./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product64_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_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/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 d5d7e7efc35ba4bdb3849277724b5f801bec138c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:07:23,628 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:07:23,629 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:07:23,637 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:07:23,637 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:07:23,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:07:23,639 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:07:23,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:07:23,641 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:07:23,642 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:07:23,642 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:07:23,643 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:07:23,643 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:07:23,644 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:07:23,645 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:07:23,645 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:07:23,646 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:07:23,647 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:07:23,649 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:07:23,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:07:23,651 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:07:23,652 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:07:23,653 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:07:23,654 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:07:23,654 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:07:23,655 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:07:23,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:07:23,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:07:23,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:07:23,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:07:23,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:07:23,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:07:23,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:07:23,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:07:23,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:07:23,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:07:23,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:07:23,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:07:23,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:07:23,672 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:07:23,673 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:07:23,673 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:07:23,673 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:07:23,673 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:07:23,673 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:07:23,673 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:07:23,674 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:07:23,674 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:07:23,674 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:07:23,674 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:07:23,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:07:23,675 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:07:23,675 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:07:23,675 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:07:23,675 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:07:23,676 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:07:23,676 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:07:23,676 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:07:23,676 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:07:23,676 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:07:23,676 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:07:23,677 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:07:23,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:07:23,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:07:23,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:07:23,677 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:07:23,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:07:23,677 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:07:23,678 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:07:23,678 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:07:23,678 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:07:23,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:07:23,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:07:23,678 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:07:23,678 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_7225b905-8d45-4730-90d6-ec2c61bbc0d2/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 -> d5d7e7efc35ba4bdb3849277724b5f801bec138c [2018-11-23 05:07:23,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:07:23,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:07:23,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:07:23,712 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:07:23,713 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:07:23,713 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product64_true-unreach-call_false-termination.cil.c [2018-11-23 05:07:23,752 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/data/19fa290fc/a74e9632386e44a294ac4dfa55deb2c3/FLAGb77123382 [2018-11-23 05:07:24,126 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:07:24,126 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/sv-benchmarks/c/product-lines/minepump_spec5_product64_true-unreach-call_false-termination.cil.c [2018-11-23 05:07:24,137 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/data/19fa290fc/a74e9632386e44a294ac4dfa55deb2c3/FLAGb77123382 [2018-11-23 05:07:24,148 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/data/19fa290fc/a74e9632386e44a294ac4dfa55deb2c3 [2018-11-23 05:07:24,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:07:24,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:07:24,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:07:24,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:07:24,154 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:07:24,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24, skipping insertion in model container [2018-11-23 05:07:24,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:07:24,194 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:07:24,403 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:07:24,415 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:07:24,537 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:07:24,561 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:07:24,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24 WrapperNode [2018-11-23 05:07:24,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:07:24,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:07:24,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:07:24,563 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:07:24,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:07:24,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:07:24,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:07:24,594 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:07:24,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... [2018-11-23 05:07:24,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:07:24,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:07:24,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:07:24,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:07:24,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/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 [2018-11-23 05:07:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 05:07:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 05:07:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:07:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:07:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 05:07:24,684 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 05:07:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 05:07:24,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 05:07:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:07:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 05:07:24,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 05:07:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 05:07:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 05:07:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 05:07:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 05:07:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 05:07:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 05:07:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 05:07:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 05:07:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 05:07:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 05:07:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 05:07:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 05:07:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 05:07:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 05:07:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 05:07:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 05:07:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 05:07:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 05:07:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 05:07:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 05:07:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 05:07:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 05:07:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 05:07:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 05:07:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 05:07:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 05:07:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:07:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:07:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 05:07:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 05:07:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 05:07:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 05:07:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 05:07:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 05:07:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 05:07:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 05:07:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 05:07:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 05:07:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 05:07:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 05:07:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 05:07:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 05:07:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 05:07:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 05:07:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 05:07:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 05:07:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 05:07:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 05:07:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 05:07:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 05:07:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 05:07:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 05:07:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 05:07:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:07:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:07:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 05:07:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 05:07:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 05:07:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 05:07:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:07:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:07:25,170 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:07:25,170 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 05:07:25,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:07:25 BoogieIcfgContainer [2018-11-23 05:07:25,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:07:25,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:07:25,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:07:25,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:07:25,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:07:24" (1/3) ... [2018-11-23 05:07:25,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5897c00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:07:25, skipping insertion in model container [2018-11-23 05:07:25,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:24" (2/3) ... [2018-11-23 05:07:25,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5897c00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:07:25, skipping insertion in model container [2018-11-23 05:07:25,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:07:25" (3/3) ... [2018-11-23 05:07:25,179 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64_true-unreach-call_false-termination.cil.c [2018-11-23 05:07:25,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:07:25,197 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:07:25,215 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:07:25,248 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:07:25,248 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:07:25,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:07:25,249 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:07:25,249 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:07:25,249 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:07:25,249 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:07:25,249 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:07:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2018-11-23 05:07:25,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 05:07:25,282 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:25,283 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:25,286 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:25,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:25,292 INFO L82 PathProgramCache]: Analyzing trace with hash 584333893, now seen corresponding path program 1 times [2018-11-23 05:07:25,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:25,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:25,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:25,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:25,334 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:25,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:25,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 05:07:25,522 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:25,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 05:07:25,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 05:07:25,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:07:25,544 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2018-11-23 05:07:25,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:25,579 INFO L93 Difference]: Finished difference Result 342 states and 423 transitions. [2018-11-23 05:07:25,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 05:07:25,580 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 05:07:25,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:25,589 INFO L225 Difference]: With dead ends: 342 [2018-11-23 05:07:25,589 INFO L226 Difference]: Without dead ends: 173 [2018-11-23 05:07:25,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:07:25,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-11-23 05:07:25,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-11-23 05:07:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-11-23 05:07:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2018-11-23 05:07:25,635 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2018-11-23 05:07:25,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:25,635 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2018-11-23 05:07:25,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 05:07:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2018-11-23 05:07:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 05:07:25,638 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:25,638 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:25,638 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:25,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:25,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2116356369, now seen corresponding path program 1 times [2018-11-23 05:07:25,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:25,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:25,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:25,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:25,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:25,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:25,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:07:25,726 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:25,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:07:25,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:07:25,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:07:25,728 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 3 states. [2018-11-23 05:07:25,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:25,757 INFO L93 Difference]: Finished difference Result 281 states and 333 transitions. [2018-11-23 05:07:25,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:07:25,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 05:07:25,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:25,759 INFO L225 Difference]: With dead ends: 281 [2018-11-23 05:07:25,759 INFO L226 Difference]: Without dead ends: 164 [2018-11-23 05:07:25,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:07:25,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-11-23 05:07:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-11-23 05:07:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-11-23 05:07:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2018-11-23 05:07:25,770 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2018-11-23 05:07:25,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:25,770 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2018-11-23 05:07:25,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:07:25,770 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2018-11-23 05:07:25,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 05:07:25,772 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:25,772 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:25,772 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:25,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:25,772 INFO L82 PathProgramCache]: Analyzing trace with hash 2125716522, now seen corresponding path program 1 times [2018-11-23 05:07:25,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:25,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:25,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:25,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:25,774 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:25,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:25,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:25,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:07:25,942 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:25,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:07:25,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:07:25,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:07:25,943 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 7 states. [2018-11-23 05:07:26,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:26,405 INFO L93 Difference]: Finished difference Result 492 states and 599 transitions. [2018-11-23 05:07:26,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:07:26,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 05:07:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:26,409 INFO L225 Difference]: With dead ends: 492 [2018-11-23 05:07:26,410 INFO L226 Difference]: Without dead ends: 356 [2018-11-23 05:07:26,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:07:26,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-23 05:07:26,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 344. [2018-11-23 05:07:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-11-23 05:07:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 418 transitions. [2018-11-23 05:07:26,452 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 418 transitions. Word has length 65 [2018-11-23 05:07:26,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:26,453 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 418 transitions. [2018-11-23 05:07:26,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:07:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 418 transitions. [2018-11-23 05:07:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 05:07:26,457 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:26,457 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:26,458 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:26,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:26,459 INFO L82 PathProgramCache]: Analyzing trace with hash 2055147783, now seen corresponding path program 1 times [2018-11-23 05:07:26,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:26,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:26,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:26,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:26,460 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:07:26,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:26,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:07:26,550 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:26,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:07:26,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:07:26,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:07:26,551 INFO L87 Difference]: Start difference. First operand 344 states and 418 transitions. Second operand 6 states. [2018-11-23 05:07:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:26,797 INFO L93 Difference]: Finished difference Result 805 states and 1012 transitions. [2018-11-23 05:07:26,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:07:26,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-11-23 05:07:26,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:26,802 INFO L225 Difference]: With dead ends: 805 [2018-11-23 05:07:26,803 INFO L226 Difference]: Without dead ends: 489 [2018-11-23 05:07:26,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:07:26,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-11-23 05:07:26,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 475. [2018-11-23 05:07:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2018-11-23 05:07:26,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 569 transitions. [2018-11-23 05:07:26,841 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 569 transitions. Word has length 70 [2018-11-23 05:07:26,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:26,841 INFO L480 AbstractCegarLoop]: Abstraction has 475 states and 569 transitions. [2018-11-23 05:07:26,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:07:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 569 transitions. [2018-11-23 05:07:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 05:07:26,845 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:26,846 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:26,846 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:26,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:26,846 INFO L82 PathProgramCache]: Analyzing trace with hash 404377783, now seen corresponding path program 1 times [2018-11-23 05:07:26,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:26,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:26,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:26,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:26,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:26,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:26,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:07:26,949 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:26,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:07:26,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:07:26,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:07:26,950 INFO L87 Difference]: Start difference. First operand 475 states and 569 transitions. Second operand 6 states. [2018-11-23 05:07:27,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:27,012 INFO L93 Difference]: Finished difference Result 936 states and 1162 transitions. [2018-11-23 05:07:27,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:07:27,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-11-23 05:07:27,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:27,016 INFO L225 Difference]: With dead ends: 936 [2018-11-23 05:07:27,016 INFO L226 Difference]: Without dead ends: 489 [2018-11-23 05:07:27,017 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:07:27,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-11-23 05:07:27,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 485. [2018-11-23 05:07:27,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-11-23 05:07:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 579 transitions. [2018-11-23 05:07:27,061 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 579 transitions. Word has length 113 [2018-11-23 05:07:27,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:27,062 INFO L480 AbstractCegarLoop]: Abstraction has 485 states and 579 transitions. [2018-11-23 05:07:27,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:07:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 579 transitions. [2018-11-23 05:07:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 05:07:27,065 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:27,065 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:27,065 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:27,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:27,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1951427467, now seen corresponding path program 1 times [2018-11-23 05:07:27,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:27,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:27,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:27,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:27,067 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:27,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:27,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 05:07:27,163 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:27,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 05:07:27,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 05:07:27,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:07:27,164 INFO L87 Difference]: Start difference. First operand 485 states and 579 transitions. Second operand 8 states. [2018-11-23 05:07:27,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:27,199 INFO L93 Difference]: Finished difference Result 956 states and 1182 transitions. [2018-11-23 05:07:27,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:07:27,200 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2018-11-23 05:07:27,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:27,202 INFO L225 Difference]: With dead ends: 956 [2018-11-23 05:07:27,202 INFO L226 Difference]: Without dead ends: 499 [2018-11-23 05:07:27,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:07:27,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-11-23 05:07:27,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 493. [2018-11-23 05:07:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-11-23 05:07:27,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 587 transitions. [2018-11-23 05:07:27,220 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 587 transitions. Word has length 113 [2018-11-23 05:07:27,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:27,221 INFO L480 AbstractCegarLoop]: Abstraction has 493 states and 587 transitions. [2018-11-23 05:07:27,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 05:07:27,221 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 587 transitions. [2018-11-23 05:07:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 05:07:27,223 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:27,224 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:27,224 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:27,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:27,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1182257452, now seen corresponding path program 1 times [2018-11-23 05:07:27,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:27,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:27,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:27,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:27,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:27,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:27,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:27,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:07:27,304 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:27,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:07:27,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:07:27,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:07:27,305 INFO L87 Difference]: Start difference. First operand 493 states and 587 transitions. Second operand 4 states. [2018-11-23 05:07:27,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:27,475 INFO L93 Difference]: Finished difference Result 1559 states and 1942 transitions. [2018-11-23 05:07:27,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:07:27,476 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-11-23 05:07:27,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:27,480 INFO L225 Difference]: With dead ends: 1559 [2018-11-23 05:07:27,480 INFO L226 Difference]: Without dead ends: 1094 [2018-11-23 05:07:27,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:07:27,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2018-11-23 05:07:27,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1077. [2018-11-23 05:07:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2018-11-23 05:07:27,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1314 transitions. [2018-11-23 05:07:27,529 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1314 transitions. Word has length 113 [2018-11-23 05:07:27,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:27,529 INFO L480 AbstractCegarLoop]: Abstraction has 1077 states and 1314 transitions. [2018-11-23 05:07:27,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:07:27,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1314 transitions. [2018-11-23 05:07:27,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 05:07:27,533 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:27,533 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:27,533 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:27,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:27,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1058168166, now seen corresponding path program 1 times [2018-11-23 05:07:27,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:27,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:27,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:27,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:27,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:27,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:27,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 05:07:27,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:27,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:07:27,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:07:27,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:07:27,666 INFO L87 Difference]: Start difference. First operand 1077 states and 1314 transitions. Second operand 9 states. [2018-11-23 05:07:29,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:29,163 INFO L93 Difference]: Finished difference Result 2969 states and 3764 transitions. [2018-11-23 05:07:29,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 05:07:29,164 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2018-11-23 05:07:29,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:29,178 INFO L225 Difference]: With dead ends: 2969 [2018-11-23 05:07:29,178 INFO L226 Difference]: Without dead ends: 2116 [2018-11-23 05:07:29,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:07:29,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2018-11-23 05:07:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 1892. [2018-11-23 05:07:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1892 states. [2018-11-23 05:07:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2272 transitions. [2018-11-23 05:07:29,344 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2272 transitions. Word has length 117 [2018-11-23 05:07:29,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:29,344 INFO L480 AbstractCegarLoop]: Abstraction has 1892 states and 2272 transitions. [2018-11-23 05:07:29,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:07:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2272 transitions. [2018-11-23 05:07:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 05:07:29,348 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:29,349 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, 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, 1, 1] [2018-11-23 05:07:29,349 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:29,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash -120636022, now seen corresponding path program 1 times [2018-11-23 05:07:29,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:29,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:29,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:29,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:29,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 05:07:29,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:29,495 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:07:29,496 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-23 05:07:29,497 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [76], [77], [78], [80], [83], [87], [88], [89], [93], [95], [96], [99], [103], [104], [105], [108], [110], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [164], [170], [178], [179], [180], [181], [182], [183], [184], [186], [191], [194], [195], [197], [202], [204], [205], [206], [207], [215], [216], [246], [249], [253], [259], [262], [266], [267], [271], [274], [276], [279], [286], [289], [294], [298], [299], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [314], [315], [316], [317], [318], [320], [321], [324], [325], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [342], [343], [344], [345], [346], [347], [354], [355], [358], [359], [360], [361], [362], [363], [368], [369], [370], [371], [372], [373], [374], [375], [376], [377], [378], [380], [381], [382], [383], [386], [387] [2018-11-23 05:07:29,536 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:07:29,537 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:07:31,585 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:07:31,586 INFO L272 AbstractInterpreter]: Visited 153 different actions 740 times. Merged at 16 different actions 46 times. Never widened. Performed 23849 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23849 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-23 05:07:31,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:31,599 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:07:31,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:31,599 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/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 [2018-11-23 05:07:31,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:31,607 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:07:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:31,748 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:07:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:07:31,888 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:07:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 05:07:32,413 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:07:32,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 05:07:32,413 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:07:32,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 05:07:32,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 05:07:32,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:07:32,415 INFO L87 Difference]: Start difference. First operand 1892 states and 2272 transitions. Second operand 16 states. [2018-11-23 05:07:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:33,570 INFO L93 Difference]: Finished difference Result 4318 states and 5399 transitions. [2018-11-23 05:07:33,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 05:07:33,571 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 195 [2018-11-23 05:07:33,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:33,586 INFO L225 Difference]: With dead ends: 4318 [2018-11-23 05:07:33,587 INFO L226 Difference]: Without dead ends: 2644 [2018-11-23 05:07:33,593 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 382 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 05:07:33,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2018-11-23 05:07:33,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2416. [2018-11-23 05:07:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2416 states. [2018-11-23 05:07:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2416 states and 2860 transitions. [2018-11-23 05:07:33,763 INFO L78 Accepts]: Start accepts. Automaton has 2416 states and 2860 transitions. Word has length 195 [2018-11-23 05:07:33,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:33,764 INFO L480 AbstractCegarLoop]: Abstraction has 2416 states and 2860 transitions. [2018-11-23 05:07:33,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 05:07:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 2860 transitions. [2018-11-23 05:07:33,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-11-23 05:07:33,775 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:33,775 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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] [2018-11-23 05:07:33,775 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:33,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:33,776 INFO L82 PathProgramCache]: Analyzing trace with hash -343238974, now seen corresponding path program 1 times [2018-11-23 05:07:33,776 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:33,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:33,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:33,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:33,777 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:34,061 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 135 proven. 18 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2018-11-23 05:07:34,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:34,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:07:34,061 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 376 with the following transitions: [2018-11-23 05:07:34,062 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [72], [74], [75], [76], [77], [78], [80], [83], [87], [88], [89], [93], [95], [96], [97], [98], [99], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [161], [164], [167], [170], [178], [179], [180], [181], [182], [183], [184], [186], [191], [194], [195], [197], [202], [204], [205], [206], [207], [215], [216], [246], [249], [253], [256], [259], [262], [266], [267], [271], [274], [276], [279], [286], [289], [290], [291], [294], [296], [298], [299], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [314], [315], [316], [317], [318], [320], [321], [324], [325], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [350], [351], [352], [353], [354], [355], [358], [359], [360], [361], [362], [363], [368], [369], [370], [371], [372], [373], [374], [375], [376], [377], [378], [380], [381], [382], [383], [386], [387] [2018-11-23 05:07:34,066 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:07:34,066 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:07:36,789 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:07:36,789 INFO L272 AbstractInterpreter]: Visited 171 different actions 1438 times. Merged at 25 different actions 107 times. Never widened. Performed 57618 root evaluator evaluations with a maximum evaluation depth of 5. Performed 57618 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 35 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-23 05:07:36,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:36,798 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:07:36,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:36,798 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/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 [2018-11-23 05:07:36,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:36,804 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:07:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:36,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:07:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 05:07:37,084 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:07:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 105 proven. 51 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-11-23 05:07:37,893 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:07:37,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-23 05:07:37,893 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:07:37,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 05:07:37,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 05:07:37,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-23 05:07:37,895 INFO L87 Difference]: Start difference. First operand 2416 states and 2860 transitions. Second operand 18 states. [2018-11-23 05:07:40,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:40,234 INFO L93 Difference]: Finished difference Result 6567 states and 8202 transitions. [2018-11-23 05:07:40,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-23 05:07:40,237 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 375 [2018-11-23 05:07:40,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:40,248 INFO L225 Difference]: With dead ends: 6567 [2018-11-23 05:07:40,248 INFO L226 Difference]: Without dead ends: 3532 [2018-11-23 05:07:40,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 739 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-11-23 05:07:40,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3532 states. [2018-11-23 05:07:40,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3532 to 3313. [2018-11-23 05:07:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2018-11-23 05:07:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 3876 transitions. [2018-11-23 05:07:40,370 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 3876 transitions. Word has length 375 [2018-11-23 05:07:40,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:40,370 INFO L480 AbstractCegarLoop]: Abstraction has 3313 states and 3876 transitions. [2018-11-23 05:07:40,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 05:07:40,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 3876 transitions. [2018-11-23 05:07:40,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2018-11-23 05:07:40,379 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:40,379 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:40,379 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:40,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:40,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1943497889, now seen corresponding path program 1 times [2018-11-23 05:07:40,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:40,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:40,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:40,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:40,381 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 144 proven. 19 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2018-11-23 05:07:40,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:40,623 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:07:40,623 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 465 with the following transitions: [2018-11-23 05:07:40,624 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [72], [74], [75], [76], [77], [78], [80], [85], [87], [88], [89], [93], [95], [96], [97], [98], [99], [102], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [164], [167], [170], [178], [179], [180], [181], [182], [183], [184], [186], [191], [194], [195], [197], [200], [202], [204], [205], [206], [207], [215], [216], [246], [249], [253], [256], [259], [262], [266], [267], [271], [274], [276], [279], [282], [286], [289], [294], [298], [299], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [314], [315], [316], [317], [318], [320], [321], [324], [325], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [352], [353], [354], [355], [358], [359], [360], [361], [362], [363], [368], [369], [370], [371], [372], [373], [374], [375], [376], [377], [378], [380], [381], [382], [383], [384], [385], [386], [387] [2018-11-23 05:07:40,628 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:07:40,628 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:07:44,484 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:07:44,484 INFO L272 AbstractInterpreter]: Visited 166 different actions 2266 times. Merged at 41 different actions 461 times. Widened at 1 different actions 1 times. Performed 97527 root evaluator evaluations with a maximum evaluation depth of 5. Performed 97527 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 101 fixpoints after 10 different actions. Largest state had 135 variables. [2018-11-23 05:07:44,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:44,491 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:07:44,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:44,491 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:07:44,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:44,506 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:07:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:44,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:07:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-11-23 05:07:44,923 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:07:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2018-11-23 05:07:45,355 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:07:45,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [9] total 11 [2018-11-23 05:07:45,355 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:45,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:07:45,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:07:45,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:07:45,356 INFO L87 Difference]: Start difference. First operand 3313 states and 3876 transitions. Second operand 3 states. [2018-11-23 05:07:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:45,434 INFO L93 Difference]: Finished difference Result 5282 states and 6195 transitions. [2018-11-23 05:07:45,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:07:45,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 464 [2018-11-23 05:07:45,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:45,443 INFO L225 Difference]: With dead ends: 5282 [2018-11-23 05:07:45,443 INFO L226 Difference]: Without dead ends: 2031 [2018-11-23 05:07:45,449 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 938 GetRequests, 929 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:07:45,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2018-11-23 05:07:45,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1991. [2018-11-23 05:07:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1991 states. [2018-11-23 05:07:45,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2297 transitions. [2018-11-23 05:07:45,516 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2297 transitions. Word has length 464 [2018-11-23 05:07:45,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:45,517 INFO L480 AbstractCegarLoop]: Abstraction has 1991 states and 2297 transitions. [2018-11-23 05:07:45,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:07:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2297 transitions. [2018-11-23 05:07:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-11-23 05:07:45,522 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:45,522 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-23 05:07:45,523 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:45,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:45,523 INFO L82 PathProgramCache]: Analyzing trace with hash -174156731, now seen corresponding path program 1 times [2018-11-23 05:07:45,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:45,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:45,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:45,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:45,524 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 110 proven. 12 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-11-23 05:07:45,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:45,645 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:07:45,645 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 398 with the following transitions: [2018-11-23 05:07:45,645 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [72], [74], [75], [76], [77], [78], [80], [85], [87], [88], [89], [93], [95], [96], [97], [98], [99], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [161], [164], [167], [170], [178], [179], [180], [181], [182], [183], [184], [186], [191], [194], [195], [197], [202], [204], [205], [206], [207], [215], [216], [246], [249], [253], [256], [259], [262], [266], [267], [271], [274], [276], [279], [286], [289], [290], [291], [294], [298], [299], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [314], [315], [316], [317], [318], [320], [321], [324], [325], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [350], [351], [352], [353], [354], [355], [358], [359], [360], [361], [362], [363], [368], [369], [370], [371], [372], [373], [374], [375], [376], [377], [378], [380], [381], [382], [383], [386], [387] [2018-11-23 05:07:45,648 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:07:45,648 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:07:47,935 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:07:47,936 INFO L272 AbstractInterpreter]: Visited 165 different actions 1512 times. Merged at 26 different actions 164 times. Never widened. Performed 53767 root evaluator evaluations with a maximum evaluation depth of 5. Performed 53767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 51 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-23 05:07:47,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:47,942 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:07:47,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:47,942 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:07:47,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:47,952 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:07:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:48,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:07:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-11-23 05:07:48,226 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:07:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 110 proven. 12 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-11-23 05:07:48,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:07:48,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-23 05:07:48,614 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:48,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:07:48,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:07:48,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 05:07:48,615 INFO L87 Difference]: Start difference. First operand 1991 states and 2297 transitions. Second operand 6 states. [2018-11-23 05:07:48,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:48,661 INFO L93 Difference]: Finished difference Result 2434 states and 2790 transitions. [2018-11-23 05:07:48,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:07:48,662 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 397 [2018-11-23 05:07:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:48,663 INFO L225 Difference]: With dead ends: 2434 [2018-11-23 05:07:48,663 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:07:48,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 805 GetRequests, 789 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-23 05:07:48,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:07:48,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:07:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:07:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:07:48,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 397 [2018-11-23 05:07:48,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:48,668 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:07:48,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:07:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:07:48,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:07:48,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:07:48,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:48,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:48,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:07:49,797 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2018-11-23 05:07:50,157 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 40 [2018-11-23 05:07:50,838 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2018-11-23 05:07:51,185 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2018-11-23 05:07:51,387 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 26 [2018-11-23 05:07:51,502 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 34 [2018-11-23 05:07:51,750 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-11-23 05:07:52,195 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2018-11-23 05:07:52,411 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2018-11-23 05:07:53,051 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2018-11-23 05:07:53,051 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2018-11-23 05:07:53,051 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2018-11-23 05:07:53,051 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2018-11-23 05:07:53,051 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2018-11-23 05:07:53,051 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 05:07:53,051 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-23 05:07:53,051 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-23 05:07:53,052 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4 .cse7) (or .cse1 .cse0 .cse6 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse7 .cse4))) [2018-11-23 05:07:53,052 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-23 05:07:53,052 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-23 05:07:53,052 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-23 05:07:53,052 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-23 05:07:53,052 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-11-23 05:07:53,052 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-23 05:07:53,052 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-23 05:07:53,052 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-23 05:07:53,053 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse5 .cse4 .cse3) (or .cse2 .cse0 .cse5 .cse1) (or .cse6 (or .cse5 (or .cse2 .cse1))) (or .cse2 .cse6 .cse5 .cse3 .cse4))) [2018-11-23 05:07:53,053 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-23 05:07:53,053 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-23 05:07:53,053 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-23 05:07:53,053 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-23 05:07:53,053 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-23 05:07:53,053 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 620 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,053 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2018-11-23 05:07:53,053 INFO L444 ceAbstractionStarter]: At program point L632(line 632) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~8 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,053 INFO L444 ceAbstractionStarter]: At program point L632-1(line 632) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~8 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,053 INFO L448 ceAbstractionStarter]: For program point L630(lines 630 637) no Hoare annotation was computed. [2018-11-23 05:07:53,053 INFO L448 ceAbstractionStarter]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2018-11-23 05:07:53,053 INFO L448 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2018-11-23 05:07:53,053 INFO L444 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,054 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,054 INFO L444 ceAbstractionStarter]: At program point L626-1(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,054 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2018-11-23 05:07:53,054 INFO L448 ceAbstractionStarter]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2018-11-23 05:07:53,054 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-23 05:07:53,054 INFO L444 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~3) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3))) [2018-11-23 05:07:53,054 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 255) no Hoare annotation was computed. [2018-11-23 05:07:53,054 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 05:07:53,054 INFO L448 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-11-23 05:07:53,054 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 260) no Hoare annotation was computed. [2018-11-23 05:07:53,054 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-23 05:07:53,054 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2018-11-23 05:07:53,054 INFO L444 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 05:07:53,054 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (and (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1)) (or (or (= |old(~systemActive~0)| 0) .cse1) (not (= 1 |old(~pumpRunning~0)|)))))) [2018-11-23 05:07:53,055 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 2))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (and (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1)) (or (or (= |old(~systemActive~0)| 0) .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse1))) [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L451 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2018-11-23 05:07:53,055 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2018-11-23 05:07:53,056 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2018-11-23 05:07:53,056 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 606 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,056 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2018-11-23 05:07:53,056 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2018-11-23 05:07:53,056 INFO L444 ceAbstractionStarter]: At program point L611(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,056 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2018-11-23 05:07:53,056 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2018-11-23 05:07:53,056 INFO L451 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: true [2018-11-23 05:07:53,056 INFO L448 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-11-23 05:07:53,056 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2018-11-23 05:07:53,057 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) (or (= ~pumpRunning~0 1) (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0)))) [2018-11-23 05:07:53,057 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2018-11-23 05:07:53,057 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2018-11-23 05:07:53,057 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 530) no Hoare annotation was computed. [2018-11-23 05:07:53,057 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2018-11-23 05:07:53,057 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2018-11-23 05:07:53,057 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2018-11-23 05:07:53,057 INFO L444 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 05:07:53,057 INFO L448 ceAbstractionStarter]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2018-11-23 05:07:53,057 INFO L444 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 05:07:53,058 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2018-11-23 05:07:53,058 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 265 289) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-23 05:07:53,058 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 05:07:53,058 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 281) no Hoare annotation was computed. [2018-11-23 05:07:53,058 INFO L444 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 05:07:53,058 INFO L448 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2018-11-23 05:07:53,058 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 286) no Hoare annotation was computed. [2018-11-23 05:07:53,058 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2018-11-23 05:07:53,058 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2018-11-23 05:07:53,058 INFO L448 ceAbstractionStarter]: For program point L128(lines 128 134) no Hoare annotation was computed. [2018-11-23 05:07:53,058 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,058 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2018-11-23 05:07:53,058 INFO L444 ceAbstractionStarter]: At program point L155(lines 108 157) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 (= ~pumpRunning~0 1) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse3 .cse6 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 05:07:53,058 INFO L444 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse3 .cse4 .cse2 .cse5) .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2 .cse6 .cse5) (and .cse3 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 .cse5))) [2018-11-23 05:07:53,058 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 124) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 114) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L444 ceAbstractionStarter]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 05:07:53,059 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) (and (not (= ~systemActive~0 0)) .cse0 .cse1)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse0 .cse1) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 152) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L444 ceAbstractionStarter]: At program point L146-1(lines 138 153) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse5 .cse3) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (= ~pumpRunning~0 1) .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse4 .cse3))) [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point L109(lines 108 157) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (= ~pumpRunning~0 1) .cse1) (and .cse0 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point L138(lines 138 153) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse3 .cse0 .cse2 .cse5) .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse6 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2))) [2018-11-23 05:07:53,059 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2018-11-23 05:07:53,059 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~waterLevel~0)| ~waterLevel~0) [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L444 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 298 314) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 05:07:53,060 INFO L444 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2018-11-23 05:07:53,060 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 392) no Hoare annotation was computed. [2018-11-23 05:07:53,061 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-23 05:07:53,061 INFO L448 ceAbstractionStarter]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2018-11-23 05:07:53,061 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2018-11-23 05:07:53,061 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2018-11-23 05:07:53,061 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2018-11-23 05:07:53,061 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: true [2018-11-23 05:07:53,061 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2018-11-23 05:07:53,061 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2018-11-23 05:07:53,061 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2018-11-23 05:07:53,061 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2018-11-23 05:07:53,061 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2018-11-23 05:07:53,061 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2018-11-23 05:07:53,062 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2018-11-23 05:07:53,062 INFO L451 ceAbstractionStarter]: At program point L570(lines 545 574) the Hoare annotation is: true [2018-11-23 05:07:53,062 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 05:07:53,062 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2018-11-23 05:07:53,062 INFO L451 ceAbstractionStarter]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2018-11-23 05:07:53,062 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 05:07:53,062 INFO L451 ceAbstractionStarter]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2018-11-23 05:07:53,062 INFO L451 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: true [2018-11-23 05:07:53,062 INFO L448 ceAbstractionStarter]: For program point L551-1(line 551) no Hoare annotation was computed. [2018-11-23 05:07:53,062 INFO L444 ceAbstractionStarter]: At program point L192(lines 192 198) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse7 .cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse2 .cse4) .cse1 (and (= ~pumpRunning~0 1) .cse5)) (or (or .cse0 .cse4) .cse6 .cse1) (or (or (or .cse2 .cse4) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse7 (= 1 ~waterLevel~0))) (or .cse1 .cse0 .cse6 .cse3)))) [2018-11-23 05:07:53,063 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse3) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse4))) [2018-11-23 05:07:53,063 INFO L448 ceAbstractionStarter]: For program point L185(lines 181 203) no Hoare annotation was computed. [2018-11-23 05:07:53,063 INFO L448 ceAbstractionStarter]: For program point L183(lines 181 203) no Hoare annotation was computed. [2018-11-23 05:07:53,063 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse7)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse7)) (or .cse8 .cse0 .cse2 .cse9 .cse5) (or .cse0 .cse8 .cse6 .cse9 .cse5) (or .cse10 .cse0 .cse6 .cse5 .cse11) (or .cse10 .cse0 .cse2 .cse11 .cse5) (or (or .cse0 .cse6 .cse1) .cse3)))) [2018-11-23 05:07:53,063 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2018-11-23 05:07:53,063 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2018-11-23 05:07:53,063 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse3 .cse4 .cse1 .cse5) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse6 .cse5) (or (or .cse3 .cse2) .cse6)))) [2018-11-23 05:07:53,064 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 443 454) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 05:07:53,064 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2018-11-23 05:07:53,064 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2018-11-23 05:07:53,064 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2018-11-23 05:07:53,064 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2018-11-23 05:07:53,064 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:07:53,064 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 05:07:53,064 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:07:53,064 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:07:53,064 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 05:07:53,065 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-23 05:07:53,065 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 229) no Hoare annotation was computed. [2018-11-23 05:07:53,065 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2018-11-23 05:07:53,065 INFO L444 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 05:07:53,065 INFO L448 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2018-11-23 05:07:53,065 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 234) no Hoare annotation was computed. [2018-11-23 05:07:53,065 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 05:07:53,065 INFO L448 ceAbstractionStarter]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2018-11-23 05:07:53,065 INFO L444 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 05:07:53,065 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2018-11-23 05:07:53,066 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: true [2018-11-23 05:07:53,066 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2018-11-23 05:07:53,066 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2018-11-23 05:07:53,066 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2018-11-23 05:07:53,066 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 .cse3 (or .cse4 .cse5) .cse6) (or .cse3 .cse2 .cse6 .cse5 .cse1) (or .cse2 (or .cse5 .cse0) .cse6 .cse1) (or (= 1 ~waterLevel~0) (or .cse5 .cse0 .cse4)))) [2018-11-23 05:07:53,066 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2018-11-23 05:07:53,066 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2018-11-23 05:07:53,066 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2018-11-23 05:07:53,066 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2018-11-23 05:07:53,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:07:53 BoogieIcfgContainer [2018-11-23 05:07:53,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:07:53,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:07:53,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:07:53,079 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:07:53,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:07:25" (3/4) ... [2018-11-23 05:07:53,083 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 05:07:53,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 05:07:53,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 05:07:53,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 05:07:53,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 05:07:53,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 05:07:53,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 05:07:53,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 05:07:53,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:07:53,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 05:07:53,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 05:07:53,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 05:07:53,099 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2018-11-23 05:07:53,099 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 05:07:53,100 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 05:07:53,100 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 05:07:53,100 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:07:53,101 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:07:53,101 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:07:53,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && \old(waterLevel) == waterLevel) && 0 == systemActive) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-23 05:07:53,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 05:07:53,160 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7225b905-8d45-4730-90d6-ec2c61bbc0d2/bin-2019/utaipan/witness.graphml [2018-11-23 05:07:53,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:07:53,161 INFO L168 Benchmark]: Toolchain (without parser) took 29009.77 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 957.5 MB in the beginning and 1.3 GB in the end (delta: -333.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 05:07:53,161 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:07:53,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:07:53,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:07:53,162 INFO L168 Benchmark]: Boogie Preprocessor took 35.69 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. [2018-11-23 05:07:53,162 INFO L168 Benchmark]: RCFGBuilder took 541.61 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:07:53,162 INFO L168 Benchmark]: TraceAbstraction took 27907.10 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -260.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 05:07:53,162 INFO L168 Benchmark]: Witness Printer took 81.03 ms. Allocated memory is still 3.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:07:53,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 410.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.69 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. * RCFGBuilder took 541.61 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27907.10 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -260.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 81.03 ms. Allocated memory is still 3.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: 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: 108]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && \old(waterLevel) == waterLevel) && 0 == systemActive) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 186 locations, 1 error locations. SAFE Result, 27.8s OverallTime, 12 OverallIterations, 11 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 3042 SDtfs, 2559 SDslu, 8982 SDs, 0 SdLazy, 6664 SolverSat, 1141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3041 GetRequests, 2870 SyntacticMatches, 20 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3313occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.0s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 764 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 5398 PreInvPairs, 5565 NumberOfFragments, 2675 HoareAnnotationTreeSize, 5398 FomulaSimplifications, 10480 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 77 FomulaSimplificationsInter, 27348 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 3572 NumberOfCodeBlocks, 3572 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4983 ConstructedInterpolants, 0 QuantifiedInterpolants, 2101481 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5649 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 5543/5694 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...