./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_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_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:04:16,683 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:04:16,685 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:04:16,692 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:04:16,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:04:16,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:04:16,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:04:16,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:04:16,698 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:04:16,699 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:04:16,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:04:16,700 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:04:16,701 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:04:16,701 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:04:16,702 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:04:16,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:04:16,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:04:16,705 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:04:16,706 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:04:16,708 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:04:16,709 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:04:16,710 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:04:16,711 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:04:16,711 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:04:16,712 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:04:16,712 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:04:16,713 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:04:16,713 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:04:16,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:04:16,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:04:16,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:04:16,716 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:04:16,716 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:04:16,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:04:16,717 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:04:16,718 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:04:16,718 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 09:04:16,727 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:04:16,727 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:04:16,728 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:04:16,728 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:04:16,729 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:04:16,729 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:04:16,729 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 09:04:16,729 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:04:16,730 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:04:16,730 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:04:16,730 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:04:16,730 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:04:16,730 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:04:16,730 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:04:16,731 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:04:16,731 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:04:16,731 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:04:16,731 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:04:16,731 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:04:16,732 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:04:16,732 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:04:16,732 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:04:16,732 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:04:16,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:04:16,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:04:16,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:04:16,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:04:16,733 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 09:04:16,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:04:16,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:04:16,733 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_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2018-11-23 09:04:16,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:04:16,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:04:16,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:04:16,781 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:04:16,781 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:04:16,782 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-23 09:04:16,838 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/data/e7f25efe0/6aeed84100f94ab6bc78bf5082d8cf68/FLAGc8761acd8 [2018-11-23 09:04:17,271 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:04:17,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-23 09:04:17,285 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/data/e7f25efe0/6aeed84100f94ab6bc78bf5082d8cf68/FLAGc8761acd8 [2018-11-23 09:04:17,302 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/data/e7f25efe0/6aeed84100f94ab6bc78bf5082d8cf68 [2018-11-23 09:04:17,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:04:17,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:04:17,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:04:17,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:04:17,312 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:04:17,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17, skipping insertion in model container [2018-11-23 09:04:17,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:04:17,369 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:04:17,628 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:04:17,641 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:04:17,784 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:04:17,812 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:04:17,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17 WrapperNode [2018-11-23 09:04:17,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:04:17,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:04:17,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:04:17,814 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:04:17,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:04:17,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:04:17,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:04:17,849 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:04:17,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... [2018-11-23 09:04:17,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:04:17,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:04:17,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:04:17,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:04:17,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/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 09:04:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 09:04:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 09:04:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 09:04:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 09:04:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 09:04:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 09:04:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 09:04:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 09:04:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 09:04:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 09:04:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 09:04:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 09:04:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 09:04:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 09:04:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 09:04:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 09:04:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 09:04:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 09:04:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 09:04:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 09:04:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 09:04:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 09:04:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 09:04:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 09:04:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 09:04:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 09:04:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 09:04:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 09:04:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 09:04:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 09:04:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 09:04:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 09:04:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 09:04:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 09:04:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 09:04:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 09:04:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 09:04:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:04:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:04:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 09:04:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 09:04:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 09:04:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 09:04:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 09:04:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 09:04:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 09:04:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 09:04:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 09:04:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 09:04:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 09:04:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 09:04:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 09:04:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 09:04:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 09:04:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 09:04:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 09:04:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 09:04:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 09:04:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:04:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:04:18,448 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:04:18,448 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 09:04:18,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:04:18 BoogieIcfgContainer [2018-11-23 09:04:18,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:04:18,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:04:18,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:04:18,452 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:04:18,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:04:17" (1/3) ... [2018-11-23 09:04:18,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4d344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:04:18, skipping insertion in model container [2018-11-23 09:04:18,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:04:17" (2/3) ... [2018-11-23 09:04:18,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4d344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:04:18, skipping insertion in model container [2018-11-23 09:04:18,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:04:18" (3/3) ... [2018-11-23 09:04:18,455 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-23 09:04:18,463 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:04:18,470 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 09:04:18,482 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 09:04:18,506 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 09:04:18,507 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:04:18,507 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:04:18,507 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:04:18,507 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:04:18,508 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:04:18,508 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:04:18,508 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:04:18,508 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:04:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2018-11-23 09:04:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 09:04:18,535 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:18,536 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:18,539 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:18,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:18,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1493314064, now seen corresponding path program 1 times [2018-11-23 09:04:18,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:18,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:18,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:18,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:18,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:18,793 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 09:04:18,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:18,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 09:04:18,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 09:04:18,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 09:04:18,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 09:04:18,813 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2018-11-23 09:04:18,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:18,853 INFO L93 Difference]: Finished difference Result 270 states and 333 transitions. [2018-11-23 09:04:18,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 09:04:18,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 09:04:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:18,867 INFO L225 Difference]: With dead ends: 270 [2018-11-23 09:04:18,867 INFO L226 Difference]: Without dead ends: 137 [2018-11-23 09:04:18,872 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 09:04:18,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-23 09:04:18,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-23 09:04:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-23 09:04:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-11-23 09:04:18,921 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2018-11-23 09:04:18,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:18,922 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-11-23 09:04:18,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 09:04:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-11-23 09:04:18,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 09:04:18,926 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:18,926 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:18,926 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:18,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:18,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1278122046, now seen corresponding path program 1 times [2018-11-23 09:04:18,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:18,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:18,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:18,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:18,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:19,025 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 09:04:19,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:19,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:04:19,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:04:19,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:04:19,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:04:19,028 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2018-11-23 09:04:19,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:19,054 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2018-11-23 09:04:19,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:04:19,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 09:04:19,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:19,058 INFO L225 Difference]: With dead ends: 215 [2018-11-23 09:04:19,058 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 09:04:19,059 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 09:04:19,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 09:04:19,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 09:04:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 09:04:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2018-11-23 09:04:19,074 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2018-11-23 09:04:19,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:19,074 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2018-11-23 09:04:19,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:04:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2018-11-23 09:04:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 09:04:19,076 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:19,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:19,077 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:19,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1253670099, now seen corresponding path program 1 times [2018-11-23 09:04:19,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:19,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:19,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:19,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:19,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:19,215 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 09:04:19,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:19,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:04:19,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:04:19,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:04:19,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:04:19,216 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 7 states. [2018-11-23 09:04:19,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:19,578 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2018-11-23 09:04:19,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:04:19,579 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 09:04:19,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:19,580 INFO L225 Difference]: With dead ends: 228 [2018-11-23 09:04:19,581 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 09:04:19,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 09:04:19,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 09:04:19,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 09:04:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 09:04:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2018-11-23 09:04:19,595 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2018-11-23 09:04:19,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:19,596 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2018-11-23 09:04:19,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:04:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2018-11-23 09:04:19,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 09:04:19,598 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:19,599 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:19,599 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:19,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:19,599 INFO L82 PathProgramCache]: Analyzing trace with hash 388033785, now seen corresponding path program 1 times [2018-11-23 09:04:19,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:19,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:19,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:19,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:19,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:19,708 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 09:04:19,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:19,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 09:04:19,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 09:04:19,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 09:04:19,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 09:04:19,709 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 5 states. [2018-11-23 09:04:20,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:20,085 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2018-11-23 09:04:20,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:04:20,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 09:04:20,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:20,088 INFO L225 Difference]: With dead ends: 329 [2018-11-23 09:04:20,088 INFO L226 Difference]: Without dead ends: 229 [2018-11-23 09:04:20,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:04:20,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-23 09:04:20,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 210. [2018-11-23 09:04:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-23 09:04:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2018-11-23 09:04:20,133 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 70 [2018-11-23 09:04:20,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:20,134 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2018-11-23 09:04:20,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 09:04:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2018-11-23 09:04:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 09:04:20,137 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:20,137 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:20,137 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:20,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:20,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1195866969, now seen corresponding path program 1 times [2018-11-23 09:04:20,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:20,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:20,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:20,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:20,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:20,234 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 09:04:20,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:20,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:04:20,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:04:20,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:04:20,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:04:20,235 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 6 states. [2018-11-23 09:04:20,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:20,453 INFO L93 Difference]: Finished difference Result 556 states and 656 transitions. [2018-11-23 09:04:20,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 09:04:20,457 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 09:04:20,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:20,462 INFO L225 Difference]: With dead ends: 556 [2018-11-23 09:04:20,463 INFO L226 Difference]: Without dead ends: 374 [2018-11-23 09:04:20,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 09:04:20,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-11-23 09:04:20,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2018-11-23 09:04:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-11-23 09:04:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 420 transitions. [2018-11-23 09:04:20,496 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 420 transitions. Word has length 84 [2018-11-23 09:04:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:20,497 INFO L480 AbstractCegarLoop]: Abstraction has 368 states and 420 transitions. [2018-11-23 09:04:20,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:04:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 420 transitions. [2018-11-23 09:04:20,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 09:04:20,500 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:20,501 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:20,501 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:20,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:20,501 INFO L82 PathProgramCache]: Analyzing trace with hash -2011780491, now seen corresponding path program 1 times [2018-11-23 09:04:20,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:20,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:20,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:20,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:20,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:20,595 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 09:04:20,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:20,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:04:20,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:04:20,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:04:20,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:04:20,597 INFO L87 Difference]: Start difference. First operand 368 states and 420 transitions. Second operand 7 states. [2018-11-23 09:04:21,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:21,139 INFO L93 Difference]: Finished difference Result 739 states and 868 transitions. [2018-11-23 09:04:21,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 09:04:21,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-23 09:04:21,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:21,143 INFO L225 Difference]: With dead ends: 739 [2018-11-23 09:04:21,143 INFO L226 Difference]: Without dead ends: 399 [2018-11-23 09:04:21,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 09:04:21,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-11-23 09:04:21,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 367. [2018-11-23 09:04:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-23 09:04:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-11-23 09:04:21,169 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 88 [2018-11-23 09:04:21,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:21,170 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-11-23 09:04:21,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:04:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-11-23 09:04:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 09:04:21,171 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:21,172 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:21,172 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:21,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:21,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1201698845, now seen corresponding path program 1 times [2018-11-23 09:04:21,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:21,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:21,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:21,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:21,240 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 09:04:21,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:21,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:04:21,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:04:21,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:04:21,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:04:21,241 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 6 states. [2018-11-23 09:04:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:21,280 INFO L93 Difference]: Finished difference Result 716 states and 826 transitions. [2018-11-23 09:04:21,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:04:21,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 09:04:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:21,283 INFO L225 Difference]: With dead ends: 716 [2018-11-23 09:04:21,283 INFO L226 Difference]: Without dead ends: 377 [2018-11-23 09:04:21,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:04:21,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-23 09:04:21,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-23 09:04:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-23 09:04:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 427 transitions. [2018-11-23 09:04:21,302 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 427 transitions. Word has length 89 [2018-11-23 09:04:21,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:21,303 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 427 transitions. [2018-11-23 09:04:21,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:04:21,303 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 427 transitions. [2018-11-23 09:04:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 09:04:21,304 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:21,304 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:21,305 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:21,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:21,305 INFO L82 PathProgramCache]: Analyzing trace with hash -500098971, now seen corresponding path program 1 times [2018-11-23 09:04:21,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:21,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:21,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:21,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:21,388 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 09:04:21,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:21,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 09:04:21,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 09:04:21,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 09:04:21,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:04:21,389 INFO L87 Difference]: Start difference. First operand 377 states and 427 transitions. Second operand 8 states. [2018-11-23 09:04:21,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:21,419 INFO L93 Difference]: Finished difference Result 740 states and 860 transitions. [2018-11-23 09:04:21,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 09:04:21,420 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-23 09:04:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:21,422 INFO L225 Difference]: With dead ends: 740 [2018-11-23 09:04:21,422 INFO L226 Difference]: Without dead ends: 391 [2018-11-23 09:04:21,423 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 09:04:21,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-11-23 09:04:21,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 385. [2018-11-23 09:04:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-11-23 09:04:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 435 transitions. [2018-11-23 09:04:21,439 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 435 transitions. Word has length 89 [2018-11-23 09:04:21,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:21,439 INFO L480 AbstractCegarLoop]: Abstraction has 385 states and 435 transitions. [2018-11-23 09:04:21,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 09:04:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 435 transitions. [2018-11-23 09:04:21,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 09:04:21,441 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:21,441 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:21,441 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:21,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:21,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1225381926, now seen corresponding path program 1 times [2018-11-23 09:04:21,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:21,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:21,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:21,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:21,541 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 09:04:21,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:21,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 09:04:21,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 09:04:21,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 09:04:21,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 09:04:21,542 INFO L87 Difference]: Start difference. First operand 385 states and 435 transitions. Second operand 4 states. [2018-11-23 09:04:21,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:21,675 INFO L93 Difference]: Finished difference Result 1162 states and 1382 transitions. [2018-11-23 09:04:21,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 09:04:21,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-23 09:04:21,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:21,680 INFO L225 Difference]: With dead ends: 1162 [2018-11-23 09:04:21,680 INFO L226 Difference]: Without dead ends: 805 [2018-11-23 09:04:21,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 09:04:21,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2018-11-23 09:04:21,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 517. [2018-11-23 09:04:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-11-23 09:04:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 580 transitions. [2018-11-23 09:04:21,713 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 580 transitions. Word has length 89 [2018-11-23 09:04:21,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:21,713 INFO L480 AbstractCegarLoop]: Abstraction has 517 states and 580 transitions. [2018-11-23 09:04:21,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 09:04:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 580 transitions. [2018-11-23 09:04:21,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 09:04:21,715 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:21,716 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:21,716 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:21,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:21,716 INFO L82 PathProgramCache]: Analyzing trace with hash -40858900, now seen corresponding path program 1 times [2018-11-23 09:04:21,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:21,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:21,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:21,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:21,765 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 09:04:21,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:21,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:04:21,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:04:21,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:04:21,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:04:21,766 INFO L87 Difference]: Start difference. First operand 517 states and 580 transitions. Second operand 3 states. [2018-11-23 09:04:21,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:21,811 INFO L93 Difference]: Finished difference Result 796 states and 908 transitions. [2018-11-23 09:04:21,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:04:21,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-23 09:04:21,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:21,815 INFO L225 Difference]: With dead ends: 796 [2018-11-23 09:04:21,815 INFO L226 Difference]: Without dead ends: 793 [2018-11-23 09:04:21,816 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 09:04:21,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-11-23 09:04:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 662. [2018-11-23 09:04:21,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-11-23 09:04:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 753 transitions. [2018-11-23 09:04:21,852 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 753 transitions. Word has length 93 [2018-11-23 09:04:21,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:21,852 INFO L480 AbstractCegarLoop]: Abstraction has 662 states and 753 transitions. [2018-11-23 09:04:21,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:04:21,852 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 753 transitions. [2018-11-23 09:04:21,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 09:04:21,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:21,856 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:21,856 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:21,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:21,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1574363727, now seen corresponding path program 1 times [2018-11-23 09:04:21,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:21,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:21,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:21,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 09:04:21,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:04:21,935 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/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 09:04:21,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:22,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:04:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:04:22,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 09:04:22,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-23 09:04:22,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 09:04:22,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 09:04:22,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:04:22,160 INFO L87 Difference]: Start difference. First operand 662 states and 753 transitions. Second operand 8 states. [2018-11-23 09:04:22,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:22,250 INFO L93 Difference]: Finished difference Result 1108 states and 1269 transitions. [2018-11-23 09:04:22,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:04:22,251 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-11-23 09:04:22,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:22,254 INFO L225 Difference]: With dead ends: 1108 [2018-11-23 09:04:22,254 INFO L226 Difference]: Without dead ends: 602 [2018-11-23 09:04:22,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:04:22,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-11-23 09:04:22,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2018-11-23 09:04:22,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-11-23 09:04:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 674 transitions. [2018-11-23 09:04:22,290 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 674 transitions. Word has length 152 [2018-11-23 09:04:22,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:22,290 INFO L480 AbstractCegarLoop]: Abstraction has 602 states and 674 transitions. [2018-11-23 09:04:22,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 09:04:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 674 transitions. [2018-11-23 09:04:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 09:04:22,293 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:22,293 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:22,293 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:22,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:22,294 INFO L82 PathProgramCache]: Analyzing trace with hash -446802025, now seen corresponding path program 1 times [2018-11-23 09:04:22,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:22,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:22,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:22,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:22,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 09:04:22,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:04:22,490 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/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 09:04:22,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:22,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:04:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:04:22,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 09:04:22,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-11-23 09:04:22,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 09:04:22,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 09:04:22,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 09:04:22,735 INFO L87 Difference]: Start difference. First operand 602 states and 674 transitions. Second operand 14 states. [2018-11-23 09:04:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:24,224 INFO L93 Difference]: Finished difference Result 2195 states and 2855 transitions. [2018-11-23 09:04:24,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 09:04:24,225 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 154 [2018-11-23 09:04:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:24,231 INFO L225 Difference]: With dead ends: 2195 [2018-11-23 09:04:24,231 INFO L226 Difference]: Without dead ends: 1749 [2018-11-23 09:04:24,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-11-23 09:04:24,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2018-11-23 09:04:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1548. [2018-11-23 09:04:24,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1548 states. [2018-11-23 09:04:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 1838 transitions. [2018-11-23 09:04:24,328 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 1838 transitions. Word has length 154 [2018-11-23 09:04:24,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:24,328 INFO L480 AbstractCegarLoop]: Abstraction has 1548 states and 1838 transitions. [2018-11-23 09:04:24,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 09:04:24,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1838 transitions. [2018-11-23 09:04:24,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 09:04:24,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:04:24,332 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:04:24,333 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:04:24,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:04:24,333 INFO L82 PathProgramCache]: Analyzing trace with hash -519188583, now seen corresponding path program 1 times [2018-11-23 09:04:24,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:04:24,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:04:24,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:24,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:04:24,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:04:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:04:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 09:04:24,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:04:24,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 09:04:24,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 09:04:24,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 09:04:24,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 09:04:24,443 INFO L87 Difference]: Start difference. First operand 1548 states and 1838 transitions. Second operand 9 states. [2018-11-23 09:04:24,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:04:24,505 INFO L93 Difference]: Finished difference Result 2031 states and 2403 transitions. [2018-11-23 09:04:24,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 09:04:24,506 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-11-23 09:04:24,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:04:24,507 INFO L225 Difference]: With dead ends: 2031 [2018-11-23 09:04:24,507 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 09:04:24,510 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 09:04:24,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 09:04:24,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 09:04:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 09:04:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 09:04:24,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2018-11-23 09:04:24,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:04:24,511 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:04:24,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 09:04:24,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 09:04:24,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:04:24,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 09:04:24,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:24,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:04:25,204 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2018-11-23 09:04:25,860 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2018-11-23 09:04:26,219 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 33 [2018-11-23 09:04:26,563 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 40 [2018-11-23 09:04:27,677 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 09:04:27,677 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 09:04:27,677 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 09:04:27,677 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 09:04:27,677 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 09:04:27,677 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 09:04:27,677 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2018-11-23 09:04:27,677 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2018-11-23 09:04:27,678 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:04:27,678 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:04:27,678 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2018-11-23 09:04:27,678 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2018-11-23 09:04:27,678 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-23 09:04:27,678 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 09:04:27,678 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 09:04:27,678 INFO L444 ceAbstractionStarter]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 09:04:27,679 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2018-11-23 09:04:27,679 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2018-11-23 09:04:27,679 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2018-11-23 09:04:27,679 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2018-11-23 09:04:27,679 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2018-11-23 09:04:27,679 INFO L451 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2018-11-23 09:04:27,679 INFO L448 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2018-11-23 09:04:27,679 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2018-11-23 09:04:27,679 INFO L448 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2018-11-23 09:04:27,679 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2018-11-23 09:04:27,679 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 09:04:27,680 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 09:04:27,680 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 09:04:27,680 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2018-11-23 09:04:27,680 INFO L444 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 09:04:27,680 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2018-11-23 09:04:27,680 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= 1 |old(~pumpRunning~0)|))) [2018-11-23 09:04:27,680 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2018-11-23 09:04:27,680 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2018-11-23 09:04:27,680 INFO L444 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-23 09:04:27,681 INFO L448 ceAbstractionStarter]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2018-11-23 09:04:27,681 INFO L444 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-23 09:04:27,681 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2018-11-23 09:04:27,681 INFO L444 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-23 09:04:27,681 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0) (or .cse2 .cse3 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-23 09:04:27,681 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2018-11-23 09:04:27,681 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-23 09:04:27,682 INFO L448 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2018-11-23 09:04:27,682 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2018-11-23 09:04:27,682 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2018-11-23 09:04:27,682 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2018-11-23 09:04:27,682 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2018-11-23 09:04:27,682 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2018-11-23 09:04:27,682 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2018-11-23 09:04:27,682 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2018-11-23 09:04:27,682 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 09:04:27,683 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2018-11-23 09:04:27,683 INFO L444 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:04:27,683 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2018-11-23 09:04:27,683 INFO L444 ceAbstractionStarter]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 09:04:27,683 INFO L448 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2018-11-23 09:04:27,683 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 09:04:27,683 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2018-11-23 09:04:27,684 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 09:04:27,684 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2018-11-23 09:04:27,684 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2018-11-23 09:04:27,684 INFO L444 ceAbstractionStarter]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 09:04:27,684 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 09:04:27,684 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2018-11-23 09:04:27,684 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2018-11-23 09:04:27,684 INFO L448 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2018-11-23 09:04:27,685 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2018-11-23 09:04:27,685 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2018-11-23 09:04:27,685 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2018-11-23 09:04:27,685 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2018-11-23 09:04:27,685 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-11-23 09:04:27,685 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-11-23 09:04:27,685 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-23 09:04:27,685 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2018-11-23 09:04:27,686 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or .cse3 .cse5 .cse6 .cse1 .cse4) (or .cse5 .cse6 (or .cse1 .cse2)))) [2018-11-23 09:04:27,686 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-11-23 09:04:27,686 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-11-23 09:04:27,686 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2018-11-23 09:04:27,686 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-11-23 09:04:27,686 INFO L448 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2018-11-23 09:04:27,686 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2018-11-23 09:04:27,686 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 09:04:27,686 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2018-11-23 09:04:27,687 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2018-11-23 09:04:27,687 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:04:27,687 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 09:04:27,687 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:04:27,687 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2018-11-23 09:04:27,687 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2018-11-23 09:04:27,687 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-11-23 09:04:27,687 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2018-11-23 09:04:27,687 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2018-11-23 09:04:27,687 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2018-11-23 09:04:27,687 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2018-11-23 09:04:27,688 INFO L451 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: true [2018-11-23 09:04:27,688 INFO L448 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2018-11-23 09:04:27,688 INFO L448 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-11-23 09:04:27,688 INFO L448 ceAbstractionStarter]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2018-11-23 09:04:27,688 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse4) (or .cse4 .cse5 (not (= 1 ~pumpRunning~0)) (or .cse1 .cse3) .cse2) (or .cse4 (or .cse0 .cse1 .cse3) .cse5 .cse2))) [2018-11-23 09:04:27,688 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2018-11-23 09:04:27,688 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2018-11-23 09:04:27,688 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2018-11-23 09:04:27,688 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2018-11-23 09:04:27,688 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3)) (or .cse3 .cse0 .cse4 .cse5 .cse1) (or .cse0 .cse4 .cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2)))) [2018-11-23 09:04:27,689 INFO L444 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (< |old(~waterLevel~0)| 1) (or .cse2 .cse3) (and .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4)) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse3 (< |old(~waterLevel~0)| 2) (not (= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-11-23 09:04:27,689 INFO L444 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse3))) [2018-11-23 09:04:27,689 INFO L448 ceAbstractionStarter]: For program point L341(lines 340 359) no Hoare annotation was computed. [2018-11-23 09:04:27,689 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse4 (and .cse5 .cse6 .cse3)) (or .cse0 .cse1 .cse2 (and .cse5 .cse6)))) [2018-11-23 09:04:27,689 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2018-11-23 09:04:27,689 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2018-11-23 09:04:27,689 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2018-11-23 09:04:27,689 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-11-23 09:04:27,689 INFO L451 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2018-11-23 09:04:27,690 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2018-11-23 09:04:27,690 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 09:04:27,690 INFO L451 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2018-11-23 09:04:27,690 INFO L451 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-11-23 09:04:27,690 INFO L448 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-11-23 09:04:27,690 INFO L451 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2018-11-23 09:04:27,690 INFO L448 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-11-23 09:04:27,690 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0))) [2018-11-23 09:04:27,690 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2018-11-23 09:04:27,690 INFO L448 ceAbstractionStarter]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2018-11-23 09:04:27,690 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2018-11-23 09:04:27,691 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2018-11-23 09:04:27,691 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:04:27,691 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 09:04:27,691 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 09:04:27,691 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:04:27,691 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2018-11-23 09:04:27,691 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1) (or (< ~waterLevel~0 1) (or (not (= 0 ~pumpRunning~0)) .cse0) (not (= ~methAndRunningLastTime~0 0)) .cse1))) [2018-11-23 09:04:27,691 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2018-11-23 09:04:27,691 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-11-23 09:04:27,691 INFO L444 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse1) (or (or .cse0 .cse2) (< ~waterLevel~0 2) .cse1 .cse3))) [2018-11-23 09:04:27,692 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2018-11-23 09:04:27,692 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 09:04:27,692 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2018-11-23 09:04:27,692 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-11-23 09:04:27,692 INFO L448 ceAbstractionStarter]: For program point L375-1(line 375) no Hoare annotation was computed. [2018-11-23 09:04:27,692 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2018-11-23 09:04:27,692 INFO L444 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-23 09:04:27,692 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2018-11-23 09:04:27,692 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2018-11-23 09:04:27,692 INFO L448 ceAbstractionStarter]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2018-11-23 09:04:27,693 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) .cse1) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0) (not (= ~methAndRunningLastTime~0 0)) .cse1))) [2018-11-23 09:04:27,693 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2018-11-23 09:04:27,693 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-11-23 09:04:27,693 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2018-11-23 09:04:27,693 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2018-11-23 09:04:27,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:04:27 BoogieIcfgContainer [2018-11-23 09:04:27,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 09:04:27,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:04:27,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:04:27,706 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:04:27,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:04:18" (3/4) ... [2018-11-23 09:04:27,711 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:04:27,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 09:04:27,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 09:04:27,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 09:04:27,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 09:04:27,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 09:04:27,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 09:04:27,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 09:04:27,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 09:04:27,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 09:04:27,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 09:04:27,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 09:04:27,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 09:04:27,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 09:04:27,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 09:04:27,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:04:27,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 09:04:27,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 09:04:27,728 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 09:04:27,729 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 09:04:27,729 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 09:04:27,729 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 09:04:27,730 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 09:04:27,730 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:04:27,730 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:04:27,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 09:04:27,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 09:04:27,798 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5a2f0da0-8fc1-4cd9-bc4a-f3f3ccb07cd6/bin-2019/uautomizer/witness.graphml [2018-11-23 09:04:27,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:04:27,800 INFO L168 Benchmark]: Toolchain (without parser) took 10493.98 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 339.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -119.7 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:04:27,800 INFO L168 Benchmark]: CDTParser took 0.19 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 09:04:27,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:04:27,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.60 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 09:04:27,801 INFO L168 Benchmark]: Boogie Preprocessor took 37.83 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 09:04:27,801 INFO L168 Benchmark]: RCFGBuilder took 562.54 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-23 09:04:27,801 INFO L168 Benchmark]: TraceAbstraction took 9256.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 206.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -24.4 MB). Peak memory consumption was 334.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:04:27,802 INFO L168 Benchmark]: Witness Printer took 92.70 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:04:27,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 505.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.60 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. * Boogie Preprocessor took 37.83 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 562.54 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9256.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 206.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -24.4 MB). Peak memory consumption was 334.9 MB. Max. memory is 11.5 GB. * Witness Printer took 92.70 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: ((((((((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 150 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2217 SDtfs, 1905 SDslu, 5248 SDs, 0 SdLazy, 3027 SolverSat, 806 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1548occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 683 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1925 PreInvPairs, 2010 NumberOfFragments, 1915 HoareAnnotationTreeSize, 1925 FomulaSimplifications, 13292 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 11962 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1528 NumberOfCodeBlocks, 1528 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1513 ConstructedInterpolants, 0 QuantifiedInterpolants, 277315 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1807 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 208/218 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...