./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/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 a22c1e90e019171affadaeb315d0122780579e6b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:05:31,904 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:05:31,905 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:05:31,913 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:05:31,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:05:31,914 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:05:31,915 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:05:31,916 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:05:31,917 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:05:31,918 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:05:31,919 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:05:31,919 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:05:31,920 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:05:31,920 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:05:31,921 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:05:31,922 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:05:31,923 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:05:31,924 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:05:31,925 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:05:31,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:05:31,927 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:05:31,928 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:05:31,930 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:05:31,930 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:05:31,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:05:31,931 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:05:31,932 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:05:31,933 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:05:31,933 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:05:31,934 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:05:31,934 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:05:31,935 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:05:31,935 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:05:31,935 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:05:31,936 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:05:31,936 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:05:31,937 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:05:31,947 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:05:31,947 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:05:31,948 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:05:31,948 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:05:31,948 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:05:31,948 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:05:31,949 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:05:31,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:05:31,949 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:05:31,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:05:31,949 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:05:31,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:05:31,950 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:05:31,950 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:05:31,950 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:05:31,950 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:05:31,950 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:05:31,950 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:05:31,950 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:05:31,951 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:05:31,951 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:05:31,951 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:05:31,951 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:05:31,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:05:31,951 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:05:31,951 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:05:31,952 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:05:31,952 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:05:31,952 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:05:31,952 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:05:31,952 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_b09cf0af-30a6-4286-afe8-9a1490621e1c/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 -> a22c1e90e019171affadaeb315d0122780579e6b [2018-11-28 11:05:31,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:05:31,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:05:31,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:05:31,987 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:05:31,987 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:05:31,988 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-11-28 11:05:32,035 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/data/a1210ee22/164aff0fe2d344cb986c8e5c73fadad1/FLAG921bdab32 [2018-11-28 11:05:32,416 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:05:32,417 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-11-28 11:05:32,427 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/data/a1210ee22/164aff0fe2d344cb986c8e5c73fadad1/FLAG921bdab32 [2018-11-28 11:05:32,807 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/data/a1210ee22/164aff0fe2d344cb986c8e5c73fadad1 [2018-11-28 11:05:32,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:05:32,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:05:32,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:05:32,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:05:32,812 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:05:32,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:05:32" (1/1) ... [2018-11-28 11:05:32,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd7e613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:32, skipping insertion in model container [2018-11-28 11:05:32,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:05:32" (1/1) ... [2018-11-28 11:05:32,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:05:32,847 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:05:33,038 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:05:33,093 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:05:33,149 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:05:33,166 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:05:33,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33 WrapperNode [2018-11-28 11:05:33,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:05:33,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:05:33,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:05:33,168 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:05:33,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... [2018-11-28 11:05:33,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... [2018-11-28 11:05:33,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:05:33,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:05:33,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:05:33,189 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:05:33,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... [2018-11-28 11:05:33,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... [2018-11-28 11:05:33,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... [2018-11-28 11:05:33,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... [2018-11-28 11:05:33,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... [2018-11-28 11:05:33,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... [2018-11-28 11:05:33,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... [2018-11-28 11:05:33,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:05:33,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:05:33,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:05:33,214 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:05:33,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:05:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:05:33,248 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:05:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:05:33,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:05:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 11:05:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 11:05:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:05:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:05:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:05:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:05:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:05:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:05:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:05:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:05:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:05:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:05:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:05:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:05:33,250 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:05:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:05:33,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:05:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:05:33,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:05:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:05:33,250 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:05:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:05:33,250 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:05:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:05:33,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:05:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:05:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:05:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 11:05:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 11:05:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:05:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:05:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:05:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:05:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:05:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:05:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 11:05:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 11:05:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 11:05:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 11:05:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 11:05:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 11:05:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:05:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:05:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:05:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:05:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:05:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:05:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:05:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:05:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 11:05:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 11:05:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:05:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:05:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:05:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:05:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:05:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:05:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:05:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:05:33,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:05:33,677 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:05:33,677 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:05:33,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:05:33 BoogieIcfgContainer [2018-11-28 11:05:33,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:05:33,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:05:33,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:05:33,681 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:05:33,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:05:32" (1/3) ... [2018-11-28 11:05:33,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7bbbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:05:33, skipping insertion in model container [2018-11-28 11:05:33,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:05:33" (2/3) ... [2018-11-28 11:05:33,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7bbbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:05:33, skipping insertion in model container [2018-11-28 11:05:33,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:05:33" (3/3) ... [2018-11-28 11:05:33,684 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-11-28 11:05:33,692 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:05:33,699 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:05:33,711 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:05:33,729 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:05:33,730 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:05:33,730 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:05:33,730 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:05:33,730 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:05:33,730 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:05:33,730 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:05:33,730 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:05:33,730 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:05:33,744 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-11-28 11:05:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 11:05:33,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:33,752 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:33,754 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:33,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:33,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1967497921, now seen corresponding path program 1 times [2018-11-28 11:05:33,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:33,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:33,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:33,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:33,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:05:33,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:05:33,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:05:33,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:05:33,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:05:33,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:05:33,958 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-11-28 11:05:33,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:33,986 INFO L93 Difference]: Finished difference Result 282 states and 343 transitions. [2018-11-28 11:05:33,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:05:33,987 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 11:05:33,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:33,998 INFO L225 Difference]: With dead ends: 282 [2018-11-28 11:05:33,998 INFO L226 Difference]: Without dead ends: 143 [2018-11-28 11:05:34,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:05:34,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-28 11:05:34,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-28 11:05:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-28 11:05:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2018-11-28 11:05:34,047 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2018-11-28 11:05:34,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:34,048 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2018-11-28 11:05:34,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:05:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2018-11-28 11:05:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 11:05:34,050 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:34,051 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:34,051 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:34,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:34,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1179276103, now seen corresponding path program 1 times [2018-11-28 11:05:34,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:34,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:34,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:34,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:34,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:34,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:05:34,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:05:34,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:05:34,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:05:34,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:05:34,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:05:34,136 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 3 states. [2018-11-28 11:05:34,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:34,157 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2018-11-28 11:05:34,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:05:34,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-28 11:05:34,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:34,159 INFO L225 Difference]: With dead ends: 218 [2018-11-28 11:05:34,159 INFO L226 Difference]: Without dead ends: 134 [2018-11-28 11:05:34,160 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:05:34,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-28 11:05:34,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-28 11:05:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-28 11:05:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2018-11-28 11:05:34,169 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2018-11-28 11:05:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:34,169 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2018-11-28 11:05:34,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:05:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2018-11-28 11:05:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 11:05:34,170 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:34,170 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:34,170 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:34,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:34,171 INFO L82 PathProgramCache]: Analyzing trace with hash -302547009, now seen corresponding path program 1 times [2018-11-28 11:05:34,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:34,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:34,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:34,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:34,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:05:34,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:05:34,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:05:34,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:05:34,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:05:34,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:05:34,310 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 7 states. [2018-11-28 11:05:34,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:34,809 INFO L93 Difference]: Finished difference Result 402 states and 479 transitions. [2018-11-28 11:05:34,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:05:34,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-28 11:05:34,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:34,812 INFO L225 Difference]: With dead ends: 402 [2018-11-28 11:05:34,813 INFO L226 Difference]: Without dead ends: 296 [2018-11-28 11:05:34,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:05:34,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-11-28 11:05:34,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 272. [2018-11-28 11:05:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-11-28 11:05:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 322 transitions. [2018-11-28 11:05:34,850 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 322 transitions. Word has length 65 [2018-11-28 11:05:34,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:34,850 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 322 transitions. [2018-11-28 11:05:34,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:05:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2018-11-28 11:05:34,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 11:05:34,853 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:34,853 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:34,854 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:34,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:34,854 INFO L82 PathProgramCache]: Analyzing trace with hash 242721131, now seen corresponding path program 1 times [2018-11-28 11:05:34,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:34,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:34,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:34,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:34,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:05:34,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:05:34,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:05:34,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:05:34,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:05:34,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:05:34,987 INFO L87 Difference]: Start difference. First operand 272 states and 322 transitions. Second operand 7 states. [2018-11-28 11:05:35,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:35,546 INFO L93 Difference]: Finished difference Result 682 states and 859 transitions. [2018-11-28 11:05:35,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:05:35,547 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-28 11:05:35,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:35,550 INFO L225 Difference]: With dead ends: 682 [2018-11-28 11:05:35,550 INFO L226 Difference]: Without dead ends: 438 [2018-11-28 11:05:35,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:05:35,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-11-28 11:05:35,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 390. [2018-11-28 11:05:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-11-28 11:05:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 462 transitions. [2018-11-28 11:05:35,585 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 462 transitions. Word has length 70 [2018-11-28 11:05:35,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:35,586 INFO L480 AbstractCegarLoop]: Abstraction has 390 states and 462 transitions. [2018-11-28 11:05:35,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:05:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 462 transitions. [2018-11-28 11:05:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 11:05:35,588 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:35,588 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:35,588 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:35,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:35,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1416188496, now seen corresponding path program 1 times [2018-11-28 11:05:35,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:35,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:35,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:35,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:35,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:05:35,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:05:35,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:05:35,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:05:35,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:05:35,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:05:35,694 INFO L87 Difference]: Start difference. First operand 390 states and 462 transitions. Second operand 6 states. [2018-11-28 11:05:35,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:35,769 INFO L93 Difference]: Finished difference Result 766 states and 932 transitions. [2018-11-28 11:05:35,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:05:35,771 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-28 11:05:35,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:35,773 INFO L225 Difference]: With dead ends: 766 [2018-11-28 11:05:35,773 INFO L226 Difference]: Without dead ends: 404 [2018-11-28 11:05:35,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:05:35,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-28 11:05:35,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 400. [2018-11-28 11:05:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-11-28 11:05:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 472 transitions. [2018-11-28 11:05:35,798 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 472 transitions. Word has length 103 [2018-11-28 11:05:35,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:35,798 INFO L480 AbstractCegarLoop]: Abstraction has 400 states and 472 transitions. [2018-11-28 11:05:35,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:05:35,798 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 472 transitions. [2018-11-28 11:05:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 11:05:35,800 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:35,800 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:35,800 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:35,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:35,800 INFO L82 PathProgramCache]: Analyzing trace with hash 829390958, now seen corresponding path program 1 times [2018-11-28 11:05:35,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:35,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:35,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:35,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:35,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:05:35,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:05:35,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:05:35,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:05:35,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:05:35,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:05:35,869 INFO L87 Difference]: Start difference. First operand 400 states and 472 transitions. Second operand 8 states. [2018-11-28 11:05:35,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:35,941 INFO L93 Difference]: Finished difference Result 786 states and 952 transitions. [2018-11-28 11:05:35,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:05:35,942 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-28 11:05:35,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:35,944 INFO L225 Difference]: With dead ends: 786 [2018-11-28 11:05:35,944 INFO L226 Difference]: Without dead ends: 414 [2018-11-28 11:05:35,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:05:35,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-11-28 11:05:35,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2018-11-28 11:05:35,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-11-28 11:05:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 480 transitions. [2018-11-28 11:05:35,968 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 480 transitions. Word has length 103 [2018-11-28 11:05:35,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:35,969 INFO L480 AbstractCegarLoop]: Abstraction has 408 states and 480 transitions. [2018-11-28 11:05:35,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:05:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 480 transitions. [2018-11-28 11:05:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 11:05:35,971 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:35,971 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:35,971 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:35,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:35,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1798971981, now seen corresponding path program 1 times [2018-11-28 11:05:35,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:35,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:35,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:35,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:35,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:05:36,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:05:36,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:05:36,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:05:36,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:05:36,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:05:36,052 INFO L87 Difference]: Start difference. First operand 408 states and 480 transitions. Second operand 4 states. [2018-11-28 11:05:36,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:36,227 INFO L93 Difference]: Finished difference Result 1274 states and 1571 transitions. [2018-11-28 11:05:36,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:05:36,228 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-28 11:05:36,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:36,231 INFO L225 Difference]: With dead ends: 1274 [2018-11-28 11:05:36,231 INFO L226 Difference]: Without dead ends: 894 [2018-11-28 11:05:36,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:05:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-28 11:05:36,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 877. [2018-11-28 11:05:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-11-28 11:05:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1058 transitions. [2018-11-28 11:05:36,266 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1058 transitions. Word has length 103 [2018-11-28 11:05:36,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:36,267 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1058 transitions. [2018-11-28 11:05:36,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:05:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1058 transitions. [2018-11-28 11:05:36,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-28 11:05:36,269 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:36,269 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:36,269 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:36,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:36,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1310725267, now seen corresponding path program 1 times [2018-11-28 11:05:36,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:36,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:36,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:36,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:36,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:05:36,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:05:36,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:05:36,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:05:36,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:05:36,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:05:36,382 INFO L87 Difference]: Start difference. First operand 877 states and 1058 transitions. Second operand 9 states. [2018-11-28 11:05:36,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:36,960 INFO L93 Difference]: Finished difference Result 2428 states and 3059 transitions. [2018-11-28 11:05:36,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 11:05:36,960 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2018-11-28 11:05:36,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:36,966 INFO L225 Difference]: With dead ends: 2428 [2018-11-28 11:05:36,966 INFO L226 Difference]: Without dead ends: 1755 [2018-11-28 11:05:36,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:05:36,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2018-11-28 11:05:37,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1552. [2018-11-28 11:05:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2018-11-28 11:05:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1852 transitions. [2018-11-28 11:05:37,039 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1852 transitions. Word has length 107 [2018-11-28 11:05:37,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:37,039 INFO L480 AbstractCegarLoop]: Abstraction has 1552 states and 1852 transitions. [2018-11-28 11:05:37,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:05:37,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1852 transitions. [2018-11-28 11:05:37,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-28 11:05:37,042 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:37,042 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:37,042 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:37,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:37,043 INFO L82 PathProgramCache]: Analyzing trace with hash 519249508, now seen corresponding path program 1 times [2018-11-28 11:05:37,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:37,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:37,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:37,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:37,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-28 11:05:37,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:05:37,170 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:05:37,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:37,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:05:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:05:37,456 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:05:37,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-28 11:05:37,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 11:05:37,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 11:05:37,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-28 11:05:37,457 INFO L87 Difference]: Start difference. First operand 1552 states and 1852 transitions. Second operand 16 states. [2018-11-28 11:05:38,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:38,111 INFO L93 Difference]: Finished difference Result 3309 states and 4100 transitions. [2018-11-28 11:05:38,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 11:05:38,111 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2018-11-28 11:05:38,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:38,117 INFO L225 Difference]: With dead ends: 3309 [2018-11-28 11:05:38,117 INFO L226 Difference]: Without dead ends: 1955 [2018-11-28 11:05:38,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 11:05:38,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2018-11-28 11:05:38,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1537. [2018-11-28 11:05:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2018-11-28 11:05:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 1788 transitions. [2018-11-28 11:05:38,184 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 1788 transitions. Word has length 151 [2018-11-28 11:05:38,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:38,185 INFO L480 AbstractCegarLoop]: Abstraction has 1537 states and 1788 transitions. [2018-11-28 11:05:38,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 11:05:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1788 transitions. [2018-11-28 11:05:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-11-28 11:05:38,189 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:38,189 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:38,189 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:38,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:38,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1575948346, now seen corresponding path program 1 times [2018-11-28 11:05:38,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:38,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:38,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:38,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:38,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2018-11-28 11:05:38,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:05:38,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:05:38,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:05:38,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:05:38,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:05:38,275 INFO L87 Difference]: Start difference. First operand 1537 states and 1788 transitions. Second operand 3 states. [2018-11-28 11:05:38,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:38,335 INFO L93 Difference]: Finished difference Result 2430 states and 2832 transitions. [2018-11-28 11:05:38,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:05:38,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2018-11-28 11:05:38,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:38,339 INFO L225 Difference]: With dead ends: 2430 [2018-11-28 11:05:38,339 INFO L226 Difference]: Without dead ends: 955 [2018-11-28 11:05:38,342 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:05:38,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2018-11-28 11:05:38,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 935. [2018-11-28 11:05:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-28 11:05:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1072 transitions. [2018-11-28 11:05:38,406 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1072 transitions. Word has length 306 [2018-11-28 11:05:38,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:38,407 INFO L480 AbstractCegarLoop]: Abstraction has 935 states and 1072 transitions. [2018-11-28 11:05:38,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:05:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1072 transitions. [2018-11-28 11:05:38,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-28 11:05:38,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:05:38,410 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:05:38,410 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:05:38,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:05:38,411 INFO L82 PathProgramCache]: Analyzing trace with hash -562519819, now seen corresponding path program 1 times [2018-11-28 11:05:38,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:05:38,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:05:38,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:38,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:38,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:05:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 124 proven. 14 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-11-28 11:05:38,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:05:38,532 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:05:38,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:05:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:05:38,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:05:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 259 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-28 11:05:38,829 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:05:38,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 19 [2018-11-28 11:05:38,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 11:05:38,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 11:05:38,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:05:38,830 INFO L87 Difference]: Start difference. First operand 935 states and 1072 transitions. Second operand 19 states. [2018-11-28 11:05:40,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:05:40,288 INFO L93 Difference]: Finished difference Result 2360 states and 3010 transitions. [2018-11-28 11:05:40,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 11:05:40,289 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 309 [2018-11-28 11:05:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:05:40,290 INFO L225 Difference]: With dead ends: 2360 [2018-11-28 11:05:40,290 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:05:40,296 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=1136, Unknown=0, NotChecked=0, Total=1406 [2018-11-28 11:05:40,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:05:40,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:05:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:05:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:05:40,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-11-28 11:05:40,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:05:40,297 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:05:40,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 11:05:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:05:40,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:05:40,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:05:40,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:40,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:05:41,498 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-11-28 11:05:41,898 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-11-28 11:05:42,196 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-11-28 11:05:42,383 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-11-28 11:05:42,679 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-11-28 11:05:43,077 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 54 [2018-11-28 11:05:43,550 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-11-28 11:05:44,431 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2018-11-28 11:05:44,804 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-11-28 11:05:44,811 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2018-11-28 11:05:44,812 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2018-11-28 11:05:44,812 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2018-11-28 11:05:44,812 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2018-11-28 11:05:44,812 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2018-11-28 11:05:44,812 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-28 11:05:44,812 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2018-11-28 11:05:44,812 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2018-11-28 11:05:44,812 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse4 .cse5 (or .cse0 .cse2) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (not (= ~waterLevel~0 1))))) [2018-11-28 11:05:44,812 INFO L448 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2018-11-28 11:05:44,812 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2018-11-28 11:05:44,812 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2018-11-28 11:05:44,812 INFO L444 ceAbstractionStarter]: At program point L961(line 961) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse3 .cse5 (or .cse6 .cse4)) (or .cse5 .cse4 (or .cse6 .cse2)) (or .cse3 (or .cse6 .cse1 .cse4)) (or .cse6 .cse1 .cse4 .cse2))) [2018-11-28 11:05:44,813 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 965) no Hoare annotation was computed. [2018-11-28 11:05:44,813 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 968) no Hoare annotation was computed. [2018-11-28 11:05:44,813 INFO L444 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse7 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse5 .cse2)) (or .cse6 .cse7 (or .cse5 .cse1 .cse4)) (or .cse6 .cse0 .cse1 .cse4 .cse7) (or .cse6 .cse3 (or .cse5 .cse4) .cse7) (or .cse5 .cse1 .cse4 .cse2))) [2018-11-28 11:05:44,813 INFO L448 ceAbstractionStarter]: For program point L956-1(line 956) no Hoare annotation was computed. [2018-11-28 11:05:44,813 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 971) no Hoare annotation was computed. [2018-11-28 11:05:44,813 INFO L448 ceAbstractionStarter]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2018-11-28 11:05:44,813 INFO L451 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2018-11-28 11:05:44,813 INFO L448 ceAbstractionStarter]: For program point L952-1(line 952) no Hoare annotation was computed. [2018-11-28 11:05:44,813 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2018-11-28 11:05:44,813 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2018-11-28 11:05:44,813 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:05:44,813 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2018-11-28 11:05:44,813 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2018-11-28 11:05:44,814 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 11:05:44,814 INFO L444 ceAbstractionStarter]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-28 11:05:44,814 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 911) no Hoare annotation was computed. [2018-11-28 11:05:44,814 INFO L448 ceAbstractionStarter]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2018-11-28 11:05:44,814 INFO L448 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2018-11-28 11:05:44,814 INFO L444 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:05:44,814 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:05:44,814 INFO L444 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:05:44,814 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2018-11-28 11:05:44,814 INFO L444 ceAbstractionStarter]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 11:05:44,814 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (not (= ~waterLevel~0 2)))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-28 11:05:44,815 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2018-11-28 11:05:44,815 INFO L448 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2018-11-28 11:05:44,815 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-28 11:05:44,815 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-11-28 11:05:44,815 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-28 11:05:44,815 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2018-11-28 11:05:44,815 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2018-11-28 11:05:44,815 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:05:44,815 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2018-11-28 11:05:44,815 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:05:44,815 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2018-11-28 11:05:44,815 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-11-28 11:05:44,815 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-11-28 11:05:44,815 INFO L451 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-11-28 11:05:44,816 INFO L448 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-11-28 11:05:44,816 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-11-28 11:05:44,816 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) [2018-11-28 11:05:44,816 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-11-28 11:05:44,816 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-11-28 11:05:44,816 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse3 (or .cse1 .cse2 .cse0)) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-28 11:05:44,816 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2018-11-28 11:05:44,816 INFO L444 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= processEnvironment_~tmp~3 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-28 11:05:44,816 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2018-11-28 11:05:44,816 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= 2 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-28 11:05:44,816 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (or .cse4 .cse1 .cse2) .cse3) (or .cse3 .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-28 11:05:44,816 INFO L448 ceAbstractionStarter]: For program point L562(lines 562 570) no Hoare annotation was computed. [2018-11-28 11:05:44,817 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 (or .cse3 .cse1 .cse2) .cse4) (or .cse4 .cse2 (or .cse3 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-28 11:05:44,817 INFO L448 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2018-11-28 11:05:44,817 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 575) no Hoare annotation was computed. [2018-11-28 11:05:44,817 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-28 11:05:44,817 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-28 11:05:44,817 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-28 11:05:44,817 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-28 11:05:44,817 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2018-11-28 11:05:44,817 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2018-11-28 11:05:44,817 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:05:44,817 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (and .cse9 .cse5)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (and .cse9 .cse4 .cse5))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse3 .cse4 .cse5 .cse2) (and .cse0 .cse6 .cse2) (and .cse7 .cse1 .cse8 .cse2) (and .cse7 .cse6 .cse8 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0))))) [2018-11-28 11:05:44,817 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 739) no Hoare annotation was computed. [2018-11-28 11:05:44,817 INFO L448 ceAbstractionStarter]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2018-11-28 11:05:44,817 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2018-11-28 11:05:44,818 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2018-11-28 11:05:44,818 INFO L444 ceAbstractionStarter]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:05:44,818 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse1) (and (<= ~waterLevel~0 1) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-28 11:05:44,818 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 767) no Hoare annotation was computed. [2018-11-28 11:05:44,818 INFO L444 ceAbstractionStarter]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse4 .cse1 .cse2) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and (and .cse5 .cse2) (= ~systemActive~0 0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and .cse5 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:05:44,818 INFO L448 ceAbstractionStarter]: For program point L724(lines 723 772) no Hoare annotation was computed. [2018-11-28 11:05:44,818 INFO L444 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse2 .cse4)) (and (<= ~waterLevel~0 2) .cse3 .cse2 .cse4))) [2018-11-28 11:05:44,818 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 768) no Hoare annotation was computed. [2018-11-28 11:05:44,818 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse3 .cse1 .cse2 .cse4) (and (= ~systemActive~0 0) .cse0 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse6 .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:05:44,818 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 749) no Hoare annotation was computed. [2018-11-28 11:05:44,818 INFO L448 ceAbstractionStarter]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2018-11-28 11:05:44,819 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2018-11-28 11:05:44,819 INFO L444 ceAbstractionStarter]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse4 .cse0 .cse3 .cse6) (and .cse4 .cse7 .cse2 .cse3 .cse6) (and .cse5 .cse4 .cse7 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:05:44,819 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-28 11:05:44,819 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2018-11-28 11:05:44,819 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2018-11-28 11:05:44,819 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:05:44,819 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 11:05:44,819 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:05:44,819 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-28 11:05:44,819 INFO L448 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2018-11-28 11:05:44,819 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2018-11-28 11:05:44,819 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-28 11:05:44,819 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 601) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L451 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-28 11:05:44,820 INFO L448 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2018-11-28 11:05:44,821 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2018-11-28 11:05:44,821 INFO L451 ceAbstractionStarter]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2018-11-28 11:05:44,821 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2018-11-28 11:05:44,821 INFO L451 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2018-11-28 11:05:44,821 INFO L448 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-11-28 11:05:44,821 INFO L451 ceAbstractionStarter]: At program point L846(lines 821 850) the Hoare annotation is: true [2018-11-28 11:05:44,821 INFO L448 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2018-11-28 11:05:44,821 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-11-28 11:05:44,821 INFO L451 ceAbstractionStarter]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2018-11-28 11:05:44,821 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse2 .cse5)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 0 ~pumpRunning~0) .cse3 .cse5)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse8 .cse10) (or .cse1 (or .cse0 .cse8 .cse9) .cse11) (or (or .cse0 .cse8 .cse10) .cse11) (or .cse0 .cse8 .cse11 .cse4) (or (= 1 ~waterLevel~0) (or (or .cse8 .cse10) .cse7))))) [2018-11-28 11:05:44,821 INFO L444 ceAbstractionStarter]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse9 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse4 .cse8)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) .cse5 .cse8)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and .cse4 .cse5)) (or .cse6 (and .cse4 .cse5 .cse7 .cse8) .cse9 .cse10 .cse2 .cse11) (or .cse0 (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse1) (or .cse9 .cse10 .cse2 .cse3) (or .cse6 (or .cse1 .cse2 .cse11) .cse0) (or .cse1 .cse2 .cse0 .cse7) (or (= 1 ~waterLevel~0) (or (or .cse2 .cse3) .cse10))))) [2018-11-28 11:05:44,822 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= ~systemActive~0 0)) .cse0 .cse1) (or .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse2 .cse5 .cse6) (or .cse6 (or (or .cse2 .cse3) .cse4)) (or (or .cse1 .cse2 .cse5) .cse0))) [2018-11-28 11:05:44,822 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (let ((.cse9 (or .cse7 .cse2 .cse3)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (and (= ~pumpRunning~0 1) .cse13)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse6 (and (= 0 ~pumpRunning~0) .cse13)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse4) (or .cse10 .cse5 .cse7 .cse6) (or .cse7 .cse2 .cse6 .cse11) (or .cse10 .cse9 .cse6) (or .cse12 (or (or .cse2 .cse8) .cse1)) (or .cse10 .cse1 .cse2 .cse3 .cse12) (or .cse4 .cse5 (or .cse7 .cse3) .cse0) (or .cse6 (or .cse7 .cse2 .cse8)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse11)))) [2018-11-28 11:05:44,822 INFO L448 ceAbstractionStarter]: For program point L526(lines 522 544) no Hoare annotation was computed. [2018-11-28 11:05:44,822 INFO L448 ceAbstractionStarter]: For program point L524(lines 522 544) no Hoare annotation was computed. [2018-11-28 11:05:44,822 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2018-11-28 11:05:44,822 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2018-11-28 11:05:44,822 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-28 11:05:44,822 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-28 11:05:44,822 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-28 11:05:44,822 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 11:05:44,822 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-28 11:05:44,822 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-28 11:05:44,822 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2018-11-28 11:05:44,823 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2018-11-28 11:05:44,823 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:05:44,823 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-28 11:05:44,823 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:05:44,823 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:05:44,823 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2018-11-28 11:05:44,823 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: true [2018-11-28 11:05:44,823 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2018-11-28 11:05:44,823 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-28 11:05:44,823 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-28 11:05:44,823 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse4 .cse7)) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or (or .cse4 .cse7 (not (= |old(~waterLevel~0)| 1))) .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse7 .cse8 .cse2 .cse3)))) [2018-11-28 11:05:44,823 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-11-28 11:05:44,823 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-11-28 11:05:44,824 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-11-28 11:05:44,824 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-11-28 11:05:44,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:05:44 BoogieIcfgContainer [2018-11-28 11:05:44,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:05:44,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:05:44,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:05:44,836 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:05:44,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:05:33" (3/4) ... [2018-11-28 11:05:44,840 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:05:44,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:05:44,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:05:44,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:05:44,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:05:44,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 11:05:44,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:05:44,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:05:44,854 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 11:05:44,854 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:05:44,855 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:05:44,855 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:05:44,855 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:05:44,856 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:05:44,877 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-28 11:05:44,878 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 11:05:44,912 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b09cf0af-30a6-4286-afe8-9a1490621e1c/bin-2019/uautomizer/witness.graphml [2018-11-28 11:05:44,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:05:44,913 INFO L168 Benchmark]: Toolchain (without parser) took 12104.04 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 606.1 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -270.7 MB). Peak memory consumption was 335.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:05:44,914 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:05:44,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:05:44,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:05:44,914 INFO L168 Benchmark]: Boogie Preprocessor took 23.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:05:44,914 INFO L168 Benchmark]: RCFGBuilder took 463.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:05:44,915 INFO L168 Benchmark]: TraceAbstraction took 11158.14 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 486.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -189.4 MB). Peak memory consumption was 589.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:05:44,915 INFO L168 Benchmark]: Witness Printer took 76.18 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:05:44,916 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 463.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11158.14 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 486.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -189.4 MB). Peak memory consumption was 589.1 MB. Max. memory is 11.5 GB. * Witness Printer took 76.18 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 156 locations, 1 error locations. SAFE Result, 11.1s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2164 SDtfs, 1957 SDslu, 6301 SDs, 0 SdLazy, 4584 SolverSat, 878 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 622 GetRequests, 502 SyntacticMatches, 2 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1552occurred in iteration=8, 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 740 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2812 PreInvPairs, 3163 NumberOfFragments, 2547 HoareAnnotationTreeSize, 2812 FomulaSimplifications, 30326 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 21521 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1896 NumberOfCodeBlocks, 1896 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1883 ConstructedInterpolants, 0 QuantifiedInterpolants, 549823 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2203 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 1225/1261 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...