./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 712263c6c933aaef268a48b623f3b4ee6fd9ad4b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:27:21,719 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:27:21,721 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:27:21,728 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:27:21,728 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:27:21,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:27:21,730 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:27:21,731 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:27:21,732 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:27:21,733 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:27:21,734 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:27:21,734 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:27:21,735 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:27:21,735 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:27:21,736 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:27:21,737 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:27:21,737 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:27:21,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:27:21,740 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:27:21,741 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:27:21,742 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:27:21,743 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:27:21,745 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:27:21,745 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:27:21,745 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:27:21,746 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:27:21,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:27:21,747 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:27:21,748 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:27:21,748 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:27:21,749 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:27:21,749 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:27:21,749 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:27:21,749 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:27:21,750 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:27:21,751 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:27:21,751 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:27:21,761 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:27:21,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:27:21,762 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:27:21,762 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:27:21,763 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:27:21,763 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:27:21,763 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:27:21,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:27:21,763 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:27:21,763 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:27:21,764 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:27:21,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:27:21,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:27:21,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:27:21,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:27:21,764 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:27:21,764 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:27:21,765 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:27:21,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:27:21,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:27:21,765 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:27:21,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:27:21,765 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:27:21,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:27:21,766 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:27:21,766 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:27:21,766 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:27:21,766 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:27:21,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:27:21,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:27:21,766 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2018-11-23 08:27:21,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:27:21,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:27:21,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:27:21,801 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:27:21,802 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:27:21,802 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c [2018-11-23 08:27:21,839 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/data/8219abbc9/cecb197263f94593aabaee40f5c44a30/FLAG14f97dc5c [2018-11-23 08:27:22,211 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:27:22,212 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c [2018-11-23 08:27:22,219 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/data/8219abbc9/cecb197263f94593aabaee40f5c44a30/FLAG14f97dc5c [2018-11-23 08:27:22,612 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/data/8219abbc9/cecb197263f94593aabaee40f5c44a30 [2018-11-23 08:27:22,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:27:22,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:27:22,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:27:22,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:27:22,619 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:27:22,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:22,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4dc4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22, skipping insertion in model container [2018-11-23 08:27:22,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:22,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:27:22,656 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:27:22,850 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:27:22,859 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:27:22,963 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:27:22,981 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:27:22,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22 WrapperNode [2018-11-23 08:27:22,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:27:22,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:27:22,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:27:22,982 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:27:22,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:22,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:23,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:27:23,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:27:23,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:27:23,004 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:27:23,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:23,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:23,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:23,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:23,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:23,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:23,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... [2018-11-23 08:27:23,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:27:23,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:27:23,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:27:23,033 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:27:23,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:27:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 08:27:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 08:27:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 08:27:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 08:27:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:27:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:27:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 08:27:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 08:27:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:27:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 08:27:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 08:27:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 08:27:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 08:27:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 08:27:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 08:27:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 08:27:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 08:27:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 08:27:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 08:27:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 08:27:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 08:27:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 08:27:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 08:27:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 08:27:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 08:27:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 08:27:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 08:27:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 08:27:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 08:27:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 08:27:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 08:27:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 08:27:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 08:27:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 08:27:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 08:27:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 08:27:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 08:27:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 08:27:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 08:27:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 08:27:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 08:27:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 08:27:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 08:27:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 08:27:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 08:27:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 08:27:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 08:27:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:27:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:27:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:27:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 08:27:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 08:27:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 08:27:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 08:27:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:27:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:27:23,466 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:27:23,466 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 08:27:23,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:23 BoogieIcfgContainer [2018-11-23 08:27:23,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:27:23,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:27:23,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:27:23,469 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:27:23,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:27:22" (1/3) ... [2018-11-23 08:27:23,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df4c4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:27:23, skipping insertion in model container [2018-11-23 08:27:23,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22" (2/3) ... [2018-11-23 08:27:23,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df4c4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:27:23, skipping insertion in model container [2018-11-23 08:27:23,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:23" (3/3) ... [2018-11-23 08:27:23,471 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49_true-unreach-call_false-termination.cil.c [2018-11-23 08:27:23,477 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:27:23,486 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:27:23,495 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:27:23,516 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:27:23,516 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:27:23,516 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:27:23,517 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:27:23,517 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:27:23,517 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:27:23,517 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:27:23,517 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:27:23,517 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:27:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-23 08:27:23,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 08:27:23,537 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:23,538 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:23,540 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:23,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:23,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1018444604, now seen corresponding path program 1 times [2018-11-23 08:27:23,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:23,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:23,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:23,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:23,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:27:23,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:27:23,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:27:23,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:27:23,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:27:23,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:27:23,734 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-23 08:27:23,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:23,760 INFO L93 Difference]: Finished difference Result 256 states and 317 transitions. [2018-11-23 08:27:23,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:27:23,762 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 08:27:23,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:23,770 INFO L225 Difference]: With dead ends: 256 [2018-11-23 08:27:23,771 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 08:27:23,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:27:23,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 08:27:23,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 08:27:23,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 08:27:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2018-11-23 08:27:23,810 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 46 [2018-11-23 08:27:23,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:23,811 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2018-11-23 08:27:23,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:27:23,811 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2018-11-23 08:27:23,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 08:27:23,814 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:23,814 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:23,814 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:23,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:23,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1966963140, now seen corresponding path program 1 times [2018-11-23 08:27:23,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:23,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:23,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:23,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:23,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:27:23,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:27:23,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:27:23,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:27:23,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:27:23,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:27:23,898 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 3 states. [2018-11-23 08:27:23,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:23,915 INFO L93 Difference]: Finished difference Result 205 states and 239 transitions. [2018-11-23 08:27:23,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:27:23,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 08:27:23,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:23,917 INFO L225 Difference]: With dead ends: 205 [2018-11-23 08:27:23,918 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 08:27:23,919 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:27:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 08:27:23,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 08:27:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 08:27:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2018-11-23 08:27:23,929 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 47 [2018-11-23 08:27:23,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:23,930 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2018-11-23 08:27:23,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:27:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2018-11-23 08:27:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 08:27:23,931 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:23,931 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:23,932 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:23,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:23,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1731407841, now seen corresponding path program 1 times [2018-11-23 08:27:23,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:23,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:23,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:23,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:23,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:27:24,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:27:24,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:27:24,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:27:24,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:27:24,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:27:24,035 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 7 states. [2018-11-23 08:27:24,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:24,251 INFO L93 Difference]: Finished difference Result 214 states and 253 transitions. [2018-11-23 08:27:24,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:27:24,251 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 08:27:24,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:24,253 INFO L225 Difference]: With dead ends: 214 [2018-11-23 08:27:24,253 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 08:27:24,254 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 [2018-11-23 08:27:24,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 08:27:24,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 08:27:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 08:27:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2018-11-23 08:27:24,264 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 51 [2018-11-23 08:27:24,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:24,264 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2018-11-23 08:27:24,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:27:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2018-11-23 08:27:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 08:27:24,266 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:24,266 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:24,267 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:24,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:24,267 INFO L82 PathProgramCache]: Analyzing trace with hash -131190691, now seen corresponding path program 1 times [2018-11-23 08:27:24,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:24,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:24,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:24,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:24,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:24,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:27:24,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:27:24,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:27:24,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:27:24,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:27:24,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:27:24,372 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 5 states. [2018-11-23 08:27:24,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:24,889 INFO L93 Difference]: Finished difference Result 308 states and 371 transitions. [2018-11-23 08:27:24,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:27:24,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-23 08:27:24,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:24,892 INFO L225 Difference]: With dead ends: 308 [2018-11-23 08:27:24,892 INFO L226 Difference]: Without dead ends: 213 [2018-11-23 08:27:24,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:27:24,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-11-23 08:27:24,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 195. [2018-11-23 08:27:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-23 08:27:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 222 transitions. [2018-11-23 08:27:24,917 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 222 transitions. Word has length 64 [2018-11-23 08:27:24,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:24,918 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 222 transitions. [2018-11-23 08:27:24,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:27:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 222 transitions. [2018-11-23 08:27:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 08:27:24,920 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:24,920 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:24,920 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:24,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:24,920 INFO L82 PathProgramCache]: Analyzing trace with hash 660572567, now seen corresponding path program 1 times [2018-11-23 08:27:24,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:24,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:24,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:24,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:24,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:25,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:27:25,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:27:25,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 08:27:25,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 08:27:25,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 08:27:25,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:27:25,015 INFO L87 Difference]: Start difference. First operand 195 states and 222 transitions. Second operand 8 states. [2018-11-23 08:27:25,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:25,049 INFO L93 Difference]: Finished difference Result 373 states and 437 transitions. [2018-11-23 08:27:25,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:27:25,050 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2018-11-23 08:27:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:25,052 INFO L225 Difference]: With dead ends: 373 [2018-11-23 08:27:25,052 INFO L226 Difference]: Without dead ends: 202 [2018-11-23 08:27:25,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:27:25,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-11-23 08:27:25,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 199. [2018-11-23 08:27:25,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-11-23 08:27:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 226 transitions. [2018-11-23 08:27:25,067 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 226 transitions. Word has length 78 [2018-11-23 08:27:25,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:25,067 INFO L480 AbstractCegarLoop]: Abstraction has 199 states and 226 transitions. [2018-11-23 08:27:25,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 08:27:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 226 transitions. [2018-11-23 08:27:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 08:27:25,069 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:25,069 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:25,070 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:25,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:25,070 INFO L82 PathProgramCache]: Analyzing trace with hash -725630827, now seen corresponding path program 1 times [2018-11-23 08:27:25,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:25,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:25,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:25,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:25,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:27:25,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:27:25,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 08:27:25,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:27:25,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:27:25,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:27:25,187 INFO L87 Difference]: Start difference. First operand 199 states and 226 transitions. Second operand 10 states. [2018-11-23 08:27:25,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:25,598 INFO L93 Difference]: Finished difference Result 626 states and 778 transitions. [2018-11-23 08:27:25,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 08:27:25,598 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2018-11-23 08:27:25,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:25,601 INFO L225 Difference]: With dead ends: 626 [2018-11-23 08:27:25,601 INFO L226 Difference]: Without dead ends: 451 [2018-11-23 08:27:25,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:27:25,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-11-23 08:27:25,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 441. [2018-11-23 08:27:25,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-11-23 08:27:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 519 transitions. [2018-11-23 08:27:25,625 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 519 transitions. Word has length 78 [2018-11-23 08:27:25,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:25,626 INFO L480 AbstractCegarLoop]: Abstraction has 441 states and 519 transitions. [2018-11-23 08:27:25,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:27:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 519 transitions. [2018-11-23 08:27:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:27:25,628 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:25,628 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:25,628 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:25,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:25,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1215725087, now seen corresponding path program 1 times [2018-11-23 08:27:25,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:25,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:25,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:25,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:25,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:27:25,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:27:25,720 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:27:25,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:25,841 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:27:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:27:26,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:27:26,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-23 08:27:26,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 08:27:26,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 08:27:26,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-23 08:27:26,016 INFO L87 Difference]: Start difference. First operand 441 states and 519 transitions. Second operand 12 states. [2018-11-23 08:27:27,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:27,252 INFO L93 Difference]: Finished difference Result 1134 states and 1494 transitions. [2018-11-23 08:27:27,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 08:27:27,253 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2018-11-23 08:27:27,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:27,256 INFO L225 Difference]: With dead ends: 1134 [2018-11-23 08:27:27,256 INFO L226 Difference]: Without dead ends: 717 [2018-11-23 08:27:27,258 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-23 08:27:27,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-11-23 08:27:27,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 648. [2018-11-23 08:27:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2018-11-23 08:27:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 786 transitions. [2018-11-23 08:27:27,305 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 786 transitions. Word has length 132 [2018-11-23 08:27:27,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:27,305 INFO L480 AbstractCegarLoop]: Abstraction has 648 states and 786 transitions. [2018-11-23 08:27:27,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 08:27:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 786 transitions. [2018-11-23 08:27:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:27:27,308 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:27,308 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:27,308 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:27,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:27,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1834426404, now seen corresponding path program 1 times [2018-11-23 08:27:27,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:27,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:27,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:27,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:27,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 08:27:27,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:27:27,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:27:27,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:27:27,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:27:27,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:27:27,389 INFO L87 Difference]: Start difference. First operand 648 states and 786 transitions. Second operand 6 states. [2018-11-23 08:27:27,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:27,460 INFO L93 Difference]: Finished difference Result 1228 states and 1512 transitions. [2018-11-23 08:27:27,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:27:27,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-11-23 08:27:27,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:27,465 INFO L225 Difference]: With dead ends: 1228 [2018-11-23 08:27:27,466 INFO L226 Difference]: Without dead ends: 663 [2018-11-23 08:27:27,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:27:27,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2018-11-23 08:27:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2018-11-23 08:27:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2018-11-23 08:27:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 801 transitions. [2018-11-23 08:27:27,503 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 801 transitions. Word has length 132 [2018-11-23 08:27:27,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:27,503 INFO L480 AbstractCegarLoop]: Abstraction has 663 states and 801 transitions. [2018-11-23 08:27:27,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:27:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 801 transitions. [2018-11-23 08:27:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:27:27,505 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:27,505 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:27,505 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:27,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:27,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1324953314, now seen corresponding path program 1 times [2018-11-23 08:27:27,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:27,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:27,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:27,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:27,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 08:27:27,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:27:27,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:27:27,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:27:27,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:27:27,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:27:27,577 INFO L87 Difference]: Start difference. First operand 663 states and 801 transitions. Second operand 6 states. [2018-11-23 08:27:27,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:27,722 INFO L93 Difference]: Finished difference Result 680 states and 820 transitions. [2018-11-23 08:27:27,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:27:27,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-11-23 08:27:27,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:27,727 INFO L225 Difference]: With dead ends: 680 [2018-11-23 08:27:27,727 INFO L226 Difference]: Without dead ends: 677 [2018-11-23 08:27:27,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:27:27,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2018-11-23 08:27:27,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 663. [2018-11-23 08:27:27,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2018-11-23 08:27:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 797 transitions. [2018-11-23 08:27:27,765 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 797 transitions. Word has length 132 [2018-11-23 08:27:27,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:27,766 INFO L480 AbstractCegarLoop]: Abstraction has 663 states and 797 transitions. [2018-11-23 08:27:27,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:27:27,766 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 797 transitions. [2018-11-23 08:27:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 08:27:27,767 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:27,767 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:27,767 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:27,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:27,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1565711897, now seen corresponding path program 1 times [2018-11-23 08:27:27,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:27,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:27,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:27,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:27,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 08:27:27,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:27:27,874 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:27:27,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:27,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:27:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:27:28,084 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:27:28,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-23 08:27:28,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 08:27:28,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 08:27:28,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 08:27:28,086 INFO L87 Difference]: Start difference. First operand 663 states and 797 transitions. Second operand 14 states. [2018-11-23 08:27:29,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:29,500 INFO L93 Difference]: Finished difference Result 1419 states and 1803 transitions. [2018-11-23 08:27:29,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 08:27:29,500 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 136 [2018-11-23 08:27:29,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:29,504 INFO L225 Difference]: With dead ends: 1419 [2018-11-23 08:27:29,504 INFO L226 Difference]: Without dead ends: 839 [2018-11-23 08:27:29,508 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 08:27:29,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-11-23 08:27:29,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 719. [2018-11-23 08:27:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-11-23 08:27:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 852 transitions. [2018-11-23 08:27:29,548 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 852 transitions. Word has length 136 [2018-11-23 08:27:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:29,549 INFO L480 AbstractCegarLoop]: Abstraction has 719 states and 852 transitions. [2018-11-23 08:27:29,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 08:27:29,549 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 852 transitions. [2018-11-23 08:27:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 08:27:29,553 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:29,553 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:29,553 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:29,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:29,553 INFO L82 PathProgramCache]: Analyzing trace with hash -2137984310, now seen corresponding path program 1 times [2018-11-23 08:27:29,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:27:29,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:27:29,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:29,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:29,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:29,663 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 08:27:29,664 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:27:29,664 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:27:29,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:29,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:27:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 08:27:29,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:27:29,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 08:27:29,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 08:27:29,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 08:27:29,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:27:29,888 INFO L87 Difference]: Start difference. First operand 719 states and 852 transitions. Second operand 13 states. [2018-11-23 08:27:29,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:29,956 INFO L93 Difference]: Finished difference Result 949 states and 1128 transitions. [2018-11-23 08:27:29,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:27:29,957 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 189 [2018-11-23 08:27:29,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:29,958 INFO L225 Difference]: With dead ends: 949 [2018-11-23 08:27:29,958 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:27:29,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 08:27:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:27:29,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:27:29,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:27:29,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:27:29,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2018-11-23 08:27:29,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:29,961 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:27:29,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 08:27:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:27:29,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:27:29,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:27:30,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:27:30,411 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2018-11-23 08:27:31,281 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 546 552) the Hoare annotation is: true [2018-11-23 08:27:31,282 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 546 552) no Hoare annotation was computed. [2018-11-23 08:27:31,282 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 553 561) no Hoare annotation was computed. [2018-11-23 08:27:31,282 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 553 561) the Hoare annotation is: true [2018-11-23 08:27:31,282 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 553 561) no Hoare annotation was computed. [2018-11-23 08:27:31,282 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-23 08:27:31,282 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-11-23 08:27:31,282 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 563 587) the Hoare annotation is: true [2018-11-23 08:27:31,282 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-23 08:27:31,282 INFO L448 ceAbstractionStarter]: For program point L573-1(line 573) no Hoare annotation was computed. [2018-11-23 08:27:31,282 INFO L448 ceAbstractionStarter]: For program point L571(lines 571 584) no Hoare annotation was computed. [2018-11-23 08:27:31,282 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 563 587) no Hoare annotation was computed. [2018-11-23 08:27:31,282 INFO L451 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: true [2018-11-23 08:27:31,282 INFO L448 ceAbstractionStarter]: For program point L569-1(line 569) no Hoare annotation was computed. [2018-11-23 08:27:31,282 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 563 587) no Hoare annotation was computed. [2018-11-23 08:27:31,282 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:27:31,282 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:27:31,282 INFO L444 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:27:31,283 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:27:31,283 INFO L444 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 379 387) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 379 387) the Hoare annotation is: true [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 379 387) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 539 545) no Hoare annotation was computed. [2018-11-23 08:27:31,283 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 539 545) the Hoare annotation is: true [2018-11-23 08:27:31,283 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:27:31,283 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 360 367) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 360 367) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 360 367) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L444 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 327 351) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 08:27:31,284 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 327 351) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 08:27:31,284 INFO L444 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 343) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 348) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 293 299) no Hoare annotation was computed. [2018-11-23 08:27:31,284 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 293 299) the Hoare annotation is: true [2018-11-23 08:27:31,284 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 463 526) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:27:31,284 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 463 526) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L444 ceAbstractionStarter]: At program point L519(lines 472 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 513) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L444 ceAbstractionStarter]: At program point L509-2(lines 503 514) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point L474(lines 473 518) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point L503(lines 503 514) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 499) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 493 499) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L444 ceAbstractionStarter]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 08:27:31,285 INFO L444 ceAbstractionStarter]: At program point L516(lines 473 518) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 489) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 463 526) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 483 489) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:27:31,285 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 352 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 437) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 424 442) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L451 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: true [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point L431-1(line 431) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 424 442) the Hoare annotation is: true [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 424 442) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 127 135) the Hoare annotation is: true [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L444 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-23 08:27:31,286 INFO L444 ceAbstractionStarter]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (<= 2 |old(~waterLevel~0)|) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0 (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (not (= |old(~pumpRunning~0)| 0)) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1 (or (< |old(~waterLevel~0)| 2) .cse0)))) [2018-11-23 08:27:31,286 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point L273(lines 272 291) no Hoare annotation was computed. [2018-11-23 08:27:31,286 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 269 292) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-23 08:27:31,286 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 269 292) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 269 292) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-11-23 08:27:31,287 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-11-23 08:27:31,287 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-23 08:27:31,287 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:27:31,287 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 301 325) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 08:27:31,287 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 08:27:31,287 INFO L448 ceAbstractionStarter]: For program point L320-1(lines 301 325) no Hoare annotation was computed. [2018-11-23 08:27:31,288 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 301 325) no Hoare annotation was computed. [2018-11-23 08:27:31,288 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 08:27:31,288 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 08:27:31,288 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 317) no Hoare annotation was computed. [2018-11-23 08:27:31,288 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 08:27:31,288 INFO L448 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2018-11-23 08:27:31,288 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 322) no Hoare annotation was computed. [2018-11-23 08:27:31,288 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-11-23 08:27:31,288 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-11-23 08:27:31,288 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-23 08:27:31,288 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 08:27:31,288 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 08:27:31,288 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 08:27:31,288 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 08:27:31,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:27:31 BoogieIcfgContainer [2018-11-23 08:27:31,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:27:31,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:27:31,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:27:31,298 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:27:31,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:23" (3/4) ... [2018-11-23 08:27:31,302 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 08:27:31,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 08:27:31,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 08:27:31,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 08:27:31,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 08:27:31,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 08:27:31,314 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 08:27:31,315 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 08:27:31,315 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 08:27:31,315 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:27:31,316 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:27:31,316 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:27:31,316 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:27:31,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 08:27:31,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 08:27:31,376 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_13d06b85-a887-4776-80c1-c8ebe116577a/bin-2019/uautomizer/witness.graphml [2018-11-23 08:27:31,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:27:31,377 INFO L168 Benchmark]: Toolchain (without parser) took 8761.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 394.8 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -255.7 MB). Peak memory consumption was 139.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:31,377 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:27:31,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:31,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:27:31,378 INFO L168 Benchmark]: Boogie Preprocessor took 28.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:31,378 INFO L168 Benchmark]: RCFGBuilder took 433.22 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: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:31,378 INFO L168 Benchmark]: TraceAbstraction took 7830.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -147.4 MB). Peak memory consumption was 429.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:31,379 INFO L168 Benchmark]: Witness Printer took 78.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:31,380 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.40 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 28.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 433.22 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: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7830.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -147.4 MB). Peak memory consumption was 429.4 MB. Max. memory is 11.5 GB. * Witness Printer took 78.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: (((((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1714 SDtfs, 1905 SDslu, 5441 SDs, 0 SdLazy, 4252 SolverSat, 965 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 611 GetRequests, 490 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=719occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 234 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1361 PreInvPairs, 1406 NumberOfFragments, 836 HoareAnnotationTreeSize, 1361 FomulaSimplifications, 2877 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 4615 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1542 NumberOfCodeBlocks, 1542 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1528 ConstructedInterpolants, 0 QuantifiedInterpolants, 283326 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2550 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 344/370 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...