./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/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 9bd2750697477c749a894a241eb18460dbfa6e62 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:54:25,657 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:54:25,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:54:25,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:54:25,664 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:54:25,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:54:25,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:54:25,666 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:54:25,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:54:25,668 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:54:25,669 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:54:25,669 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:54:25,670 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:54:25,670 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:54:25,671 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:54:25,672 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:54:25,672 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:54:25,674 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:54:25,675 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:54:25,676 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:54:25,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:54:25,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:54:25,679 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:54:25,679 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:54:25,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:54:25,680 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:54:25,681 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:54:25,681 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:54:25,682 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:54:25,682 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:54:25,682 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:54:25,683 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:54:25,683 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:54:25,683 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:54:25,684 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:54:25,684 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:54:25,684 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 22:54:25,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:54:25,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:54:25,693 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:54:25,693 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:54:25,693 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 22:54:25,693 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 22:54:25,693 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 22:54:25,693 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 22:54:25,694 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 22:54:25,694 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 22:54:25,694 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 22:54:25,694 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 22:54:25,694 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 22:54:25,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:54:25,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:54:25,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:54:25,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:54:25,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:54:25,695 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:54:25,695 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:54:25,695 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:54:25,695 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:54:25,695 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:54:25,696 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:54:25,696 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:54:25,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:54:25,697 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 22:54:25,697 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_0aa06b10-b573-4be5-b8bd-842caf5381b6/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 -> 9bd2750697477c749a894a241eb18460dbfa6e62 [2018-12-08 22:54:25,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:54:25,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:54:25,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:54:25,726 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:54:25,727 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:54:25,727 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c [2018-12-08 22:54:25,763 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/data/49c7ea2d5/ca57c5f1fbda4d56aa1b9e743b5b706a/FLAG8890c08d1 [2018-12-08 22:54:26,157 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:54:26,157 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c [2018-12-08 22:54:26,163 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/data/49c7ea2d5/ca57c5f1fbda4d56aa1b9e743b5b706a/FLAG8890c08d1 [2018-12-08 22:54:26,171 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/data/49c7ea2d5/ca57c5f1fbda4d56aa1b9e743b5b706a [2018-12-08 22:54:26,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:54:26,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:54:26,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:54:26,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:54:26,176 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:54:26,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26, skipping insertion in model container [2018-12-08 22:54:26,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:54:26,202 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:54:26,352 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:54:26,397 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:54:26,444 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:54:26,459 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:54:26,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26 WrapperNode [2018-12-08 22:54:26,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:54:26,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:54:26,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:54:26,460 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:54:26,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:54:26,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:54:26,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:54:26,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:54:26,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... [2018-12-08 22:54:26,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:54:26,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:54:26,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:54:26,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:54:26,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:54:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 22:54:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 22:54:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:54:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:54:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 22:54:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 22:54:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:54:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 22:54:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 22:54:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 22:54:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 22:54:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 22:54:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 22:54:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 22:54:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 22:54:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 22:54:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 22:54:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 22:54:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 22:54:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 22:54:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 22:54:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 22:54:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 22:54:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 22:54:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 22:54:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 22:54:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 22:54:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 22:54:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 22:54:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 22:54:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 22:54:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 22:54:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 22:54:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 22:54:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 22:54:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 22:54:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 22:54:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 22:54:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 22:54:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 22:54:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 22:54:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 22:54:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 22:54:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 22:54:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 22:54:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 22:54:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 22:54:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 22:54:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 22:54:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 22:54:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 22:54:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 22:54:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 22:54:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 22:54:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 22:54:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 22:54:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 22:54:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 22:54:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:54:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:54:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 22:54:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 22:54:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 22:54:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 22:54:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:54:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:54:26,894 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:54:26,895 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 22:54:26,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:54:26 BoogieIcfgContainer [2018-12-08 22:54:26,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:54:26,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:54:26,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:54:26,897 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:54:26,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:54:26" (1/3) ... [2018-12-08 22:54:26,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc41678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:54:26, skipping insertion in model container [2018-12-08 22:54:26,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:54:26" (2/3) ... [2018-12-08 22:54:26,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc41678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:54:26, skipping insertion in model container [2018-12-08 22:54:26,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:54:26" (3/3) ... [2018-12-08 22:54:26,899 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57_true-unreach-call_false-termination.cil.c [2018-12-08 22:54:26,905 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:54:26,911 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:54:26,920 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:54:26,938 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:54:26,939 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:54:26,939 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:54:26,939 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:54:26,939 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:54:26,939 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:54:26,939 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:54:26,939 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:54:26,951 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-12-08 22:54:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 22:54:26,956 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:26,956 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] [2018-12-08 22:54:26,958 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:26,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:26,961 INFO L82 PathProgramCache]: Analyzing trace with hash -120444020, now seen corresponding path program 1 times [2018-12-08 22:54:26,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:26,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:26,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:26,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:26,990 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:54:27,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:54:27,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 22:54:27,105 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:27,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 22:54:27,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 22:54:27,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:54:27,117 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-12-08 22:54:27,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:27,140 INFO L93 Difference]: Finished difference Result 302 states and 369 transitions. [2018-12-08 22:54:27,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 22:54:27,141 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 22:54:27,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:27,148 INFO L225 Difference]: With dead ends: 302 [2018-12-08 22:54:27,148 INFO L226 Difference]: Without dead ends: 153 [2018-12-08 22:54:27,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:54:27,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-12-08 22:54:27,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-12-08 22:54:27,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-12-08 22:54:27,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2018-12-08 22:54:27,182 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 59 [2018-12-08 22:54:27,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:27,183 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2018-12-08 22:54:27,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 22:54:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2018-12-08 22:54:27,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 22:54:27,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:27,185 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] [2018-12-08 22:54:27,185 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:27,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:27,186 INFO L82 PathProgramCache]: Analyzing trace with hash 827248448, now seen corresponding path program 1 times [2018-12-08 22:54:27,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:27,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:27,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:27,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:27,187 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:54:27,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:54:27,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:54:27,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:27,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:54:27,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:54:27,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:54:27,250 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 3 states. [2018-12-08 22:54:27,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:27,264 INFO L93 Difference]: Finished difference Result 251 states and 291 transitions. [2018-12-08 22:54:27,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:54:27,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-08 22:54:27,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:27,265 INFO L225 Difference]: With dead ends: 251 [2018-12-08 22:54:27,265 INFO L226 Difference]: Without dead ends: 144 [2018-12-08 22:54:27,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:54:27,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-08 22:54:27,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-08 22:54:27,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-08 22:54:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2018-12-08 22:54:27,274 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 60 [2018-12-08 22:54:27,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:27,275 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2018-12-08 22:54:27,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:54:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2018-12-08 22:54:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 22:54:27,276 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:27,276 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] [2018-12-08 22:54:27,276 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:27,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:27,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1130531831, now seen corresponding path program 1 times [2018-12-08 22:54:27,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:27,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:27,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:27,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:27,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:54:27,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:54:27,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:54:27,343 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:27,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:54:27,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:54:27,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:54:27,344 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand 7 states. [2018-12-08 22:54:27,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:27,552 INFO L93 Difference]: Finished difference Result 260 states and 305 transitions. [2018-12-08 22:54:27,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 22:54:27,552 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 22:54:27,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:27,553 INFO L225 Difference]: With dead ends: 260 [2018-12-08 22:54:27,553 INFO L226 Difference]: Without dead ends: 144 [2018-12-08 22:54:27,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:54:27,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-08 22:54:27,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-08 22:54:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-08 22:54:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2018-12-08 22:54:27,562 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 64 [2018-12-08 22:54:27,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:27,563 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2018-12-08 22:54:27,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:54:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2018-12-08 22:54:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 22:54:27,564 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:27,564 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] [2018-12-08 22:54:27,565 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:27,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:27,565 INFO L82 PathProgramCache]: Analyzing trace with hash -761880987, now seen corresponding path program 1 times [2018-12-08 22:54:27,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:27,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:27,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:27,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:27,566 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:54:27,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:54:27,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 22:54:27,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:27,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 22:54:27,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 22:54:27,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 22:54:27,630 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand 5 states. [2018-12-08 22:54:27,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:27,981 INFO L93 Difference]: Finished difference Result 363 states and 435 transitions. [2018-12-08 22:54:27,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 22:54:27,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-12-08 22:54:27,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:27,983 INFO L225 Difference]: With dead ends: 363 [2018-12-08 22:54:27,983 INFO L226 Difference]: Without dead ends: 247 [2018-12-08 22:54:27,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 22:54:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-12-08 22:54:27,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 229. [2018-12-08 22:54:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-12-08 22:54:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 262 transitions. [2018-12-08 22:54:27,997 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 262 transitions. Word has length 77 [2018-12-08 22:54:27,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:27,997 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 262 transitions. [2018-12-08 22:54:27,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 22:54:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 262 transitions. [2018-12-08 22:54:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 22:54:27,998 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:27,998 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] [2018-12-08 22:54:27,998 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:27,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:27,999 INFO L82 PathProgramCache]: Analyzing trace with hash -835921592, now seen corresponding path program 1 times [2018-12-08 22:54:27,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:27,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:27,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:27,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:27,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:54:28,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:54:28,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:54:28,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:28,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:54:28,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:54:28,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:54:28,074 INFO L87 Difference]: Start difference. First operand 229 states and 262 transitions. Second operand 7 states. [2018-12-08 22:54:28,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:28,425 INFO L93 Difference]: Finished difference Result 447 states and 527 transitions. [2018-12-08 22:54:28,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 22:54:28,426 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-12-08 22:54:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:28,427 INFO L225 Difference]: With dead ends: 447 [2018-12-08 22:54:28,427 INFO L226 Difference]: Without dead ends: 246 [2018-12-08 22:54:28,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 22:54:28,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-12-08 22:54:28,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2018-12-08 22:54:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-08 22:54:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2018-12-08 22:54:28,439 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 91 [2018-12-08 22:54:28,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:28,439 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2018-12-08 22:54:28,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:54:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2018-12-08 22:54:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 22:54:28,440 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:28,440 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] [2018-12-08 22:54:28,440 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:28,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:28,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1679174029, now seen corresponding path program 1 times [2018-12-08 22:54:28,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:28,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:28,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:28,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:28,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:54:28,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:54:28,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 22:54:28,489 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:28,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 22:54:28,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 22:54:28,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 22:54:28,490 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand 6 states. [2018-12-08 22:54:28,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:28,511 INFO L93 Difference]: Finished difference Result 435 states and 506 transitions. [2018-12-08 22:54:28,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 22:54:28,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2018-12-08 22:54:28,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:28,513 INFO L225 Difference]: With dead ends: 435 [2018-12-08 22:54:28,513 INFO L226 Difference]: Without dead ends: 235 [2018-12-08 22:54:28,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:54:28,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-12-08 22:54:28,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2018-12-08 22:54:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-12-08 22:54:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 264 transitions. [2018-12-08 22:54:28,527 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 264 transitions. Word has length 107 [2018-12-08 22:54:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:28,528 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 264 transitions. [2018-12-08 22:54:28,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 22:54:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 264 transitions. [2018-12-08 22:54:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 22:54:28,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:28,529 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] [2018-12-08 22:54:28,529 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:28,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:28,529 INFO L82 PathProgramCache]: Analyzing trace with hash 249098673, now seen corresponding path program 1 times [2018-12-08 22:54:28,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:28,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:28,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:28,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:28,530 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:54:28,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:54:28,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 22:54:28,590 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:28,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 22:54:28,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 22:54:28,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 22:54:28,590 INFO L87 Difference]: Start difference. First operand 233 states and 264 transitions. Second operand 8 states. [2018-12-08 22:54:28,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:28,619 INFO L93 Difference]: Finished difference Result 445 states and 517 transitions. [2018-12-08 22:54:28,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 22:54:28,619 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2018-12-08 22:54:28,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:28,620 INFO L225 Difference]: With dead ends: 445 [2018-12-08 22:54:28,620 INFO L226 Difference]: Without dead ends: 240 [2018-12-08 22:54:28,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 22:54:28,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-12-08 22:54:28,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2018-12-08 22:54:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-12-08 22:54:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2018-12-08 22:54:28,628 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 107 [2018-12-08 22:54:28,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:28,629 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2018-12-08 22:54:28,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 22:54:28,629 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2018-12-08 22:54:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 22:54:28,629 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:28,629 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] [2018-12-08 22:54:28,630 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:28,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:28,630 INFO L82 PathProgramCache]: Analyzing trace with hash 8558544, now seen corresponding path program 1 times [2018-12-08 22:54:28,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:28,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:28,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:28,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:28,631 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:54:28,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:54:28,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 22:54:28,678 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:28,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 22:54:28,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 22:54:28,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 22:54:28,678 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand 4 states. [2018-12-08 22:54:28,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:28,799 INFO L93 Difference]: Finished difference Result 673 states and 799 transitions. [2018-12-08 22:54:28,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 22:54:28,799 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-12-08 22:54:28,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:28,802 INFO L225 Difference]: With dead ends: 673 [2018-12-08 22:54:28,802 INFO L226 Difference]: Without dead ends: 464 [2018-12-08 22:54:28,803 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 22:54:28,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-12-08 22:54:28,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 455. [2018-12-08 22:54:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-12-08 22:54:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 530 transitions. [2018-12-08 22:54:28,830 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 530 transitions. Word has length 107 [2018-12-08 22:54:28,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:28,830 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 530 transitions. [2018-12-08 22:54:28,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 22:54:28,831 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 530 transitions. [2018-12-08 22:54:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 22:54:28,832 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:28,832 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] [2018-12-08 22:54:28,832 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:28,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:28,833 INFO L82 PathProgramCache]: Analyzing trace with hash 576913622, now seen corresponding path program 1 times [2018-12-08 22:54:28,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:28,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:28,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:28,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:28,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:28,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:54:28,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:54:28,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 22:54:28,940 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:28,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:54:28,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:54:28,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:54:28,940 INFO L87 Difference]: Start difference. First operand 455 states and 530 transitions. Second operand 9 states. [2018-12-08 22:54:29,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:29,504 INFO L93 Difference]: Finished difference Result 1194 states and 1455 transitions. [2018-12-08 22:54:29,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 22:54:29,504 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2018-12-08 22:54:29,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:29,507 INFO L225 Difference]: With dead ends: 1194 [2018-12-08 22:54:29,507 INFO L226 Difference]: Without dead ends: 835 [2018-12-08 22:54:29,508 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 22:54:29,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2018-12-08 22:54:29,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 762. [2018-12-08 22:54:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2018-12-08 22:54:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 877 transitions. [2018-12-08 22:54:29,543 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 877 transitions. Word has length 111 [2018-12-08 22:54:29,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:29,543 INFO L480 AbstractCegarLoop]: Abstraction has 762 states and 877 transitions. [2018-12-08 22:54:29,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:54:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 877 transitions. [2018-12-08 22:54:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 22:54:29,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:29,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:54:29,545 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:29,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:29,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1838730804, now seen corresponding path program 1 times [2018-12-08 22:54:29,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:29,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:29,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:29,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:29,546 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 22:54:29,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:54:29,630 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:54:29,630 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-12-08 22:54:29,632 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [71], [74], [76], [82], [86], [89], [90], [94], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [133], [148], [149], [150], [151], [152], [153], [154], [156], [161], [164], [165], [167], [172], [174], [175], [176], [177], [185], [186], [190], [193], [197], [203], [232], [236], [237], [241], [244], [246], [249], [256], [259], [262], [266], [267], [270], [271], [272], [273], [274], [275], [276], [278], [279], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [294], [295], [296], [297], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [330], [331], [332], [334], [335], [336], [337], [340], [341] [2018-12-08 22:54:29,663 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:54:29,663 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:54:30,765 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:54:30,765 INFO L272 AbstractInterpreter]: Visited 140 different actions 638 times. Merged at 15 different actions 42 times. Never widened. Performed 20767 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-08 22:54:30,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:30,778 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:54:30,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:54:30,778 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:54:30,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:30,785 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:54:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:30,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:54:30,963 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:54:30,963 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:54:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 22:54:31,200 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:54:31,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-08 22:54:31,200 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:54:31,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 22:54:31,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 22:54:31,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-08 22:54:31,201 INFO L87 Difference]: Start difference. First operand 762 states and 877 transitions. Second operand 16 states. [2018-12-08 22:54:31,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:31,834 INFO L93 Difference]: Finished difference Result 1696 states and 2033 transitions. [2018-12-08 22:54:31,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 22:54:31,834 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 172 [2018-12-08 22:54:31,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:31,837 INFO L225 Difference]: With dead ends: 1696 [2018-12-08 22:54:31,837 INFO L226 Difference]: Without dead ends: 1028 [2018-12-08 22:54:31,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 336 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-12-08 22:54:31,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2018-12-08 22:54:31,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 908. [2018-12-08 22:54:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2018-12-08 22:54:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1057 transitions. [2018-12-08 22:54:31,869 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1057 transitions. Word has length 172 [2018-12-08 22:54:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:31,869 INFO L480 AbstractCegarLoop]: Abstraction has 908 states and 1057 transitions. [2018-12-08 22:54:31,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 22:54:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1057 transitions. [2018-12-08 22:54:31,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-08 22:54:31,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:31,872 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:54:31,872 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:31,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:31,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1628202343, now seen corresponding path program 1 times [2018-12-08 22:54:31,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:31,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:31,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:31,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:31,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 92 proven. 16 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-08 22:54:31,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:54:31,980 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:54:31,981 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 304 with the following transitions: [2018-12-08 22:54:31,981 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [94], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [133], [148], [149], [150], [151], [152], [153], [154], [156], [161], [164], [165], [167], [172], [174], [175], [176], [177], [185], [186], [190], [193], [197], [203], [232], [236], [237], [241], [244], [246], [249], [256], [259], [262], [266], [267], [270], [271], [272], [273], [274], [275], [276], [278], [279], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [330], [331], [332], [334], [335], [336], [337], [340], [341] [2018-12-08 22:54:31,985 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:54:31,985 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:54:32,752 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:54:32,752 INFO L272 AbstractInterpreter]: Visited 141 different actions 641 times. Merged at 15 different actions 42 times. Never widened. Performed 20770 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20770 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-08 22:54:32,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:32,753 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:54:32,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:54:32,754 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/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 [2018-12-08 22:54:32,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:32,760 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:54:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:32,856 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:54:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 212 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-08 22:54:32,994 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:54:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-08 22:54:33,453 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:54:33,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-12-08 22:54:33,453 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:54:33,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 22:54:33,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 22:54:33,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-08 22:54:33,455 INFO L87 Difference]: Start difference. First operand 908 states and 1057 transitions. Second operand 18 states. [2018-12-08 22:54:34,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:34,821 INFO L93 Difference]: Finished difference Result 2398 states and 2962 transitions. [2018-12-08 22:54:34,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-08 22:54:34,822 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 303 [2018-12-08 22:54:34,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:34,825 INFO L225 Difference]: With dead ends: 2398 [2018-12-08 22:54:34,825 INFO L226 Difference]: Without dead ends: 1298 [2018-12-08 22:54:34,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 594 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-12-08 22:54:34,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2018-12-08 22:54:34,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1197. [2018-12-08 22:54:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2018-12-08 22:54:34,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1378 transitions. [2018-12-08 22:54:34,865 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1378 transitions. Word has length 303 [2018-12-08 22:54:34,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:34,865 INFO L480 AbstractCegarLoop]: Abstraction has 1197 states and 1378 transitions. [2018-12-08 22:54:34,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 22:54:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1378 transitions. [2018-12-08 22:54:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-08 22:54:34,869 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:54:34,869 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, 5, 5, 5, 5, 5, 5, 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, 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] [2018-12-08 22:54:34,869 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:54:34,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:34,870 INFO L82 PathProgramCache]: Analyzing trace with hash 451230404, now seen corresponding path program 1 times [2018-12-08 22:54:34,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:54:34,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:34,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:34,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:54:34,870 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:54:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 22:54:35,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:54:35,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:54:35,062 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 388 with the following transitions: [2018-12-08 22:54:35,062 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [57], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [93], [94], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [133], [148], [149], [150], [151], [152], [153], [154], [156], [161], [164], [165], [167], [170], [172], [174], [175], [176], [177], [185], [186], [190], [193], [197], [203], [232], [236], [237], [241], [244], [246], [249], [252], [256], [259], [262], [266], [267], [270], [271], [272], [273], [274], [275], [276], [278], [279], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [308], [309], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [330], [331], [332], [334], [335], [336], [337], [338], [339], [340], [341] [2018-12-08 22:54:35,065 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:54:35,065 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:54:37,297 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:54:37,297 INFO L272 AbstractInterpreter]: Visited 152 different actions 1827 times. Merged at 41 different actions 360 times. Widened at 1 different actions 1 times. Performed 66859 root evaluator evaluations with a maximum evaluation depth of 5. Performed 66859 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 80 fixpoints after 10 different actions. Largest state had 134 variables. [2018-12-08 22:54:37,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:54:37,299 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:54:37,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:54:37,299 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/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 [2018-12-08 22:54:37,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:54:37,305 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:54:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:54:37,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:54:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-12-08 22:54:37,477 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:54:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 22:54:37,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 22:54:37,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-08 22:54:37,789 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:54:37,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 22:54:37,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 22:54:37,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 22:54:37,790 INFO L87 Difference]: Start difference. First operand 1197 states and 1378 transitions. Second operand 6 states. [2018-12-08 22:54:37,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:54:37,822 INFO L93 Difference]: Finished difference Result 1464 states and 1675 transitions. [2018-12-08 22:54:37,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 22:54:37,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 387 [2018-12-08 22:54:37,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:54:37,823 INFO L225 Difference]: With dead ends: 1464 [2018-12-08 22:54:37,823 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 22:54:37,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 769 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-08 22:54:37,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 22:54:37,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 22:54:37,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 22:54:37,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 22:54:37,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2018-12-08 22:54:37,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:54:37,826 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 22:54:37,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 22:54:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 22:54:37,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:54:37,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 22:54:37,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:37,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:37,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:37,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:37,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:37,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:37,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:37,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:37,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:37,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:54:38,479 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-12-08 22:54:38,796 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-12-08 22:54:39,412 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-12-08 22:54:39,890 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 667 674) 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))) [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 667 674) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 667 674) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 675 684) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 675 684) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 675 684) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 707) no Hoare annotation was computed. [2018-12-08 22:54:39,890 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (<= __utac_acc__Specification5_spec__3_~tmp~4 ~waterLevel~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse4))) [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point L693-1(lines 685 713) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L451 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 685 713) the Hoare annotation is: true [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 685 713) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 166 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 166 188) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,891 INFO L444 ceAbstractionStarter]: At program point L178-1(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 183) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 183) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 166 188) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,891 INFO L444 ceAbstractionStarter]: At program point L172-1(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 916 924) no Hoare annotation was computed. [2018-12-08 22:54:39,891 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 916 924) the Hoare annotation is: true [2018-12-08 22:54:39,891 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 916 924) no Hoare annotation was computed. [2018-12-08 22:54:39,892 INFO L448 ceAbstractionStarter]: For program point L989(lines 989 993) no Hoare annotation was computed. [2018-12-08 22:54:39,892 INFO L451 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: true [2018-12-08 22:54:39,892 INFO L448 ceAbstractionStarter]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2018-12-08 22:54:39,892 INFO L448 ceAbstractionStarter]: For program point L987-1(line 987) no Hoare annotation was computed. [2018-12-08 22:54:39,892 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 980 998) the Hoare annotation is: true [2018-12-08 22:54:39,892 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 980 998) no Hoare annotation was computed. [2018-12-08 22:54:39,892 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 980 998) no Hoare annotation was computed. [2018-12-08 22:54:39,892 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-08 22:54:39,892 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-08 22:54:39,892 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,892 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 155 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,892 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 155 165) no Hoare annotation was computed. [2018-12-08 22:54:39,892 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 155 165) no Hoare annotation was computed. [2018-12-08 22:54:39,892 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 905 915) the Hoare annotation is: true [2018-12-08 22:54:39,892 INFO L451 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2018-12-08 22:54:39,892 INFO L448 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2018-12-08 22:54:39,893 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 905 915) no Hoare annotation was computed. [2018-12-08 22:54:39,893 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 905 915) no Hoare annotation was computed. [2018-12-08 22:54:39,893 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 897 904) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-12-08 22:54:39,893 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 897 904) no Hoare annotation was computed. [2018-12-08 22:54:39,893 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 897 904) no Hoare annotation was computed. [2018-12-08 22:54:39,893 INFO L444 ceAbstractionStarter]: At program point L865(line 865) 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))) [2018-12-08 22:54:39,893 INFO L448 ceAbstractionStarter]: For program point L865-1(lines 846 870) no Hoare annotation was computed. [2018-12-08 22:54:39,893 INFO L444 ceAbstractionStarter]: At program point L860(line 860) 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))) [2018-12-08 22:54:39,893 INFO L444 ceAbstractionStarter]: At program point L856(line 856) 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_~tmp~7) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3))) [2018-12-08 22:54:39,893 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 846 870) no Hoare annotation was computed. [2018-12-08 22:54:39,893 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 862) no Hoare annotation was computed. [2018-12-08 22:54:39,894 INFO L444 ceAbstractionStarter]: At program point L852(line 852) 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))) [2018-12-08 22:54:39,894 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 846 870) 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))) [2018-12-08 22:54:39,894 INFO L448 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2018-12-08 22:54:39,894 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 867) no Hoare annotation was computed. [2018-12-08 22:54:39,894 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-12-08 22:54:39,894 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 275 288) no Hoare annotation was computed. [2018-12-08 22:54:39,894 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 275 288) the Hoare annotation is: true [2018-12-08 22:54:39,894 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 275 288) no Hoare annotation was computed. [2018-12-08 22:54:39,894 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 812 818) no Hoare annotation was computed. [2018-12-08 22:54:39,894 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 812 818) the Hoare annotation is: true [2018-12-08 22:54:39,895 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-12-08 22:54:39,895 INFO L444 ceAbstractionStarter]: At program point L768(lines 725 770) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 22:54:39,895 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 715 778) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,895 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2018-12-08 22:54:39,895 INFO L448 ceAbstractionStarter]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2018-12-08 22:54:39,895 INFO L448 ceAbstractionStarter]: For program point L727(lines 727 731) no Hoare annotation was computed. [2018-12-08 22:54:39,895 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 715 778) no Hoare annotation was computed. [2018-12-08 22:54:39,895 INFO L444 ceAbstractionStarter]: At program point L771(lines 724 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:54:39,895 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2018-12-08 22:54:39,895 INFO L444 ceAbstractionStarter]: At program point L761-2(lines 755 766) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-08 22:54:39,895 INFO L448 ceAbstractionStarter]: For program point L726(lines 725 770) no Hoare annotation was computed. [2018-12-08 22:54:39,896 INFO L448 ceAbstractionStarter]: For program point L755(lines 755 766) no Hoare annotation was computed. [2018-12-08 22:54:39,896 INFO L444 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-08 22:54:39,896 INFO L448 ceAbstractionStarter]: For program point L745(lines 745 751) no Hoare annotation was computed. [2018-12-08 22:54:39,896 INFO L448 ceAbstractionStarter]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2018-12-08 22:54:39,896 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 715 778) no Hoare annotation was computed. [2018-12-08 22:54:39,896 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 871 878) 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))) [2018-12-08 22:54:39,896 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 871 878) no Hoare annotation was computed. [2018-12-08 22:54:39,896 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 871 878) no Hoare annotation was computed. [2018-12-08 22:54:39,896 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 289 297) no Hoare annotation was computed. [2018-12-08 22:54:39,896 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 289 297) the Hoare annotation is: true [2018-12-08 22:54:39,896 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 289 297) no Hoare annotation was computed. [2018-12-08 22:54:39,896 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:54:39,897 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 22:54:39,897 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:54:39,897 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 896) no Hoare annotation was computed. [2018-12-08 22:54:39,897 INFO L444 ceAbstractionStarter]: At program point L891(line 891) 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))) [2018-12-08 22:54:39,897 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 880 896) no Hoare annotation was computed. [2018-12-08 22:54:39,897 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 896) 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))) [2018-12-08 22:54:39,897 INFO L448 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2018-12-08 22:54:39,897 INFO L444 ceAbstractionStarter]: At program point L885(line 885) 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))) [2018-12-08 22:54:39,897 INFO L448 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2018-12-08 22:54:39,897 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 961 979) no Hoare annotation was computed. [2018-12-08 22:54:39,897 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 974) no Hoare annotation was computed. [2018-12-08 22:54:39,897 INFO L451 ceAbstractionStarter]: At program point L968(line 968) the Hoare annotation is: true [2018-12-08 22:54:39,898 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2018-12-08 22:54:39,898 INFO L448 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2018-12-08 22:54:39,898 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 961 979) the Hoare annotation is: true [2018-12-08 22:54:39,898 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 961 979) no Hoare annotation was computed. [2018-12-08 22:54:39,898 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 266 274) the Hoare annotation is: true [2018-12-08 22:54:39,898 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 266 274) no Hoare annotation was computed. [2018-12-08 22:54:39,898 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 266 274) no Hoare annotation was computed. [2018-12-08 22:54:39,898 INFO L448 ceAbstractionStarter]: For program point L226-1(lines 222 233) no Hoare annotation was computed. [2018-12-08 22:54:39,898 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 222 233) the Hoare annotation is: true [2018-12-08 22:54:39,898 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 222 233) no Hoare annotation was computed. [2018-12-08 22:54:39,898 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 234 242) the Hoare annotation is: true [2018-12-08 22:54:39,898 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 234 242) no Hoare annotation was computed. [2018-12-08 22:54:39,898 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 234 242) no Hoare annotation was computed. [2018-12-08 22:54:39,899 INFO L444 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-12-08 22:54:39,899 INFO L444 ceAbstractionStarter]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-12-08 22:54:39,899 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-08 22:54:39,899 INFO L448 ceAbstractionStarter]: For program point L792(lines 788 810) no Hoare annotation was computed. [2018-12-08 22:54:39,899 INFO L448 ceAbstractionStarter]: For program point L790(lines 788 810) no Hoare annotation was computed. [2018-12-08 22:54:39,899 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 785 811) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-12-08 22:54:39,899 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 785 811) no Hoare annotation was computed. [2018-12-08 22:54:39,899 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 785 811) no Hoare annotation was computed. [2018-12-08 22:54:39,899 INFO L451 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2018-12-08 22:54:39,899 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2018-12-08 22:54:39,900 INFO L451 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-12-08 22:54:39,900 INFO L448 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-12-08 22:54:39,900 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2018-12-08 22:54:39,900 INFO L451 ceAbstractionStarter]: At program point L114(lines 89 118) the Hoare annotation is: true [2018-12-08 22:54:39,900 INFO L448 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-12-08 22:54:39,900 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-12-08 22:54:39,900 INFO L451 ceAbstractionStarter]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2018-12-08 22:54:39,900 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 22:54:39,900 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 198 209) 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)) [2018-12-08 22:54:39,900 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 198 209) no Hoare annotation was computed. [2018-12-08 22:54:39,900 INFO L448 ceAbstractionStarter]: For program point L202-1(lines 198 209) no Hoare annotation was computed. [2018-12-08 22:54:39,900 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2018-12-08 22:54:39,900 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2018-12-08 22:54:39,900 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:54:39,901 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)) [2018-12-08 22:54:39,901 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:54:39,901 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:54:39,901 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 820 844) 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))) [2018-12-08 22:54:39,901 INFO L444 ceAbstractionStarter]: At program point L830(line 830) 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))))))) [2018-12-08 22:54:39,901 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 836) no Hoare annotation was computed. [2018-12-08 22:54:39,901 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 820 844) no Hoare annotation was computed. [2018-12-08 22:54:39,901 INFO L444 ceAbstractionStarter]: At program point L826(line 826) 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))) [2018-12-08 22:54:39,901 INFO L448 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2018-12-08 22:54:39,901 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 841) no Hoare annotation was computed. [2018-12-08 22:54:39,902 INFO L444 ceAbstractionStarter]: At program point L839(line 839) 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))))) [2018-12-08 22:54:39,902 INFO L448 ceAbstractionStarter]: For program point L839-1(lines 820 844) no Hoare annotation was computed. [2018-12-08 22:54:39,902 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse0 .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-08 22:54:39,902 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 210 221) no Hoare annotation was computed. [2018-12-08 22:54:39,902 INFO L448 ceAbstractionStarter]: For program point L214-1(lines 210 221) no Hoare annotation was computed. [2018-12-08 22:54:39,902 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 210 221) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-08 22:54:39,902 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-08 22:54:39,902 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 22:54:39,902 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-08 22:54:39,902 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-08 22:54:39,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:54:39 BoogieIcfgContainer [2018-12-08 22:54:39,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:54:39,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:54:39,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:54:39,913 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:54:39,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:54:26" (3/4) ... [2018-12-08 22:54:39,916 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:54:39,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 22:54:39,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 22:54:39,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 22:54:39,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 22:54:39,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 22:54:39,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 22:54:39,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 22:54:39,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 22:54:39,928 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-08 22:54:39,929 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 22:54:39,929 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 22:54:39,929 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 22:54:39,929 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 22:54:39,930 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:54:39,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-08 22:54:39,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-08 22:54:39,974 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0aa06b10-b573-4be5-b8bd-842caf5381b6/bin-2019/utaipan/witness.graphml [2018-12-08 22:54:39,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:54:39,974 INFO L168 Benchmark]: Toolchain (without parser) took 13801.32 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -59.0 MB). Peak memory consumption was 954.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:54:39,975 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:54:39,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:54:39,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:54:39,975 INFO L168 Benchmark]: Boogie Preprocessor took 23.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:54:39,976 INFO L168 Benchmark]: RCFGBuilder took 390.28 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-12-08 22:54:39,976 INFO L168 Benchmark]: TraceAbstraction took 13016.78 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 869.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.0 MB). Peak memory consumption was 938.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:54:39,976 INFO L168 Benchmark]: Witness Printer took 61.49 ms. Allocated memory is still 2.0 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:54:39,977 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.74 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 390.28 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13016.78 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 869.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.0 MB). Peak memory consumption was 938.8 MB. Max. memory is 11.5 GB. * Witness Printer took 61.49 ms. Allocated memory is still 2.0 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 166 locations, 1 error locations. SAFE Result, 12.9s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2412 SDtfs, 2416 SDslu, 7259 SDs, 0 SdLazy, 5741 SolverSat, 1206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1911 GetRequests, 1743 SyntacticMatches, 21 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1197occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.1s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 344 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1873 PreInvPairs, 1944 NumberOfFragments, 1663 HoareAnnotationTreeSize, 1873 FomulaSimplifications, 9624 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 13355 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2507 NumberOfCodeBlocks, 2507 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3351 ConstructedInterpolants, 0 QuantifiedInterpolants, 1145921 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3633 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2554/2667 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...