./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/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 b53c74b3fbc69a335e393da17bbcb1aa5d3461be ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:12:56,819 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:12:56,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:12:56,826 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:12:56,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:12:56,827 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:12:56,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:12:56,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:12:56,830 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:12:56,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:12:56,831 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:12:56,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:12:56,832 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:12:56,833 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:12:56,834 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:12:56,834 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:12:56,835 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:12:56,836 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:12:56,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:12:56,838 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:12:56,839 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:12:56,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:12:56,841 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:12:56,841 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:12:56,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:12:56,842 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:12:56,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:12:56,843 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:12:56,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:12:56,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:12:56,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:12:56,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:12:56,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:12:56,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:12:56,846 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:12:56,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:12:56,847 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 07:12:56,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:12:56,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:12:56,854 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:12:56,854 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:12:56,854 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:12:56,854 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:12:56,854 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:12:56,855 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:12:56,855 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:12:56,855 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:12:56,855 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:12:56,855 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:12:56,855 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:12:56,855 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:12:56,855 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:12:56,855 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:12:56,856 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:12:56,856 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:12:56,856 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:12:56,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:12:56,856 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:12:56,856 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:12:56,856 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:12:56,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:12:56,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:12:56,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:12:56,857 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:12:56,857 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:12:56,857 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:12:56,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:12:56,857 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_ce6a1d87-8175-476c-ae66-7dd1997a3a72/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 -> b53c74b3fbc69a335e393da17bbcb1aa5d3461be [2018-11-23 07:12:56,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:12:56,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:12:56,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:12:56,894 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:12:56,894 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:12:56,895 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-11-23 07:12:56,930 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/data/a57a123a3/fec10ae35ca542b1a4b330786e8d7c6f/FLAG9bc5faad2 [2018-11-23 07:12:57,348 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:12:57,349 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-11-23 07:12:57,355 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/data/a57a123a3/fec10ae35ca542b1a4b330786e8d7c6f/FLAG9bc5faad2 [2018-11-23 07:12:57,363 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/data/a57a123a3/fec10ae35ca542b1a4b330786e8d7c6f [2018-11-23 07:12:57,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:12:57,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:12:57,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:12:57,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:12:57,369 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:12:57,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57, skipping insertion in model container [2018-11-23 07:12:57,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:12:57,410 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:12:57,594 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:12:57,650 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:12:57,707 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:12:57,730 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:12:57,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57 WrapperNode [2018-11-23 07:12:57,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:12:57,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:12:57,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:12:57,731 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:12:57,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:12:57,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:12:57,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:12:57,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:12:57,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... [2018-11-23 07:12:57,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:12:57,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:12:57,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:12:57,784 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:12:57,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:12:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:12:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:12:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:12:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 07:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 07:12:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:12:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:12:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:12:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 07:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 07:12:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:12:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:12:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 07:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 07:12:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 07:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 07:12:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 07:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 07:12:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 07:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 07:12:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 07:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 07:12:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:12:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:12:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:12:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:12:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 07:12:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 07:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:12:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:12:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:12:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:12:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 07:12:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 07:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:12:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:12:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 07:12:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 07:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 07:12:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 07:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:12:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:12:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:12:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 07:12:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 07:12:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:12:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:12:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:12:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:12:58,266 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:12:58,266 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:12:58,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:12:58 BoogieIcfgContainer [2018-11-23 07:12:58,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:12:58,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:12:58,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:12:58,269 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:12:58,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:12:57" (1/3) ... [2018-11-23 07:12:58,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732a1d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:12:58, skipping insertion in model container [2018-11-23 07:12:58,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:57" (2/3) ... [2018-11-23 07:12:58,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732a1d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:12:58, skipping insertion in model container [2018-11-23 07:12:58,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:12:58" (3/3) ... [2018-11-23 07:12:58,272 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-11-23 07:12:58,278 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:12:58,283 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:12:58,292 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:12:58,312 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:12:58,313 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:12:58,313 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:12:58,313 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:12:58,313 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:12:58,313 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:12:58,313 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:12:58,313 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:12:58,313 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:12:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-11-23 07:12:58,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:12:58,335 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:12:58,336 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] [2018-11-23 07:12:58,338 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:12:58,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:12:58,342 INFO L82 PathProgramCache]: Analyzing trace with hash -497022840, now seen corresponding path program 1 times [2018-11-23 07:12:58,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:12:58,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:12:58,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:58,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:12:58,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:12:58,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:12:58,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:12:58,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:12:58,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:12:58,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:12:58,535 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-11-23 07:12:58,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:12:58,567 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2018-11-23 07:12:58,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:12:58,569 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 07:12:58,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:12:58,578 INFO L225 Difference]: With dead ends: 320 [2018-11-23 07:12:58,578 INFO L226 Difference]: Without dead ends: 160 [2018-11-23 07:12:58,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:12:58,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-11-23 07:12:58,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-11-23 07:12:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-11-23 07:12:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 190 transitions. [2018-11-23 07:12:58,620 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 190 transitions. Word has length 52 [2018-11-23 07:12:58,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:12:58,621 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 190 transitions. [2018-11-23 07:12:58,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:12:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 190 transitions. [2018-11-23 07:12:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 07:12:58,623 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:12:58,624 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] [2018-11-23 07:12:58,624 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:12:58,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:12:58,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2120666563, now seen corresponding path program 1 times [2018-11-23 07:12:58,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:12:58,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:12:58,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:58,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:12:58,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:12:58,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:12:58,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:12:58,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:12:58,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:12:58,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:12:58,698 INFO L87 Difference]: Start difference. First operand 160 states and 190 transitions. Second operand 3 states. [2018-11-23 07:12:58,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:12:58,723 INFO L93 Difference]: Finished difference Result 265 states and 315 transitions. [2018-11-23 07:12:58,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:12:58,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 07:12:58,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:12:58,726 INFO L225 Difference]: With dead ends: 265 [2018-11-23 07:12:58,726 INFO L226 Difference]: Without dead ends: 151 [2018-11-23 07:12:58,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:12:58,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-23 07:12:58,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-23 07:12:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-23 07:12:58,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2018-11-23 07:12:58,739 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 53 [2018-11-23 07:12:58,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:12:58,740 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2018-11-23 07:12:58,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:12:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2018-11-23 07:12:58,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 07:12:58,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:12:58,742 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] [2018-11-23 07:12:58,742 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:12:58,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:12:58,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1417953152, now seen corresponding path program 1 times [2018-11-23 07:12:58,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:12:58,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:12:58,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:58,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:12:58,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:12:58,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:12:58,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:12:58,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:12:58,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:12:58,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:12:58,838 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand 3 states. [2018-11-23 07:12:58,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:12:58,857 INFO L93 Difference]: Finished difference Result 278 states and 333 transitions. [2018-11-23 07:12:58,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:12:58,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-23 07:12:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:12:58,859 INFO L225 Difference]: With dead ends: 278 [2018-11-23 07:12:58,859 INFO L226 Difference]: Without dead ends: 151 [2018-11-23 07:12:58,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:12:58,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-23 07:12:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-23 07:12:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-23 07:12:58,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 177 transitions. [2018-11-23 07:12:58,872 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 177 transitions. Word has length 58 [2018-11-23 07:12:58,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:12:58,872 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 177 transitions. [2018-11-23 07:12:58,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:12:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 177 transitions. [2018-11-23 07:12:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 07:12:58,874 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:12:58,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:12:58,875 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:12:58,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:12:58,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1963241690, now seen corresponding path program 1 times [2018-11-23 07:12:58,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:12:58,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:12:58,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:58,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:12:58,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:12:58,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:12:58,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:12:58,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:12:58,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:12:58,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:12:58,963 INFO L87 Difference]: Start difference. First operand 151 states and 177 transitions. Second operand 5 states. [2018-11-23 07:12:59,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:12:59,376 INFO L93 Difference]: Finished difference Result 404 states and 488 transitions. [2018-11-23 07:12:59,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:12:59,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-11-23 07:12:59,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:12:59,379 INFO L225 Difference]: With dead ends: 404 [2018-11-23 07:12:59,379 INFO L226 Difference]: Without dead ends: 277 [2018-11-23 07:12:59,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:12:59,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-11-23 07:12:59,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 258. [2018-11-23 07:12:59,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-11-23 07:12:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 293 transitions. [2018-11-23 07:12:59,405 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 293 transitions. Word has length 76 [2018-11-23 07:12:59,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:12:59,406 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 293 transitions. [2018-11-23 07:12:59,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:12:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 293 transitions. [2018-11-23 07:12:59,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 07:12:59,408 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:12:59,408 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:12:59,409 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:12:59,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:12:59,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1316182276, now seen corresponding path program 1 times [2018-11-23 07:12:59,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:12:59,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:12:59,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:59,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:12:59,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:12:59,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:12:59,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 07:12:59,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:12:59,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:12:59,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:12:59,524 INFO L87 Difference]: Start difference. First operand 258 states and 293 transitions. Second operand 8 states. [2018-11-23 07:12:59,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:12:59,564 INFO L93 Difference]: Finished difference Result 499 states and 581 transitions. [2018-11-23 07:12:59,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:12:59,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2018-11-23 07:12:59,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:12:59,571 INFO L225 Difference]: With dead ends: 499 [2018-11-23 07:12:59,571 INFO L226 Difference]: Without dead ends: 265 [2018-11-23 07:12:59,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:12:59,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-11-23 07:12:59,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 262. [2018-11-23 07:12:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-11-23 07:12:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 297 transitions. [2018-11-23 07:12:59,589 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 297 transitions. Word has length 90 [2018-11-23 07:12:59,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:12:59,590 INFO L480 AbstractCegarLoop]: Abstraction has 262 states and 297 transitions. [2018-11-23 07:12:59,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:12:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 297 transitions. [2018-11-23 07:12:59,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 07:12:59,591 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:12:59,591 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:12:59,592 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:12:59,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:12:59,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1975713798, now seen corresponding path program 1 times [2018-11-23 07:12:59,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:12:59,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:12:59,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:59,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:12:59,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:12:59,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:12:59,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:12:59,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:12:59,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:12:59,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:12:59,661 INFO L87 Difference]: Start difference. First operand 262 states and 297 transitions. Second operand 6 states. [2018-11-23 07:12:59,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:12:59,799 INFO L93 Difference]: Finished difference Result 641 states and 759 transitions. [2018-11-23 07:12:59,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:12:59,801 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-23 07:12:59,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:12:59,803 INFO L225 Difference]: With dead ends: 641 [2018-11-23 07:12:59,803 INFO L226 Difference]: Without dead ends: 403 [2018-11-23 07:12:59,804 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 [2018-11-23 07:12:59,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-11-23 07:12:59,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-11-23 07:12:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-11-23 07:12:59,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 457 transitions. [2018-11-23 07:12:59,824 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 457 transitions. Word has length 90 [2018-11-23 07:12:59,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:12:59,824 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 457 transitions. [2018-11-23 07:12:59,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:12:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 457 transitions. [2018-11-23 07:12:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 07:12:59,826 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:12:59,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:12:59,827 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:12:59,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:12:59,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1060378356, now seen corresponding path program 1 times [2018-11-23 07:12:59,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:12:59,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:12:59,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:59,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:12:59,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:12:59,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:12:59,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:12:59,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:12:59,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:12:59,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:12:59,903 INFO L87 Difference]: Start difference. First operand 399 states and 457 transitions. Second operand 6 states. [2018-11-23 07:13:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:00,045 INFO L93 Difference]: Finished difference Result 866 states and 1030 transitions. [2018-11-23 07:13:00,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:13:00,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-23 07:13:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:00,048 INFO L225 Difference]: With dead ends: 866 [2018-11-23 07:13:00,048 INFO L226 Difference]: Without dead ends: 628 [2018-11-23 07:13:00,049 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 [2018-11-23 07:13:00,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-11-23 07:13:00,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 610. [2018-11-23 07:13:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-11-23 07:13:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 715 transitions. [2018-11-23 07:13:00,075 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 715 transitions. Word has length 94 [2018-11-23 07:13:00,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:00,075 INFO L480 AbstractCegarLoop]: Abstraction has 610 states and 715 transitions. [2018-11-23 07:13:00,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:13:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 715 transitions. [2018-11-23 07:13:00,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 07:13:00,078 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:00,078 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:13:00,078 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:00,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:00,078 INFO L82 PathProgramCache]: Analyzing trace with hash -215750409, now seen corresponding path program 1 times [2018-11-23 07:13:00,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:13:00,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:13:00,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:00,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:00,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:13:00,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:13:00,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 07:13:00,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:13:00,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:13:00,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:13:00,149 INFO L87 Difference]: Start difference. First operand 610 states and 715 transitions. Second operand 9 states. [2018-11-23 07:13:00,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:00,190 INFO L93 Difference]: Finished difference Result 1079 states and 1282 transitions. [2018-11-23 07:13:00,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 07:13:00,191 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-11-23 07:13:00,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:00,193 INFO L225 Difference]: With dead ends: 1079 [2018-11-23 07:13:00,193 INFO L226 Difference]: Without dead ends: 630 [2018-11-23 07:13:00,194 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 [2018-11-23 07:13:00,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-23 07:13:00,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 625. [2018-11-23 07:13:00,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-11-23 07:13:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 732 transitions. [2018-11-23 07:13:00,216 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 732 transitions. Word has length 94 [2018-11-23 07:13:00,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:00,216 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 732 transitions. [2018-11-23 07:13:00,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:13:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 732 transitions. [2018-11-23 07:13:00,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 07:13:00,217 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:00,218 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:13:00,218 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:00,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:00,218 INFO L82 PathProgramCache]: Analyzing trace with hash -875281931, now seen corresponding path program 1 times [2018-11-23 07:13:00,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:13:00,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:13:00,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:00,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:00,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:13:00,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:13:00,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:13:00,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:13:00,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:13:00,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:13:00,276 INFO L87 Difference]: Start difference. First operand 625 states and 732 transitions. Second operand 5 states. [2018-11-23 07:13:00,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:00,321 INFO L93 Difference]: Finished difference Result 1081 states and 1293 transitions. [2018-11-23 07:13:00,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 07:13:00,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-11-23 07:13:00,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:00,323 INFO L225 Difference]: With dead ends: 1081 [2018-11-23 07:13:00,324 INFO L226 Difference]: Without dead ends: 617 [2018-11-23 07:13:00,325 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 [2018-11-23 07:13:00,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-11-23 07:13:00,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2018-11-23 07:13:00,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2018-11-23 07:13:00,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 721 transitions. [2018-11-23 07:13:00,344 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 721 transitions. Word has length 94 [2018-11-23 07:13:00,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:00,345 INFO L480 AbstractCegarLoop]: Abstraction has 617 states and 721 transitions. [2018-11-23 07:13:00,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:13:00,345 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 721 transitions. [2018-11-23 07:13:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 07:13:00,347 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:00,347 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:13:00,347 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:00,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:00,347 INFO L82 PathProgramCache]: Analyzing trace with hash 485334592, now seen corresponding path program 1 times [2018-11-23 07:13:00,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:13:00,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:13:00,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:00,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:00,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 07:13:00,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:13:00,461 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:13:00,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:00,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:13:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:13:00,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:13:00,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-23 07:13:00,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 07:13:00,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 07:13:00,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-23 07:13:00,692 INFO L87 Difference]: Start difference. First operand 617 states and 721 transitions. Second operand 14 states. [2018-11-23 07:13:01,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:01,223 INFO L93 Difference]: Finished difference Result 1676 states and 2028 transitions. [2018-11-23 07:13:01,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 07:13:01,224 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 106 [2018-11-23 07:13:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:01,227 INFO L225 Difference]: With dead ends: 1676 [2018-11-23 07:13:01,227 INFO L226 Difference]: Without dead ends: 1083 [2018-11-23 07:13:01,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-23 07:13:01,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2018-11-23 07:13:01,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1080. [2018-11-23 07:13:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2018-11-23 07:13:01,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1251 transitions. [2018-11-23 07:13:01,267 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1251 transitions. Word has length 106 [2018-11-23 07:13:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:01,268 INFO L480 AbstractCegarLoop]: Abstraction has 1080 states and 1251 transitions. [2018-11-23 07:13:01,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 07:13:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1251 transitions. [2018-11-23 07:13:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 07:13:01,269 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:01,269 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:13:01,270 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:01,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:01,270 INFO L82 PathProgramCache]: Analyzing trace with hash 2000788636, now seen corresponding path program 1 times [2018-11-23 07:13:01,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:13:01,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:13:01,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:01,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:01,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 07:13:01,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:13:01,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 07:13:01,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:13:01,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:13:01,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:13:01,363 INFO L87 Difference]: Start difference. First operand 1080 states and 1251 transitions. Second operand 10 states. [2018-11-23 07:13:01,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:01,514 INFO L93 Difference]: Finished difference Result 2110 states and 2474 transitions. [2018-11-23 07:13:01,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 07:13:01,515 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2018-11-23 07:13:01,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:01,518 INFO L225 Difference]: With dead ends: 2110 [2018-11-23 07:13:01,518 INFO L226 Difference]: Without dead ends: 1054 [2018-11-23 07:13:01,520 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 [2018-11-23 07:13:01,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-11-23 07:13:01,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1038. [2018-11-23 07:13:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2018-11-23 07:13:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1200 transitions. [2018-11-23 07:13:01,554 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1200 transitions. Word has length 110 [2018-11-23 07:13:01,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:01,554 INFO L480 AbstractCegarLoop]: Abstraction has 1038 states and 1200 transitions. [2018-11-23 07:13:01,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:13:01,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1200 transitions. [2018-11-23 07:13:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 07:13:01,556 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:01,556 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:13:01,556 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:01,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:01,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1098500354, now seen corresponding path program 1 times [2018-11-23 07:13:01,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:13:01,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:13:01,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:01,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:01,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:13:01,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:13:01,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 07:13:01,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:13:01,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:13:01,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:13:01,637 INFO L87 Difference]: Start difference. First operand 1038 states and 1200 transitions. Second operand 10 states. [2018-11-23 07:13:01,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:01,795 INFO L93 Difference]: Finished difference Result 2058 states and 2382 transitions. [2018-11-23 07:13:01,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 07:13:01,796 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2018-11-23 07:13:01,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:01,799 INFO L225 Difference]: With dead ends: 2058 [2018-11-23 07:13:01,799 INFO L226 Difference]: Without dead ends: 1044 [2018-11-23 07:13:01,801 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 [2018-11-23 07:13:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2018-11-23 07:13:01,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1000. [2018-11-23 07:13:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2018-11-23 07:13:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1126 transitions. [2018-11-23 07:13:01,836 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1126 transitions. Word has length 110 [2018-11-23 07:13:01,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:01,836 INFO L480 AbstractCegarLoop]: Abstraction has 1000 states and 1126 transitions. [2018-11-23 07:13:01,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:13:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1126 transitions. [2018-11-23 07:13:01,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 07:13:01,839 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:01,839 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:13:01,839 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:01,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:01,840 INFO L82 PathProgramCache]: Analyzing trace with hash 114656940, now seen corresponding path program 1 times [2018-11-23 07:13:01,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:13:01,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:13:01,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:01,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:01,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:13:01,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:13:01,890 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:13:01,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:01,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:13:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:13:02,090 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:13:02,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-11-23 07:13:02,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 07:13:02,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 07:13:02,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 07:13:02,091 INFO L87 Difference]: Start difference. First operand 1000 states and 1126 transitions. Second operand 13 states. [2018-11-23 07:13:03,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:03,178 INFO L93 Difference]: Finished difference Result 2344 states and 2782 transitions. [2018-11-23 07:13:03,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 07:13:03,179 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 154 [2018-11-23 07:13:03,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:03,183 INFO L225 Difference]: With dead ends: 2344 [2018-11-23 07:13:03,183 INFO L226 Difference]: Without dead ends: 1368 [2018-11-23 07:13:03,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-11-23 07:13:03,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2018-11-23 07:13:03,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1214. [2018-11-23 07:13:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1214 states. [2018-11-23 07:13:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1351 transitions. [2018-11-23 07:13:03,228 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1351 transitions. Word has length 154 [2018-11-23 07:13:03,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:03,228 INFO L480 AbstractCegarLoop]: Abstraction has 1214 states and 1351 transitions. [2018-11-23 07:13:03,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 07:13:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1351 transitions. [2018-11-23 07:13:03,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 07:13:03,231 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:03,231 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:13:03,231 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:03,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:03,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1699346519, now seen corresponding path program 1 times [2018-11-23 07:13:03,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:13:03,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:13:03,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:03,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:03,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:13:03,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:13:03,295 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:13:03,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:03,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:13:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:13:03,529 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:13:03,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-23 07:13:03,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 07:13:03,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 07:13:03,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-23 07:13:03,533 INFO L87 Difference]: Start difference. First operand 1214 states and 1351 transitions. Second operand 15 states. [2018-11-23 07:13:05,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:05,836 INFO L93 Difference]: Finished difference Result 3053 states and 3854 transitions. [2018-11-23 07:13:05,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 07:13:05,836 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 158 [2018-11-23 07:13:05,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:05,837 INFO L225 Difference]: With dead ends: 3053 [2018-11-23 07:13:05,837 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:13:05,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-23 07:13:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:13:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:13:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:13:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:13:05,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-11-23 07:13:05,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:05,844 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:13:05,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 07:13:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:13:05,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:13:05,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:13:06,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:06,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:07,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:07,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:07,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:13:07,352 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2018-11-23 07:13:07,820 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 45 [2018-11-23 07:13:07,926 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-11-23 07:13:08,239 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 28 [2018-11-23 07:13:08,466 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 45 [2018-11-23 07:13:08,599 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2018-11-23 07:13:08,720 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 28 [2018-11-23 07:13:08,954 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-11-23 07:13:09,787 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 53 [2018-11-23 07:13:10,832 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2018-11-23 07:13:10,964 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 582 588) the Hoare annotation is: true [2018-11-23 07:13:10,964 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 582 588) no Hoare annotation was computed. [2018-11-23 07:13:10,965 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 589 597) no Hoare annotation was computed. [2018-11-23 07:13:10,965 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 589 597) the Hoare annotation is: true [2018-11-23 07:13:10,965 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 589 597) no Hoare annotation was computed. [2018-11-23 07:13:10,965 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 992 1014) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 07:13:10,965 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 992 1014) no Hoare annotation was computed. [2018-11-23 07:13:10,965 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 992 1014) no Hoare annotation was computed. [2018-11-23 07:13:10,965 INFO L444 ceAbstractionStarter]: At program point L1004(line 1004) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= main_~tmp~11 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:13:10,965 INFO L444 ceAbstractionStarter]: At program point L1004-1(line 1004) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= main_~tmp~11 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:13:10,965 INFO L448 ceAbstractionStarter]: For program point L1002(lines 1002 1009) no Hoare annotation was computed. [2018-11-23 07:13:10,965 INFO L448 ceAbstractionStarter]: For program point L1002-1(lines 1002 1009) no Hoare annotation was computed. [2018-11-23 07:13:10,965 INFO L448 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2018-11-23 07:13:10,965 INFO L444 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 07:13:10,965 INFO L444 ceAbstractionStarter]: At program point L998(line 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 07:13:10,965 INFO L444 ceAbstractionStarter]: At program point L998-1(line 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 07:13:10,965 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L444 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse4 .cse2 .cse6 .cse7))) [2018-11-23 07:13:10,966 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 665 689) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse1 .cse3 .cse2) (or .cse6 .cse3 .cse1 .cse7 .cse4))) [2018-11-23 07:13:10,966 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse4 .cse2 .cse6 .cse5))) [2018-11-23 07:13:10,966 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 665 689) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L448 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse4 .cse2 .cse6 .cse7))) [2018-11-23 07:13:10,966 INFO L444 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse4 .cse2 .cse6 .cse7))) [2018-11-23 07:13:10,966 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 760 768) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 760 768) the Hoare annotation is: true [2018-11-23 07:13:10,966 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 760 768) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 837) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L451 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2018-11-23 07:13:10,966 INFO L448 ceAbstractionStarter]: For program point L833-2(lines 833 837) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-11-23 07:13:10,966 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 824 842) the Hoare annotation is: true [2018-11-23 07:13:10,967 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 824 842) no Hoare annotation was computed. [2018-11-23 07:13:10,967 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 824 842) no Hoare annotation was computed. [2018-11-23 07:13:10,967 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 575 581) no Hoare annotation was computed. [2018-11-23 07:13:10,967 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 575 581) the Hoare annotation is: true [2018-11-23 07:13:10,967 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 982 991) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 07:13:10,967 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 982 991) no Hoare annotation was computed. [2018-11-23 07:13:10,967 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 982 991) no Hoare annotation was computed. [2018-11-23 07:13:10,967 INFO L448 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2018-11-23 07:13:10,967 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 749 759) the Hoare annotation is: true [2018-11-23 07:13:10,967 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 749 759) no Hoare annotation was computed. [2018-11-23 07:13:10,967 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 749 759) no Hoare annotation was computed. [2018-11-23 07:13:10,967 INFO L451 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2018-11-23 07:13:10,968 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 741 748) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 07:13:10,968 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 741 748) no Hoare annotation was computed. [2018-11-23 07:13:10,968 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 741 748) no Hoare annotation was computed. [2018-11-23 07:13:10,968 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse4 .cse2 .cse6 .cse7))) [2018-11-23 07:13:10,968 INFO L444 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse4 .cse2 .cse6 .cse7))) [2018-11-23 07:13:10,968 INFO L448 ceAbstractionStarter]: For program point L699(lines 699 707) no Hoare annotation was computed. [2018-11-23 07:13:10,968 INFO L444 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse4 .cse2 .cse6 .cse7))) [2018-11-23 07:13:10,968 INFO L448 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2018-11-23 07:13:10,968 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 712) no Hoare annotation was computed. [2018-11-23 07:13:10,968 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 691 715) no Hoare annotation was computed. [2018-11-23 07:13:10,969 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 691 715) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse1 .cse3 .cse2) (or .cse6 .cse3 .cse1 .cse7 .cse4))) [2018-11-23 07:13:10,969 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse4 .cse2 .cse6 .cse5))) [2018-11-23 07:13:10,969 INFO L448 ceAbstractionStarter]: For program point L710-1(lines 691 715) no Hoare annotation was computed. [2018-11-23 07:13:10,969 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 547) no Hoare annotation was computed. [2018-11-23 07:13:10,969 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 537 550) no Hoare annotation was computed. [2018-11-23 07:13:10,969 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 537 550) the Hoare annotation is: true [2018-11-23 07:13:10,969 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 537 550) no Hoare annotation was computed. [2018-11-23 07:13:10,969 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-11-23 07:13:10,969 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-11-23 07:13:10,969 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 869) no Hoare annotation was computed. [2018-11-23 07:13:10,970 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 853 918) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 07:13:10,970 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 853 918) no Hoare annotation was computed. [2018-11-23 07:13:10,970 INFO L444 ceAbstractionStarter]: At program point L911(lines 862 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:13:10,970 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 905) no Hoare annotation was computed. [2018-11-23 07:13:10,970 INFO L444 ceAbstractionStarter]: At program point L901-2(lines 893 906) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse2 .cse5 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (= |old(~systemActive~0)| 0) (and .cse2 .cse3 .cse5 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:13:10,970 INFO L448 ceAbstractionStarter]: For program point L864(lines 863 910) no Hoare annotation was computed. [2018-11-23 07:13:10,970 INFO L444 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse2 .cse5 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (= |old(~systemActive~0)| 0) (and .cse2 .cse3 .cse5 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:13:10,970 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 906) no Hoare annotation was computed. [2018-11-23 07:13:10,970 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse2 .cse5 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (= |old(~systemActive~0)| 0) (and .cse2 .cse3 .cse5 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:13:10,970 INFO L448 ceAbstractionStarter]: For program point L883(lines 883 889) no Hoare annotation was computed. [2018-11-23 07:13:10,971 INFO L448 ceAbstractionStarter]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2018-11-23 07:13:10,971 INFO L444 ceAbstractionStarter]: At program point L908(lines 863 910) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse5 .cse6 .cse4) (and .cse0 .cse2 .cse7 .cse5 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse7 .cse2 .cse6 .cse4))) [2018-11-23 07:13:10,971 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse4) (and .cse5 .cse0 .cse7 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse7 .cse0 .cse3 .cse4))) [2018-11-23 07:13:10,971 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-11-23 07:13:10,971 INFO L448 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-11-23 07:13:10,971 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 853 918) no Hoare annotation was computed. [2018-11-23 07:13:10,971 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 716 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 07:13:10,971 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 716 723) no Hoare annotation was computed. [2018-11-23 07:13:10,971 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 716 723) no Hoare annotation was computed. [2018-11-23 07:13:10,971 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 551 559) no Hoare annotation was computed. [2018-11-23 07:13:10,971 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 551 559) the Hoare annotation is: true [2018-11-23 07:13:10,972 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 551 559) no Hoare annotation was computed. [2018-11-23 07:13:10,972 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:13:10,972 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 07:13:10,972 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:13:10,972 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< 2 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 07:13:10,972 INFO L448 ceAbstractionStarter]: For program point L735-1(lines 724 740) no Hoare annotation was computed. [2018-11-23 07:13:10,972 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 724 740) no Hoare annotation was computed. [2018-11-23 07:13:10,972 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2018-11-23 07:13:10,972 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-11-23 07:13:10,972 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 724 740) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-11-23 07:13:10,972 INFO L448 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-11-23 07:13:10,972 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 805 823) no Hoare annotation was computed. [2018-11-23 07:13:10,973 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 818) no Hoare annotation was computed. [2018-11-23 07:13:10,973 INFO L451 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2018-11-23 07:13:10,973 INFO L448 ceAbstractionStarter]: For program point L814-2(lines 814 818) no Hoare annotation was computed. [2018-11-23 07:13:10,973 INFO L448 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2018-11-23 07:13:10,973 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 805 823) the Hoare annotation is: true [2018-11-23 07:13:10,973 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 805 823) no Hoare annotation was computed. [2018-11-23 07:13:10,973 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 528 536) the Hoare annotation is: true [2018-11-23 07:13:10,973 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 528 536) no Hoare annotation was computed. [2018-11-23 07:13:10,973 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 528 536) no Hoare annotation was computed. [2018-11-23 07:13:10,973 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 484 495) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse3 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse2 .cse6) .cse4 .cse7) (or .cse1 .cse2 .cse4 .cse5 .cse7) (or (or .cse0 .cse2 .cse6) .cse4 .cse3))) [2018-11-23 07:13:10,973 INFO L448 ceAbstractionStarter]: For program point L488-1(lines 484 495) no Hoare annotation was computed. [2018-11-23 07:13:10,973 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 484 495) no Hoare annotation was computed. [2018-11-23 07:13:10,974 INFO L451 ceAbstractionStarter]: At program point L931-2(lines 931 945) the Hoare annotation is: true [2018-11-23 07:13:10,974 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 921 950) no Hoare annotation was computed. [2018-11-23 07:13:10,974 INFO L451 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2018-11-23 07:13:10,974 INFO L448 ceAbstractionStarter]: For program point L927-1(line 927) no Hoare annotation was computed. [2018-11-23 07:13:10,974 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 921 950) the Hoare annotation is: true [2018-11-23 07:13:10,974 INFO L451 ceAbstractionStarter]: At program point L946(lines 921 950) the Hoare annotation is: true [2018-11-23 07:13:10,974 INFO L448 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2018-11-23 07:13:10,974 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 939) no Hoare annotation was computed. [2018-11-23 07:13:10,974 INFO L451 ceAbstractionStarter]: At program point L935-1(lines 935 939) the Hoare annotation is: true [2018-11-23 07:13:10,974 INFO L448 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2018-11-23 07:13:10,974 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 0)) (.cse12 (not (= 1 |old(~pumpRunning~0)|)))) (let ((.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= 1 ~waterLevel~0)) (.cse0 (or .cse3 .cse5 .cse12)) (.cse6 (and .cse11 .cse13)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (and (<= ~waterLevel~0 2) .cse13)) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse1) (or .cse3 .cse4 .cse5 .cse7 .cse8) (or .cse4 .cse5 .cse8 .cse9 .cse7) (or .cse10 .cse0 (<= ~waterLevel~0 1)) (or (< 0 |old(~waterLevel~0)|) .cse11 .cse0) (or .cse6 (or .cse5 .cse12) .cse1 .cse9) (or .cse10 .cse11 .cse4 .cse5 .cse9) (or .cse4 .cse5 .cse1 .cse2 .cse9)))) [2018-11-23 07:13:10,975 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse3 (<= ~waterLevel~0 0) .cse4)) (.cse10 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse7) (or .cse1 .cse2 .cse7 .cse8 .cse6) (or (or .cse0 .cse2 .cse9) .cse10 .cse5 .cse11) (or (or .cse2 .cse9) .cse5 .cse11 .cse10 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse1 .cse2 .cse8) (or .cse1 .cse2 .cse5 (and (<= ~waterLevel~0 2) .cse4) .cse8)))) [2018-11-23 07:13:10,975 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-11-23 07:13:10,975 INFO L444 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse16 (= 0 ~pumpRunning~0)) (.cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse17 (<= ~waterLevel~0 0)) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse10 (and .cse14 .cse17 .cse12)) (.cse8 (and .cse15 .cse12)) (.cse11 (and .cse14 .cse16 .cse17)) (.cse9 (and .cse15 .cse16)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (and .cse14 .cse12)) (.cse13 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse6) (or (or .cse0 .cse2 .cse7) .cse8 .cse4 .cse9 .cse10 .cse11) (or (and (<= ~waterLevel~0 1) .cse12) .cse1 .cse2 .cse4 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) .cse13) (or .cse1 .cse2 .cse6 .cse13 (and .cse5 .cse12)) (or (or .cse2 .cse7) .cse4 .cse10 .cse8 .cse11 .cse9 .cse13) (or (or (< 0 |old(~waterLevel~0)|) .cse1 .cse2) .cse3 .cse13)))) [2018-11-23 07:13:10,975 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-11-23 07:13:10,975 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= ~systemActive~0 0)) (.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (let ((.cse1 (or .cse8 .cse10)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (or .cse9 .cse8 .cse10)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< 0 |old(~waterLevel~0)|) .cse4 .cse5) (or .cse6 .cse1 .cse3 .cse5) (or .cse7 .cse8 .cse2 .cse3) (or .cse6 .cse4 (<= ~waterLevel~0 1)) (or .cse0 .cse4 .cse2) (or .cse9 .cse7 .cse8 .cse2)))) [2018-11-23 07:13:10,975 INFO L448 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-11-23 07:13:10,975 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 496 504) the Hoare annotation is: true [2018-11-23 07:13:10,976 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 496 504) no Hoare annotation was computed. [2018-11-23 07:13:10,976 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 496 504) no Hoare annotation was computed. [2018-11-23 07:13:10,976 INFO L444 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse7 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 .cse6) (or .cse2 .cse5 .cse7 .cse3 .cse6) (or .cse0 .cse4 .cse2 .cse7))) [2018-11-23 07:13:10,976 INFO L448 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2018-11-23 07:13:10,976 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 81) no Hoare annotation was computed. [2018-11-23 07:13:10,976 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 52 84) no Hoare annotation was computed. [2018-11-23 07:13:10,976 INFO L451 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: true [2018-11-23 07:13:10,976 INFO L448 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2018-11-23 07:13:10,976 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 52 84) the Hoare annotation is: true [2018-11-23 07:13:10,976 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse4 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse1 .cse6 .cse2 .cse5) (or .cse0 .cse6 .cse2 .cse4))) [2018-11-23 07:13:10,976 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 77) no Hoare annotation was computed. [2018-11-23 07:13:10,977 INFO L444 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse5 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse1 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0) .cse5 .cse2 .cse3) (or .cse0 .cse6 .cse1 .cse3) (or .cse4 .cse6 .cse1 .cse5))) [2018-11-23 07:13:10,977 INFO L448 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-11-23 07:13:10,977 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 80) no Hoare annotation was computed. [2018-11-23 07:13:10,977 INFO L448 ceAbstractionStarter]: For program point L67-1(lines 52 84) no Hoare annotation was computed. [2018-11-23 07:13:10,977 INFO L448 ceAbstractionStarter]: For program point L464-1(lines 460 471) no Hoare annotation was computed. [2018-11-23 07:13:10,977 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 460 471) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4 .cse6) (or .cse0 .cse7 .cse1 .cse2 .cse3) (or .cse7 .cse5 .cse1 .cse3 .cse6))) [2018-11-23 07:13:10,977 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 460 471) no Hoare annotation was computed. [2018-11-23 07:13:10,977 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 975 981) no Hoare annotation was computed. [2018-11-23 07:13:10,977 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 975 981) the Hoare annotation is: true [2018-11-23 07:13:10,977 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:13:10,977 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0))) [2018-11-23 07:13:10,978 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:13:10,978 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:13:10,978 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 843 850) no Hoare annotation was computed. [2018-11-23 07:13:10,978 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 843 850) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse3 .cse4 .cse6) (or .cse4 (or .cse1 .cse2) .cse3 .cse6))) [2018-11-23 07:13:10,978 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 843 850) no Hoare annotation was computed. [2018-11-23 07:13:10,978 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse1 .cse3 .cse2) (or .cse6 .cse3 .cse1 .cse7 .cse4))) [2018-11-23 07:13:10,978 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-11-23 07:13:10,978 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse4 .cse2 .cse6 .cse7))) [2018-11-23 07:13:10,978 INFO L448 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-11-23 07:13:10,979 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse4 .cse2 .cse5 .cse6 .cse7))) [2018-11-23 07:13:10,979 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 .cse4 .cse2) .cse5) (or .cse4 .cse2 .cse6 .cse5 .cse7) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse4 .cse2 .cse6 .cse7))) [2018-11-23 07:13:10,979 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-11-23 07:13:10,979 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse4 .cse2 .cse6 .cse5))) [2018-11-23 07:13:10,979 INFO L448 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-11-23 07:13:10,979 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-11-23 07:13:10,979 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 472 483) no Hoare annotation was computed. [2018-11-23 07:13:10,979 INFO L448 ceAbstractionStarter]: For program point L476-1(lines 472 483) no Hoare annotation was computed. [2018-11-23 07:13:10,979 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 472 483) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse5 (not (= 1 ~pumpRunning~0)))) (let ((.cse4 (< 2 |old(~waterLevel~0)|)) (.cse1 (or .cse7 .cse3 .cse5)) (.cse2 (<= ~waterLevel~0 1)) (.cse10 (< 0 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 2) .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse3 .cse9 .cse4) (or .cse10 .cse9 .cse1) (or .cse0 .cse3 .cse5 .cse2 .cse6) (or .cse9 (or .cse10 .cse3 .cse5) .cse6) (or .cse0 .cse9 .cse8 .cse3 .cse6)))) [2018-11-23 07:13:10,979 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 07:13:10,980 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 07:13:10,980 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 07:13:10,980 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 07:13:10,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:13:10 BoogieIcfgContainer [2018-11-23 07:13:10,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:13:10,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:13:10,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:13:10,991 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:13:10,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:12:58" (3/4) ... [2018-11-23 07:13:10,995 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:13:11,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:13:11,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:13:11,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:13:11,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:13:11,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 07:13:11,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:13:11,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:13:11,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:13:11,009 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 07:13:11,010 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:13:11,010 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:13:11,010 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:13:11,011 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:13:11,011 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:13:11,011 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:13:11,036 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(systemActive) == 0 || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && waterLevel <= 1) && splverifierCounter == 0)) || ((((!(systemActive == 0) && waterLevel <= 1) && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && !(systemActive == 0)) && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == pumpRunning && waterLevel <= 2) && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-11-23 07:13:11,036 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:13:11,071 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ce6a1d87-8175-476c-ae66-7dd1997a3a72/bin-2019/uautomizer/witness.graphml [2018-11-23 07:13:11,072 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:13:11,072 INFO L168 Benchmark]: Toolchain (without parser) took 13706.71 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 448.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 313.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:13:11,073 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:13:11,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:13:11,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:13:11,074 INFO L168 Benchmark]: Boogie Preprocessor took 27.14 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:13:11,074 INFO L168 Benchmark]: RCFGBuilder took 482.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:13:11,074 INFO L168 Benchmark]: TraceAbstraction took 12724.12 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 323.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.0 MB). Peak memory consumption was 545.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:13:11,074 INFO L168 Benchmark]: Witness Printer took 80.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:13:11,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.44 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 27.14 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 482.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12724.12 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 323.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.0 MB). Peak memory consumption was 545.9 MB. Max. memory is 11.5 GB. * Witness Printer took 80.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((((((\old(systemActive) == 0 || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && waterLevel <= 1) && splverifierCounter == 0)) || ((((!(systemActive == 0) && waterLevel <= 1) && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && !(systemActive == 0)) && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == pumpRunning && waterLevel <= 2) && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 173 locations, 1 error locations. SAFE Result, 12.6s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3083 SDtfs, 2368 SDslu, 11588 SDs, 0 SdLazy, 7457 SolverSat, 1218 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 615 GetRequests, 468 SyntacticMatches, 2 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1214occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 266 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 3976 PreInvPairs, 4473 NumberOfFragments, 3369 HoareAnnotationTreeSize, 3976 FomulaSimplifications, 19656 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 72 FomulaSimplificationsInter, 32289 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1757 NumberOfCodeBlocks, 1757 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1740 ConstructedInterpolants, 0 QuantifiedInterpolants, 340379 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2537 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 172/192 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...