./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/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 3c089be7b4887d2975165f6135c093492cb2095b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:53:01,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:53:01,819 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:53:01,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:53:01,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:53:01,829 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:53:01,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:53:01,831 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:53:01,832 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:53:01,833 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:53:01,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:53:01,834 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:53:01,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:53:01,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:53:01,836 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:53:01,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:53:01,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:53:01,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:53:01,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:53:01,841 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:53:01,842 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:53:01,843 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:53:01,845 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:53:01,845 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:53:01,845 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:53:01,846 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:53:01,847 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:53:01,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:53:01,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:53:01,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:53:01,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:53:01,850 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:53:01,850 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:53:01,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:53:01,851 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:53:01,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:53:01,851 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 11:53:01,862 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:53:01,863 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:53:01,863 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:53:01,863 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:53:01,864 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:53:01,864 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:53:01,864 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:53:01,865 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:53:01,865 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:53:01,865 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:53:01,865 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:53:01,865 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:53:01,865 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:53:01,865 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:53:01,866 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:53:01,866 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:53:01,866 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:53:01,866 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:53:01,866 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:53:01,866 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:53:01,867 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:53:01,867 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:53:01,867 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:53:01,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:53:01,867 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:53:01,867 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:53:01,868 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:53:01,868 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 11:53:01,868 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:53:01,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:53:01,868 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_99473242-3519-4da0-bc8e-694777089f91/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 -> 3c089be7b4887d2975165f6135c093492cb2095b [2018-11-23 11:53:01,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:53:01,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:53:01,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:53:01,909 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:53:01,910 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:53:01,910 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-23 11:53:01,954 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/data/0931517a7/d1ba2f90bf514c8192f064b087ad065e/FLAG19afb665a [2018-11-23 11:53:02,332 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:53:02,333 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-23 11:53:02,341 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/data/0931517a7/d1ba2f90bf514c8192f064b087ad065e/FLAG19afb665a [2018-11-23 11:53:02,351 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/data/0931517a7/d1ba2f90bf514c8192f064b087ad065e [2018-11-23 11:53:02,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:53:02,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:53:02,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:53:02,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:53:02,360 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:53:02,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,363 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 11:53:02, skipping insertion in model container [2018-11-23 11:53:02,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:53:02,414 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:53:02,664 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:53:02,675 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:53:02,799 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:53:02,821 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:53:02,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02 WrapperNode [2018-11-23 11:53:02,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:53:02,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:53:02,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:53:02,822 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:53:02,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:53:02,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:53:02,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:53:02,852 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:53:02,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... [2018-11-23 11:53:02,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:53:02,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:53:02,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:53:02,889 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:53:02,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/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 11:53:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 11:53:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 11:53:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:53:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:53:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 11:53:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 11:53:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:53:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 11:53:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 11:53:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 11:53:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 11:53:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 11:53:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 11:53:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 11:53:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 11:53:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 11:53:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 11:53:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 11:53:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 11:53:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 11:53:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 11:53:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 11:53:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 11:53:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 11:53:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 11:53:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 11:53:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 11:53:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 11:53:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 11:53:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 11:53:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 11:53:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 11:53:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 11:53:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 11:53:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 11:53:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 11:53:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 11:53:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 11:53:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 11:53:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 11:53:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 11:53:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 11:53:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 11:53:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 11:53:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 11:53:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 11:53:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 11:53:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 11:53:02,947 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 11:53:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 11:53:02,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 11:53:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 11:53:02,947 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 11:53:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 11:53:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:53:02,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:53:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 11:53:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 11:53:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 11:53:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 11:53:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:53:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:53:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 11:53:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 11:53:03,419 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:53:03,419 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 11:53:03,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:03 BoogieIcfgContainer [2018-11-23 11:53:03,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:53:03,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:53:03,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:53:03,423 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:53:03,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:53:02" (1/3) ... [2018-11-23 11:53:03,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d200a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:53:03, skipping insertion in model container [2018-11-23 11:53:03,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:02" (2/3) ... [2018-11-23 11:53:03,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d200a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:53:03, skipping insertion in model container [2018-11-23 11:53:03,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:03" (3/3) ... [2018-11-23 11:53:03,425 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-23 11:53:03,433 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:53:03,440 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:53:03,453 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:53:03,479 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:53:03,480 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:53:03,480 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:53:03,480 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:53:03,480 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:53:03,480 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:53:03,480 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:53:03,480 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:53:03,480 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:53:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2018-11-23 11:53:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 11:53:03,505 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:03,505 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] [2018-11-23 11:53:03,507 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:03,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:03,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1697508556, now seen corresponding path program 1 times [2018-11-23 11:53:03,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:03,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:03,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:03,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:03,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:03,708 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 11:53:03,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:53:03,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 11:53:03,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 11:53:03,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 11:53:03,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 11:53:03,723 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2018-11-23 11:53:03,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:03,760 INFO L93 Difference]: Finished difference Result 308 states and 383 transitions. [2018-11-23 11:53:03,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 11:53:03,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 11:53:03,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:03,770 INFO L225 Difference]: With dead ends: 308 [2018-11-23 11:53:03,770 INFO L226 Difference]: Without dead ends: 154 [2018-11-23 11:53:03,773 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 11:53:03,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-23 11:53:03,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-23 11:53:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-23 11:53:03,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2018-11-23 11:53:03,814 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 46 [2018-11-23 11:53:03,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:03,814 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2018-11-23 11:53:03,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 11:53:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2018-11-23 11:53:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 11:53:03,816 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:03,816 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] [2018-11-23 11:53:03,817 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:03,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:03,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1146648345, now seen corresponding path program 1 times [2018-11-23 11:53:03,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:03,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:03,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:03,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:03,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:03,898 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 11:53:03,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:53:03,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:53:03,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:53:03,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:53:03,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:53:03,900 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand 3 states. [2018-11-23 11:53:03,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:03,925 INFO L93 Difference]: Finished difference Result 253 states and 301 transitions. [2018-11-23 11:53:03,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:53:03,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 11:53:03,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:03,928 INFO L225 Difference]: With dead ends: 253 [2018-11-23 11:53:03,928 INFO L226 Difference]: Without dead ends: 145 [2018-11-23 11:53:03,929 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 11:53:03,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-23 11:53:03,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-23 11:53:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-23 11:53:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 171 transitions. [2018-11-23 11:53:03,943 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 171 transitions. Word has length 47 [2018-11-23 11:53:03,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:03,944 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 171 transitions. [2018-11-23 11:53:03,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:53:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2018-11-23 11:53:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 11:53:03,945 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:03,946 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 11:53:03,946 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:03,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:03,946 INFO L82 PathProgramCache]: Analyzing trace with hash 244280267, now seen corresponding path program 1 times [2018-11-23 11:53:03,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:03,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:03,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:03,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:03,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:04,054 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 11:53:04,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:53:04,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:53:04,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:53:04,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:53:04,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:53:04,056 INFO L87 Difference]: Start difference. First operand 145 states and 171 transitions. Second operand 3 states. [2018-11-23 11:53:04,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:04,085 INFO L93 Difference]: Finished difference Result 266 states and 319 transitions. [2018-11-23 11:53:04,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:53:04,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 11:53:04,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:04,090 INFO L225 Difference]: With dead ends: 266 [2018-11-23 11:53:04,090 INFO L226 Difference]: Without dead ends: 145 [2018-11-23 11:53:04,091 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 11:53:04,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-23 11:53:04,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-23 11:53:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-23 11:53:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-11-23 11:53:04,106 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 52 [2018-11-23 11:53:04,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:04,106 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-11-23 11:53:04,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:53:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-11-23 11:53:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 11:53:04,109 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:04,110 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 11:53:04,110 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:04,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:04,110 INFO L82 PathProgramCache]: Analyzing trace with hash 97775123, now seen corresponding path program 1 times [2018-11-23 11:53:04,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:04,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:04,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:04,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:04,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:04,262 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 11:53:04,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:53:04,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:53:04,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:53:04,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:53:04,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:53:04,266 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 5 states. [2018-11-23 11:53:04,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:04,861 INFO L93 Difference]: Finished difference Result 380 states and 460 transitions. [2018-11-23 11:53:04,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:53:04,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 11:53:04,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:04,864 INFO L225 Difference]: With dead ends: 380 [2018-11-23 11:53:04,864 INFO L226 Difference]: Without dead ends: 259 [2018-11-23 11:53:04,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:53:04,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-11-23 11:53:04,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 240. [2018-11-23 11:53:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-11-23 11:53:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 272 transitions. [2018-11-23 11:53:04,887 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 272 transitions. Word has length 70 [2018-11-23 11:53:04,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:04,887 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 272 transitions. [2018-11-23 11:53:04,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:53:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 272 transitions. [2018-11-23 11:53:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 11:53:04,890 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:04,890 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 11:53:04,891 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:04,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:04,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1410600138, now seen corresponding path program 1 times [2018-11-23 11:53:04,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:04,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:04,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:04,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:04,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:04,991 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 11:53:04,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:53:04,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 11:53:04,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 11:53:04,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 11:53:04,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:53:04,993 INFO L87 Difference]: Start difference. First operand 240 states and 272 transitions. Second operand 8 states. [2018-11-23 11:53:05,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:05,029 INFO L93 Difference]: Finished difference Result 463 states and 539 transitions. [2018-11-23 11:53:05,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:53:05,029 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-23 11:53:05,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:05,033 INFO L225 Difference]: With dead ends: 463 [2018-11-23 11:53:05,033 INFO L226 Difference]: Without dead ends: 247 [2018-11-23 11:53:05,034 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 11:53:05,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-11-23 11:53:05,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2018-11-23 11:53:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-11-23 11:53:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 276 transitions. [2018-11-23 11:53:05,054 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 276 transitions. Word has length 84 [2018-11-23 11:53:05,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:05,055 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 276 transitions. [2018-11-23 11:53:05,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 11:53:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 276 transitions. [2018-11-23 11:53:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 11:53:05,056 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:05,057 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 11:53:05,057 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:05,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:05,057 INFO L82 PathProgramCache]: Analyzing trace with hash 709000264, now seen corresponding path program 1 times [2018-11-23 11:53:05,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:05,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:05,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:05,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:05,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:05,153 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 11:53:05,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:53:05,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:53:05,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:53:05,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:53:05,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:53:05,155 INFO L87 Difference]: Start difference. First operand 244 states and 276 transitions. Second operand 6 states. [2018-11-23 11:53:05,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:05,390 INFO L93 Difference]: Finished difference Result 669 states and 778 transitions. [2018-11-23 11:53:05,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:53:05,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 11:53:05,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:05,395 INFO L225 Difference]: With dead ends: 669 [2018-11-23 11:53:05,395 INFO L226 Difference]: Without dead ends: 449 [2018-11-23 11:53:05,396 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 11:53:05,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-11-23 11:53:05,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-11-23 11:53:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-11-23 11:53:05,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 502 transitions. [2018-11-23 11:53:05,430 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 502 transitions. Word has length 84 [2018-11-23 11:53:05,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:05,430 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 502 transitions. [2018-11-23 11:53:05,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:53:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 502 transitions. [2018-11-23 11:53:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 11:53:05,432 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:05,432 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 11:53:05,432 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:05,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:05,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1045486588, now seen corresponding path program 1 times [2018-11-23 11:53:05,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:05,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:05,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:05,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:05,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:05,515 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 11:53:05,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:53:05,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 11:53:05,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 11:53:05,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 11:53:05,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:53:05,518 INFO L87 Difference]: Start difference. First operand 443 states and 502 transitions. Second operand 7 states. [2018-11-23 11:53:06,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:06,264 INFO L93 Difference]: Finished difference Result 478 states and 556 transitions. [2018-11-23 11:53:06,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 11:53:06,265 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-23 11:53:06,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:06,267 INFO L225 Difference]: With dead ends: 478 [2018-11-23 11:53:06,267 INFO L226 Difference]: Without dead ends: 475 [2018-11-23 11:53:06,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 11:53:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-11-23 11:53:06,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 443. [2018-11-23 11:53:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-11-23 11:53:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 501 transitions. [2018-11-23 11:53:06,297 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 501 transitions. Word has length 88 [2018-11-23 11:53:06,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:06,297 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 501 transitions. [2018-11-23 11:53:06,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 11:53:06,298 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 501 transitions. [2018-11-23 11:53:06,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 11:53:06,299 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:06,300 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:53:06,300 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:06,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:06,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1921303165, now seen corresponding path program 1 times [2018-11-23 11:53:06,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:06,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:06,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:06,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:06,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:53:06,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:53:06,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:53:06,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:53:06,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:53:06,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:53:06,378 INFO L87 Difference]: Start difference. First operand 443 states and 501 transitions. Second operand 6 states. [2018-11-23 11:53:06,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:06,431 INFO L93 Difference]: Finished difference Result 876 states and 1014 transitions. [2018-11-23 11:53:06,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:53:06,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-23 11:53:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:06,435 INFO L225 Difference]: With dead ends: 876 [2018-11-23 11:53:06,436 INFO L226 Difference]: Without dead ends: 457 [2018-11-23 11:53:06,438 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 11:53:06,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-23 11:53:06,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 453. [2018-11-23 11:53:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-11-23 11:53:06,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 511 transitions. [2018-11-23 11:53:06,463 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 511 transitions. Word has length 104 [2018-11-23 11:53:06,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:06,463 INFO L480 AbstractCegarLoop]: Abstraction has 453 states and 511 transitions. [2018-11-23 11:53:06,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:53:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 511 transitions. [2018-11-23 11:53:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 11:53:06,466 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:06,467 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:53:06,467 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:06,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:06,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1593561920, now seen corresponding path program 1 times [2018-11-23 11:53:06,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:06,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:06,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:06,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:06,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:53:06,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:53:06,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:53:06,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:53:06,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:53:06,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:53:06,574 INFO L87 Difference]: Start difference. First operand 453 states and 511 transitions. Second operand 4 states. [2018-11-23 11:53:06,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:06,804 INFO L93 Difference]: Finished difference Result 1353 states and 1602 transitions. [2018-11-23 11:53:06,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:53:06,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-23 11:53:06,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:06,808 INFO L225 Difference]: With dead ends: 1353 [2018-11-23 11:53:06,808 INFO L226 Difference]: Without dead ends: 924 [2018-11-23 11:53:06,810 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 11:53:06,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2018-11-23 11:53:06,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 909. [2018-11-23 11:53:06,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2018-11-23 11:53:06,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1055 transitions. [2018-11-23 11:53:06,847 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1055 transitions. Word has length 104 [2018-11-23 11:53:06,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:06,847 INFO L480 AbstractCegarLoop]: Abstraction has 909 states and 1055 transitions. [2018-11-23 11:53:06,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:53:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1055 transitions. [2018-11-23 11:53:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 11:53:06,849 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:06,849 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:53:06,849 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:06,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:06,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1641621798, now seen corresponding path program 1 times [2018-11-23 11:53:06,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:06,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:06,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:06,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:06,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:06,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 11:53:06,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:53:06,969 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/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 11:53:06,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:07,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:53:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:53:07,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:53:07,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 11:53:07,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 11:53:07,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 11:53:07,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 11:53:07,283 INFO L87 Difference]: Start difference. First operand 909 states and 1055 transitions. Second operand 19 states. [2018-11-23 11:53:08,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:08,040 INFO L93 Difference]: Finished difference Result 1762 states and 2068 transitions. [2018-11-23 11:53:08,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 11:53:08,041 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-23 11:53:08,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:08,044 INFO L225 Difference]: With dead ends: 1762 [2018-11-23 11:53:08,044 INFO L226 Difference]: Without dead ends: 877 [2018-11-23 11:53:08,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 11:53:08,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2018-11-23 11:53:08,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2018-11-23 11:53:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-11-23 11:53:08,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1003 transitions. [2018-11-23 11:53:08,079 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1003 transitions. Word has length 108 [2018-11-23 11:53:08,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:08,079 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1003 transitions. [2018-11-23 11:53:08,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 11:53:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1003 transitions. [2018-11-23 11:53:08,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 11:53:08,082 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:53:08,082 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:53:08,082 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:53:08,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:53:08,083 INFO L82 PathProgramCache]: Analyzing trace with hash 885904890, now seen corresponding path program 1 times [2018-11-23 11:53:08,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:53:08,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:53:08,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:08,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:08,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:53:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:53:08,194 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:53:08,194 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/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 11:53:08,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:53:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:53:08,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:53:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 11:53:08,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:53:08,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 11:53:08,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 11:53:08,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 11:53:08,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 11:53:08,405 INFO L87 Difference]: Start difference. First operand 877 states and 1003 transitions. Second operand 19 states. [2018-11-23 11:53:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:53:09,024 INFO L93 Difference]: Finished difference Result 1469 states and 1708 transitions. [2018-11-23 11:53:09,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 11:53:09,025 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 178 [2018-11-23 11:53:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:53:09,026 INFO L225 Difference]: With dead ends: 1469 [2018-11-23 11:53:09,026 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:53:09,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 11:53:09,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:53:09,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:53:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:53:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:53:09,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-11-23 11:53:09,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:53:09,030 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:53:09,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 11:53:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:53:09,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:53:09,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:53:09,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:53:09,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:53:09,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:53:09,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:53:09,656 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-11-23 11:53:10,639 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2018-11-23 11:53:11,066 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 391 397) the Hoare annotation is: true [2018-11-23 11:53:11,066 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 391 397) no Hoare annotation was computed. [2018-11-23 11:53:11,066 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 398 406) no Hoare annotation was computed. [2018-11-23 11:53:11,066 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 398 406) the Hoare annotation is: true [2018-11-23 11:53:11,066 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 398 406) no Hoare annotation was computed. [2018-11-23 11:53:11,066 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 846 868) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:53:11,066 INFO L444 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:53:11,067 INFO L444 ceAbstractionStarter]: At program point L858-1(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:53:11,067 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2018-11-23 11:53:11,067 INFO L448 ceAbstractionStarter]: For program point L856(lines 856 863) no Hoare annotation was computed. [2018-11-23 11:53:11,067 INFO L448 ceAbstractionStarter]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2018-11-23 11:53:11,067 INFO L448 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2018-11-23 11:53:11,067 INFO L444 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:53:11,067 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:53:11,067 INFO L444 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:53:11,067 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 846 868) no Hoare annotation was computed. [2018-11-23 11:53:11,068 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 11:53:11,068 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 11:53:11,068 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-11-23 11:53:11,068 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 11:53:11,068 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-23 11:53:11,068 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-11-23 11:53:11,068 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 11:53:11,068 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-11-23 11:53:11,068 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 .cse2) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse2))) [2018-11-23 11:53:11,068 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-11-23 11:53:11,068 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-11-23 11:53:11,068 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-11-23 11:53:11,068 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-11-23 11:53:11,068 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-11-23 11:53:11,068 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L451 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 384 390) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 384 390) the Hoare annotation is: true [2018-11-23 11:53:11,069 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 836 845) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L451 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2))) [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 960) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 950 963) no Hoare annotation was computed. [2018-11-23 11:53:11,069 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 950 963) the Hoare annotation is: true [2018-11-23 11:53:11,069 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 950 963) no Hoare annotation was computed. [2018-11-23 11:53:11,070 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse0) (or .cse1 .cse4 .cse2) (or .cse3 .cse1 .cse4))) [2018-11-23 11:53:11,070 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-11-23 11:53:11,070 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-23 11:53:11,070 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-11-23 11:53:11,070 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 11:53:11,070 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 11:53:11,070 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-11-23 11:53:11,070 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1))) [2018-11-23 11:53:11,070 INFO L448 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-11-23 11:53:11,070 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-11-23 11:53:11,070 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-11-23 11:53:11,070 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-11-23 11:53:11,070 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 303 368) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:53:11,070 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 355) no Hoare annotation was computed. [2018-11-23 11:53:11,071 INFO L444 ceAbstractionStarter]: At program point L351-2(lines 343 356) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 11:53:11,071 INFO L448 ceAbstractionStarter]: For program point L314(lines 313 360) no Hoare annotation was computed. [2018-11-23 11:53:11,071 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 11:53:11,071 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-11-23 11:53:11,071 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 303 368) no Hoare annotation was computed. [2018-11-23 11:53:11,071 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 11:53:11,071 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 339) no Hoare annotation was computed. [2018-11-23 11:53:11,071 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2018-11-23 11:53:11,071 INFO L444 ceAbstractionStarter]: At program point L358(lines 313 360) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 11:53:11,072 INFO L444 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~methaneLevelCritical~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 329) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point L323-1(lines 323 329) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L444 ceAbstractionStarter]: At program point L361(lines 312 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 303 368) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 964 972) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 964 972) the Hoare annotation is: true [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 964 972) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-11-23 11:53:11,072 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 11:53:11,073 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L451 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 897 908) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0 (= ~methaneLevelCritical~0 1)) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L451 ceAbstractionStarter]: At program point L800(lines 775 804) the Hoare annotation is: true [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L451 ceAbstractionStarter]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L451 ceAbstractionStarter]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2018-11-23 11:53:11,073 INFO L451 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2018-11-23 11:53:11,073 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-11-23 11:53:11,073 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2018-11-23 11:53:11,074 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2018-11-23 11:53:11,074 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2018-11-23 11:53:11,074 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2018-11-23 11:53:11,074 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-11-23 11:53:11,074 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (not .cse7)) (.cse4 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse0) (or .cse4 .cse5 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse1 .cse8) (or .cse7 .cse8 .cse1 .cse2) (or .cse3 .cse5 .cse1 .cse6 .cse4)))) [2018-11-23 11:53:11,074 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-11-23 11:53:11,074 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-11-23 11:53:11,074 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse5)) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse9 (not .cse0)) (.cse7 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4) (or .cse1 .cse3 .cse6 .cse0 .cse2) (or .cse6 .cse2 .cse5) (or .cse7 .cse8 .cse2 .cse9 .cse4) (or .cse6 .cse8 .cse2 .cse9 .cse7)))) [2018-11-23 11:53:11,074 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse2 (= ~systemActive~0 0)) (.cse10 (not (= ~waterLevel~0 1)))) (let ((.cse3 (and (not .cse2) .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not .cse0)) (.cse5 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse2 .cse9) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3 .cse4 .cse9) (or .cse10 .cse8 .cse0 .cse2 .cse1) (or .cse8 .cse6 .cse2 .cse7 .cse5)))) [2018-11-23 11:53:11,074 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 873 884) the Hoare annotation is: true [2018-11-23 11:53:11,074 INFO L448 ceAbstractionStarter]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2018-11-23 11:53:11,074 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 873 884) no Hoare annotation was computed. [2018-11-23 11:53:11,074 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2018-11-23 11:53:11,075 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2018-11-23 11:53:11,075 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:53:11,075 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0))) [2018-11-23 11:53:11,075 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:53:11,075 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:53:11,075 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 291 298) no Hoare annotation was computed. [2018-11-23 11:53:11,075 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 291 298) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse0 (= |old(~systemActive~0)| 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 11:53:11,075 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 291 298) no Hoare annotation was computed. [2018-11-23 11:53:11,075 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (and .cse2 .cse3) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 .cse2 .cse1) (or .cse0 .cse3 .cse1))) [2018-11-23 11:53:11,075 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 11:53:11,075 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-11-23 11:53:11,075 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 .cse2) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse2))) [2018-11-23 11:53:11,075 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-11-23 11:53:11,075 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-11-23 11:53:11,075 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-11-23 11:53:11,075 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-11-23 11:53:11,076 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| 0) .cse2) (or .cse1 .cse2 .cse0))) [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2018-11-23 11:53:11,076 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 885 896) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0))) [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1001 1008) no Hoare annotation was computed. [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2018-11-23 11:53:11,076 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1001 1008) the Hoare annotation is: true [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2018-11-23 11:53:11,076 INFO L444 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 11:53:11,076 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 975 999) the Hoare annotation is: true [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2018-11-23 11:53:11,076 INFO L444 ceAbstractionStarter]: At program point L985(line 985) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point L985-1(line 985) no Hoare annotation was computed. [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 975 999) no Hoare annotation was computed. [2018-11-23 11:53:11,076 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 996) no Hoare annotation was computed. [2018-11-23 11:53:11,077 INFO L448 ceAbstractionStarter]: For program point L983-1(lines 975 999) no Hoare annotation was computed. [2018-11-23 11:53:11,077 INFO L451 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: true [2018-11-23 11:53:11,077 INFO L448 ceAbstractionStarter]: For program point L981-1(line 981) no Hoare annotation was computed. [2018-11-23 11:53:11,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:53:11 BoogieIcfgContainer [2018-11-23 11:53:11,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:53:11,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:53:11,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:53:11,086 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:53:11,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:03" (3/4) ... [2018-11-23 11:53:11,088 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 11:53:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 11:53:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 11:53:11,100 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 11:53:11,101 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 11:53:11,101 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 11:53:11,102 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 11:53:11,102 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 11:53:11,102 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:53:11,103 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:53:11,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 11:53:11,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 11:53:11,168 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_99473242-3519-4da0-bc8e-694777089f91/bin-2019/uautomizer/witness.graphml [2018-11-23 11:53:11,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:53:11,168 INFO L168 Benchmark]: Toolchain (without parser) took 8814.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 386.9 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -246.5 MB). Peak memory consumption was 140.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:53:11,170 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:53:11,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:53:11,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:53:11,170 INFO L168 Benchmark]: Boogie Preprocessor took 36.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:53:11,171 INFO L168 Benchmark]: RCFGBuilder took 531.08 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: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2018-11-23 11:53:11,171 INFO L168 Benchmark]: TraceAbstraction took 7665.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -149.8 MB). Peak memory consumption was 417.2 MB. Max. memory is 11.5 GB. [2018-11-23 11:53:11,171 INFO L168 Benchmark]: Witness Printer took 82.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-23 11:53:11,173 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 465.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 531.08 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: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7665.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -149.8 MB). Peak memory consumption was 417.2 MB. Max. memory is 11.5 GB. * Witness Printer took 82.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1005]: 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: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 167 locations, 1 error locations. SAFE Result, 7.6s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2239 SDtfs, 1568 SDslu, 7754 SDs, 0 SdLazy, 3284 SolverSat, 391 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 429 GetRequests, 326 SyntacticMatches, 4 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=909occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1797 PreInvPairs, 1895 NumberOfFragments, 1692 HoareAnnotationTreeSize, 1797 FomulaSimplifications, 2158 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 7249 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1251 NumberOfCodeBlocks, 1251 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1238 ConstructedInterpolants, 0 QuantifiedInterpolants, 221125 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1700 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 114/118 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...