./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46_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_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/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 e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:02:15,461 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:02:15,462 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:02:15,468 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:02:15,468 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:02:15,468 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:02:15,469 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:02:15,470 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:02:15,471 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:02:15,472 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:02:15,472 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:02:15,472 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:02:15,473 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:02:15,473 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:02:15,474 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:02:15,474 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:02:15,475 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:02:15,476 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:02:15,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:02:15,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:02:15,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:02:15,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:02:15,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:02:15,481 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:02:15,481 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:02:15,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:02:15,482 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:02:15,482 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:02:15,482 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:02:15,483 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:02:15,483 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:02:15,484 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:02:15,484 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:02:15,484 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:02:15,484 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:02:15,485 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:02:15,485 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 01:02:15,492 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:02:15,493 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:02:15,493 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:02:15,493 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:02:15,494 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:02:15,494 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:02:15,494 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:02:15,494 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 01:02:15,494 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:02:15,494 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:02:15,494 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 01:02:15,494 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 01:02:15,495 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:02:15,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:02:15,495 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:02:15,495 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:02:15,495 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:02:15,495 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:02:15,495 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:02:15,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:02:15,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:02:15,496 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:02:15,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:02:15,496 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:02:15,496 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:02:15,496 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:02:15,496 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:02:15,496 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:02:15,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:02:15,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:02:15,497 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:02:15,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:02:15,497 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 01:02:15,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:02:15,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:02:15,497 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 01:02:15,497 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_b4865449-5336-4529-acba-5cf562e1a061/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 -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2018-12-02 01:02:15,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:02:15,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:02:15,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:02:15,528 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:02:15,529 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:02:15,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-12-02 01:02:15,574 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/data/2f4e67e7b/0ad81e9b30674b5bb8a4d4a1ec3a8569/FLAG87ba979a3 [2018-12-02 01:02:15,990 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:02:15,990 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/sv-benchmarks/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-12-02 01:02:15,996 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/data/2f4e67e7b/0ad81e9b30674b5bb8a4d4a1ec3a8569/FLAG87ba979a3 [2018-12-02 01:02:16,004 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/data/2f4e67e7b/0ad81e9b30674b5bb8a4d4a1ec3a8569 [2018-12-02 01:02:16,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:02:16,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:02:16,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:02:16,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:02:16,010 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:02:16,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,012 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 02.12 01:02:16, skipping insertion in model container [2018-12-02 01:02:16,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:02:16,036 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:02:16,208 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:02:16,251 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:02:16,305 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:02:16,324 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:02:16,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16 WrapperNode [2018-12-02 01:02:16,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:02:16,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:02:16,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:02:16,325 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:02:16,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:02:16,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:02:16,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:02:16,351 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:02:16,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... [2018-12-02 01:02:16,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:02:16,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:02:16,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:02:16,374 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:02:16,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/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 [2018-12-02 01:02:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 01:02:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 01:02:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:02:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:02:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:02:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 01:02:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 01:02:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 01:02:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 01:02:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 01:02:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 01:02:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 01:02:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 01:02:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 01:02:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 01:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 01:02:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 01:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 01:02:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 01:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 01:02:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 01:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 01:02:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 01:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 01:02:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 01:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 01:02:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 01:02:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 01:02:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 01:02:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 01:02:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 01:02:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 01:02:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 01:02:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 01:02:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 01:02:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 01:02:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 01:02:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 01:02:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 01:02:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 01:02:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 01:02:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 01:02:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 01:02:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 01:02:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 01:02:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 01:02:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 01:02:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 01:02:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:02:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:02:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 01:02:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 01:02:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 01:02:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 01:02:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:02:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:02:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 01:02:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 01:02:16,743 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:02:16,743 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 01:02:16,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:02:16 BoogieIcfgContainer [2018-12-02 01:02:16,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:02:16,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:02:16,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:02:16,746 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:02:16,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:02:16" (1/3) ... [2018-12-02 01:02:16,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6561d953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:02:16, skipping insertion in model container [2018-12-02 01:02:16,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:02:16" (2/3) ... [2018-12-02 01:02:16,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6561d953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:02:16, skipping insertion in model container [2018-12-02 01:02:16,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:02:16" (3/3) ... [2018-12-02 01:02:16,749 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-12-02 01:02:16,757 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:02:16,763 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:02:16,772 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:02:16,795 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:02:16,796 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:02:16,796 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:02:16,796 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:02:16,796 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:02:16,796 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:02:16,796 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:02:16,796 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:02:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-12-02 01:02:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 01:02:16,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:16,815 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] [2018-12-02 01:02:16,817 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:16,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:16,820 INFO L82 PathProgramCache]: Analyzing trace with hash -462838774, now seen corresponding path program 1 times [2018-12-02 01:02:16,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:16,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:16,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:16,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:16,849 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:16,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:02:16,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:02:16,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:02:16,958 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:16,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:02:16,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:02:16,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:02:16,970 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-12-02 01:02:16,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:16,992 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2018-12-02 01:02:16,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:02:16,992 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 01:02:16,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:16,999 INFO L225 Difference]: With dead ends: 268 [2018-12-02 01:02:16,999 INFO L226 Difference]: Without dead ends: 134 [2018-12-02 01:02:17,002 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 [2018-12-02 01:02:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-02 01:02:17,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-02 01:02:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-02 01:02:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2018-12-02 01:02:17,032 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2018-12-02 01:02:17,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:17,033 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2018-12-02 01:02:17,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:02:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2018-12-02 01:02:17,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 01:02:17,035 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:17,035 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] [2018-12-02 01:02:17,035 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:17,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:17,035 INFO L82 PathProgramCache]: Analyzing trace with hash 2015304629, now seen corresponding path program 1 times [2018-12-02 01:02:17,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:17,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:17,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:02:17,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:02:17,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:02:17,086 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:17,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:02:17,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:02:17,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:02:17,088 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2018-12-02 01:02:17,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:17,100 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2018-12-02 01:02:17,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:02:17,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 01:02:17,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:17,102 INFO L225 Difference]: With dead ends: 213 [2018-12-02 01:02:17,102 INFO L226 Difference]: Without dead ends: 125 [2018-12-02 01:02:17,103 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 [2018-12-02 01:02:17,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-02 01:02:17,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-02 01:02:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-02 01:02:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2018-12-02 01:02:17,110 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2018-12-02 01:02:17,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:17,110 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2018-12-02 01:02:17,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:02:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2018-12-02 01:02:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 01:02:17,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:17,111 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] [2018-12-02 01:02:17,112 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:17,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:17,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1303312121, now seen corresponding path program 1 times [2018-12-02 01:02:17,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:17,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:17,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:02:17,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:02:17,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:02:17,185 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:17,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:02:17,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:02:17,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:02:17,186 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 7 states. [2018-12-02 01:02:17,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:17,328 INFO L93 Difference]: Finished difference Result 226 states and 269 transitions. [2018-12-02 01:02:17,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:02:17,329 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 01:02:17,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:17,330 INFO L225 Difference]: With dead ends: 226 [2018-12-02 01:02:17,330 INFO L226 Difference]: Without dead ends: 125 [2018-12-02 01:02:17,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:02:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-02 01:02:17,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-02 01:02:17,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-02 01:02:17,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2018-12-02 01:02:17,342 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52 [2018-12-02 01:02:17,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:17,342 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2018-12-02 01:02:17,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:02:17,342 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2018-12-02 01:02:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 01:02:17,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:17,344 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] [2018-12-02 01:02:17,345 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:17,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:17,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1281182978, now seen corresponding path program 1 times [2018-12-02 01:02:17,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:17,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:17,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,346 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:02:17,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:02:17,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 01:02:17,411 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:17,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 01:02:17,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 01:02:17,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 01:02:17,411 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 5 states. [2018-12-02 01:02:17,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:17,715 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2018-12-02 01:02:17,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:02:17,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-02 01:02:17,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:17,717 INFO L225 Difference]: With dead ends: 332 [2018-12-02 01:02:17,717 INFO L226 Difference]: Without dead ends: 231 [2018-12-02 01:02:17,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:02:17,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-12-02 01:02:17,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 212. [2018-12-02 01:02:17,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-12-02 01:02:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2018-12-02 01:02:17,740 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 65 [2018-12-02 01:02:17,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:17,740 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2018-12-02 01:02:17,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 01:02:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2018-12-02 01:02:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-02 01:02:17,743 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:17,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:02:17,743 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:17,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:17,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1711882229, now seen corresponding path program 1 times [2018-12-02 01:02:17,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:17,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:17,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:17,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:02:17,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:02:17,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:02:17,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:17,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:02:17,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:02:17,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:02:17,804 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 6 states. [2018-12-02 01:02:17,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:17,944 INFO L93 Difference]: Finished difference Result 573 states and 673 transitions. [2018-12-02 01:02:17,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:02:17,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-02 01:02:17,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:17,948 INFO L225 Difference]: With dead ends: 573 [2018-12-02 01:02:17,948 INFO L226 Difference]: Without dead ends: 385 [2018-12-02 01:02:17,949 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 [2018-12-02 01:02:17,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-12-02 01:02:17,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 379. [2018-12-02 01:02:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-12-02 01:02:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 432 transitions. [2018-12-02 01:02:17,978 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 432 transitions. Word has length 79 [2018-12-02 01:02:17,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:17,978 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 432 transitions. [2018-12-02 01:02:17,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:02:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 432 transitions. [2018-12-02 01:02:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 01:02:17,980 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:17,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:02:17,980 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:17,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:17,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1794398575, now seen corresponding path program 1 times [2018-12-02 01:02:17,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:17,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:17,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:17,982 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:02:18,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:02:18,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:02:18,070 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:18,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:02:18,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:02:18,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:02:18,070 INFO L87 Difference]: Start difference. First operand 379 states and 432 transitions. Second operand 7 states. [2018-12-02 01:02:18,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:18,413 INFO L93 Difference]: Finished difference Result 414 states and 486 transitions. [2018-12-02 01:02:18,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 01:02:18,413 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-12-02 01:02:18,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:18,415 INFO L225 Difference]: With dead ends: 414 [2018-12-02 01:02:18,415 INFO L226 Difference]: Without dead ends: 411 [2018-12-02 01:02:18,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:02:18,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-12-02 01:02:18,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 379. [2018-12-02 01:02:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-12-02 01:02:18,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 431 transitions. [2018-12-02 01:02:18,440 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 431 transitions. Word has length 83 [2018-12-02 01:02:18,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:18,440 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 431 transitions. [2018-12-02 01:02:18,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:02:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 431 transitions. [2018-12-02 01:02:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 01:02:18,442 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:18,442 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:02:18,443 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:18,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:18,443 INFO L82 PathProgramCache]: Analyzing trace with hash -734701378, now seen corresponding path program 1 times [2018-12-02 01:02:18,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:18,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:18,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:18,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:18,444 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:02:18,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:02:18,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:02:18,487 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:18,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:02:18,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:02:18,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:02:18,488 INFO L87 Difference]: Start difference. First operand 379 states and 431 transitions. Second operand 6 states. [2018-12-02 01:02:18,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:18,523 INFO L93 Difference]: Finished difference Result 748 states and 870 transitions. [2018-12-02 01:02:18,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:02:18,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-02 01:02:18,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:18,525 INFO L225 Difference]: With dead ends: 748 [2018-12-02 01:02:18,525 INFO L226 Difference]: Without dead ends: 393 [2018-12-02 01:02:18,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:02:18,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-12-02 01:02:18,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2018-12-02 01:02:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-12-02 01:02:18,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2018-12-02 01:02:18,546 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 99 [2018-12-02 01:02:18,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:18,547 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2018-12-02 01:02:18,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:02:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2018-12-02 01:02:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 01:02:18,548 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:18,549 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:02:18,549 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:18,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:18,549 INFO L82 PathProgramCache]: Analyzing trace with hash 158784960, now seen corresponding path program 1 times [2018-12-02 01:02:18,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:18,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:18,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:18,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:18,550 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:02:18,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:02:18,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 01:02:18,618 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:18,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:02:18,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:02:18,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:02:18,619 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 8 states. [2018-12-02 01:02:18,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:18,651 INFO L93 Difference]: Finished difference Result 768 states and 892 transitions. [2018-12-02 01:02:18,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:02:18,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-02 01:02:18,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:18,653 INFO L225 Difference]: With dead ends: 768 [2018-12-02 01:02:18,653 INFO L226 Difference]: Without dead ends: 403 [2018-12-02 01:02:18,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:02:18,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-02 01:02:18,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 397. [2018-12-02 01:02:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-12-02 01:02:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 449 transitions. [2018-12-02 01:02:18,673 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 449 transitions. Word has length 99 [2018-12-02 01:02:18,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:18,673 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 449 transitions. [2018-12-02 01:02:18,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:02:18,673 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 449 transitions. [2018-12-02 01:02:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 01:02:18,674 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:18,674 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:02:18,675 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:18,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash 151025601, now seen corresponding path program 1 times [2018-12-02 01:02:18,675 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:18,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:18,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:18,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:18,676 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:02:18,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:02:18,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 01:02:18,730 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:18,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 01:02:18,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 01:02:18,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:02:18,731 INFO L87 Difference]: Start difference. First operand 397 states and 449 transitions. Second operand 4 states. [2018-12-02 01:02:18,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:18,871 INFO L93 Difference]: Finished difference Result 1179 states and 1402 transitions. [2018-12-02 01:02:18,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 01:02:18,872 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-02 01:02:18,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:18,874 INFO L225 Difference]: With dead ends: 1179 [2018-12-02 01:02:18,874 INFO L226 Difference]: Without dead ends: 806 [2018-12-02 01:02:18,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:02:18,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-12-02 01:02:18,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 791. [2018-12-02 01:02:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-02 01:02:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 921 transitions. [2018-12-02 01:02:18,901 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 921 transitions. Word has length 99 [2018-12-02 01:02:18,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:18,901 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 921 transitions. [2018-12-02 01:02:18,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 01:02:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 921 transitions. [2018-12-02 01:02:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 01:02:18,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:18,903 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:02:18,903 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:18,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:18,903 INFO L82 PathProgramCache]: Analyzing trace with hash 291684775, now seen corresponding path program 1 times [2018-12-02 01:02:18,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:18,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:18,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:18,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:18,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:02:19,002 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:02:19,002 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:02:19,002 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-12-02 01:02:19,004 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [48], [52], [53], [54], [69], [72], [74], [83], [87], [91], [94], [99], [102], [107], [113], [116], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [148], [150], [151], [156], [158], [159], [160], [192], [196], [210], [218], [222], [223], [226], [228], [231], [233], [236], [245], [246], [247], [248], [249], [250], [251], [252], [253], [255], [256], [257], [258], [263], [265], [266], [273], [274], [275], [276], [277], [278], [281], [285], [286], [287], [288], [289], [290], [297], [298], [299], [301], [302], [303], [305], [306], [307], [308], [309] [2018-12-02 01:02:19,029 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:02:19,029 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:02:19,313 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 01:02:19,314 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2601 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2601 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 01:02:19,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:19,320 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 01:02:19,520 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.26% of their original sizes. [2018-12-02 01:02:19,520 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 01:02:19,617 INFO L418 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-12-02 01:02:19,617 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 01:02:19,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:02:19,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [13] total 29 [2018-12-02 01:02:19,618 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:19,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 01:02:19,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 01:02:19,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-12-02 01:02:19,618 INFO L87 Difference]: Start difference. First operand 791 states and 921 transitions. Second operand 18 states. [2018-12-02 01:02:22,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:22,516 INFO L93 Difference]: Finished difference Result 1752 states and 2073 transitions. [2018-12-02 01:02:22,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 01:02:22,516 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 103 [2018-12-02 01:02:22,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:22,521 INFO L225 Difference]: With dead ends: 1752 [2018-12-02 01:02:22,521 INFO L226 Difference]: Without dead ends: 985 [2018-12-02 01:02:22,523 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=636, Unknown=0, NotChecked=0, Total=756 [2018-12-02 01:02:22,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2018-12-02 01:02:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 981. [2018-12-02 01:02:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2018-12-02 01:02:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1115 transitions. [2018-12-02 01:02:22,578 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1115 transitions. Word has length 103 [2018-12-02 01:02:22,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:22,578 INFO L480 AbstractCegarLoop]: Abstraction has 981 states and 1115 transitions. [2018-12-02 01:02:22,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 01:02:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1115 transitions. [2018-12-02 01:02:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 01:02:22,581 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:02:22,581 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:02:22,581 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:02:22,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:22,581 INFO L82 PathProgramCache]: Analyzing trace with hash -503372183, now seen corresponding path program 1 times [2018-12-02 01:02:22,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:02:22,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:22,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:22,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:02:22,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:02:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 01:02:22,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:02:22,672 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:02:22,672 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-02 01:02:22,672 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [42], [44], [45], [48], [52], [53], [54], [57], [59], [65], [69], [72], [73], [74], [83], [87], [91], [94], [97], [99], [102], [105], [107], [113], [116], [126], [127], [128], [129], [130], [132], [137], [140], [141], [143], [148], [150], [151], [156], [158], [159], [160], [189], [192], [196], [202], [205], [209], [210], [218], [222], [223], [226], [228], [231], [233], [236], [242], [244], [245], [246], [247], [248], [249], [250], [251], [252], [253], [255], [256], [257], [258], [261], [262], [263], [265], [266], [267], [268], [271], [272], [273], [274], [275], [276], [277], [278], [281], [282], [285], [286], [287], [288], [289], [290], [295], [296], [297], [298], [299], [300], [301], [302], [303], [305], [306], [307], [308], [309] [2018-12-02 01:02:22,675 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:02:22,675 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:02:23,750 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:02:23,750 INFO L272 AbstractInterpreter]: Visited 124 different actions 924 times. Merged at 18 different actions 70 times. Never widened. Performed 30618 root evaluator evaluations with a maximum evaluation depth of 3. Performed 30618 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 17 fixpoints after 4 different actions. Largest state had 133 variables. [2018-12-02 01:02:23,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:02:23,753 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:02:23,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:02:23,753 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:02:23,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:02:23,760 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:02:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:02:23,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:02:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 01:02:23,947 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:02:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 01:02:24,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:02:24,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 01:02:24,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:02:24,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:02:24,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:02:24,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 01:02:24,251 INFO L87 Difference]: Start difference. First operand 981 states and 1115 transitions. Second operand 8 states. [2018-12-02 01:02:24,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:02:24,415 INFO L93 Difference]: Finished difference Result 1513 states and 1740 transitions. [2018-12-02 01:02:24,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:02:24,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2018-12-02 01:02:24,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:02:24,416 INFO L225 Difference]: With dead ends: 1513 [2018-12-02 01:02:24,416 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:02:24,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 01:02:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:02:24,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:02:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:02:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:02:24,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-02 01:02:24,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:02:24,418 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:02:24,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:02:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:02:24,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:02:24,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:02:24,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:02:24,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:02:24,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:02:24,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:02:25,223 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2018-12-02 01:02:25,491 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2018-12-02 01:02:26,218 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2018-12-02 01:02:26,621 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 441 447) the Hoare annotation is: true [2018-12-02 01:02:26,621 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 441 447) no Hoare annotation was computed. [2018-12-02 01:02:26,621 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 448 456) no Hoare annotation was computed. [2018-12-02 01:02:26,621 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 448 456) the Hoare annotation is: true [2018-12-02 01:02:26,621 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 448 456) no Hoare annotation was computed. [2018-12-02 01:02:26,621 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:02:26,621 INFO L444 ceAbstractionStarter]: At program point L411(line 411) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:02:26,621 INFO L444 ceAbstractionStarter]: At program point L411-1(line 411) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:02:26,621 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2018-12-02 01:02:26,621 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2018-12-02 01:02:26,622 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2018-12-02 01:02:26,622 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 01:02:26,622 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:02:26,622 INFO L444 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:02:26,622 INFO L444 ceAbstractionStarter]: At program point L405-1(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:02:26,622 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2018-12-02 01:02:26,622 INFO L448 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-12-02 01:02:26,622 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2018-12-02 01:02:26,622 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 156 180) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:02:26,622 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-12-02 01:02:26,622 INFO L448 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2018-12-02 01:02:26,622 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 156 180) no Hoare annotation was computed. [2018-12-02 01:02:26,622 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse3 (not .cse2) .cse0) (or .cse3 .cse0 .cse1))) [2018-12-02 01:02:26,622 INFO L444 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse0 .cse1)))) [2018-12-02 01:02:26,622 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2018-12-02 01:02:26,622 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse3 .cse0))) [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 251 259) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 251 259) the Hoare annotation is: true [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 251 259) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 434 440) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 434 440) the Hoare annotation is: true [2018-12-02 01:02:26,623 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 386 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 386 395) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 386 395) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 240 250) the Hoare annotation is: true [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 240 250) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 240 250) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L451 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 232 239) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 232 239) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 573 586) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 573 586) the Hoare annotation is: true [2018-12-02 01:02:26,623 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 573 586) no Hoare annotation was computed. [2018-12-02 01:02:26,623 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse4) .cse1))) [2018-12-02 01:02:26,624 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 198) no Hoare annotation was computed. [2018-12-02 01:02:26,624 INFO L444 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 .cse4 .cse1))) [2018-12-02 01:02:26,624 INFO L448 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2018-12-02 01:02:26,624 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 203) no Hoare annotation was computed. [2018-12-02 01:02:26,624 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 182 206) no Hoare annotation was computed. [2018-12-02 01:02:26,624 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 182 206) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-02 01:02:26,624 INFO L444 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse3) (or .cse4 .cse0 .cse2))) [2018-12-02 01:02:26,624 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 182 206) no Hoare annotation was computed. [2018-12-02 01:02:26,624 INFO L444 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-02 01:02:26,624 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2018-12-02 01:02:26,624 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2018-12-02 01:02:26,624 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:02:26,624 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-12-02 01:02:26,624 INFO L444 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-02 01:02:26,624 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-12-02 01:02:26,624 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-02 01:02:26,625 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~methaneLevelCritical~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 207 214) the Hoare annotation is: (or (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 207 214) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 207 214) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point L226-1(lines 215 231) no Hoare annotation was computed. [2018-12-02 01:02:26,625 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 215 231) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 215 231) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-02 01:02:26,626 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 309) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 296 314) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L451 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: true [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 296 314) the Hoare annotation is: true [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 296 314) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 520 531) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point L524-1(lines 520 531) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 520 531) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 532 540) the Hoare annotation is: true [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 532 540) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 532 540) no Hoare annotation was computed. [2018-12-02 01:02:26,626 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2018-12-02 01:02:26,627 INFO L451 ceAbstractionStarter]: At program point L350(lines 325 354) the Hoare annotation is: true [2018-12-02 01:02:26,627 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2018-12-02 01:02:26,627 INFO L448 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2018-12-02 01:02:26,627 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2018-12-02 01:02:26,627 INFO L451 ceAbstractionStarter]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2018-12-02 01:02:26,627 INFO L448 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2018-12-02 01:02:26,627 INFO L451 ceAbstractionStarter]: At program point L335-2(lines 335 349) the Hoare annotation is: true [2018-12-02 01:02:26,627 INFO L451 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2018-12-02 01:02:26,627 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-12-02 01:02:26,627 INFO L448 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2018-12-02 01:02:26,627 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (= 1 ~waterLevel~0)) (.cse10 (not .cse5)) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6) (or .cse7 .cse2 .cse8) (or .cse0 .cse1 .cse9 .cse2 .cse10) (or .cse0 .cse2 .cse7) (or .cse1 .cse9 .cse2 .cse10 .cse8) (or .cse5 .cse2 .cse6 .cse8) (or .cse1 .cse3 .cse2 .cse8 .cse4)))) [2018-12-02 01:02:26,627 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2018-12-02 01:02:26,627 INFO L444 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| 1))) (let ((.cse10 (not (= ~waterLevel~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse6) (or .cse7 .cse2 .cse8) (or .cse0 .cse9 .cse1 .cse10 .cse2) (or .cse9 .cse1 .cse2 .cse8 .cse10) (or .cse1 .cse5 .cse2 .cse6 .cse8) (or .cse1 .cse3 .cse2 .cse8 .cse4) (or .cse0 .cse7 .cse2)))) [2018-12-02 01:02:26,627 INFO L444 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse4 (not .cse8)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 .cse3 .cse2 .cse4) (or .cse0 .cse2 .cse5) (or .cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5 .cse2 .cse7) (or .cse8 .cse6 .cse2 .cse1 .cse7) (or .cse1 .cse3 .cse2 .cse4 .cse7) (or .cse0 .cse8 .cse6 .cse1 .cse2)))) [2018-12-02 01:02:26,627 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2018-12-02 01:02:26,627 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (and (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-02 01:02:26,627 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 496 507) the Hoare annotation is: true [2018-12-02 01:02:26,627 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 496 507) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point L500-1(lines 496 507) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 01:02:26,628 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 315 322) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 315 322) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse0 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 315 322) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point L512-1(lines 508 519) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 508 519) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 508 519) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4) (or .cse2 .cse5 .cse3 .cse6 .cse7) (or (or .cse2 .cse3 .cse7) .cse1 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse6))) [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 458 465) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 458 465) the Hoare annotation is: true [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 458 465) no Hoare annotation was computed. [2018-12-02 01:02:26,628 INFO L444 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:02:26,628 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-12-02 01:02:26,629 INFO L444 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 01:02:26,629 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 467 491) the Hoare annotation is: true [2018-12-02 01:02:26,629 INFO L448 ceAbstractionStarter]: For program point L477-1(line 477) no Hoare annotation was computed. [2018-12-02 01:02:26,629 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 488) no Hoare annotation was computed. [2018-12-02 01:02:26,629 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 467 491) no Hoare annotation was computed. [2018-12-02 01:02:26,629 INFO L451 ceAbstractionStarter]: At program point L473(line 473) the Hoare annotation is: true [2018-12-02 01:02:26,629 INFO L448 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2018-12-02 01:02:26,629 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 467 491) no Hoare annotation was computed. [2018-12-02 01:02:26,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:02:26 BoogieIcfgContainer [2018-12-02 01:02:26,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:02:26,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:02:26,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:02:26,638 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:02:26,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:02:16" (3/4) ... [2018-12-02 01:02:26,641 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 01:02:26,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 01:02:26,646 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 01:02:26,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 01:02:26,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 01:02:26,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 01:02:26,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-02 01:02:26,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 01:02:26,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 01:02:26,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 01:02:26,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 01:02:26,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 01:02:26,655 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 01:02:26,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) [2018-12-02 01:02:26,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 01:02:26,705 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4865449-5336-4529-acba-5cf562e1a061/bin-2019/utaipan/witness.graphml [2018-12-02 01:02:26,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:02:26,706 INFO L168 Benchmark]: Toolchain (without parser) took 10699.23 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 573.6 MB). Free memory was 953.5 MB in the beginning and 1.2 GB in the end (delta: -211.3 MB). Peak memory consumption was 362.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:02:26,706 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:02:26,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:02:26,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.64 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. [2018-12-02 01:02:26,707 INFO L168 Benchmark]: Boogie Preprocessor took 22.83 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:02:26,707 INFO L168 Benchmark]: RCFGBuilder took 369.79 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: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:02:26,707 INFO L168 Benchmark]: TraceAbstraction took 9893.16 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 443.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.5 MB). Peak memory consumption was 734.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:02:26,707 INFO L168 Benchmark]: Witness Printer took 67.86 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 376.4 kB). Peak memory consumption was 376.4 kB. Max. memory is 11.5 GB. [2018-12-02 01:02:26,708 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.64 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 22.83 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 369.79 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: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9893.16 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 443.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.5 MB). Peak memory consumption was 734.5 MB. Max. memory is 11.5 GB. * Witness Printer took 67.86 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 376.4 kB). Peak memory consumption was 376.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: 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)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 9.8s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2051 SDtfs, 1209 SDslu, 5927 SDs, 0 SdLazy, 2084 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 527 GetRequests, 426 SyntacticMatches, 6 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=981occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.996779096352169 AbsIntWeakeningRatio, 1.0686274509803921 AbsIntAvgWeakeningVarsNumRemoved, 83.32352941176471 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 86 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1649 PreInvPairs, 1773 NumberOfFragments, 1694 HoareAnnotationTreeSize, 1649 FomulaSimplifications, 3564 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 11488 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1082 NumberOfCodeBlocks, 1082 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 205634 SizeOfPredicates, 3 NumberOfNonLiveVariables, 878 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 153/159 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...