./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_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_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash edf277e8e45bc51905c3746c53b47e5f504df38a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:39:14,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:39:14,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:39:14,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:39:14,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:39:14,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:39:14,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:39:14,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:39:14,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:39:14,716 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:39:14,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:39:14,717 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:39:14,718 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:39:14,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:39:14,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:39:14,719 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:39:14,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:39:14,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:39:14,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:39:14,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:39:14,723 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:39:14,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:39:14,725 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:39:14,725 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:39:14,725 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:39:14,726 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:39:14,727 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:39:14,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:39:14,727 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:39:14,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:39:14,728 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:39:14,729 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:39:14,729 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:39:14,729 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:39:14,729 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:39:14,730 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:39:14,730 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 12:39:14,738 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:39:14,738 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:39:14,738 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 12:39:14,738 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 12:39:14,739 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:39:14,739 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:39:14,739 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 12:39:14,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:39:14,740 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:39:14,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:39:14,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:39:14,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:39:14,740 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 12:39:14,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 12:39:14,740 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 12:39:14,741 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:39:14,741 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:39:14,741 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:39:14,741 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 12:39:14,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:39:14,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 12:39:14,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 12:39:14,742 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 12:39:14,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 12:39:14,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:39:14,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 12:39:14,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 12:39:14,742 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 12:39:14,743 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 12:39:14,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 12:39:14,743 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer 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 -> Automizer 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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-12-02 12:39:14,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:39:14,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:39:14,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:39:14,770 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:39:14,770 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:39:14,771 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-02 12:39:14,806 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/data/5b6035d8c/5f5aa27f39154cb388eba676ad316309/FLAG1965e0481 [2018-12-02 12:39:15,235 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:39:15,236 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-02 12:39:15,243 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/data/5b6035d8c/5f5aa27f39154cb388eba676ad316309/FLAG1965e0481 [2018-12-02 12:39:15,251 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/data/5b6035d8c/5f5aa27f39154cb388eba676ad316309 [2018-12-02 12:39:15,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:39:15,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:39:15,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:39:15,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:39:15,256 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:39:15,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15, skipping insertion in model container [2018-12-02 12:39:15,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:39:15,282 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:39:15,440 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:39:15,481 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:39:15,526 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:39:15,542 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:39:15,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15 WrapperNode [2018-12-02 12:39:15,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:39:15,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:39:15,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:39:15,543 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:39:15,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:39:15,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:39:15,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:39:15,564 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:39:15,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... [2018-12-02 12:39:15,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:39:15,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:39:15,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:39:15,588 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:39:15,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/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 12:39:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 12:39:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 12:39:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 12:39:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 12:39:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 12:39:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 12:39:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 12:39:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 12:39:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 12:39:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 12:39:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 12:39:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 12:39:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 12:39:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 12:39:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 12:39:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 12:39:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 12:39:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 12:39:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 12:39:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 12:39:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 12:39:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 12:39:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 12:39:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 12:39:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 12:39:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 12:39:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 12:39:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 12:39:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 12:39:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 12:39:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 12:39:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 12:39:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 12:39:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 12:39:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 12:39:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 12:39:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 12:39:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 12:39:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 12:39:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 12:39:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 12:39:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 12:39:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 12:39:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 12:39:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 12:39:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 12:39:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 12:39:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 12:39:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 12:39:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 12:39:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 12:39:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 12:39:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 12:39:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 12:39:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 12:39:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 12:39:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:39:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:39:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 12:39:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 12:39:15,951 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:39:15,951 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 12:39:15,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:15 BoogieIcfgContainer [2018-12-02 12:39:15,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:39:15,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 12:39:15,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 12:39:15,954 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 12:39:15,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:39:15" (1/3) ... [2018-12-02 12:39:15,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d53192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:39:15, skipping insertion in model container [2018-12-02 12:39:15,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:15" (2/3) ... [2018-12-02 12:39:15,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d53192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:39:15, skipping insertion in model container [2018-12-02 12:39:15,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:15" (3/3) ... [2018-12-02 12:39:15,957 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-02 12:39:15,962 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 12:39:15,967 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 12:39:15,976 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 12:39:15,994 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 12:39:15,995 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 12:39:15,995 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 12:39:15,995 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 12:39:15,995 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 12:39:15,995 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 12:39:15,995 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 12:39:15,995 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 12:39:15,995 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 12:39:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-02 12:39:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 12:39:16,012 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:16,013 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 12:39:16,015 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:16,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:16,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1857615560, now seen corresponding path program 1 times [2018-12-02 12:39:16,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:16,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:16,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:16,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:16,154 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 12:39:16,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:16,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 12:39:16,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 12:39:16,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 12:39:16,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 12:39:16,167 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-02 12:39:16,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:16,191 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-12-02 12:39:16,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 12:39:16,192 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 12:39:16,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:16,199 INFO L225 Difference]: With dead ends: 280 [2018-12-02 12:39:16,199 INFO L226 Difference]: Without dead ends: 140 [2018-12-02 12:39:16,201 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 12:39:16,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-02 12:39:16,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-02 12:39:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-02 12:39:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-12-02 12:39:16,231 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2018-12-02 12:39:16,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:16,232 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-12-02 12:39:16,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 12:39:16,232 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-12-02 12:39:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 12:39:16,233 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:16,234 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 12:39:16,234 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:16,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:16,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1936984543, now seen corresponding path program 1 times [2018-12-02 12:39:16,234 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:16,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:16,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:16,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:16,287 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 12:39:16,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:16,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:39:16,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 12:39:16,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:39:16,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:39:16,289 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2018-12-02 12:39:16,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:16,301 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2018-12-02 12:39:16,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:39:16,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 12:39:16,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:16,303 INFO L225 Difference]: With dead ends: 229 [2018-12-02 12:39:16,303 INFO L226 Difference]: Without dead ends: 131 [2018-12-02 12:39:16,303 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 12:39:16,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-02 12:39:16,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-02 12:39:16,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-02 12:39:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-12-02 12:39:16,311 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2018-12-02 12:39:16,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:16,312 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-12-02 12:39:16,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 12:39:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-12-02 12:39:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 12:39:16,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:16,313 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:39:16,313 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:16,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:16,313 INFO L82 PathProgramCache]: Analyzing trace with hash -722343227, now seen corresponding path program 1 times [2018-12-02 12:39:16,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:16,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:16,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:16,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:16,382 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 12:39:16,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:16,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 12:39:16,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 12:39:16,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 12:39:16,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 12:39:16,383 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2018-12-02 12:39:16,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:16,523 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-12-02 12:39:16,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 12:39:16,524 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 12:39:16,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:16,525 INFO L225 Difference]: With dead ends: 238 [2018-12-02 12:39:16,525 INFO L226 Difference]: Without dead ends: 131 [2018-12-02 12:39:16,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 12:39:16,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-02 12:39:16,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-02 12:39:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-02 12:39:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2018-12-02 12:39:16,533 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2018-12-02 12:39:16,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:16,533 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2018-12-02 12:39:16,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 12:39:16,533 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2018-12-02 12:39:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 12:39:16,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:16,534 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:39:16,534 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:16,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:16,535 INFO L82 PathProgramCache]: Analyzing trace with hash 284293189, now seen corresponding path program 1 times [2018-12-02 12:39:16,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:16,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:16,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:16,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:16,593 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 12:39:16,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:16,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 12:39:16,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 12:39:16,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 12:39:16,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 12:39:16,594 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2018-12-02 12:39:16,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:16,864 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2018-12-02 12:39:16,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 12:39:16,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-02 12:39:16,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:16,866 INFO L225 Difference]: With dead ends: 334 [2018-12-02 12:39:16,866 INFO L226 Difference]: Without dead ends: 227 [2018-12-02 12:39:16,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 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 12:39:16,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-02 12:39:16,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-12-02 12:39:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-12-02 12:39:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-12-02 12:39:16,882 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2018-12-02 12:39:16,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:16,882 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-12-02 12:39:16,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 12:39:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-12-02 12:39:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 12:39:16,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:16,883 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] [2018-12-02 12:39:16,883 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:16,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:16,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1111290271, now seen corresponding path program 1 times [2018-12-02 12:39:16,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:16,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:16,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:16,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:16,933 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 12:39:16,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:16,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 12:39:16,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 12:39:16,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 12:39:16,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 12:39:16,935 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-12-02 12:39:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:17,051 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2018-12-02 12:39:17,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 12:39:17,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-12-02 12:39:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:17,054 INFO L225 Difference]: With dead ends: 564 [2018-12-02 12:39:17,054 INFO L226 Difference]: Without dead ends: 379 [2018-12-02 12:39:17,055 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 12:39:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-12-02 12:39:17,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2018-12-02 12:39:17,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-12-02 12:39:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2018-12-02 12:39:17,076 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2018-12-02 12:39:17,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:17,076 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2018-12-02 12:39:17,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 12:39:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2018-12-02 12:39:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-02 12:39:17,078 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:17,078 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] [2018-12-02 12:39:17,078 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:17,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:17,078 INFO L82 PathProgramCache]: Analyzing trace with hash -523312547, now seen corresponding path program 1 times [2018-12-02 12:39:17,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:17,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:17,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:17,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:17,144 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 12:39:17,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:17,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 12:39:17,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 12:39:17,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 12:39:17,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 12:39:17,145 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2018-12-02 12:39:17,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:17,460 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2018-12-02 12:39:17,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 12:39:17,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-12-02 12:39:17,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:17,462 INFO L225 Difference]: With dead ends: 406 [2018-12-02 12:39:17,462 INFO L226 Difference]: Without dead ends: 403 [2018-12-02 12:39:17,463 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 12:39:17,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-02 12:39:17,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2018-12-02 12:39:17,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-12-02 12:39:17,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2018-12-02 12:39:17,485 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2018-12-02 12:39:17,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:17,485 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2018-12-02 12:39:17,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 12:39:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2018-12-02 12:39:17,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 12:39:17,487 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:17,487 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] [2018-12-02 12:39:17,488 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:17,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:17,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1504884770, now seen corresponding path program 1 times [2018-12-02 12:39:17,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:17,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:17,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:17,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:17,533 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 12:39:17,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:17,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 12:39:17,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 12:39:17,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 12:39:17,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 12:39:17,534 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2018-12-02 12:39:17,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:17,567 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2018-12-02 12:39:17,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 12:39:17,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-02 12:39:17,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:17,569 INFO L225 Difference]: With dead ends: 736 [2018-12-02 12:39:17,569 INFO L226 Difference]: Without dead ends: 387 [2018-12-02 12:39:17,570 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 12:39:17,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-12-02 12:39:17,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-12-02 12:39:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-12-02 12:39:17,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2018-12-02 12:39:17,582 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2018-12-02 12:39:17,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:17,582 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2018-12-02 12:39:17,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 12:39:17,582 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2018-12-02 12:39:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 12:39:17,583 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:17,583 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] [2018-12-02 12:39:17,583 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:17,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:17,584 INFO L82 PathProgramCache]: Analyzing trace with hash -611398432, now seen corresponding path program 1 times [2018-12-02 12:39:17,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:17,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:17,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:17,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:17,645 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 12:39:17,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:17,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 12:39:17,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 12:39:17,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 12:39:17,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 12:39:17,646 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2018-12-02 12:39:17,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:17,667 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2018-12-02 12:39:17,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 12:39:17,667 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-02 12:39:17,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:17,669 INFO L225 Difference]: With dead ends: 756 [2018-12-02 12:39:17,669 INFO L226 Difference]: Without dead ends: 397 [2018-12-02 12:39:17,669 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 12:39:17,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-12-02 12:39:17,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2018-12-02 12:39:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-12-02 12:39:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2018-12-02 12:39:17,680 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2018-12-02 12:39:17,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:17,681 INFO L480 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2018-12-02 12:39:17,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 12:39:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2018-12-02 12:39:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 12:39:17,681 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:17,682 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] [2018-12-02 12:39:17,682 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:17,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:17,682 INFO L82 PathProgramCache]: Analyzing trace with hash -619157791, now seen corresponding path program 1 times [2018-12-02 12:39:17,682 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:17,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:17,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:17,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:17,726 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 12:39:17,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:17,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 12:39:17,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 12:39:17,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 12:39:17,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 12:39:17,727 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2018-12-02 12:39:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:17,859 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2018-12-02 12:39:17,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 12:39:17,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-02 12:39:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:17,862 INFO L225 Difference]: With dead ends: 1153 [2018-12-02 12:39:17,862 INFO L226 Difference]: Without dead ends: 786 [2018-12-02 12:39:17,863 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 12:39:17,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-12-02 12:39:17,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2018-12-02 12:39:17,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-02 12:39:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2018-12-02 12:39:17,889 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2018-12-02 12:39:17,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:17,889 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2018-12-02 12:39:17,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 12:39:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2018-12-02 12:39:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 12:39:17,891 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:17,891 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] [2018-12-02 12:39:17,891 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:17,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:17,891 INFO L82 PathProgramCache]: Analyzing trace with hash 440304635, now seen corresponding path program 1 times [2018-12-02 12:39:17,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:17,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:17,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:17,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:17,980 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 12:39:17,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:39:17,980 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/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 12:39:17,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:18,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:39:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:39:18,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 12:39:18,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 12:39:18,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 12:39:18,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 12:39:18,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 12:39:18,229 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 19 states. [2018-12-02 12:39:18,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:18,928 INFO L93 Difference]: Finished difference Result 1488 states and 1759 transitions. [2018-12-02 12:39:18,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 12:39:18,929 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2018-12-02 12:39:18,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:18,931 INFO L225 Difference]: With dead ends: 1488 [2018-12-02 12:39:18,931 INFO L226 Difference]: Without dead ends: 741 [2018-12-02 12:39:18,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 12:39:18,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-12-02 12:39:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2018-12-02 12:39:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-12-02 12:39:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 852 transitions. [2018-12-02 12:39:18,952 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 852 transitions. Word has length 102 [2018-12-02 12:39:18,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:18,953 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 852 transitions. [2018-12-02 12:39:18,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 12:39:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 852 transitions. [2018-12-02 12:39:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 12:39:18,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:18,955 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:39:18,955 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:18,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:18,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1904471733, now seen corresponding path program 1 times [2018-12-02 12:39:18,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:18,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:18,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:18,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:18,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 12:39:19,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:39:19,039 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 12:39:19,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:19,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:39:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:39:19,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 12:39:19,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-12-02 12:39:19,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 12:39:19,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 12:39:19,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-02 12:39:19,184 INFO L87 Difference]: Start difference. First operand 741 states and 852 transitions. Second operand 14 states. [2018-12-02 12:39:20,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:20,051 INFO L93 Difference]: Finished difference Result 2227 states and 2899 transitions. [2018-12-02 12:39:20,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 12:39:20,052 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2018-12-02 12:39:20,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:20,059 INFO L225 Difference]: With dead ends: 2227 [2018-12-02 12:39:20,059 INFO L226 Difference]: Without dead ends: 1630 [2018-12-02 12:39:20,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-12-02 12:39:20,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2018-12-02 12:39:20,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1397. [2018-12-02 12:39:20,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1397 states. [2018-12-02 12:39:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1625 transitions. [2018-12-02 12:39:20,130 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1625 transitions. Word has length 155 [2018-12-02 12:39:20,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:20,131 INFO L480 AbstractCegarLoop]: Abstraction has 1397 states and 1625 transitions. [2018-12-02 12:39:20,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 12:39:20,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1625 transitions. [2018-12-02 12:39:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 12:39:20,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:39:20,132 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:39:20,132 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:39:20,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:39:20,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1629712119, now seen corresponding path program 1 times [2018-12-02 12:39:20,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:39:20,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:39:20,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:20,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:39:20,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:39:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:39:20,205 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 12:39:20,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:39:20,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 12:39:20,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 12:39:20,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 12:39:20,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 12:39:20,206 INFO L87 Difference]: Start difference. First operand 1397 states and 1625 transitions. Second operand 9 states. [2018-12-02 12:39:20,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:39:20,247 INFO L93 Difference]: Finished difference Result 1783 states and 2075 transitions. [2018-12-02 12:39:20,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 12:39:20,247 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-02 12:39:20,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:39:20,248 INFO L225 Difference]: With dead ends: 1783 [2018-12-02 12:39:20,248 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 12:39:20,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 12:39:20,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 12:39:20,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 12:39:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 12:39:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 12:39:20,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-02 12:39:20,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:39:20,251 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 12:39:20,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 12:39:20,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 12:39:20,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 12:39:20,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 12:39:20,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:39:20,940 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2018-12-02 12:39:21,782 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2018-12-02 12:39:22,120 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-12-02 12:39:22,120 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-12-02 12:39:22,120 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-12-02 12:39:22,120 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-12-02 12:39:22,120 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-12-02 12:39:22,120 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:39:22,120 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-12-02 12:39:22,120 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:39:22,120 INFO L444 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:39:22,121 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-12-02 12:39:22,121 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-12-02 12:39:22,121 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-12-02 12:39:22,121 INFO L448 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-12-02 12:39:22,121 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:39:22,121 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:39:22,121 INFO L444 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:39:22,121 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-12-02 12:39:22,121 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-12-02 12:39:22,121 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-12-02 12:39:22,121 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-12-02 12:39:22,121 INFO L451 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-12-02 12:39:22,121 INFO L448 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L448 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-12-02 12:39:22,122 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-12-02 12:39:22,122 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:39:22,122 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L448 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-12-02 12:39:22,122 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-12-02 12:39:22,122 INFO L451 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-12-02 12:39:22,123 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,123 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-12-02 12:39:22,123 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-12-02 12:39:22,123 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-12-02 12:39:22,123 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-12-02 12:39:22,123 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-12-02 12:39:22,123 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-12-02 12:39:22,123 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-12-02 12:39:22,123 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 (not (= ~waterLevel~0 1)) .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3) (or (or (< ~waterLevel~0 2) .cse3 .cse5) .cse4))) [2018-12-02 12:39:22,123 INFO L448 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-12-02 12:39:22,123 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-02 12:39:22,123 INFO L444 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 12:39:22,124 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,124 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-12-02 12:39:22,124 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,124 INFO L448 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-12-02 12:39:22,124 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-12-02 12:39:22,124 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-12-02 12:39:22,124 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-12-02 12:39:22,124 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:39:22,124 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-12-02 12:39:22,124 INFO L444 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:39:22,124 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-12-02 12:39:22,124 INFO L444 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 12:39:22,125 INFO L448 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-12-02 12:39:22,125 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-12-02 12:39:22,125 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 12:39:22,125 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-12-02 12:39:22,125 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-12-02 12:39:22,125 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 12:39:22,125 INFO L444 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 12:39:22,125 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-12-02 12:39:22,125 INFO L448 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-12-02 12:39:22,125 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-12-02 12:39:22,125 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 12:39:22,126 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-12-02 12:39:22,126 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 12:39:22,126 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L444 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,126 INFO L448 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L448 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-12-02 12:39:22,126 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,127 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,127 INFO L448 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-12-02 12:39:22,127 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-12-02 12:39:22,127 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-12-02 12:39:22,127 INFO L451 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-12-02 12:39:22,127 INFO L448 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-12-02 12:39:22,127 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-12-02 12:39:22,127 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-12-02 12:39:22,127 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-12-02 12:39:22,127 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 (or (< ~waterLevel~0 2) .cse2 .cse3)) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1) .cse2))) [2018-12-02 12:39:22,127 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-12-02 12:39:22,127 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-12-02 12:39:22,127 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-12-02 12:39:22,127 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-12-02 12:39:22,128 INFO L451 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-12-02 12:39:22,128 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-12-02 12:39:22,128 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-12-02 12:39:22,128 INFO L451 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-12-02 12:39:22,128 INFO L448 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-12-02 12:39:22,128 INFO L451 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2018-12-02 12:39:22,128 INFO L451 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-12-02 12:39:22,128 INFO L448 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-12-02 12:39:22,128 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse7))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or (or .cse4 .cse3 .cse5) .cse6) (or .cse1 (and .cse2 .cse7) .cse3 .cse8 .cse5) (or (or .cse1 .cse4 .cse3 .cse5) .cse2) (or .cse0 .cse1 .cse7 .cse3 .cse8) (or (or .cse0 .cse4 .cse3) .cse6)))) [2018-12-02 12:39:22,128 INFO L444 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~systemActive~0 1))) (let ((.cse0 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse9 .cse10)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse10)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse0 (< |old(~waterLevel~0)| 1) .cse4 .cse5) (or .cse8 .cse7 .cse6 .cse4 (not (= |old(~waterLevel~0)| 1))) (or (and .cse1 .cse9) (or .cse8 .cse3 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2))))) [2018-12-02 12:39:22,128 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse0 .cse3 .cse6) (or .cse5 .cse0 .cse3 .cse6 .cse4))) [2018-12-02 12:39:22,129 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse4))) [2018-12-02 12:39:22,129 INFO L448 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-12-02 12:39:22,129 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-12-02 12:39:22,129 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-12-02 12:39:22,129 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-12-02 12:39:22,129 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-12-02 12:39:22,129 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-12-02 12:39:22,129 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,129 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-12-02 12:39:22,129 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-12-02 12:39:22,129 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-12-02 12:39:22,129 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-12-02 12:39:22,129 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 12:39:22,130 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-02 12:39:22,130 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 12:39:22,130 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 12:39:22,130 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-02 12:39:22,130 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-12-02 12:39:22,130 INFO L444 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,130 INFO L448 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-12-02 12:39:22,130 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 12:39:22,130 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,130 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-12-02 12:39:22,130 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-02 12:39:22,131 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-02 12:39:22,131 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-12-02 12:39:22,131 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-12-02 12:39:22,131 INFO L448 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-12-02 12:39:22,131 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (or .cse1 .cse3)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse2 .cse3 .cse5) (or .cse2 .cse6 (< |old(~waterLevel~0)| 1) .cse5) (or .cse0 .cse6 .cse4 .cse2)))) [2018-12-02 12:39:22,131 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-12-02 12:39:22,131 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-12-02 12:39:22,131 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-12-02 12:39:22,131 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-12-02 12:39:22,131 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-12-02 12:39:22,131 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 12:39:22,131 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-12-02 12:39:22,132 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-12-02 12:39:22,132 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-12-02 12:39:22,132 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-12-02 12:39:22,132 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-12-02 12:39:22,132 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-12-02 12:39:22,132 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-12-02 12:39:22,132 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-12-02 12:39:22,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:39:22 BoogieIcfgContainer [2018-12-02 12:39:22,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 12:39:22,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:39:22,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:39:22,142 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:39:22,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:15" (3/4) ... [2018-12-02 12:39:22,145 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 12:39:22,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 12:39:22,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 12:39:22,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 12:39:22,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 12:39:22,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 12:39:22,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 12:39:22,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 12:39:22,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 12:39:22,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 12:39:22,151 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 12:39:22,151 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-02 12:39:22,155 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 12:39:22,155 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 12:39:22,155 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 12:39:22,155 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 12:39:22,156 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 12:39:22,156 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 12:39:22,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 12:39:22,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 12:39:22,194 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4a4649d6-e4bc-4968-8c13-0929fe787a2b/bin-2019/uautomizer/witness.graphml [2018-12-02 12:39:22,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:39:22,194 INFO L168 Benchmark]: Toolchain (without parser) took 6941.69 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 365.4 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -65.0 MB). Peak memory consumption was 300.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:39:22,195 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:39:22,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-02 12:39:22,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:39:22,195 INFO L168 Benchmark]: Boogie Preprocessor took 23.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:39:22,195 INFO L168 Benchmark]: RCFGBuilder took 364.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2018-12-02 12:39:22,195 INFO L168 Benchmark]: TraceAbstraction took 6189.38 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 422.6 MB. Max. memory is 11.5 GB. [2018-12-02 12:39:22,195 INFO L168 Benchmark]: Witness Printer took 51.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:39:22,196 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 364.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6189.38 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 422.6 MB. Max. memory is 11.5 GB. * Witness Printer took 51.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2149 SDtfs, 1787 SDslu, 6669 SDs, 0 SdLazy, 3692 SolverSat, 708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 413 GetRequests, 301 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1397occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 312 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1979 PreInvPairs, 2048 NumberOfFragments, 1918 HoareAnnotationTreeSize, 1979 FomulaSimplifications, 5671 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 7049 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1331 NumberOfCodeBlocks, 1331 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1317 ConstructedInterpolants, 0 QuantifiedInterpolants, 238300 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1597 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 111/117 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...