./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/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 8aa13c479cead5ea7576ebfa7eb0df26504503d1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:50:16,112 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:50:16,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:50:16,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:50:16,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:50:16,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:50:16,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:50:16,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:50:16,121 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:50:16,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:50:16,122 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:50:16,122 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:50:16,123 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:50:16,123 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:50:16,124 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:50:16,124 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:50:16,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:50:16,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:50:16,126 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:50:16,127 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:50:16,127 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:50:16,128 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:50:16,129 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:50:16,129 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:50:16,129 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:50:16,130 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:50:16,130 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:50:16,131 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:50:16,131 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:50:16,132 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:50:16,132 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:50:16,132 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:50:16,132 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:50:16,132 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:50:16,133 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:50:16,133 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:50:16,133 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 06:50:16,140 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:50:16,140 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:50:16,141 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:50:16,141 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:50:16,141 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:50:16,141 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:50:16,141 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 06:50:16,142 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:50:16,142 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:50:16,143 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:50:16,143 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:50:16,143 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:50:16,143 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:50:16,143 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:50:16,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:50:16,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:50:16,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:50:16,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:50:16,143 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 06:50:16,144 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:50:16,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:50:16,144 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_1e08e228-2046-46f7-a9c8-569729382992/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 -> 8aa13c479cead5ea7576ebfa7eb0df26504503d1 [2018-12-02 06:50:16,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:50:16,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:50:16,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:50:16,169 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:50:16,170 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:50:16,170 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-12-02 06:50:16,203 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/data/2f0dbc2c5/51d0993c12854220875356c506395a65/FLAGcb5835852 [2018-12-02 06:50:16,644 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:50:16,644 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-12-02 06:50:16,651 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/data/2f0dbc2c5/51d0993c12854220875356c506395a65/FLAGcb5835852 [2018-12-02 06:50:16,659 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/data/2f0dbc2c5/51d0993c12854220875356c506395a65 [2018-12-02 06:50:16,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:50:16,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:50:16,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:50:16,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:50:16,664 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:50:16,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16, skipping insertion in model container [2018-12-02 06:50:16,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:50:16,691 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:50:16,838 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:50:16,877 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:50:16,918 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:50:16,932 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:50:16,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16 WrapperNode [2018-12-02 06:50:16,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:50:16,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:50:16,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:50:16,933 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:50:16,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:50:16,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:50:16,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:50:16,953 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:50:16,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... [2018-12-02 06:50:16,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:50:16,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:50:16,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:50:16,976 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:50:16,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/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 [2018-12-02 06:50:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 06:50:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 06:50:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:50:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:50:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 06:50:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 06:50:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 06:50:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 06:50:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:50:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 06:50:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 06:50:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 06:50:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 06:50:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 06:50:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 06:50:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 06:50:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 06:50:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 06:50:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 06:50:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 06:50:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 06:50:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 06:50:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 06:50:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 06:50:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 06:50:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 06:50:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 06:50:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 06:50:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 06:50:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 06:50:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 06:50:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 06:50:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 06:50:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 06:50:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 06:50:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 06:50:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 06:50:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 06:50:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 06:50:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 06:50:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 06:50:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 06:50:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 06:50:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 06:50:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 06:50:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 06:50:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 06:50:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 06:50:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 06:50:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 06:50:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 06:50:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 06:50:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 06:50:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:50:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:50:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:50:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 06:50:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 06:50:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 06:50:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 06:50:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:50:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:50:17,305 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:50:17,306 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 06:50:17,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:50:17 BoogieIcfgContainer [2018-12-02 06:50:17,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:50:17,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:50:17,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:50:17,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:50:17,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:50:16" (1/3) ... [2018-12-02 06:50:17,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f88d3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:50:17, skipping insertion in model container [2018-12-02 06:50:17,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:16" (2/3) ... [2018-12-02 06:50:17,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f88d3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:50:17, skipping insertion in model container [2018-12-02 06:50:17,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:50:17" (3/3) ... [2018-12-02 06:50:17,311 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-12-02 06:50:17,317 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:50:17,322 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:50:17,332 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:50:17,351 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 06:50:17,351 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:50:17,351 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:50:17,352 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:50:17,352 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:50:17,352 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:50:17,352 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:50:17,352 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:50:17,352 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:50:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-12-02 06:50:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 06:50:17,370 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:17,371 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] [2018-12-02 06:50:17,372 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:17,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:17,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1920948465, now seen corresponding path program 1 times [2018-12-02 06:50:17,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:17,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:17,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:17,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:17,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:17,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:17,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:50:17,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 06:50:17,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 06:50:17,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 06:50:17,534 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-12-02 06:50:17,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:17,556 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2018-12-02 06:50:17,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 06:50:17,557 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 06:50:17,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:17,564 INFO L225 Difference]: With dead ends: 282 [2018-12-02 06:50:17,564 INFO L226 Difference]: Without dead ends: 143 [2018-12-02 06:50:17,566 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 06:50:17,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-02 06:50:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-02 06:50:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-02 06:50:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-12-02 06:50:17,598 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 51 [2018-12-02 06:50:17,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:17,598 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-12-02 06:50:17,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 06:50:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-12-02 06:50:17,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 06:50:17,600 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:17,600 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:17,600 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:17,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:17,601 INFO L82 PathProgramCache]: Analyzing trace with hash 144578230, now seen corresponding path program 1 times [2018-12-02 06:50:17,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:17,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:17,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:17,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:17,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:17,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:17,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:50:17,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:50:17,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:50:17,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:50:17,662 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2018-12-02 06:50:17,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:17,675 INFO L93 Difference]: Finished difference Result 221 states and 259 transitions. [2018-12-02 06:50:17,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:50:17,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 06:50:17,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:17,677 INFO L225 Difference]: With dead ends: 221 [2018-12-02 06:50:17,677 INFO L226 Difference]: Without dead ends: 134 [2018-12-02 06:50:17,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:50:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-02 06:50:17,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-02 06:50:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-02 06:50:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2018-12-02 06:50:17,686 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 52 [2018-12-02 06:50:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:17,686 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2018-12-02 06:50:17,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:50:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2018-12-02 06:50:17,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 06:50:17,687 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:17,687 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:17,688 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:17,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:17,688 INFO L82 PathProgramCache]: Analyzing trace with hash -373686663, now seen corresponding path program 1 times [2018-12-02 06:50:17,688 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:17,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:17,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:17,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:17,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:17,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:17,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:50:17,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:50:17,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:50:17,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:50:17,761 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 7 states. [2018-12-02 06:50:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:18,020 INFO L93 Difference]: Finished difference Result 397 states and 482 transitions. [2018-12-02 06:50:18,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:50:18,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 06:50:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:18,023 INFO L225 Difference]: With dead ends: 397 [2018-12-02 06:50:18,023 INFO L226 Difference]: Without dead ends: 291 [2018-12-02 06:50:18,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:50:18,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-12-02 06:50:18,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 279. [2018-12-02 06:50:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-02 06:50:18,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 338 transitions. [2018-12-02 06:50:18,050 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 338 transitions. Word has length 57 [2018-12-02 06:50:18,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:18,051 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 338 transitions. [2018-12-02 06:50:18,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:50:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 338 transitions. [2018-12-02 06:50:18,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 06:50:18,053 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:18,053 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] [2018-12-02 06:50:18,053 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:18,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:18,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1373126477, now seen corresponding path program 1 times [2018-12-02 06:50:18,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:18,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:18,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:18,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:18,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:18,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:18,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:50:18,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:50:18,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:50:18,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:50:18,129 INFO L87 Difference]: Start difference. First operand 279 states and 338 transitions. Second operand 6 states. [2018-12-02 06:50:18,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:18,267 INFO L93 Difference]: Finished difference Result 763 states and 948 transitions. [2018-12-02 06:50:18,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:50:18,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 06:50:18,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:18,271 INFO L225 Difference]: With dead ends: 763 [2018-12-02 06:50:18,272 INFO L226 Difference]: Without dead ends: 512 [2018-12-02 06:50:18,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:50:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-12-02 06:50:18,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-12-02 06:50:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-12-02 06:50:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 616 transitions. [2018-12-02 06:50:18,307 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 616 transitions. Word has length 62 [2018-12-02 06:50:18,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:18,308 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 616 transitions. [2018-12-02 06:50:18,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:50:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 616 transitions. [2018-12-02 06:50:18,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 06:50:18,310 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:18,310 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] [2018-12-02 06:50:18,310 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:18,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:18,311 INFO L82 PathProgramCache]: Analyzing trace with hash 245736361, now seen corresponding path program 1 times [2018-12-02 06:50:18,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:18,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:18,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:18,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:18,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:18,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:18,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:50:18,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:50:18,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:50:18,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:50:18,380 INFO L87 Difference]: Start difference. First operand 506 states and 616 transitions. Second operand 7 states. [2018-12-02 06:50:18,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:18,781 INFO L93 Difference]: Finished difference Result 1311 states and 1718 transitions. [2018-12-02 06:50:18,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 06:50:18,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 06:50:18,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:18,783 INFO L225 Difference]: With dead ends: 1311 [2018-12-02 06:50:18,784 INFO L226 Difference]: Without dead ends: 833 [2018-12-02 06:50:18,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 06:50:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-12-02 06:50:18,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 735. [2018-12-02 06:50:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-12-02 06:50:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-12-02 06:50:18,814 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 66 [2018-12-02 06:50:18,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:18,814 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-12-02 06:50:18,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:50:18,814 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-12-02 06:50:18,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 06:50:18,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:18,815 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:18,815 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:18,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:18,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1656133436, now seen corresponding path program 1 times [2018-12-02 06:50:18,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:18,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:18,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:18,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:18,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:18,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:18,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:50:18,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:50:18,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:50:18,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:50:18,860 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 6 states. [2018-12-02 06:50:18,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:18,896 INFO L93 Difference]: Finished difference Result 1462 states and 1804 transitions. [2018-12-02 06:50:18,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:50:18,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-02 06:50:18,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:18,899 INFO L225 Difference]: With dead ends: 1462 [2018-12-02 06:50:18,899 INFO L226 Difference]: Without dead ends: 755 [2018-12-02 06:50:18,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:50:18,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-12-02 06:50:18,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2018-12-02 06:50:18,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-02 06:50:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 911 transitions. [2018-12-02 06:50:18,924 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 911 transitions. Word has length 89 [2018-12-02 06:50:18,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:18,925 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 911 transitions. [2018-12-02 06:50:18,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:50:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 911 transitions. [2018-12-02 06:50:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 06:50:18,926 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:18,926 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:18,926 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:18,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:18,927 INFO L82 PathProgramCache]: Analyzing trace with hash -954533562, now seen corresponding path program 1 times [2018-12-02 06:50:18,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:18,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:18,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:18,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:18,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:18,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:18,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 06:50:18,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 06:50:18,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 06:50:18,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:50:18,983 INFO L87 Difference]: Start difference. First operand 755 states and 911 transitions. Second operand 8 states. [2018-12-02 06:50:19,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:19,015 INFO L93 Difference]: Finished difference Result 1510 states and 1882 transitions. [2018-12-02 06:50:19,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:50:19,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-02 06:50:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:19,019 INFO L225 Difference]: With dead ends: 1510 [2018-12-02 06:50:19,019 INFO L226 Difference]: Without dead ends: 783 [2018-12-02 06:50:19,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:50:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-12-02 06:50:19,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 771. [2018-12-02 06:50:19,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-02 06:50:19,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 927 transitions. [2018-12-02 06:50:19,060 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 927 transitions. Word has length 89 [2018-12-02 06:50:19,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:19,061 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 927 transitions. [2018-12-02 06:50:19,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 06:50:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 927 transitions. [2018-12-02 06:50:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 06:50:19,062 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:19,063 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:19,063 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:19,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:19,063 INFO L82 PathProgramCache]: Analyzing trace with hash 770947335, now seen corresponding path program 1 times [2018-12-02 06:50:19,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:19,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:19,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:19,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:19,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:19,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:19,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:50:19,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:50:19,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:50:19,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:50:19,120 INFO L87 Difference]: Start difference. First operand 771 states and 927 transitions. Second operand 4 states. [2018-12-02 06:50:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:19,286 INFO L93 Difference]: Finished difference Result 2501 states and 3154 transitions. [2018-12-02 06:50:19,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:50:19,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-02 06:50:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:19,293 INFO L225 Difference]: With dead ends: 2501 [2018-12-02 06:50:19,293 INFO L226 Difference]: Without dead ends: 1758 [2018-12-02 06:50:19,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:50:19,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2018-12-02 06:50:19,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1727. [2018-12-02 06:50:19,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1727 states. [2018-12-02 06:50:19,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2127 transitions. [2018-12-02 06:50:19,370 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2127 transitions. Word has length 89 [2018-12-02 06:50:19,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:19,370 INFO L480 AbstractCegarLoop]: Abstraction has 1727 states and 2127 transitions. [2018-12-02 06:50:19,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:50:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2127 transitions. [2018-12-02 06:50:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 06:50:19,372 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:19,372 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:19,372 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:19,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:19,372 INFO L82 PathProgramCache]: Analyzing trace with hash 2014022541, now seen corresponding path program 1 times [2018-12-02 06:50:19,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:19,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:19,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:19,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:19,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:19,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:19,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:50:19,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:50:19,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:50:19,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:50:19,405 INFO L87 Difference]: Start difference. First operand 1727 states and 2127 transitions. Second operand 3 states. [2018-12-02 06:50:19,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:19,492 INFO L93 Difference]: Finished difference Result 2742 states and 3481 transitions. [2018-12-02 06:50:19,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:50:19,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-02 06:50:19,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:19,503 INFO L225 Difference]: With dead ends: 2742 [2018-12-02 06:50:19,503 INFO L226 Difference]: Without dead ends: 2739 [2018-12-02 06:50:19,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:50:19,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2018-12-02 06:50:19,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2553. [2018-12-02 06:50:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2018-12-02 06:50:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3253 transitions. [2018-12-02 06:50:19,621 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3253 transitions. Word has length 93 [2018-12-02 06:50:19,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:19,622 INFO L480 AbstractCegarLoop]: Abstraction has 2553 states and 3253 transitions. [2018-12-02 06:50:19,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:50:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3253 transitions. [2018-12-02 06:50:19,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 06:50:19,629 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:19,629 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:19,629 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:19,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:19,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1445410561, now seen corresponding path program 1 times [2018-12-02 06:50:19,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:19,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:19,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:19,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:19,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 06:50:19,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:50:19,712 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/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 [2018-12-02 06:50:19,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:19,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:50:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:19,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:50:19,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-02 06:50:19,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 06:50:19,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 06:50:19,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:50:19,900 INFO L87 Difference]: Start difference. First operand 2553 states and 3253 transitions. Second operand 8 states. [2018-12-02 06:50:20,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:20,088 INFO L93 Difference]: Finished difference Result 4603 states and 5944 transitions. [2018-12-02 06:50:20,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:50:20,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-12-02 06:50:20,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:20,098 INFO L225 Difference]: With dead ends: 4603 [2018-12-02 06:50:20,098 INFO L226 Difference]: Without dead ends: 2402 [2018-12-02 06:50:20,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:50:20,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2402 states. [2018-12-02 06:50:20,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2402 to 1757. [2018-12-02 06:50:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1757 states. [2018-12-02 06:50:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2029 transitions. [2018-12-02 06:50:20,177 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2029 transitions. Word has length 152 [2018-12-02 06:50:20,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:20,177 INFO L480 AbstractCegarLoop]: Abstraction has 1757 states and 2029 transitions. [2018-12-02 06:50:20,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 06:50:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2029 transitions. [2018-12-02 06:50:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 06:50:20,180 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:20,181 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:20,181 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:20,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:20,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1061919363, now seen corresponding path program 1 times [2018-12-02 06:50:20,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:20,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:20,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:20,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:20,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:50:20,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:50:20,253 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/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 [2018-12-02 06:50:20,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:20,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:50:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:20,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:50:20,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-12-02 06:50:20,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:50:20,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:50:20,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:50:20,401 INFO L87 Difference]: Start difference. First operand 1757 states and 2029 transitions. Second operand 7 states. [2018-12-02 06:50:20,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:20,944 INFO L93 Difference]: Finished difference Result 4069 states and 5041 transitions. [2018-12-02 06:50:20,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:50:20,945 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2018-12-02 06:50:20,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:20,956 INFO L225 Difference]: With dead ends: 4069 [2018-12-02 06:50:20,957 INFO L226 Difference]: Without dead ends: 2664 [2018-12-02 06:50:20,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:50:20,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2018-12-02 06:50:21,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2388. [2018-12-02 06:50:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2018-12-02 06:50:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 2807 transitions. [2018-12-02 06:50:21,077 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 2807 transitions. Word has length 154 [2018-12-02 06:50:21,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:21,077 INFO L480 AbstractCegarLoop]: Abstraction has 2388 states and 2807 transitions. [2018-12-02 06:50:21,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:50:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2807 transitions. [2018-12-02 06:50:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 06:50:21,081 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:21,081 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:21,081 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:21,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:21,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1415007745, now seen corresponding path program 1 times [2018-12-02 06:50:21,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:21,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:21,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:21,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:21,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:50:21,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:50:21,180 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/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 [2018-12-02 06:50:21,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:21,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:50:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:50:21,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:50:21,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-12-02 06:50:21,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 06:50:21,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 06:50:21,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-02 06:50:21,341 INFO L87 Difference]: Start difference. First operand 2388 states and 2807 transitions. Second operand 14 states. [2018-12-02 06:50:22,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:22,576 INFO L93 Difference]: Finished difference Result 6988 states and 9203 transitions. [2018-12-02 06:50:22,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 06:50:22,576 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 154 [2018-12-02 06:50:22,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:22,595 INFO L225 Difference]: With dead ends: 6988 [2018-12-02 06:50:22,595 INFO L226 Difference]: Without dead ends: 4964 [2018-12-02 06:50:22,601 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-12-02 06:50:22,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4964 states. [2018-12-02 06:50:22,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4964 to 3955. [2018-12-02 06:50:22,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3955 states. [2018-12-02 06:50:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 4721 transitions. [2018-12-02 06:50:22,766 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 4721 transitions. Word has length 154 [2018-12-02 06:50:22,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:22,766 INFO L480 AbstractCegarLoop]: Abstraction has 3955 states and 4721 transitions. [2018-12-02 06:50:22,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 06:50:22,767 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 4721 transitions. [2018-12-02 06:50:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 06:50:22,769 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:22,769 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:22,769 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:22,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:22,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1342621187, now seen corresponding path program 1 times [2018-12-02 06:50:22,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:22,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:22,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:22,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:22,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 06:50:22,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:22,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 06:50:22,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:50:22,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:50:22,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:50:22,847 INFO L87 Difference]: Start difference. First operand 3955 states and 4721 transitions. Second operand 9 states. [2018-12-02 06:50:22,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:22,944 INFO L93 Difference]: Finished difference Result 5141 states and 6124 transitions. [2018-12-02 06:50:22,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 06:50:22,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-12-02 06:50:22,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:22,950 INFO L225 Difference]: With dead ends: 5141 [2018-12-02 06:50:22,950 INFO L226 Difference]: Without dead ends: 1550 [2018-12-02 06:50:22,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:50:22,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2018-12-02 06:50:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1488. [2018-12-02 06:50:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2018-12-02 06:50:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1718 transitions. [2018-12-02 06:50:23,014 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1718 transitions. Word has length 154 [2018-12-02 06:50:23,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:23,015 INFO L480 AbstractCegarLoop]: Abstraction has 1488 states and 1718 transitions. [2018-12-02 06:50:23,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:50:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1718 transitions. [2018-12-02 06:50:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 06:50:23,017 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:50:23,017 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:50:23,017 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:50:23,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:50:23,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1287265758, now seen corresponding path program 1 times [2018-12-02 06:50:23,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:50:23,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:50:23,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:23,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:50:23,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:50:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:50:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 06:50:23,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:50:23,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:50:23,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:50:23,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:50:23,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:50:23,049 INFO L87 Difference]: Start difference. First operand 1488 states and 1718 transitions. Second operand 3 states. [2018-12-02 06:50:23,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:50:23,115 INFO L93 Difference]: Finished difference Result 2370 states and 2755 transitions. [2018-12-02 06:50:23,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:50:23,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-12-02 06:50:23,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:50:23,116 INFO L225 Difference]: With dead ends: 2370 [2018-12-02 06:50:23,117 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:50:23,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:50:23,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:50:23,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:50:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:50:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:50:23,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-12-02 06:50:23,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:50:23,121 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:50:23,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:50:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:50:23,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:50:23,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:50:23,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:23,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:50:24,071 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2018-12-02 06:50:24,288 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 38 [2018-12-02 06:50:24,623 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-12-02 06:50:25,288 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 43 [2018-12-02 06:50:25,586 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 52 [2018-12-02 06:50:25,902 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 38 [2018-12-02 06:50:26,116 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2018-12-02 06:50:26,278 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2018-12-02 06:50:26,635 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2018-12-02 06:50:26,896 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 30 [2018-12-02 06:50:27,145 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2018-12-02 06:50:27,314 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 504 510) the Hoare annotation is: true [2018-12-02 06:50:27,314 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 504 510) no Hoare annotation was computed. [2018-12-02 06:50:27,315 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 511 519) no Hoare annotation was computed. [2018-12-02 06:50:27,315 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 511 519) the Hoare annotation is: true [2018-12-02 06:50:27,315 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 511 519) no Hoare annotation was computed. [2018-12-02 06:50:27,315 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 422 444) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 06:50:27,315 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 422 444) no Hoare annotation was computed. [2018-12-02 06:50:27,315 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:50:27,315 INFO L444 ceAbstractionStarter]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:50:27,315 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 439) no Hoare annotation was computed. [2018-12-02 06:50:27,315 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 432 439) no Hoare annotation was computed. [2018-12-02 06:50:27,315 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-02 06:50:27,315 INFO L444 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 06:50:27,316 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 422 444) no Hoare annotation was computed. [2018-12-02 06:50:27,316 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 06:50:27,316 INFO L444 ceAbstractionStarter]: At program point L428-1(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 06:50:27,316 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 321 335) no Hoare annotation was computed. [2018-12-02 06:50:27,316 INFO L444 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (= |old(~systemActive~0)| 0) .cse2 (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse1) .cse2))) [2018-12-02 06:50:27,316 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 321 335) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse3 (or .cse0 .cse2)) (.cse6 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= |old(~systemActive~0)| 0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 .cse3 .cse4) (or (not .cse5) (< ~waterLevel~0 1) .cse3 .cse6) (or (and (not .cse6) .cse1) (or .cse5 .cse4 (not (= 1 |old(~pumpRunning~0)|))))))) [2018-12-02 06:50:27,316 INFO L448 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-12-02 06:50:27,316 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 321 335) no Hoare annotation was computed. [2018-12-02 06:50:27,316 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 238 246) no Hoare annotation was computed. [2018-12-02 06:50:27,316 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 238 246) the Hoare annotation is: true [2018-12-02 06:50:27,316 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 238 246) no Hoare annotation was computed. [2018-12-02 06:50:27,317 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 302 320) the Hoare annotation is: true [2018-12-02 06:50:27,317 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 315) no Hoare annotation was computed. [2018-12-02 06:50:27,317 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 302 320) no Hoare annotation was computed. [2018-12-02 06:50:27,317 INFO L451 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2018-12-02 06:50:27,317 INFO L448 ceAbstractionStarter]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2018-12-02 06:50:27,317 INFO L448 ceAbstractionStarter]: For program point L309-1(line 309) no Hoare annotation was computed. [2018-12-02 06:50:27,317 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 302 320) no Hoare annotation was computed. [2018-12-02 06:50:27,317 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 497 503) no Hoare annotation was computed. [2018-12-02 06:50:27,317 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 497 503) the Hoare annotation is: true [2018-12-02 06:50:27,317 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 408 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 06:50:27,317 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 06:50:27,317 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 408 418) no Hoare annotation was computed. [2018-12-02 06:50:27,318 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 408 418) no Hoare annotation was computed. [2018-12-02 06:50:27,318 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 219 226) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (or (< ~waterLevel~0 1) .cse0 (not (= ~systemActive~0 1))) .cse1) (or .cse1 (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0)))) [2018-12-02 06:50:27,318 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 219 226) no Hoare annotation was computed. [2018-12-02 06:50:27,318 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 219 226) no Hoare annotation was computed. [2018-12-02 06:50:27,318 INFO L448 ceAbstractionStarter]: For program point L605(lines 605 611) no Hoare annotation was computed. [2018-12-02 06:50:27,318 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 601 614) no Hoare annotation was computed. [2018-12-02 06:50:27,318 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 601 614) the Hoare annotation is: true [2018-12-02 06:50:27,318 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 601 614) no Hoare annotation was computed. [2018-12-02 06:50:27,318 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0))) [2018-12-02 06:50:27,318 INFO L448 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-12-02 06:50:27,318 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 207) no Hoare annotation was computed. [2018-12-02 06:50:27,319 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 186 210) no Hoare annotation was computed. [2018-12-02 06:50:27,319 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 186 210) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse2) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0 .cse2))) [2018-12-02 06:50:27,319 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-02 06:50:27,319 INFO L448 ceAbstractionStarter]: For program point L205-1(lines 186 210) no Hoare annotation was computed. [2018-12-02 06:50:27,319 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0))) [2018-12-02 06:50:27,319 INFO L444 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0))) [2018-12-02 06:50:27,319 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed. [2018-12-02 06:50:27,319 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2018-12-02 06:50:27,319 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2018-12-02 06:50:27,319 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-12-02 06:50:27,319 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 06:50:27,319 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-12-02 06:50:27,320 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-12-02 06:50:27,320 INFO L444 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 06:50:27,320 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 06:50:27,320 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-12-02 06:50:27,320 INFO L444 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (and (and .cse1 .cse2 .cse3) .cse4)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse2) (and (and (= 0 ~methaneLevelCritical~0) .cse1 .cse2) .cse0 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse5 (= ~pumpRunning~0 1) .cse6 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse1 .cse6 .cse2 .cse3) .cse4))) [2018-12-02 06:50:27,320 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-12-02 06:50:27,320 INFO L444 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 06:50:27,320 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-12-02 06:50:27,320 INFO L444 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (and (and .cse0 .cse1 .cse2) .cse3)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse0 .cse4 .cse1 .cse2) .cse3))) [2018-12-02 06:50:27,320 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-12-02 06:50:27,320 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-12-02 06:50:27,320 INFO L444 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (and (and .cse0 .cse1 .cse2) .cse3)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse4 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse0 .cse4 .cse1 .cse2) .cse3))) [2018-12-02 06:50:27,321 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 06:50:27,321 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-12-02 06:50:27,321 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-02 06:50:27,321 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 615 623) no Hoare annotation was computed. [2018-12-02 06:50:27,321 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 615 623) the Hoare annotation is: true [2018-12-02 06:50:27,321 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 615 623) no Hoare annotation was computed. [2018-12-02 06:50:27,321 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~waterLevel~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 (not (= ~systemActive~0 0)) .cse0) (or .cse3 .cse4 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse3 .cse4 (or .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2018-12-02 06:50:27,321 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 475) no Hoare annotation was computed. [2018-12-02 06:50:27,321 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-12-02 06:50:27,321 INFO L444 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 0))) (.cse7 (< ~waterLevel~0 1)) (.cse8 (< ~waterLevel~0 2)) (.cse9 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse5 .cse6) .cse7) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse2 .cse8 .cse9 .cse5 .cse4) (or (or .cse0 .cse6) .cse1 .cse7) (or .cse8 .cse9 (or .cse5 .cse6)))) [2018-12-02 06:50:27,321 INFO L448 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 456 484) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or .cse1 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse4 .cse3))) [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 481) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point L464-1(lines 456 484) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or .cse1 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse4 .cse3))) [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 456 484) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 448 455) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:50:27,322 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)) [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 283 301) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 283 301) the Hoare annotation is: true [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 283 301) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 296) no Hoare annotation was computed. [2018-12-02 06:50:27,322 INFO L451 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2018-12-02 06:50:27,322 INFO L448 ceAbstractionStarter]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 548 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse4) (or (or .cse0 .cse2 .cse3) .cse4 (not (= ~systemActive~0 0)) (< ~waterLevel~0 1)) (or .cse4 (or .cse0 .cse1 .cse2 .cse3) .cse5) (or .cse4 (or .cse5 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3)))) [2018-12-02 06:50:27,323 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 548 559) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 548 559) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 560 568) the Hoare annotation is: true [2018-12-02 06:50:27,323 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 560 568) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 560 568) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L451 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: true [2018-12-02 06:50:27,323 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 346 375) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L448 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 346 375) the Hoare annotation is: true [2018-12-02 06:50:27,323 INFO L451 ceAbstractionStarter]: At program point L371(lines 346 375) the Hoare annotation is: true [2018-12-02 06:50:27,323 INFO L448 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L451 ceAbstractionStarter]: At program point L360-1(lines 360 364) the Hoare annotation is: true [2018-12-02 06:50:27,323 INFO L448 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2018-12-02 06:50:27,323 INFO L451 ceAbstractionStarter]: At program point L356-2(lines 356 370) the Hoare annotation is: true [2018-12-02 06:50:27,323 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (and .cse8 (= 0 ~methAndRunningLastTime~0) .cse9)) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse5 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (and .cse8 .cse9))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse5 .cse3 .cse6) (or .cse5 (or .cse0 .cse2) .cse4 .cse3) (or .cse5 .cse7 .cse6 .cse0) (or (or .cse7 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) .cse6)))) [2018-12-02 06:50:27,323 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse3 (< |old(~waterLevel~0)| 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) .cse4)) (or .cse5 .cse6 .cse0) (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse5 .cse3) (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse4) (or .cse6 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (or .cse0 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2018-12-02 06:50:27,324 INFO L444 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (< |old(~waterLevel~0)| 1)) (.cse6 (and .cse0 .cse9)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~systemActive~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (or .cse2 .cse3 .cse4) .cse5 .cse6) (or (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse7 .cse5 .cse6) (or .cse6 .cse7 .cse8 .cse2) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (or .cse8 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3))) (or .cse2 .cse7 (and .cse0 .cse1 .cse9) .cse10 .cse4) (or .cse2 .cse1 .cse3 .cse10 .cse4)))) [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse3 (< |old(~waterLevel~0)| 1)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0 .cse3) (or (or .cse2 .cse4 .cse5) .cse3) (or (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5))) [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point L132(lines 131 150) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 524 535) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)))) [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 524 535) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 400 406) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 400 406) the Hoare annotation is: true [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 06:50:27,324 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 160 184) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 160 184) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (< ~waterLevel~0 1)) [2018-12-02 06:50:27,324 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2018-12-02 06:50:27,324 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (< ~waterLevel~0 1)) [2018-12-02 06:50:27,325 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2018-12-02 06:50:27,325 INFO L444 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-12-02 06:50:27,325 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 0)) (or (not (= 0 ~pumpRunning~0)) (not (= ~methAndRunningLastTime~0 0))) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 536 547) no Hoare annotation was computed. [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 536 547) no Hoare annotation was computed. [2018-12-02 06:50:27,325 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 536 547) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 1)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) .cse1) (or (not (= ~systemActive~0 0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 (or .cse4 .cse0) .cse3 .cse1))) [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 991 998) no Hoare annotation was computed. [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2018-12-02 06:50:27,325 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 991 998) the Hoare annotation is: true [2018-12-02 06:50:27,325 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 991 998) no Hoare annotation was computed. [2018-12-02 06:50:27,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:50:27 BoogieIcfgContainer [2018-12-02 06:50:27,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:50:27,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:50:27,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:50:27,336 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:50:27,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:50:17" (3/4) ... [2018-12-02 06:50:27,338 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:50:27,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 06:50:27,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 06:50:27,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:50:27,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 06:50:27,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 06:50:27,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 06:50:27,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 06:50:27,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 06:50:27,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 06:50:27,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 06:50:27,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 06:50:27,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 06:50:27,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 06:50:27,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 06:50:27,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 06:50:27,352 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-02 06:50:27,352 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 06:50:27,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 06:50:27,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 06:50:27,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 06:50:27,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 06:50:27,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || (systemActive == 0 && ((0 == pumpRunning && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel)) || !(0 == \old(pumpRunning))) || (((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel) [2018-12-02 06:50:27,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 06:50:27,403 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1e08e228-2046-46f7-a9c8-569729382992/bin-2019/uautomizer/witness.graphml [2018-12-02 06:50:27,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:50:27,404 INFO L168 Benchmark]: Toolchain (without parser) took 10743.22 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 565.2 MB). Free memory was 955.9 MB in the beginning and 945.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 575.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:50:27,404 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:50:27,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:50:27,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:50:27,405 INFO L168 Benchmark]: Boogie Preprocessor took 22.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:50:27,405 INFO L168 Benchmark]: RCFGBuilder took 330.27 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:50:27,405 INFO L168 Benchmark]: TraceAbstraction took 10028.54 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 440.9 MB). Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 106.6 MB). Peak memory consumption was 569.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:50:27,405 INFO L168 Benchmark]: Witness Printer took 68.20 ms. Allocated memory is still 1.6 GB. Free memory was 946.2 MB in the beginning and 945.7 MB in the end (delta: 595.2 kB). Peak memory consumption was 595.2 kB. Max. memory is 11.5 GB. [2018-12-02 06:50:27,406 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.96 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 22.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 330.27 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10028.54 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 440.9 MB). Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 106.6 MB). Peak memory consumption was 569.8 MB. Max. memory is 11.5 GB. * Witness Printer took 68.20 ms. Allocated memory is still 1.6 GB. Free memory was 946.2 MB in the beginning and 945.7 MB in the end (delta: 595.2 kB). Peak memory consumption was 595.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 995]: 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: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || (systemActive == 0 && ((0 == pumpRunning && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel)) || !(0 == \old(pumpRunning))) || (((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 156 locations, 1 error locations. SAFE Result, 9.9s OverallTime, 14 OverallIterations, 2 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2654 SDtfs, 2184 SDslu, 5818 SDs, 0 SdLazy, 3293 SolverSat, 852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 601 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3955occurred in iteration=12, 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: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 2337 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5774 PreInvPairs, 5907 NumberOfFragments, 2258 HoareAnnotationTreeSize, 5774 FomulaSimplifications, 37263 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 65 FomulaSimplificationsInter, 26105 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1883 NumberOfCodeBlocks, 1883 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1866 ConstructedInterpolants, 0 QuantifiedInterpolants, 357545 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2715 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 331/345 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...