,010 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 161 185) no Hoare annotation was computed. [2018-12-09 11:02:00,010 INFO L444 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))) [2018-12-09 11:02:00,010 INFO L444 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))) [2018-12-09 11:02:00,010 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 161 185) no Hoare annotation was computed. [2018-12-09 11:02:00,010 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 11:02:00,010 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 11:02:00,010 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 177) no Hoare annotation was computed. [2018-12-09 11:02:00,010 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 11:02:00,010 INFO L448 ceAbstractionStarter]: For program point L167-1(line 167) no Hoare annotation was computed. [2018-12-09 11:02:00,010 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-12-09 11:02:00,010 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 663 669) the Hoare annotation is: true [2018-12-09 11:02:00,010 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 663 669) no Hoare annotation was computed. [2018-12-09 11:02:00,010 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 670 678) no Hoare annotation was computed. [2018-12-09 11:02:00,010 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 670 678) the Hoare annotation is: true [2018-12-09 11:02:00,010 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 670 678) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L444 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))) [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L444 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))) [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L444 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))) [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L444 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))) [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L444 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))) [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-12-09 11:02:00,011 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-12-09 11:02:00,012 INFO L444 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))) [2018-12-09 11:02:00,012 INFO L444 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))) [2018-12-09 11:02:00,012 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 873 895) no Hoare annotation was computed. [2018-12-09 11:02:00,012 INFO L444 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))) [2018-12-09 11:02:00,012 INFO L444 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))) [2018-12-09 11:02:00,012 INFO L448 ceAbstractionStarter]: For program point L883(lines 883 890) no Hoare annotation was computed. [2018-12-09 11:02:00,012 INFO L448 ceAbstractionStarter]: For program point L883-1(lines 883 890) no Hoare annotation was computed. [2018-12-09 11:02:00,012 INFO L448 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-12-09 11:02:00,012 INFO L444 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))) [2018-12-09 11:02:00,012 INFO L444 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))) [2018-12-09 11:02:00,012 INFO L444 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))) [2018-12-09 11:02:00,012 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 873 895) no Hoare annotation was computed. [2018-12-09 11:02:00,012 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 153 159) no Hoare annotation was computed. [2018-12-09 11:02:00,012 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 153 159) the Hoare annotation is: true [2018-12-09 11:02:00,012 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 230 238) no Hoare annotation was computed. [2018-12-09 11:02:00,012 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 230 238) the Hoare annotation is: true [2018-12-09 11:02:00,012 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 230 238) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 11:02:00,013 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 770 798) the Hoare annotation is: true [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 789) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point L782(lines 782 792) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L444 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 795) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point L778-1(lines 770 798) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L451 ceAbstractionStarter]: At program point L776(line 776) the Hoare annotation is: true [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 770 798) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 762 769) the Hoare annotation is: true [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 762 769) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 762 769) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:02:00,013 INFO L444 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))) [2018-12-09 11:02:00,013 INFO L448 ceAbstractionStarter]: For program point L711-1(lines 707 718) no Hoare annotation was computed. [2018-12-09 11:02:00,014 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 707 718) no Hoare annotation was computed. [2018-12-09 11:02:00,014 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 719 727) the Hoare annotation is: true [2018-12-09 11:02:00,014 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 719 727) no Hoare annotation was computed. [2018-12-09 11:02:00,014 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 719 727) no Hoare annotation was computed. [2018-12-09 11:02:00,014 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 801 830) no Hoare annotation was computed. [2018-12-09 11:02:00,014 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 801 830) the Hoare annotation is: true [2018-12-09 11:02:00,014 INFO L451 ceAbstractionStarter]: At program point L826(lines 801 830) the Hoare annotation is: true [2018-12-09 11:02:00,014 INFO L448 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-12-09 11:02:00,014 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2018-12-09 11:02:00,014 INFO L451 ceAbstractionStarter]: At program point L815-1(lines 815 819) the Hoare annotation is: true [2018-12-09 11:02:00,014 INFO L448 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-12-09 11:02:00,014 INFO L451 ceAbstractionStarter]: At program point L811-2(lines 811 825) the Hoare annotation is: true [2018-12-09 11:02:00,014 INFO L451 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-12-09 11:02:00,014 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-12-09 11:02:00,014 INFO L444 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))) [2018-12-09 11:02:00,014 INFO L444 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))) [2018-12-09 11:02:00,014 INFO L444 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))) [2018-12-09 11:02:00,014 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 129 152) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L444 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 129 152) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point L133(lines 132 151) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 683 694) the Hoare annotation is: true [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point L687-1(lines 683 694) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 683 694) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 656 662) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 656 662) the Hoare annotation is: true [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 855 861) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 855 861) the Hoare annotation is: true [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 11:02:00,015 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 695 706) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point L699-1(lines 695 706) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 695 706) the Hoare annotation is: true [2018-12-09 11:02:00,015 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 109 116) no Hoare annotation was computed. [2018-12-09 11:02:00,015 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 109 116) the Hoare annotation is: true [2018-12-09 11:02:00,016 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2018-12-09 11:02:00,016 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 109 116) no Hoare annotation was computed. [2018-12-09 11:02:00,016 INFO L444 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))) [2018-12-09 11:02:00,016 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 862 872) no Hoare annotation was computed. [2018-12-09 11:02:00,016 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 862 872) no Hoare annotation was computed. [2018-12-09 11:02:00,016 INFO L444 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))) [2018-12-09 11:02:00,016 INFO L451 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: true [2018-12-09 11:02:00,016 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 219 229) the Hoare annotation is: true [2018-12-09 11:02:00,016 INFO L448 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-12-09 11:02:00,016 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 219 229) no Hoare annotation was computed. [2018-12-09 11:02:00,016 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 219 229) no Hoare annotation was computed. [2018-12-09 11:02:00,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:02:00 BoogieIcfgContainer [2018-12-09 11:02:00,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:02:00,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:02:00,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:02:00,024 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:02:00,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:01:58" (3/4) ... [2018-12-09 11:02:00,027 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:02:00,031 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 11:02:00,031 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 11:02:00,031 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 11:02:00,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 11:02:00,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 11:02:00,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 11:02:00,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 11:02:00,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 11:02:00,037 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 11:02:00,037 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 11:02:00,038 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 11:02:00,038 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 11:02:00,038 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:02:00,038 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:02:00,058 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-09 11:02:00,058 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 11:02:00,079 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c7c15f55-4f15-44d2-a9f1-ad8f5383e197/bin-2019/utaipan/witness.graphml [2018-12-09 11:02:00,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:02:00,080 INFO L168 Benchmark]: Toolchain (without parser) took 2198.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.0 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -228.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:02:00,080 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:02:00,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:02:00,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:02:00,081 INFO L168 Benchmark]: Boogie Preprocessor took 20.83 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:02:00,081 INFO L168 Benchmark]: RCFGBuilder took 308.52 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:02:00,081 INFO L168 Benchmark]: TraceAbstraction took 1510.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.8 MB). Peak memory consumption was 289.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:02:00,081 INFO L168 Benchmark]: Witness Printer took 55.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:02:00,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.83 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 308.52 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1510.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.8 MB). Peak memory consumption was 289.5 MB. Max. memory is 11.5 GB. * Witness Printer took 55.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 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, 117 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 530 SDtfs, 252 SDslu, 817 SDs, 0 SdLazy, 318 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred 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, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 30424 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...