./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/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 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 16:08:50,649 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:08:50,650 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:08:50,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:08:50,656 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:08:50,656 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:08:50,657 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:08:50,658 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:08:50,659 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:08:50,660 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:08:50,661 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:08:50,661 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:08:50,661 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:08:50,662 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:08:50,663 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:08:50,663 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:08:50,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:08:50,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:08:50,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:08:50,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:08:50,667 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:08:50,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:08:50,669 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:08:50,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:08:50,669 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:08:50,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:08:50,670 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:08:50,671 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:08:50,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:08:50,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:08:50,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:08:50,672 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:08:50,672 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:08:50,672 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:08:50,673 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:08:50,673 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:08:50,673 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 16:08:50,680 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:08:50,680 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:08:50,681 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:08:50,681 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:08:50,682 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 16:08:50,682 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 16:08:50,682 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 16:08:50,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:08:50,682 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:08:50,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:08:50,682 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:08:50,683 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:08:50,683 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:08:50,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:08:50,683 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:08:50,683 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:08:50,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:08:50,683 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:08:50,683 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:08:50,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:08:50,684 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:08:50,684 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:08:50,684 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:08:50,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:08:50,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:08:50,684 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:08:50,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:08:50,685 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 16:08:50,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:08:50,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:08:50,685 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_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2018-11-23 16:08:50,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:08:50,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:08:50,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:08:50,720 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:08:50,720 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:08:50,721 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-23 16:08:50,760 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/data/b684b0ecd/bd37715e30b94780b6e8e63d3d9b31a1/FLAG6e321d107 [2018-11-23 16:08:51,188 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:08:51,188 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-23 16:08:51,195 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/data/b684b0ecd/bd37715e30b94780b6e8e63d3d9b31a1/FLAG6e321d107 [2018-11-23 16:08:51,207 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/data/b684b0ecd/bd37715e30b94780b6e8e63d3d9b31a1 [2018-11-23 16:08:51,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:08:51,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:08:51,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:08:51,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:08:51,214 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:08:51,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51, skipping insertion in model container [2018-11-23 16:08:51,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:08:51,259 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:08:51,449 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:08:51,459 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:08:51,563 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:08:51,586 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:08:51,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51 WrapperNode [2018-11-23 16:08:51,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:08:51,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:08:51,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:08:51,587 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:08:51,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:08:51,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:08:51,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:08:51,615 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:08:51,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... [2018-11-23 16:08:51,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:08:51,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:08:51,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:08:51,646 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:08:51,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/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 [2018-11-23 16:08:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 16:08:51,693 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 16:08:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:08:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:08:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 16:08:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 16:08:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 16:08:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 16:08:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 16:08:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 16:08:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 16:08:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 16:08:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 16:08:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 16:08:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 16:08:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 16:08:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 16:08:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 16:08:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 16:08:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 16:08:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 16:08:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 16:08:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 16:08:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 16:08:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 16:08:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 16:08:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 16:08:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 16:08:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 16:08:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 16:08:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 16:08:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 16:08:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 16:08:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:08:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:08:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 16:08:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 16:08:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 16:08:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 16:08:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 16:08:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 16:08:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 16:08:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 16:08:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 16:08:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 16:08:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 16:08:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 16:08:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 16:08:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 16:08:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 16:08:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:08:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:08:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 16:08:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 16:08:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 16:08:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 16:08:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:08:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:08:52,144 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:08:52,144 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 16:08:52,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:52 BoogieIcfgContainer [2018-11-23 16:08:52,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:08:52,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:08:52,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:08:52,148 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:08:52,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:08:51" (1/3) ... [2018-11-23 16:08:52,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1ce7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:52, skipping insertion in model container [2018-11-23 16:08:52,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51" (2/3) ... [2018-11-23 16:08:52,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1ce7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:52, skipping insertion in model container [2018-11-23 16:08:52,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:52" (3/3) ... [2018-11-23 16:08:52,151 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-23 16:08:52,156 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:08:52,162 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:08:52,171 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:08:52,192 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 16:08:52,192 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:08:52,192 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:08:52,193 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:08:52,193 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:08:52,193 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:08:52,193 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:08:52,193 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:08:52,193 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:08:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-23 16:08:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 16:08:52,214 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:52,214 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] [2018-11-23 16:08:52,216 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:52,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:52,220 INFO L82 PathProgramCache]: Analyzing trace with hash 260930450, now seen corresponding path program 1 times [2018-11-23 16:08:52,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:52,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:52,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:52,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:52,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:52,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:52,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 16:08:52,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 16:08:52,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 16:08:52,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:08:52,413 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-23 16:08:52,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:52,441 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-11-23 16:08:52,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 16:08:52,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 16:08:52,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:52,451 INFO L225 Difference]: With dead ends: 260 [2018-11-23 16:08:52,451 INFO L226 Difference]: Without dead ends: 132 [2018-11-23 16:08:52,454 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 [2018-11-23 16:08:52,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-23 16:08:52,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-23 16:08:52,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-23 16:08:52,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-11-23 16:08:52,491 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2018-11-23 16:08:52,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:52,492 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-11-23 16:08:52,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 16:08:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-11-23 16:08:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 16:08:52,495 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:52,495 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:08:52,495 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:52,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:52,495 INFO L82 PathProgramCache]: Analyzing trace with hash -5097234, now seen corresponding path program 1 times [2018-11-23 16:08:52,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:52,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:52,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:52,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:52,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:52,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:52,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:52,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:08:52,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:08:52,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:08:52,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:08:52,576 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-11-23 16:08:52,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:52,593 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2018-11-23 16:08:52,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:08:52,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 16:08:52,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:52,596 INFO L225 Difference]: With dead ends: 205 [2018-11-23 16:08:52,596 INFO L226 Difference]: Without dead ends: 123 [2018-11-23 16:08:52,597 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 [2018-11-23 16:08:52,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-23 16:08:52,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-23 16:08:52,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-23 16:08:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-11-23 16:08:52,608 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2018-11-23 16:08:52,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:52,609 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-11-23 16:08:52,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:08:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-11-23 16:08:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 16:08:52,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:52,612 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] [2018-11-23 16:08:52,612 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:52,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:52,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1184972056, now seen corresponding path program 1 times [2018-11-23 16:08:52,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:52,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:52,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:52,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:52,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:52,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:52,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:08:52,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:08:52,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:08:52,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:08:52,716 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-11-23 16:08:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:52,964 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2018-11-23 16:08:52,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:08:52,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 16:08:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:52,966 INFO L225 Difference]: With dead ends: 218 [2018-11-23 16:08:52,966 INFO L226 Difference]: Without dead ends: 123 [2018-11-23 16:08:52,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 16:08:52,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-23 16:08:52,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-23 16:08:52,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-23 16:08:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-11-23 16:08:52,977 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2018-11-23 16:08:52,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:52,978 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-11-23 16:08:52,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:08:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-11-23 16:08:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 16:08:52,980 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:52,980 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:08:52,980 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:52,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:52,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1851907157, now seen corresponding path program 1 times [2018-11-23 16:08:52,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:52,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:52,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:52,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:52,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:53,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:53,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:53,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 16:08:53,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 16:08:53,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 16:08:53,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 16:08:53,072 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 5 states. [2018-11-23 16:08:53,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:53,359 INFO L93 Difference]: Finished difference Result 319 states and 387 transitions. [2018-11-23 16:08:53,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:08:53,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 16:08:53,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:53,361 INFO L225 Difference]: With dead ends: 319 [2018-11-23 16:08:53,362 INFO L226 Difference]: Without dead ends: 224 [2018-11-23 16:08:53,363 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 [2018-11-23 16:08:53,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-11-23 16:08:53,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 205. [2018-11-23 16:08:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-23 16:08:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2018-11-23 16:08:53,383 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2018-11-23 16:08:53,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:53,384 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2018-11-23 16:08:53,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 16:08:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2018-11-23 16:08:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 16:08:53,396 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:53,397 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:08:53,398 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:53,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:53,399 INFO L82 PathProgramCache]: Analyzing trace with hash 127778148, now seen corresponding path program 1 times [2018-11-23 16:08:53,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:53,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:53,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:53,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:53,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:53,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:53,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:08:53,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:08:53,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:08:53,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:08:53,471 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 6 states. [2018-11-23 16:08:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:53,577 INFO L93 Difference]: Finished difference Result 541 states and 641 transitions. [2018-11-23 16:08:53,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:08:53,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 16:08:53,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:53,583 INFO L225 Difference]: With dead ends: 541 [2018-11-23 16:08:53,583 INFO L226 Difference]: Without dead ends: 364 [2018-11-23 16:08:53,584 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 [2018-11-23 16:08:53,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-23 16:08:53,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2018-11-23 16:08:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-11-23 16:08:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2018-11-23 16:08:53,609 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2018-11-23 16:08:53,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:53,609 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2018-11-23 16:08:53,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:08:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2018-11-23 16:08:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 16:08:53,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:53,611 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:08:53,611 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:53,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:53,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1375705536, now seen corresponding path program 1 times [2018-11-23 16:08:53,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:53,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:53,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:53,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:53,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:53,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:53,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:08:53,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:08:53,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:08:53,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:08:53,692 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 7 states. [2018-11-23 16:08:54,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:54,031 INFO L93 Difference]: Finished difference Result 719 states and 848 transitions. [2018-11-23 16:08:54,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 16:08:54,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-23 16:08:54,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:54,035 INFO L225 Difference]: With dead ends: 719 [2018-11-23 16:08:54,036 INFO L226 Difference]: Without dead ends: 389 [2018-11-23 16:08:54,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 16:08:54,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-11-23 16:08:54,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2018-11-23 16:08:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-11-23 16:08:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2018-11-23 16:08:54,058 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2018-11-23 16:08:54,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:54,059 INFO L480 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2018-11-23 16:08:54,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:08:54,059 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2018-11-23 16:08:54,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 16:08:54,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:54,061 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:08:54,061 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:54,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:54,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1659091839, now seen corresponding path program 1 times [2018-11-23 16:08:54,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:54,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:54,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:54,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:54,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:54,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:08:54,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:08:54,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:08:54,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:08:54,128 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 6 states. [2018-11-23 16:08:54,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:54,153 INFO L93 Difference]: Finished difference Result 696 states and 806 transitions. [2018-11-23 16:08:54,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:08:54,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 16:08:54,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:54,156 INFO L225 Difference]: With dead ends: 696 [2018-11-23 16:08:54,156 INFO L226 Difference]: Without dead ends: 367 [2018-11-23 16:08:54,157 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 [2018-11-23 16:08:54,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-11-23 16:08:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-11-23 16:08:54,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-23 16:08:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-11-23 16:08:54,172 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2018-11-23 16:08:54,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:54,172 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-11-23 16:08:54,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:08:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-11-23 16:08:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 16:08:54,173 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:54,173 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:08:54,174 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:54,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:54,174 INFO L82 PathProgramCache]: Analyzing trace with hash -957491965, now seen corresponding path program 1 times [2018-11-23 16:08:54,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:54,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:54,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:54,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:54,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:54,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 16:08:54,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 16:08:54,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 16:08:54,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:08:54,237 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 8 states. [2018-11-23 16:08:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:54,263 INFO L93 Difference]: Finished difference Result 720 states and 840 transitions. [2018-11-23 16:08:54,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:08:54,264 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-23 16:08:54,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:54,266 INFO L225 Difference]: With dead ends: 720 [2018-11-23 16:08:54,266 INFO L226 Difference]: Without dead ends: 381 [2018-11-23 16:08:54,267 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 [2018-11-23 16:08:54,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-23 16:08:54,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2018-11-23 16:08:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-11-23 16:08:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2018-11-23 16:08:54,280 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2018-11-23 16:08:54,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:54,281 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2018-11-23 16:08:54,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 16:08:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2018-11-23 16:08:54,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 16:08:54,282 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:54,282 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:08:54,282 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:54,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:54,283 INFO L82 PathProgramCache]: Analyzing trace with hash 767988932, now seen corresponding path program 1 times [2018-11-23 16:08:54,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:54,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:54,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:54,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:54,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:54,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 16:08:54,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 16:08:54,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 16:08:54,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 16:08:54,338 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 4 states. [2018-11-23 16:08:54,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:54,456 INFO L93 Difference]: Finished difference Result 1132 states and 1352 transitions. [2018-11-23 16:08:54,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 16:08:54,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-23 16:08:54,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:54,460 INFO L225 Difference]: With dead ends: 1132 [2018-11-23 16:08:54,460 INFO L226 Difference]: Without dead ends: 785 [2018-11-23 16:08:54,461 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 [2018-11-23 16:08:54,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-11-23 16:08:54,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 507. [2018-11-23 16:08:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-11-23 16:08:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2018-11-23 16:08:54,487 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 89 [2018-11-23 16:08:54,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:54,488 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2018-11-23 16:08:54,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 16:08:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2018-11-23 16:08:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 16:08:54,489 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:54,490 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:08:54,490 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:54,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:54,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1891514934, now seen corresponding path program 1 times [2018-11-23 16:08:54,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:54,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:54,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:54,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:54,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:54,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:08:54,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:08:54,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:08:54,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:08:54,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:08:54,534 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 3 states. [2018-11-23 16:08:54,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:54,572 INFO L93 Difference]: Finished difference Result 776 states and 888 transitions. [2018-11-23 16:08:54,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:08:54,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-23 16:08:54,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:54,575 INFO L225 Difference]: With dead ends: 776 [2018-11-23 16:08:54,575 INFO L226 Difference]: Without dead ends: 773 [2018-11-23 16:08:54,576 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:08:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-11-23 16:08:54,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 647. [2018-11-23 16:08:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2018-11-23 16:08:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 738 transitions. [2018-11-23 16:08:54,601 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 738 transitions. Word has length 93 [2018-11-23 16:08:54,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:54,602 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 738 transitions. [2018-11-23 16:08:54,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:08:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 738 transitions. [2018-11-23 16:08:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 16:08:54,604 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:54,604 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, 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] [2018-11-23 16:08:54,604 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:54,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:54,605 INFO L82 PathProgramCache]: Analyzing trace with hash -891413890, now seen corresponding path program 1 times [2018-11-23 16:08:54,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:54,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:54,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:54,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:54,712 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 16:08:54,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:08:54,712 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/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 [2018-11-23 16:08:54,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:54,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:08:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 16:08:54,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:08:54,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 16:08:54,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 16:08:54,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 16:08:54,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 16:08:54,962 INFO L87 Difference]: Start difference. First operand 647 states and 738 transitions. Second operand 19 states. [2018-11-23 16:08:55,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:55,716 INFO L93 Difference]: Finished difference Result 1203 states and 1382 transitions. [2018-11-23 16:08:55,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 16:08:55,717 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2018-11-23 16:08:55,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:55,719 INFO L225 Difference]: With dead ends: 1203 [2018-11-23 16:08:55,719 INFO L226 Difference]: Without dead ends: 584 [2018-11-23 16:08:55,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 16:08:55,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2018-11-23 16:08:55,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 555. [2018-11-23 16:08:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-11-23 16:08:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 623 transitions. [2018-11-23 16:08:55,755 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 623 transitions. Word has length 152 [2018-11-23 16:08:55,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:55,755 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 623 transitions. [2018-11-23 16:08:55,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 16:08:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 623 transitions. [2018-11-23 16:08:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 16:08:55,757 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:08:55,757 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 16:08:55,758 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:08:55,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:08:55,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1898100891, now seen corresponding path program 1 times [2018-11-23 16:08:55,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:08:55,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:08:55,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:55,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:55,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:08:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 16:08:55,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:08:55,837 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/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 [2018-11-23 16:08:55,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:08:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:08:55,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:08:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:08:56,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:08:56,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-23 16:08:56,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 16:08:56,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 16:08:56,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:08:56,015 INFO L87 Difference]: Start difference. First operand 555 states and 623 transitions. Second operand 8 states. [2018-11-23 16:08:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:08:56,111 INFO L93 Difference]: Finished difference Result 891 states and 1009 transitions. [2018-11-23 16:08:56,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:08:56,112 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-11-23 16:08:56,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:08:56,113 INFO L225 Difference]: With dead ends: 891 [2018-11-23 16:08:56,113 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 16:08:56,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:08:56,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 16:08:56,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 16:08:56,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 16:08:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 16:08:56,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-11-23 16:08:56,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:08:56,117 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 16:08:56,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 16:08:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 16:08:56,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:08:56,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 16:08:56,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:08:56,571 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2018-11-23 16:08:57,264 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-11-23 16:08:57,971 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2018-11-23 16:08:58,453 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2018-11-23 16:08:58,453 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2018-11-23 16:08:58,453 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-23 16:08:58,453 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2018-11-23 16:08:58,453 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-23 16:08:58,453 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,453 INFO L444 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,453 INFO L444 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,454 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2018-11-23 16:08:58,454 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2018-11-23 16:08:58,454 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 16:08:58,454 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2018-11-23 16:08:58,454 INFO L444 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,454 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,454 INFO L444 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,454 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2018-11-23 16:08:58,454 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2018-11-23 16:08:58,454 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2018-11-23 16:08:58,455 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2018-11-23 16:08:58,455 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2018-11-23 16:08:58,455 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2018-11-23 16:08:58,455 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,455 INFO L444 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,455 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2018-11-23 16:08:58,455 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2018-11-23 16:08:58,455 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2018-11-23 16:08:58,455 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2018-11-23 16:08:58,455 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2018-11-23 16:08:58,455 INFO L451 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2018-11-23 16:08:58,455 INFO L448 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2018-11-23 16:08:58,456 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (or (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1))) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 16:08:58,456 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2018-11-23 16:08:58,456 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2018-11-23 16:08:58,456 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-11-23 16:08:58,456 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2018-11-23 16:08:58,456 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2018-11-23 16:08:58,456 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2018-11-23 16:08:58,456 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3) .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-11-23 16:08:58,456 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2018-11-23 16:08:58,456 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2018-11-23 16:08:58,456 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or (or .cse0 .cse5) .cse4 .cse2)))) [2018-11-23 16:08:58,457 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 .cse4 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (or .cse0 .cse3) .cse2) (or .cse1 .cse4)))) [2018-11-23 16:08:58,457 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1) .cse2) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-11-23 16:08:58,457 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2018-11-23 16:08:58,457 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or (or .cse0 .cse5) .cse4 .cse3)))) [2018-11-23 16:08:58,457 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-11-23 16:08:58,457 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-11-23 16:08:58,457 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2018-11-23 16:08:58,457 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2018-11-23 16:08:58,457 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,457 INFO L444 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-23 16:08:58,457 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-23 16:08:58,457 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2018-11-23 16:08:58,457 INFO L448 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2018-11-23 16:08:58,457 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2018-11-23 16:08:58,457 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2018-11-23 16:08:58,457 INFO L444 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:08:58,457 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-11-23 16:08:58,457 INFO L444 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-11-23 16:08:58,458 INFO L448 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2018-11-23 16:08:58,458 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-11-23 16:08:58,458 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2018-11-23 16:08:58,458 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-23 16:08:58,458 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2018-11-23 16:08:58,458 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2018-11-23 16:08:58,458 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2018-11-23 16:08:58,458 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-11-23 16:08:58,458 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-23 16:08:58,458 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-11-23 16:08:58,458 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-11-23 16:08:58,459 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2018-11-23 16:08:58,459 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-11-23 16:08:58,459 INFO L448 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-11-23 16:08:58,459 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2018-11-23 16:08:58,459 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2018-11-23 16:08:58,459 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2018-11-23 16:08:58,459 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-23 16:08:58,459 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:08:58,460 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2018-11-23 16:08:58,460 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2018-11-23 16:08:58,460 INFO L451 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2018-11-23 16:08:58,460 INFO L448 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2018-11-23 16:08:58,461 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2018-11-23 16:08:58,461 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2018-11-23 16:08:58,461 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or (or .cse0 .cse6) .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-11-23 16:08:58,461 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2018-11-23 16:08:58,461 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2018-11-23 16:08:58,461 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2018-11-23 16:08:58,461 INFO L448 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-11-23 16:08:58,461 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2018-11-23 16:08:58,461 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-11-23 16:08:58,461 INFO L451 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2018-11-23 16:08:58,461 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 16:08:58,461 INFO L451 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2018-11-23 16:08:58,461 INFO L451 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2018-11-23 16:08:58,461 INFO L448 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2018-11-23 16:08:58,461 INFO L451 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2018-11-23 16:08:58,461 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-11-23 16:08:58,462 INFO L444 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (or .cse10 .cse1)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and (= 1 ~waterLevel~0) .cse9))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 (and .cse6 .cse7) .cse8 .cse4) (or .cse0 .cse3 .cse5 (and .cse6 .cse7 .cse9) .cse8) (or .cse10 .cse11 .cse1 .cse12 .cse8 .cse4) (or .cse0 .cse10 .cse1 .cse12 .cse8 .cse11)))) [2018-11-23 16:08:58,462 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 .cse4 .cse5)))) [2018-11-23 16:08:58,462 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2018-11-23 16:08:58,462 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2018-11-23 16:08:58,462 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2018-11-23 16:08:58,462 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:08:58,462 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) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 16:08:58,462 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:08:58,462 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse4 (not (= |old(~systemActive~0)| 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse4 .cse5 .cse1)))) [2018-11-23 16:08:58,463 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 16:08:58,463 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 16:08:58,463 INFO L448 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1)))) [2018-11-23 16:08:58,463 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 16:08:58,463 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 16:08:58,463 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-11-23 16:08:58,463 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 16:08:58,463 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 16:08:58,464 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 16:08:58,464 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 16:08:58,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:08:58 BoogieIcfgContainer [2018-11-23 16:08:58,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 16:08:58,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:08:58,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:08:58,476 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:08:58,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:52" (3/4) ... [2018-11-23 16:08:58,479 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:08:58,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 16:08:58,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 16:08:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 16:08:58,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 16:08:58,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:08:58,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 16:08:58,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 16:08:58,495 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 16:08:58,495 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 16:08:58,495 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 16:08:58,496 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 16:08:58,496 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 16:08:58,496 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:08:58,497 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:08:58,517 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-11-23 16:08:58,517 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 16:08:58,549 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_316c5dd0-b72a-4004-9bb5-83e5c6ae7ace/bin-2019/uautomizer/witness.graphml [2018-11-23 16:08:58,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:08:58,550 INFO L168 Benchmark]: Toolchain (without parser) took 7340.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.8 MB). Free memory was 955.5 MB in the beginning and 917.0 MB in the end (delta: 38.5 MB). Peak memory consumption was 272.4 MB. Max. memory is 11.5 GB. [2018-11-23 16:08:58,551 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:08:58,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 16:08:58,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:08:58,551 INFO L168 Benchmark]: Boogie Preprocessor took 29.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:08:58,552 INFO L168 Benchmark]: RCFGBuilder took 500.13 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-23 16:08:58,552 INFO L168 Benchmark]: TraceAbstraction took 6329.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 117.4 MB). Free memory was 1.0 GB in the beginning and 925.0 MB in the end (delta: 122.7 MB). Peak memory consumption was 342.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:08:58,552 INFO L168 Benchmark]: Witness Printer took 74.12 ms. Allocated memory is still 1.3 GB. Free memory was 925.0 MB in the beginning and 917.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 16:08:58,554 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 500.13 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6329.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 117.4 MB). Free memory was 1.0 GB in the beginning and 925.0 MB in the end (delta: 122.7 MB). Peak memory consumption was 342.3 MB. Max. memory is 11.5 GB. * Witness Printer took 74.12 ms. Allocated memory is still 1.3 GB. Free memory was 925.0 MB in the beginning and 917.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 6.2s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1970 SDtfs, 1213 SDslu, 5735 SDs, 0 SdLazy, 2001 SolverSat, 275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 352 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=10, 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, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1349 PreInvPairs, 1406 NumberOfFragments, 2490 HoareAnnotationTreeSize, 1349 FomulaSimplifications, 5804 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7440 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 253346 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1802 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 186/194 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...