./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_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_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f4b0de905917a1846797fc2994ae6377b8a6114 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:32:59,638 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:32:59,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:32:59,645 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:32:59,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:32:59,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:32:59,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:32:59,648 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:32:59,649 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:32:59,650 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:32:59,651 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:32:59,651 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:32:59,651 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:32:59,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:32:59,653 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:32:59,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:32:59,654 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:32:59,655 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:32:59,656 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:32:59,657 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:32:59,658 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:32:59,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:32:59,660 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:32:59,661 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:32:59,661 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:32:59,662 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:32:59,662 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:32:59,663 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:32:59,663 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:32:59,664 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:32:59,664 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:32:59,664 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:32:59,665 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:32:59,665 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:32:59,665 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:32:59,666 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:32:59,666 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:32:59,673 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:32:59,673 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:32:59,674 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:32:59,674 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:32:59,674 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:32:59,674 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:32:59,674 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:32:59,674 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:32:59,674 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:32:59,674 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:32:59,674 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:32:59,674 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:32:59,674 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:32:59,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:32:59,675 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:32:59,675 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:32:59,675 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:32:59,675 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:32:59,675 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:32:59,675 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:32:59,675 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:32:59,676 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:32:59,676 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:32:59,676 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:32:59,676 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:32:59,676 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:32:59,676 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:32:59,676 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:32:59,676 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:32:59,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:32:59,677 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:32:59,677 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:32:59,677 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:32:59,677 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:32:59,677 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:32:59,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:32:59,677 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:32:59,677 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2018-11-22 22:32:59,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:32:59,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:32:59,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:32:59,711 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:32:59,711 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:32:59,712 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-11-22 22:32:59,748 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/data/0ad94e7f3/9dc2052ae71646a7833bfb793307fb66/FLAG9a764f2e8 [2018-11-22 22:33:00,170 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:33:00,170 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-11-22 22:33:00,177 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/data/0ad94e7f3/9dc2052ae71646a7833bfb793307fb66/FLAG9a764f2e8 [2018-11-22 22:33:00,188 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/data/0ad94e7f3/9dc2052ae71646a7833bfb793307fb66 [2018-11-22 22:33:00,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:33:00,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:33:00,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:33:00,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:33:00,194 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:33:00,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00, skipping insertion in model container [2018-11-22 22:33:00,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:33:00,233 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:33:00,427 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:33:00,436 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:33:00,538 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:33:00,557 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:33:00,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00 WrapperNode [2018-11-22 22:33:00,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:33:00,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:33:00,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:33:00,558 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:33:00,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:33:00,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:33:00,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:33:00,584 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:33:00,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:33:00,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:33:00,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:33:00,616 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:33:00,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:33:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 22:33:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 22:33:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:33:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:33:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 22:33:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 22:33:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:33:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 22:33:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 22:33:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 22:33:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 22:33:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 22:33:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 22:33:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 22:33:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 22:33:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 22:33:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 22:33:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 22:33:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 22:33:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-22 22:33:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-22 22:33:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-22 22:33:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-22 22:33:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 22:33:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 22:33:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 22:33:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 22:33:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 22:33:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 22:33:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 22:33:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 22:33:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 22:33:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 22:33:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 22:33:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 22:33:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:33:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:33:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-22 22:33:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-22 22:33:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 22:33:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 22:33:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 22:33:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 22:33:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 22:33:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 22:33:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 22:33:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 22:33:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 22:33:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 22:33:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 22:33:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 22:33:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 22:33:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 22:33:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 22:33:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 22:33:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:33:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:33:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:33:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 22:33:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 22:33:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 22:33:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 22:33:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:33:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:33:01,129 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:33:01,129 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 22:33:01,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:33:01 BoogieIcfgContainer [2018-11-22 22:33:01,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:33:01,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:33:01,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:33:01,134 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:33:01,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:33:00" (1/3) ... [2018-11-22 22:33:01,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfc57bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:33:01, skipping insertion in model container [2018-11-22 22:33:01,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (2/3) ... [2018-11-22 22:33:01,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfc57bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:33:01, skipping insertion in model container [2018-11-22 22:33:01,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:33:01" (3/3) ... [2018-11-22 22:33:01,137 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-11-22 22:33:01,145 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:33:01,152 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:33:01,166 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:33:01,193 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:33:01,193 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:33:01,193 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:33:01,193 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:33:01,193 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:33:01,193 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:33:01,193 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:33:01,193 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:33:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-11-22 22:33:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 22:33:01,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:01,220 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] [2018-11-22 22:33:01,222 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:01,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:01,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1250052594, now seen corresponding path program 1 times [2018-11-22 22:33:01,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:01,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:01,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:01,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:01,271 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:01,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:01,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:33:01,423 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:01,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:33:01,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:33:01,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:33:01,440 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-11-22 22:33:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:01,474 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2018-11-22 22:33:01,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:33:01,475 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-22 22:33:01,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:01,485 INFO L225 Difference]: With dead ends: 300 [2018-11-22 22:33:01,485 INFO L226 Difference]: Without dead ends: 152 [2018-11-22 22:33:01,488 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 [2018-11-22 22:33:01,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-22 22:33:01,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-22 22:33:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-22 22:33:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2018-11-22 22:33:01,533 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2018-11-22 22:33:01,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:01,534 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2018-11-22 22:33:01,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:33:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2018-11-22 22:33:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 22:33:01,537 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:01,537 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] [2018-11-22 22:33:01,537 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:01,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:01,538 INFO L82 PathProgramCache]: Analyzing trace with hash -269928811, now seen corresponding path program 1 times [2018-11-22 22:33:01,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:01,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:01,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:01,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:01,539 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:01,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:01,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:33:01,615 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:01,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:33:01,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:33:01,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:33:01,617 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2018-11-22 22:33:01,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:01,636 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2018-11-22 22:33:01,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:33:01,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-22 22:33:01,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:01,638 INFO L225 Difference]: With dead ends: 245 [2018-11-22 22:33:01,638 INFO L226 Difference]: Without dead ends: 143 [2018-11-22 22:33:01,639 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 [2018-11-22 22:33:01,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-22 22:33:01,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-22 22:33:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-22 22:33:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-11-22 22:33:01,650 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2018-11-22 22:33:01,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:01,650 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-11-22 22:33:01,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:33:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-11-22 22:33:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 22:33:01,652 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:01,652 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] [2018-11-22 22:33:01,652 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:01,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:01,653 INFO L82 PathProgramCache]: Analyzing trace with hash 670016897, now seen corresponding path program 1 times [2018-11-22 22:33:01,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:01,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:01,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:01,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:01,654 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:01,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:01,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:33:01,749 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:01,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:33:01,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:33:01,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:33:01,750 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2018-11-22 22:33:01,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:01,985 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2018-11-22 22:33:01,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:33:01,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-22 22:33:01,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:01,987 INFO L225 Difference]: With dead ends: 258 [2018-11-22 22:33:01,987 INFO L226 Difference]: Without dead ends: 143 [2018-11-22 22:33:01,988 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 [2018-11-22 22:33:01,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-22 22:33:01,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-22 22:33:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-22 22:33:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2018-11-22 22:33:02,000 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2018-11-22 22:33:02,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:02,001 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2018-11-22 22:33:02,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:33:02,001 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2018-11-22 22:33:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-22 22:33:02,003 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:02,003 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] [2018-11-22 22:33:02,003 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:02,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:02,004 INFO L82 PathProgramCache]: Analyzing trace with hash -54842405, now seen corresponding path program 1 times [2018-11-22 22:33:02,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:02,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:02,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:02,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:02,005 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:02,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:02,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:33:02,096 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:02,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:33:02,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:33:02,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:33:02,097 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2018-11-22 22:33:02,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:02,456 INFO L93 Difference]: Finished difference Result 367 states and 447 transitions. [2018-11-22 22:33:02,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 22:33:02,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-22 22:33:02,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:02,458 INFO L225 Difference]: With dead ends: 367 [2018-11-22 22:33:02,458 INFO L226 Difference]: Without dead ends: 252 [2018-11-22 22:33:02,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:33:02,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-11-22 22:33:02,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 233. [2018-11-22 22:33:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-11-22 22:33:02,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2018-11-22 22:33:02,481 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2018-11-22 22:33:02,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:02,482 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2018-11-22 22:33:02,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:33:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2018-11-22 22:33:02,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 22:33:02,485 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:02,485 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] [2018-11-22 22:33:02,486 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:02,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:02,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1190541314, now seen corresponding path program 1 times [2018-11-22 22:33:02,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:02,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:02,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:02,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:02,488 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:02,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:02,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:33:02,576 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:02,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:33:02,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:33:02,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:33:02,577 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 6 states. [2018-11-22 22:33:02,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:02,691 INFO L93 Difference]: Finished difference Result 625 states and 734 transitions. [2018-11-22 22:33:02,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:33:02,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-22 22:33:02,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:02,695 INFO L225 Difference]: With dead ends: 625 [2018-11-22 22:33:02,696 INFO L226 Difference]: Without dead ends: 420 [2018-11-22 22:33:02,697 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 [2018-11-22 22:33:02,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-11-22 22:33:02,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 414. [2018-11-22 22:33:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-11-22 22:33:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2018-11-22 22:33:02,723 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2018-11-22 22:33:02,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:02,723 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2018-11-22 22:33:02,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:33:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2018-11-22 22:33:02,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-22 22:33:02,725 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:02,725 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] [2018-11-22 22:33:02,725 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:02,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:02,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1720134146, now seen corresponding path program 1 times [2018-11-22 22:33:02,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:02,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:02,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:02,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:02,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:02,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:02,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:33:02,815 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:02,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:33:02,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:33:02,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:33:02,815 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 7 states. [2018-11-22 22:33:03,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:03,138 INFO L93 Difference]: Finished difference Result 831 states and 972 transitions. [2018-11-22 22:33:03,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 22:33:03,139 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-22 22:33:03,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:03,141 INFO L225 Difference]: With dead ends: 831 [2018-11-22 22:33:03,141 INFO L226 Difference]: Without dead ends: 445 [2018-11-22 22:33:03,142 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:33:03,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-11-22 22:33:03,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 413. [2018-11-22 22:33:03,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-11-22 22:33:03,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2018-11-22 22:33:03,163 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2018-11-22 22:33:03,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:03,164 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2018-11-22 22:33:03,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:33:03,164 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2018-11-22 22:33:03,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-22 22:33:03,165 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:03,165 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, 1] [2018-11-22 22:33:03,165 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:03,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:03,166 INFO L82 PathProgramCache]: Analyzing trace with hash 32002960, now seen corresponding path program 1 times [2018-11-22 22:33:03,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:03,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:03,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:03,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:03,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:33:03,221 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:03,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:33:03,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:33:03,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:33:03,222 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 6 states. [2018-11-22 22:33:03,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:03,249 INFO L93 Difference]: Finished difference Result 808 states and 932 transitions. [2018-11-22 22:33:03,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:33:03,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-22 22:33:03,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:03,252 INFO L225 Difference]: With dead ends: 808 [2018-11-22 22:33:03,252 INFO L226 Difference]: Without dead ends: 423 [2018-11-22 22:33:03,253 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 [2018-11-22 22:33:03,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-11-22 22:33:03,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-11-22 22:33:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-11-22 22:33:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2018-11-22 22:33:03,269 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2018-11-22 22:33:03,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:03,270 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2018-11-22 22:33:03,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:33:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2018-11-22 22:33:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-22 22:33:03,271 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:03,271 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, 1] [2018-11-22 22:33:03,272 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:03,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:03,272 INFO L82 PathProgramCache]: Analyzing trace with hash -40383598, now seen corresponding path program 1 times [2018-11-22 22:33:03,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:03,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:03,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:03,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:03,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 22:33:03,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:03,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 22:33:03,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 22:33:03,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:33:03,358 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 8 states. [2018-11-22 22:33:03,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:03,399 INFO L93 Difference]: Finished difference Result 832 states and 968 transitions. [2018-11-22 22:33:03,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:33:03,399 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-11-22 22:33:03,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:03,401 INFO L225 Difference]: With dead ends: 832 [2018-11-22 22:33:03,401 INFO L226 Difference]: Without dead ends: 437 [2018-11-22 22:33:03,402 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 [2018-11-22 22:33:03,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-22 22:33:03,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2018-11-22 22:33:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-11-22 22:33:03,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2018-11-22 22:33:03,417 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2018-11-22 22:33:03,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:03,417 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2018-11-22 22:33:03,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 22:33:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2018-11-22 22:33:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-22 22:33:03,418 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:03,419 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, 1] [2018-11-22 22:33:03,419 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:03,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:03,419 INFO L82 PathProgramCache]: Analyzing trace with hash 289382163, now seen corresponding path program 1 times [2018-11-22 22:33:03,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:03,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:03,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,420 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:03,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:03,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:33:03,487 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:03,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:33:03,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:33:03,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:33:03,488 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 4 states. [2018-11-22 22:33:03,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:03,664 INFO L93 Difference]: Finished difference Result 1306 states and 1552 transitions. [2018-11-22 22:33:03,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 22:33:03,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-11-22 22:33:03,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:03,669 INFO L225 Difference]: With dead ends: 1306 [2018-11-22 22:33:03,669 INFO L226 Difference]: Without dead ends: 903 [2018-11-22 22:33:03,670 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 [2018-11-22 22:33:03,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-11-22 22:33:03,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 573. [2018-11-22 22:33:03,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2018-11-22 22:33:03,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 642 transitions. [2018-11-22 22:33:03,709 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 642 transitions. Word has length 94 [2018-11-22 22:33:03,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:03,710 INFO L480 AbstractCegarLoop]: Abstraction has 573 states and 642 transitions. [2018-11-22 22:33:03,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:33:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 642 transitions. [2018-11-22 22:33:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 22:33:03,711 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:03,711 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, 1, 1, 1, 1, 1] [2018-11-22 22:33:03,712 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:03,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:03,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1031306131, now seen corresponding path program 1 times [2018-11-22 22:33:03,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:03,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:03,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,713 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:03,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:33:03,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:33:03,756 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:03,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:33:03,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:33:03,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:33:03,756 INFO L87 Difference]: Start difference. First operand 573 states and 642 transitions. Second operand 3 states. [2018-11-22 22:33:03,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:03,808 INFO L93 Difference]: Finished difference Result 898 states and 1022 transitions. [2018-11-22 22:33:03,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:33:03,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-11-22 22:33:03,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:03,812 INFO L225 Difference]: With dead ends: 898 [2018-11-22 22:33:03,813 INFO L226 Difference]: Without dead ends: 895 [2018-11-22 22:33:03,813 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 [2018-11-22 22:33:03,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-11-22 22:33:03,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 741. [2018-11-22 22:33:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-11-22 22:33:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 841 transitions. [2018-11-22 22:33:03,861 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 841 transitions. Word has length 98 [2018-11-22 22:33:03,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:03,861 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 841 transitions. [2018-11-22 22:33:03,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:33:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 841 transitions. [2018-11-22 22:33:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-22 22:33:03,865 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:03,866 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, 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] [2018-11-22 22:33:03,866 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:03,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:03,866 INFO L82 PathProgramCache]: Analyzing trace with hash 2080725161, now seen corresponding path program 1 times [2018-11-22 22:33:03,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:03,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:03,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:03,869 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-22 22:33:03,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:33:03,976 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:33:03,977 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-22 22:33:03,979 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [41], [45], [46], [47], [62], [65], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [121], [123], [126], [128], [131], [134], [137], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [177], [181], [187], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [288], [289], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [313], [314], [315], [317], [318], [321], [322], [323], [324], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-11-22 22:33:04,010 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:33:04,010 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:33:05,807 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:33:05,808 INFO L272 AbstractInterpreter]: Visited 105 different actions 531 times. Merged at 14 different actions 50 times. Never widened. Performed 27699 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27699 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-22 22:33:05,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:05,814 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:33:05,814 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:33:05,814 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:33:05,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:05,821 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:33:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:05,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:33:06,010 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:06,010 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:33:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-22 22:33:06,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 22:33:06,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-22 22:33:06,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:06,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:33:06,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:33:06,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:33:06,308 INFO L87 Difference]: Start difference. First operand 741 states and 841 transitions. Second operand 3 states. [2018-11-22 22:33:06,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:06,379 INFO L93 Difference]: Finished difference Result 1249 states and 1428 transitions. [2018-11-22 22:33:06,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:33:06,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-11-22 22:33:06,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:06,383 INFO L225 Difference]: With dead ends: 1249 [2018-11-22 22:33:06,383 INFO L226 Difference]: Without dead ends: 674 [2018-11-22 22:33:06,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:33:06,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-11-22 22:33:06,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2018-11-22 22:33:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-11-22 22:33:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 755 transitions. [2018-11-22 22:33:06,425 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 755 transitions. Word has length 162 [2018-11-22 22:33:06,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:06,426 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 755 transitions. [2018-11-22 22:33:06,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:33:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 755 transitions. [2018-11-22 22:33:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-22 22:33:06,428 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:33:06,428 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:33:06,429 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:33:06,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:06,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1470059897, now seen corresponding path program 1 times [2018-11-22 22:33:06,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:33:06,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:06,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:06,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:33:06,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:33:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 22:33:06,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:33:06,601 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:33:06,601 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-11-22 22:33:06,602 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [45], [46], [47], [50], [52], [58], [62], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [123], [126], [128], [131], [134], [137], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [174], [177], [181], [187], [216], [220], [221], [225], [228], [230], [233], [240], [243], [248], [252], [253], [256], [259], [261], [267], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [285], [286], [287], [288], [289], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [313], [314], [315], [317], [318], [319], [320], [321], [322], [323], [324], [329], [330], [331], [333], [334], [335], [336], [339], [340], [341], [342], [345], [346], [347], [348] [2018-11-22 22:33:06,605 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:33:06,605 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:33:08,345 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:33:08,346 INFO L272 AbstractInterpreter]: Visited 142 different actions 1019 times. Merged at 21 different actions 91 times. Never widened. Performed 43940 root evaluator evaluations with a maximum evaluation depth of 5. Performed 43940 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-22 22:33:08,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:08,359 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:33:08,359 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:33:08,359 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/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 [2018-11-22 22:33:08,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:33:08,377 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:33:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:08,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:33:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 22:33:08,607 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:33:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 22:33:08,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 22:33:08,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-22 22:33:08,995 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:33:08,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 22:33:08,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 22:33:08,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-22 22:33:08,996 INFO L87 Difference]: Start difference. First operand 674 states and 755 transitions. Second operand 8 states. [2018-11-22 22:33:09,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:33:09,138 INFO L93 Difference]: Finished difference Result 1221 states and 1378 transitions. [2018-11-22 22:33:09,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:33:09,139 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2018-11-22 22:33:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:33:09,140 INFO L225 Difference]: With dead ends: 1221 [2018-11-22 22:33:09,140 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:33:09,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-22 22:33:09,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:33:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:33:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:33:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:33:09,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-11-22 22:33:09,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:33:09,142 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:33:09,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 22:33:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:33:09,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:33:09,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:33:09,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:33:09,552 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2018-11-22 22:33:09,656 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-11-22 22:33:09,883 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-11-22 22:33:10,177 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2018-11-22 22:33:10,575 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-11-22 22:33:11,951 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2018-11-22 22:33:11,951 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2018-11-22 22:33:11,951 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2018-11-22 22:33:11,951 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2018-11-22 22:33:11,951 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2018-11-22 22:33:11,952 INFO L444 ceAbstractionStarter]: At program point L129(line 129) 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))) [2018-11-22 22:33:11,952 INFO L444 ceAbstractionStarter]: At program point L128(line 128) 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))) [2018-11-22 22:33:11,952 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) 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))) [2018-11-22 22:33:11,952 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) 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))) [2018-11-22 22:33:11,952 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-22 22:33:11,952 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-22 22:33:11,952 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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))) [2018-11-22 22:33:11,952 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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))) [2018-11-22 22:33:11,952 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 844) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L451 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2018-11-22 22:33:11,953 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2018-11-22 22:33:11,953 INFO L444 ceAbstractionStarter]: At program point L113(line 113) 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))) [2018-11-22 22:33:11,954 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) 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))) [2018-11-22 22:33:11,954 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-22 22:33:11,954 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-22 22:33:11,954 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2018-11-22 22:33:11,954 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2018-11-22 22:33:11,954 INFO L451 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2018-11-22 22:33:11,954 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-22 22:33:11,954 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2018-11-22 22:33:11,954 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 (< ~methaneLevelCritical~0 1) .cse2 .cse0))) [2018-11-22 22:33:11,954 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2018-11-22 22:33:11,954 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2018-11-22 22:33:11,954 INFO L448 ceAbstractionStarter]: For program point L943(lines 943 949) no Hoare annotation was computed. [2018-11-22 22:33:11,954 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2018-11-22 22:33:11,954 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2018-11-22 22:33:11,955 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2018-11-22 22:33:11,955 INFO L444 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3))) [2018-11-22 22:33:11,955 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2018-11-22 22:33:11,955 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse1))) [2018-11-22 22:33:11,955 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2018-11-22 22:33:11,956 INFO L444 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse2) .cse3) (or .cse4 .cse3 .cse5) (or .cse2 .cse0 (or .cse3 .cse5)) (or .cse1 (or .cse4 .cse3) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-22 22:33:11,956 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3 .cse0))) [2018-11-22 22:33:11,956 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2018-11-22 22:33:11,956 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse5 .cse1 .cse3) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-22 22:33:11,956 INFO L448 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2018-11-22 22:33:11,956 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2018-11-22 22:33:11,956 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2018-11-22 22:33:11,956 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2018-11-22 22:33:11,956 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 555 620) 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))) [2018-11-22 22:33:11,956 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-11-22 22:33:11,956 INFO L444 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-11-22 22:33:11,957 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2018-11-22 22:33:11,957 INFO L448 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-11-22 22:33:11,957 INFO L444 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-11-22 22:33:11,957 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-11-22 22:33:11,957 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-11-22 22:33:11,957 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-11-22 22:33:11,957 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2018-11-22 22:33:11,957 INFO L444 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-11-22 22:33:11,957 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-11-22 22:33:11,957 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-11-22 22:33:11,958 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2018-11-22 22:33:11,958 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-11-22 22:33:11,958 INFO L444 ceAbstractionStarter]: At program point L613(lines 564 614) 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))) [2018-11-22 22:33:11,958 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2018-11-22 22:33:11,958 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2018-11-22 22:33:11,958 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2018-11-22 22:33:11,958 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2018-11-22 22:33:11,958 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-22 22:33:11,958 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-22 22:33:11,958 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-11-22 22:33:11,958 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2018-11-22 22:33:11,958 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) 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))) [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2018-11-22 22:33:11,959 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2018-11-22 22:33:11,960 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) 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 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-22 22:33:11,960 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2018-11-22 22:33:11,960 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2018-11-22 22:33:11,960 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-11-22 22:33:11,960 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2018-11-22 22:33:11,960 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-11-22 22:33:11,960 INFO L448 ceAbstractionStarter]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2018-11-22 22:33:11,960 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-22 22:33:11,960 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-11-22 22:33:11,960 INFO L448 ceAbstractionStarter]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2018-11-22 22:33:11,960 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2018-11-22 22:33:11,960 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2018-11-22 22:33:11,960 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2018-11-22 22:33:11,961 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2018-11-22 22:33:11,961 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or .cse4 .cse0 (= 0 ~methAndRunningLastTime~0) .cse2 .cse3) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-11-22 22:33:11,961 INFO L448 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2018-11-22 22:33:11,961 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-11-22 22:33:11,961 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2018-11-22 22:33:11,961 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2018-11-22 22:33:11,961 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or .cse8 .cse0 .cse9 .cse3 .cse5) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-11-22 22:33:11,961 INFO L444 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-11-22 22:33:11,961 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-22 22:33:11,962 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-22 22:33:11,962 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-22 22:33:11,962 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-22 22:33:11,962 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-22 22:33:11,962 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-22 22:33:11,962 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-22 22:33:11,962 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-22 22:33:11,962 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-22 22:33:11,962 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-22 22:33:11,962 INFO L448 ceAbstractionStarter]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2018-11-22 22:33:11,962 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: true [2018-11-22 22:33:11,962 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2018-11-22 22:33:11,962 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-22 22:33:11,962 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-22 22:33:11,962 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:33:11,963 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)) [2018-11-22 22:33:11,963 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:33:11,963 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:33:11,963 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-11-22 22:33:11,963 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-22 22:33:11,963 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2018-11-22 22:33:11,963 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-22 22:33:11,963 INFO L448 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2018-11-22 22:33:11,963 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2018-11-22 22:33:11,963 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2018-11-22 22:33:11,964 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-22 22:33:11,964 INFO L448 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2018-11-22 22:33:11,964 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)) (or (or .cse1 .cse2 .cse3) .cse0))) [2018-11-22 22:33:11,964 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-11-22 22:33:11,964 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (or .cse4 .cse1 .cse2) .cse3 .cse5) (or .cse3 .cse6 (or .cse4 .cse1) .cse5) (or .cse0 .cse6 .cse3 .cse1))) [2018-11-22 22:33:11,964 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-11-22 22:33:11,964 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2018-11-22 22:33:11,964 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2018-11-22 22:33:11,964 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-22 22:33:11,964 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2018-11-22 22:33:11,964 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-11-22 22:33:11,965 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2018-11-22 22:33:11,965 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2018-11-22 22:33:11,965 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-22 22:33:11,965 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2018-11-22 22:33:11,965 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-22 22:33:11,965 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-22 22:33:11,965 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2018-11-22 22:33:11,965 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-22 22:33:11,965 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-11-22 22:33:11,965 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2018-11-22 22:33:11,965 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-22 22:33:11,965 INFO L448 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2018-11-22 22:33:11,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:33:11 BoogieIcfgContainer [2018-11-22 22:33:11,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:33:11,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:33:11,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:33:11,977 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:33:11,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:33:01" (3/4) ... [2018-11-22 22:33:11,981 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:33:11,985 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 22:33:11,985 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-22 22:33:11,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 22:33:11,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-22 22:33:11,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 22:33:11,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 22:33:11,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 22:33:11,993 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-22 22:33:11,994 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 22:33:11,994 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 22:33:11,994 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 22:33:11,995 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:33:11,995 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:33:11,995 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:33:12,018 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-22 22:33:12,018 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) [2018-11-22 22:33:12,057 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c4917dd-41f1-4ac8-807e-d830454fd972/bin-2019/utaipan/witness.graphml [2018-11-22 22:33:12,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:33:12,058 INFO L168 Benchmark]: Toolchain (without parser) took 11866.95 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 578.3 MB). Free memory was 956.6 MB in the beginning and 839.2 MB in the end (delta: 117.3 MB). Peak memory consumption was 695.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:12,058 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-22 22:33:12,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:12,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:33:12,059 INFO L168 Benchmark]: Boogie Preprocessor took 31.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:12,059 INFO L168 Benchmark]: RCFGBuilder took 514.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:12,059 INFO L168 Benchmark]: TraceAbstraction took 10846.27 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 439.4 MB). Free memory was 1.1 GB in the beginning and 853.0 MB in the end (delta: 218.9 MB). Peak memory consumption was 700.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:12,059 INFO L168 Benchmark]: Witness Printer took 79.66 ms. Allocated memory is still 1.6 GB. Free memory was 853.0 MB in the beginning and 839.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:12,062 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 514.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10846.27 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 439.4 MB). Free memory was 1.1 GB in the beginning and 853.0 MB in the end (delta: 218.9 MB). Peak memory consumption was 700.2 MB. Max. memory is 11.5 GB. * Witness Printer took 79.66 ms. Allocated memory is still 1.6 GB. Free memory was 853.0 MB in the beginning and 839.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: 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 31 procedures, 165 locations, 1 error locations. SAFE Result, 10.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2319 SDtfs, 1234 SDslu, 4484 SDs, 0 SdLazy, 1398 SolverSat, 327 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 797 GetRequests, 712 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=741occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 547 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1684 PreInvPairs, 1743 NumberOfFragments, 2830 HoareAnnotationTreeSize, 1684 FomulaSimplifications, 6161 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 8650 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1471 NumberOfCodeBlocks, 1471 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1792 ConstructedInterpolants, 0 QuantifiedInterpolants, 374635 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1875 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 298/318 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...