./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_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_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/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 81d3a03e2badb1d355e733e1f917b69305964186 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:40:09,809 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:40:09,810 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:40:09,817 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:40:09,817 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:40:09,818 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:40:09,819 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:40:09,821 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:40:09,822 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:40:09,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:40:09,823 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:40:09,823 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:40:09,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:40:09,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:40:09,826 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:40:09,826 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:40:09,827 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:40:09,828 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:40:09,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:40:09,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:40:09,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:40:09,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:40:09,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:40:09,835 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:40:09,835 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:40:09,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:40:09,837 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:40:09,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:40:09,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:40:09,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:40:09,839 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:40:09,840 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:40:09,840 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:40:09,840 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:40:09,841 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:40:09,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:40:09,842 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:40:09,852 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:40:09,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:40:09,853 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:40:09,854 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:40:09,854 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:40:09,854 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:40:09,854 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:40:09,855 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:40:09,855 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:40:09,855 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:40:09,855 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:40:09,855 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:40:09,855 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:40:09,855 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:40:09,856 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:40:09,856 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:40:09,856 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:40:09,856 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:40:09,856 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:40:09,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:40:09,857 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:40:09,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:40:09,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:40:09,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:40:09,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:40:09,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:40:09,858 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:40:09,858 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:40:09,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:40:09,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:40:09,858 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_ef80114a-a64a-4507-96a4-f809e189866b/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2018-11-28 11:40:09,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:40:09,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:40:09,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:40:09,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:40:09,895 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:40:09,896 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-28 11:40:09,944 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/data/86fdeb81f/4735b3280b5b459bb8a1cdbed70ebe62/FLAG299833a9e [2018-11-28 11:40:10,378 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:40:10,378 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-28 11:40:10,389 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/data/86fdeb81f/4735b3280b5b459bb8a1cdbed70ebe62/FLAG299833a9e [2018-11-28 11:40:10,405 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/data/86fdeb81f/4735b3280b5b459bb8a1cdbed70ebe62 [2018-11-28 11:40:10,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:40:10,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:40:10,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:40:10,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:40:10,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:40:10,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10, skipping insertion in model container [2018-11-28 11:40:10,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:40:10,449 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:40:10,651 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:40:10,714 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:40:10,772 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:40:10,792 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:40:10,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10 WrapperNode [2018-11-28 11:40:10,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:40:10,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:40:10,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:40:10,793 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:40:10,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:40:10,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:40:10,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:40:10,821 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:40:10,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... [2018-11-28 11:40:10,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:40:10,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:40:10,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:40:10,851 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:40:10,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/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 11:40:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:40:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:40:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:40:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:40:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:40:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:40:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:40:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:40:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:40:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:40:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:40:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:40:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:40:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:40:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:40:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:40:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:40:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:40:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:40:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:40:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:40:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:40:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:40:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:40:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:40:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:40:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:40:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:40:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:40:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:40:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:40:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:40:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:40:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:40:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:40:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:40:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:40:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:40:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:40:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:40:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:40:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:40:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:40:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:40:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:40:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:40:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:40:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:40:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:40:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:40:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:40:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:40:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:40:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:40:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:40:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:40:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:40:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:40:11,377 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:40:11,378 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:40:11,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:40:11 BoogieIcfgContainer [2018-11-28 11:40:11,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:40:11,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:40:11,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:40:11,381 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:40:11,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:40:10" (1/3) ... [2018-11-28 11:40:11,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c18f3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:40:11, skipping insertion in model container [2018-11-28 11:40:11,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:40:10" (2/3) ... [2018-11-28 11:40:11,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c18f3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:40:11, skipping insertion in model container [2018-11-28 11:40:11,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:40:11" (3/3) ... [2018-11-28 11:40:11,384 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-11-28 11:40:11,391 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:40:11,397 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:40:11,408 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:40:11,431 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:40:11,431 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:40:11,431 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:40:11,431 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:40:11,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:40:11,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:40:11,432 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:40:11,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:40:11,432 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:40:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-28 11:40:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:40:11,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:11,457 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:11,459 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:11,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:11,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1160720793, now seen corresponding path program 1 times [2018-11-28 11:40:11,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:11,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:11,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:11,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:11,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:11,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:11,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:40:11,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:40:11,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:40:11,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:40:11,656 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-28 11:40:11,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:11,686 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-11-28 11:40:11,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:40:11,687 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 11:40:11,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:11,695 INFO L225 Difference]: With dead ends: 268 [2018-11-28 11:40:11,695 INFO L226 Difference]: Without dead ends: 134 [2018-11-28 11:40:11,698 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 11:40:11,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-28 11:40:11,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-28 11:40:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-28 11:40:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-11-28 11:40:11,733 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 52 [2018-11-28 11:40:11,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:11,734 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-11-28 11:40:11,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:40:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-11-28 11:40:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 11:40:11,737 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:11,738 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:11,738 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:11,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:11,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1969471298, now seen corresponding path program 1 times [2018-11-28 11:40:11,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:11,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:11,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:11,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:11,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:11,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:11,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:40:11,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:40:11,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:40:11,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:40:11,837 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2018-11-28 11:40:11,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:11,860 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2018-11-28 11:40:11,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:40:11,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 11:40:11,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:11,863 INFO L225 Difference]: With dead ends: 217 [2018-11-28 11:40:11,863 INFO L226 Difference]: Without dead ends: 125 [2018-11-28 11:40:11,864 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 11:40:11,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-28 11:40:11,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-28 11:40:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-28 11:40:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2018-11-28 11:40:11,872 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2018-11-28 11:40:11,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:11,872 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2018-11-28 11:40:11,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:40:11,872 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2018-11-28 11:40:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 11:40:11,873 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:11,874 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:11,874 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:11,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:11,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1167765115, now seen corresponding path program 1 times [2018-11-28 11:40:11,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:11,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:11,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:11,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:11,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:12,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:12,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:40:12,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:40:12,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:40:12,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:40:12,005 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 7 states. [2018-11-28 11:40:12,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:12,243 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2018-11-28 11:40:12,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:40:12,243 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 11:40:12,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:12,244 INFO L225 Difference]: With dead ends: 226 [2018-11-28 11:40:12,244 INFO L226 Difference]: Without dead ends: 125 [2018-11-28 11:40:12,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:40:12,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-28 11:40:12,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-28 11:40:12,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-28 11:40:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2018-11-28 11:40:12,253 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 57 [2018-11-28 11:40:12,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:12,253 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2018-11-28 11:40:12,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:40:12,253 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2018-11-28 11:40:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 11:40:12,254 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:12,255 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:12,255 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:12,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:12,255 INFO L82 PathProgramCache]: Analyzing trace with hash 203465218, now seen corresponding path program 1 times [2018-11-28 11:40:12,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:12,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:12,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:12,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:12,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:12,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:12,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:40:12,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:40:12,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:40:12,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:40:12,374 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2018-11-28 11:40:12,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:12,924 INFO L93 Difference]: Finished difference Result 332 states and 399 transitions. [2018-11-28 11:40:12,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:40:12,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 11:40:12,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:12,928 INFO L225 Difference]: With dead ends: 332 [2018-11-28 11:40:12,928 INFO L226 Difference]: Without dead ends: 231 [2018-11-28 11:40:12,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:40:12,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-11-28 11:40:12,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 213. [2018-11-28 11:40:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-28 11:40:12,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 243 transitions. [2018-11-28 11:40:12,960 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 243 transitions. Word has length 70 [2018-11-28 11:40:12,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:12,960 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 243 transitions. [2018-11-28 11:40:12,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:40:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 243 transitions. [2018-11-28 11:40:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 11:40:12,962 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:12,963 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:12,963 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:12,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:12,964 INFO L82 PathProgramCache]: Analyzing trace with hash -944503591, now seen corresponding path program 1 times [2018-11-28 11:40:12,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:12,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:12,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:12,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:12,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:13,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:13,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:40:13,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:40:13,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:40:13,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:40:13,068 INFO L87 Difference]: Start difference. First operand 213 states and 243 transitions. Second operand 8 states. [2018-11-28 11:40:13,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:13,113 INFO L93 Difference]: Finished difference Result 409 states and 479 transitions. [2018-11-28 11:40:13,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:40:13,114 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-28 11:40:13,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:13,117 INFO L225 Difference]: With dead ends: 409 [2018-11-28 11:40:13,117 INFO L226 Difference]: Without dead ends: 220 [2018-11-28 11:40:13,118 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 11:40:13,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-28 11:40:13,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2018-11-28 11:40:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-28 11:40:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 247 transitions. [2018-11-28 11:40:13,142 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 247 transitions. Word has length 84 [2018-11-28 11:40:13,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:13,143 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 247 transitions. [2018-11-28 11:40:13,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:40:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 247 transitions. [2018-11-28 11:40:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 11:40:13,144 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:13,144 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:13,144 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:13,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:13,145 INFO L82 PathProgramCache]: Analyzing trace with hash -100498089, now seen corresponding path program 1 times [2018-11-28 11:40:13,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:13,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:13,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:13,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:13,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:13,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:40:13,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:40:13,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:40:13,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:40:13,247 INFO L87 Difference]: Start difference. First operand 217 states and 247 transitions. Second operand 6 states. [2018-11-28 11:40:13,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:13,408 INFO L93 Difference]: Finished difference Result 522 states and 626 transitions. [2018-11-28 11:40:13,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:40:13,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 11:40:13,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:13,411 INFO L225 Difference]: With dead ends: 522 [2018-11-28 11:40:13,411 INFO L226 Difference]: Without dead ends: 329 [2018-11-28 11:40:13,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:40:13,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-28 11:40:13,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2018-11-28 11:40:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-11-28 11:40:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 376 transitions. [2018-11-28 11:40:13,450 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 376 transitions. Word has length 84 [2018-11-28 11:40:13,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:13,451 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 376 transitions. [2018-11-28 11:40:13,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:40:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 376 transitions. [2018-11-28 11:40:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:40:13,451 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:13,451 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:13,452 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:13,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:13,452 INFO L82 PathProgramCache]: Analyzing trace with hash 2100826833, now seen corresponding path program 1 times [2018-11-28 11:40:13,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:13,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:13,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:13,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:13,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:13,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:40:13,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:40:13,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:40:13,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:40:13,535 INFO L87 Difference]: Start difference. First operand 325 states and 376 transitions. Second operand 6 states. [2018-11-28 11:40:13,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:13,650 INFO L93 Difference]: Finished difference Result 702 states and 847 transitions. [2018-11-28 11:40:13,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:40:13,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 11:40:13,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:13,653 INFO L225 Difference]: With dead ends: 702 [2018-11-28 11:40:13,653 INFO L226 Difference]: Without dead ends: 509 [2018-11-28 11:40:13,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:40:13,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-11-28 11:40:13,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 491. [2018-11-28 11:40:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2018-11-28 11:40:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 582 transitions. [2018-11-28 11:40:13,677 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 582 transitions. Word has length 88 [2018-11-28 11:40:13,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:13,678 INFO L480 AbstractCegarLoop]: Abstraction has 491 states and 582 transitions. [2018-11-28 11:40:13,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:40:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 582 transitions. [2018-11-28 11:40:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:40:13,679 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:13,679 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:13,680 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:13,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:13,680 INFO L82 PathProgramCache]: Analyzing trace with hash 334137748, now seen corresponding path program 1 times [2018-11-28 11:40:13,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:13,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:13,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:13,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:13,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:13,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:40:13,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:40:13,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:40:13,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:40:13,742 INFO L87 Difference]: Start difference. First operand 491 states and 582 transitions. Second operand 9 states. [2018-11-28 11:40:13,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:13,779 INFO L93 Difference]: Finished difference Result 866 states and 1039 transitions. [2018-11-28 11:40:13,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:40:13,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-28 11:40:13,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:13,782 INFO L225 Difference]: With dead ends: 866 [2018-11-28 11:40:13,782 INFO L226 Difference]: Without dead ends: 507 [2018-11-28 11:40:13,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:40:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-11-28 11:40:13,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 504. [2018-11-28 11:40:13,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-11-28 11:40:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 596 transitions. [2018-11-28 11:40:13,801 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 596 transitions. Word has length 88 [2018-11-28 11:40:13,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:13,801 INFO L480 AbstractCegarLoop]: Abstraction has 504 states and 596 transitions. [2018-11-28 11:40:13,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:40:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 596 transitions. [2018-11-28 11:40:13,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:40:13,803 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:13,803 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:13,803 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:13,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:13,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1178143250, now seen corresponding path program 1 times [2018-11-28 11:40:13,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:13,804 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:13,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:13,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:13,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:13,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:40:13,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:40:13,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:40:13,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:40:13,856 INFO L87 Difference]: Start difference. First operand 504 states and 596 transitions. Second operand 5 states. [2018-11-28 11:40:13,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:13,887 INFO L93 Difference]: Finished difference Result 861 states and 1039 transitions. [2018-11-28 11:40:13,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:40:13,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-11-28 11:40:13,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:13,892 INFO L225 Difference]: With dead ends: 861 [2018-11-28 11:40:13,892 INFO L226 Difference]: Without dead ends: 489 [2018-11-28 11:40:13,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:40:13,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-11-28 11:40:13,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-11-28 11:40:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-11-28 11:40:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 576 transitions. [2018-11-28 11:40:13,918 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 576 transitions. Word has length 88 [2018-11-28 11:40:13,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:13,918 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 576 transitions. [2018-11-28 11:40:13,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:40:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 576 transitions. [2018-11-28 11:40:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 11:40:13,920 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:13,920 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:13,920 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:13,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:13,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1853727931, now seen corresponding path program 1 times [2018-11-28 11:40:13,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:13,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:13,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:13,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:14,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:14,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:14,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 11:40:14,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 11:40:14,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 11:40:14,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:40:14,005 INFO L87 Difference]: Start difference. First operand 489 states and 576 transitions. Second operand 10 states. [2018-11-28 11:40:14,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:14,164 INFO L93 Difference]: Finished difference Result 960 states and 1134 transitions. [2018-11-28 11:40:14,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:40:14,165 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-11-28 11:40:14,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:14,167 INFO L225 Difference]: With dead ends: 960 [2018-11-28 11:40:14,167 INFO L226 Difference]: Without dead ends: 495 [2018-11-28 11:40:14,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:40:14,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-11-28 11:40:14,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 478. [2018-11-28 11:40:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-11-28 11:40:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 545 transitions. [2018-11-28 11:40:14,192 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 545 transitions. Word has length 89 [2018-11-28 11:40:14,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:14,192 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 545 transitions. [2018-11-28 11:40:14,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 11:40:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 545 transitions. [2018-11-28 11:40:14,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-28 11:40:14,194 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:14,194 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:14,194 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:14,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:14,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1704840315, now seen corresponding path program 1 times [2018-11-28 11:40:14,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:14,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:14,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:14,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:14,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 11:40:14,248 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:40:14,248 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/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 11:40:14,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:14,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:40:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 11:40:14,535 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:40:14,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-11-28 11:40:14,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:40:14,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:40:14,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:40:14,537 INFO L87 Difference]: Start difference. First operand 478 states and 545 transitions. Second operand 13 states. [2018-11-28 11:40:15,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:15,362 INFO L93 Difference]: Finished difference Result 1016 states and 1227 transitions. [2018-11-28 11:40:15,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 11:40:15,362 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 134 [2018-11-28 11:40:15,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:15,364 INFO L225 Difference]: With dead ends: 1016 [2018-11-28 11:40:15,364 INFO L226 Difference]: Without dead ends: 625 [2018-11-28 11:40:15,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-11-28 11:40:15,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2018-11-28 11:40:15,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 555. [2018-11-28 11:40:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-11-28 11:40:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 625 transitions. [2018-11-28 11:40:15,386 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 625 transitions. Word has length 134 [2018-11-28 11:40:15,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:15,386 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 625 transitions. [2018-11-28 11:40:15,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:40:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 625 transitions. [2018-11-28 11:40:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-28 11:40:15,388 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:15,388 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:15,388 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:40:15,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:15,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1360572798, now seen corresponding path program 1 times [2018-11-28 11:40:15,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:40:15,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:40:15,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:15,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:15,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:40:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-28 11:40:15,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:40:15,457 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/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 11:40:15,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:15,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:40:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-28 11:40:15,647 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:40:15,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 11:40:15,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 11:40:15,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 11:40:15,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 11:40:15,648 INFO L87 Difference]: Start difference. First operand 555 states and 625 transitions. Second operand 15 states. [2018-11-28 11:40:17,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:17,194 INFO L93 Difference]: Finished difference Result 2101 states and 2932 transitions. [2018-11-28 11:40:17,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 11:40:17,195 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-11-28 11:40:17,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:17,196 INFO L225 Difference]: With dead ends: 2101 [2018-11-28 11:40:17,196 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:40:17,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 11:40:17,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:40:17,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:40:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:40:17,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:40:17,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-11-28 11:40:17,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:17,200 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:40:17,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 11:40:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:40:17,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:40:17,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:40:17,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:40:17,898 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 21 [2018-11-28 11:40:18,711 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 32 [2018-11-28 11:40:18,931 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 32 [2018-11-28 11:40:19,063 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 26 [2018-11-28 11:40:19,208 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 22 [2018-11-28 11:40:20,382 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2018-11-28 11:40:20,539 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2018-11-28 11:40:20,539 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2018-11-28 11:40:20,539 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2018-11-28 11:40:20,539 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2018-11-28 11:40:20,539 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2018-11-28 11:40:20,539 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:40:20,540 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2018-11-28 11:40:20,540 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:40:20,540 INFO L444 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:40:20,540 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 948) no Hoare annotation was computed. [2018-11-28 11:40:20,540 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2018-11-28 11:40:20,540 INFO L448 ceAbstractionStarter]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2018-11-28 11:40:20,540 INFO L448 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2018-11-28 11:40:20,540 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:40:20,540 INFO L444 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:40:20,540 INFO L444 ceAbstractionStarter]: At program point L937-1(line 937) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:40:20,540 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2018-11-28 11:40:20,541 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 241) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L451 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2018-11-28 11:40:20,541 INFO L448 ceAbstractionStarter]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L448 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2018-11-28 11:40:20,541 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2018-11-28 11:40:20,541 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:40:20,541 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2018-11-28 11:40:20,541 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 11:40:20,542 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2018-11-28 11:40:20,542 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2018-11-28 11:40:20,542 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2018-11-28 11:40:20,542 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-11-28 11:40:20,542 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2018-11-28 11:40:20,542 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2018-11-28 11:40:20,542 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:40:20,542 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:40:20,542 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 128) no Hoare annotation was computed. [2018-11-28 11:40:20,542 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2018-11-28 11:40:20,542 INFO L444 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:40:20,542 INFO L448 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-11-28 11:40:20,542 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 133) no Hoare annotation was computed. [2018-11-28 11:40:20,543 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-28 11:40:20,543 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-28 11:40:20,543 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2018-11-28 11:40:20,543 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-11-28 11:40:20,543 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-11-28 11:40:20,543 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:40:20,543 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:40:20,543 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-11-28 11:40:20,543 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-11-28 11:40:20,543 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2018-11-28 11:40:20,543 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:40:20,544 INFO L444 ceAbstractionStarter]: At program point L304(lines 261 306) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:40:20,544 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 277) no Hoare annotation was computed. [2018-11-28 11:40:20,544 INFO L448 ceAbstractionStarter]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2018-11-28 11:40:20,544 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-11-28 11:40:20,544 INFO L444 ceAbstractionStarter]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:40:20,544 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 301) no Hoare annotation was computed. [2018-11-28 11:40:20,544 INFO L444 ceAbstractionStarter]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:40:20,544 INFO L448 ceAbstractionStarter]: For program point L262(lines 261 306) no Hoare annotation was computed. [2018-11-28 11:40:20,544 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2018-11-28 11:40:20,544 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2018-11-28 11:40:20,544 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2018-11-28 11:40:20,544 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2018-11-28 11:40:20,544 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-11-28 11:40:20,545 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L451 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2018-11-28 11:40:20,545 INFO L448 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-11-28 11:40:20,546 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2018-11-28 11:40:20,546 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2018-11-28 11:40:20,546 INFO L448 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-11-28 11:40:20,546 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or .cse7 .cse5 .cse3 .cse6)))) [2018-11-28 11:40:20,546 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2018-11-28 11:40:20,546 INFO L448 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-11-28 11:40:20,548 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2018-11-28 11:40:20,548 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: true [2018-11-28 11:40:20,548 INFO L451 ceAbstractionStarter]: At program point L885(lines 860 889) the Hoare annotation is: true [2018-11-28 11:40:20,548 INFO L448 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-11-28 11:40:20,549 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2018-11-28 11:40:20,549 INFO L451 ceAbstractionStarter]: At program point L874-1(lines 874 878) the Hoare annotation is: true [2018-11-28 11:40:20,549 INFO L448 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-11-28 11:40:20,549 INFO L451 ceAbstractionStarter]: At program point L870-2(lines 870 884) the Hoare annotation is: true [2018-11-28 11:40:20,549 INFO L451 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2018-11-28 11:40:20,549 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2018-11-28 11:40:20,549 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2018-11-28 11:40:20,549 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2018-11-28 11:40:20,549 INFO L444 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse15 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~pumpRunning~0)) (.cse16 (<= ~waterLevel~0 1)) (.cse14 (= ~systemActive~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse12 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (not .cse12)) (.cse4 (and .cse15 .cse7 .cse8 .cse16 .cse14 .cse6)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1))) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse13 (and .cse7 .cse8 (not .cse15) .cse16 .cse6)) (.cse2 (not .cse14))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (let ((.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 0))) (or (and .cse5 .cse6) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) (and .cse7 .cse8 .cse9) .cse10 (and .cse5 .cse8) (and .cse7 .cse9 .cse6))) (or .cse1 .cse11 .cse10 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse12 .cse13 .cse2) (or (= 1 ~waterLevel~0) .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse1 .cse11 .cse12 .cse10 .cse13 .cse2)))) [2018-11-28 11:40:20,549 INFO L444 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse0))) [2018-11-28 11:40:20,549 INFO L448 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-11-28 11:40:20,550 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse4) (or (= 1 ~waterLevel~0) .cse3 .cse5 (not (= |old(~waterLevel~0)| 1))) (or .cse1 .cse3 .cse2 .cse5)))) [2018-11-28 11:40:20,550 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-11-28 11:40:20,550 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-11-28 11:40:20,550 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (and .cse1 (<= ~waterLevel~0 0) .cse2) .cse3 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (or .cse2 .cse4 .cse3 .cse0) (or .cse4 .cse1 .cse3 .cse0) (or (= 1 ~waterLevel~0) .cse4 .cse0 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 11:40:20,550 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2018-11-28 11:40:20,550 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2018-11-28 11:40:20,550 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-28 11:40:20,550 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2018-11-28 11:40:20,550 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (= __utac_acc__Specification3_spec__1_~tmp~5 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) (or .cse3 .cse1 .cse2) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2018-11-28 11:40:20,550 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-11-28 11:40:20,550 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 346) no Hoare annotation was computed. [2018-11-28 11:40:20,551 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2018-11-28 11:40:20,551 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification3_spec__1_~tmp~5 ~methaneLevelCritical~0)) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse1 .cse2 .cse3))) [2018-11-28 11:40:20,551 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-11-28 11:40:20,551 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-11-28 11:40:20,551 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-11-28 11:40:20,551 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-28 11:40:20,551 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= ~waterLevel~0 2) (< 2 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1))) [2018-11-28 11:40:20,551 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2018-11-28 11:40:20,551 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2018-11-28 11:40:20,551 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2018-11-28 11:40:20,551 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2018-11-28 11:40:20,551 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:40:20,551 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 11:40:20,551 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:40:20,552 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:40:20,552 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-28 11:40:20,552 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 (< 2 ~waterLevel~0) .cse0) (or (< 0 ~waterLevel~0) .cse1 .cse0))) [2018-11-28 11:40:20,552 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-11-28 11:40:20,552 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-28 11:40:20,552 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2018-11-28 11:40:20,552 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-11-28 11:40:20,552 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-11-28 11:40:20,552 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:40:20,552 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-11-28 11:40:20,552 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse0))) [2018-11-28 11:40:20,552 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-11-28 11:40:20,553 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2018-11-28 11:40:20,553 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< 2 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) .cse1) (or (or (< 1 |old(~waterLevel~0)|) (not (= 0 ~pumpRunning~0)) .cse1) .cse0))) [2018-11-28 11:40:20,553 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2018-11-28 11:40:20,553 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-11-28 11:40:20,553 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2018-11-28 11:40:20,553 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2018-11-28 11:40:20,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:40:20 BoogieIcfgContainer [2018-11-28 11:40:20,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:40:20,568 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:40:20,568 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:40:20,568 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:40:20,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:40:11" (3/4) ... [2018-11-28 11:40:20,572 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:40:20,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:40:20,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:40:20,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:40:20,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:40:20,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:40:20,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:40:20,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:40:20,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:40:20,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:40:20,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:40:20,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:40:20,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:40:20,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:40:20,587 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 11:40:20,588 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:40:20,588 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:40:20,588 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:40:20,589 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:40:20,589 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:40:20,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:40:20,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:40:20,644 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ef80114a-a64a-4507-96a4-f809e189866b/bin-2019/uautomizer/witness.graphml [2018-11-28 11:40:20,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:40:20,646 INFO L168 Benchmark]: Toolchain (without parser) took 10238.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 413.1 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 245.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:20,646 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:40:20,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:20,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:40:20,647 INFO L168 Benchmark]: Boogie Preprocessor took 30.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:20,647 INFO L168 Benchmark]: RCFGBuilder took 526.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:20,647 INFO L168 Benchmark]: TraceAbstraction took 9188.74 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.7 MB). Peak memory consumption was 541.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:20,647 INFO L168 Benchmark]: Witness Printer took 76.57 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:40:20,648 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9188.74 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.7 MB). Peak memory consumption was 541.5 MB. Max. memory is 11.5 GB. * Witness Printer took 76.57 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: 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: 261]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2001 SDtfs, 1726 SDslu, 6957 SDs, 0 SdLazy, 4868 SolverSat, 945 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 441 GetRequests, 315 SyntacticMatches, 2 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=555occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 133 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1988 PreInvPairs, 2423 NumberOfFragments, 1540 HoareAnnotationTreeSize, 1988 FomulaSimplifications, 11939 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 23195 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1297 NumberOfCodeBlocks, 1297 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1283 ConstructedInterpolants, 0 QuantifiedInterpolants, 223460 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1636 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 80/96 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...