./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/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 5f4b0de905917a1846797fc2994ae6377b8a6114 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:03:51,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:03:51,881 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:03:51,889 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:03:51,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:03:51,890 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:03:51,891 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:03:51,892 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:03:51,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:03:51,893 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:03:51,894 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:03:51,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:03:51,895 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:03:51,896 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:03:51,896 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:03:51,897 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:03:51,897 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:03:51,899 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:03:51,900 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:03:51,901 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:03:51,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:03:51,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:03:51,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:03:51,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:03:51,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:03:51,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:03:51,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:03:51,907 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:03:51,907 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:03:51,908 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:03:51,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:03:51,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:03:51,909 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:03:51,909 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:03:51,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:03:51,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:03:51,910 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 07:03:51,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:03:51,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:03:51,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:03:51,921 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:03:51,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 07:03:51,921 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 07:03:51,921 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 07:03:51,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:03:51,921 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 07:03:51,922 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:03:51,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:03:51,923 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:03:51,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:03:51,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:03:51,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:03:51,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:03:51,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:03:51,923 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:03:51,923 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 07:03:51,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:03:51,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:03:51,924 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_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/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 -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2018-12-02 07:03:51,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:03:51,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:03:51,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:03:51,954 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:03:51,954 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:03:51,954 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-02 07:03:51,987 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/data/0690a14bf/9d237cdb9887430e81aae215816124e8/FLAG809369bcd [2018-12-02 07:03:52,351 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:03:52,352 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-02 07:03:52,358 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/data/0690a14bf/9d237cdb9887430e81aae215816124e8/FLAG809369bcd [2018-12-02 07:03:52,718 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/data/0690a14bf/9d237cdb9887430e81aae215816124e8 [2018-12-02 07:03:52,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:03:52,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:03:52,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:03:52,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:03:52,724 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:03:52,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:03:52" (1/1) ... [2018-12-02 07:03:52,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7080f9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:52, skipping insertion in model container [2018-12-02 07:03:52,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:03:52" (1/1) ... [2018-12-02 07:03:52,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:03:52,760 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:03:52,935 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:03:52,977 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:03:53,019 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:03:53,034 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:03:53,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53 WrapperNode [2018-12-02 07:03:53,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:03:53,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:03:53,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:03:53,035 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:03:53,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... [2018-12-02 07:03:53,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... [2018-12-02 07:03:53,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:03:53,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:03:53,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:03:53,056 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:03:53,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... [2018-12-02 07:03:53,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... [2018-12-02 07:03:53,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... [2018-12-02 07:03:53,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... [2018-12-02 07:03:53,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... [2018-12-02 07:03:53,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... [2018-12-02 07:03:53,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... [2018-12-02 07:03:53,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:03:53,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:03:53,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:03:53,078 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:03:53,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/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 [2018-12-02 07:03:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 07:03:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 07:03:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:03:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:03:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 07:03:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 07:03:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:03:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 07:03:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 07:03:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 07:03:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 07:03:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 07:03:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 07:03:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 07:03:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 07:03:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 07:03:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 07:03:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 07:03:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 07:03:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 07:03:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 07:03:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 07:03:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 07:03:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 07:03:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 07:03:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 07:03:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 07:03:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 07:03:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 07:03:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 07:03:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 07:03:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 07:03:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 07:03:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 07:03:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 07:03:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 07:03:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 07:03:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 07:03:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 07:03:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 07:03:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 07:03:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 07:03:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 07:03:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 07:03:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 07:03:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 07:03:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 07:03:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 07:03:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 07:03:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 07:03:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 07:03:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 07:03:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 07:03:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 07:03:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 07:03:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 07:03:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:03:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:03:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 07:03:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 07:03:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 07:03:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 07:03:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:03:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:03:53,415 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:03:53,415 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 07:03:53,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:53 BoogieIcfgContainer [2018-12-02 07:03:53,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:03:53,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:03:53,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:03:53,418 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:03:53,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:03:52" (1/3) ... [2018-12-02 07:03:53,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224eddc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:03:53, skipping insertion in model container [2018-12-02 07:03:53,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:53" (2/3) ... [2018-12-02 07:03:53,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224eddc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:03:53, skipping insertion in model container [2018-12-02 07:03:53,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:53" (3/3) ... [2018-12-02 07:03:53,420 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-02 07:03:53,426 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:03:53,431 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:03:53,440 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:03:53,457 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 07:03:53,458 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:03:53,458 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:03:53,458 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:03:53,458 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:03:53,458 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:03:53,458 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:03:53,458 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:03:53,458 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:03:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-12-02 07:03:53,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 07:03:53,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:53,476 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:53,477 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:53,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:53,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1250052594, now seen corresponding path program 1 times [2018-12-02 07:03:53,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:53,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:53,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:53,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:53,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:53,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:53,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 07:03:53,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 07:03:53,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 07:03:53,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:03:53,630 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-12-02 07:03:53,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:53,654 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2018-12-02 07:03:53,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 07:03:53,654 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 07:03:53,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:53,661 INFO L225 Difference]: With dead ends: 300 [2018-12-02 07:03:53,662 INFO L226 Difference]: Without dead ends: 152 [2018-12-02 07:03:53,664 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 [2018-12-02 07:03:53,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-02 07:03:53,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-02 07:03:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-02 07:03:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2018-12-02 07:03:53,694 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2018-12-02 07:03:53,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:53,694 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2018-12-02 07:03:53,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 07:03:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2018-12-02 07:03:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 07:03:53,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:53,696 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] [2018-12-02 07:03:53,696 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:53,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:53,697 INFO L82 PathProgramCache]: Analyzing trace with hash -269928811, now seen corresponding path program 1 times [2018-12-02 07:03:53,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:53,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:53,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:53,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:53,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:53,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:53,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 07:03:53,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:03:53,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:03:53,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:03:53,753 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2018-12-02 07:03:53,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:53,766 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2018-12-02 07:03:53,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:03:53,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 07:03:53,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:53,768 INFO L225 Difference]: With dead ends: 245 [2018-12-02 07:03:53,768 INFO L226 Difference]: Without dead ends: 143 [2018-12-02 07:03:53,769 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 [2018-12-02 07:03:53,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-02 07:03:53,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-02 07:03:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-02 07:03:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-12-02 07:03:53,777 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2018-12-02 07:03:53,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:53,777 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-12-02 07:03:53,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:03:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-12-02 07:03:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 07:03:53,778 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:53,778 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:53,778 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:53,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:53,778 INFO L82 PathProgramCache]: Analyzing trace with hash 670016897, now seen corresponding path program 1 times [2018-12-02 07:03:53,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:53,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:53,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:53,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:53,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:53,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:53,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:03:53,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:03:53,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:03:53,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:03:53,852 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2018-12-02 07:03:54,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:54,043 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2018-12-02 07:03:54,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 07:03:54,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 07:03:54,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:54,044 INFO L225 Difference]: With dead ends: 258 [2018-12-02 07:03:54,044 INFO L226 Difference]: Without dead ends: 143 [2018-12-02 07:03:54,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:03:54,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-02 07:03:54,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-02 07:03:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-02 07:03:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2018-12-02 07:03:54,053 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2018-12-02 07:03:54,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:54,053 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2018-12-02 07:03:54,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:03:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2018-12-02 07:03:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 07:03:54,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:54,054 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] [2018-12-02 07:03:54,055 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:54,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:54,055 INFO L82 PathProgramCache]: Analyzing trace with hash -54842405, now seen corresponding path program 1 times [2018-12-02 07:03:54,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:54,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:54,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:54,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:54,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:54,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:54,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 07:03:54,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 07:03:54,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 07:03:54,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 07:03:54,113 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2018-12-02 07:03:54,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:54,421 INFO L93 Difference]: Finished difference Result 367 states and 447 transitions. [2018-12-02 07:03:54,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 07:03:54,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-12-02 07:03:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:54,423 INFO L225 Difference]: With dead ends: 367 [2018-12-02 07:03:54,423 INFO L226 Difference]: Without dead ends: 252 [2018-12-02 07:03:54,423 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 [2018-12-02 07:03:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-12-02 07:03:54,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 233. [2018-12-02 07:03:54,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-12-02 07:03:54,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2018-12-02 07:03:54,441 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2018-12-02 07:03:54,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:54,441 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2018-12-02 07:03:54,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 07:03:54,441 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2018-12-02 07:03:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 07:03:54,443 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:54,443 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:54,443 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:54,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:54,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1190541314, now seen corresponding path program 1 times [2018-12-02 07:03:54,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:54,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:54,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:54,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:54,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:54,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:54,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:03:54,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:03:54,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:03:54,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:03:54,516 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 6 states. [2018-12-02 07:03:54,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:54,646 INFO L93 Difference]: Finished difference Result 625 states and 734 transitions. [2018-12-02 07:03:54,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 07:03:54,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-02 07:03:54,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:54,650 INFO L225 Difference]: With dead ends: 625 [2018-12-02 07:03:54,650 INFO L226 Difference]: Without dead ends: 420 [2018-12-02 07:03:54,651 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 [2018-12-02 07:03:54,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-12-02 07:03:54,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 414. [2018-12-02 07:03:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-12-02 07:03:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2018-12-02 07:03:54,676 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2018-12-02 07:03:54,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:54,676 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2018-12-02 07:03:54,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:03:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2018-12-02 07:03:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 07:03:54,678 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:54,678 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:54,678 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:54,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:54,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1720134146, now seen corresponding path program 1 times [2018-12-02 07:03:54,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:54,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:54,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:54,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:54,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:54,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:54,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:03:54,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:03:54,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:03:54,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:03:54,759 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 7 states. [2018-12-02 07:03:55,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:55,089 INFO L93 Difference]: Finished difference Result 831 states and 972 transitions. [2018-12-02 07:03:55,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 07:03:55,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-02 07:03:55,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:55,091 INFO L225 Difference]: With dead ends: 831 [2018-12-02 07:03:55,091 INFO L226 Difference]: Without dead ends: 445 [2018-12-02 07:03:55,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 07:03:55,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-12-02 07:03:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 413. [2018-12-02 07:03:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-12-02 07:03:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2018-12-02 07:03:55,118 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2018-12-02 07:03:55,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:55,118 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2018-12-02 07:03:55,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:03:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2018-12-02 07:03:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 07:03:55,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:55,120 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:55,121 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:55,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:55,121 INFO L82 PathProgramCache]: Analyzing trace with hash 32002960, now seen corresponding path program 1 times [2018-12-02 07:03:55,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:55,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:55,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:55,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:55,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:55,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:03:55,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:03:55,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:03:55,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:03:55,188 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 6 states. [2018-12-02 07:03:55,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:55,212 INFO L93 Difference]: Finished difference Result 808 states and 932 transitions. [2018-12-02 07:03:55,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 07:03:55,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-02 07:03:55,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:55,214 INFO L225 Difference]: With dead ends: 808 [2018-12-02 07:03:55,214 INFO L226 Difference]: Without dead ends: 423 [2018-12-02 07:03:55,215 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 [2018-12-02 07:03:55,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-12-02 07:03:55,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-12-02 07:03:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-12-02 07:03:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2018-12-02 07:03:55,227 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2018-12-02 07:03:55,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:55,227 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2018-12-02 07:03:55,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:03:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2018-12-02 07:03:55,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 07:03:55,228 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:55,228 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:55,228 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:55,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:55,228 INFO L82 PathProgramCache]: Analyzing trace with hash -40383598, now seen corresponding path program 1 times [2018-12-02 07:03:55,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:55,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:55,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:55,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:55,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:55,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 07:03:55,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 07:03:55,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 07:03:55,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:03:55,274 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 8 states. [2018-12-02 07:03:55,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:55,297 INFO L93 Difference]: Finished difference Result 832 states and 968 transitions. [2018-12-02 07:03:55,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 07:03:55,298 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-02 07:03:55,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:55,299 INFO L225 Difference]: With dead ends: 832 [2018-12-02 07:03:55,300 INFO L226 Difference]: Without dead ends: 437 [2018-12-02 07:03:55,301 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 [2018-12-02 07:03:55,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-12-02 07:03:55,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2018-12-02 07:03:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-12-02 07:03:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2018-12-02 07:03:55,321 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2018-12-02 07:03:55,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:55,321 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2018-12-02 07:03:55,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 07:03:55,322 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2018-12-02 07:03:55,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 07:03:55,323 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:55,323 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:55,323 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:55,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:55,323 INFO L82 PathProgramCache]: Analyzing trace with hash 289382163, now seen corresponding path program 1 times [2018-12-02 07:03:55,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:55,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:55,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:55,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:55,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:55,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 07:03:55,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 07:03:55,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 07:03:55,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:03:55,365 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 4 states. [2018-12-02 07:03:55,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:55,504 INFO L93 Difference]: Finished difference Result 1306 states and 1552 transitions. [2018-12-02 07:03:55,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 07:03:55,504 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-02 07:03:55,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:55,507 INFO L225 Difference]: With dead ends: 1306 [2018-12-02 07:03:55,507 INFO L226 Difference]: Without dead ends: 903 [2018-12-02 07:03:55,508 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 [2018-12-02 07:03:55,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-12-02 07:03:55,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 573. [2018-12-02 07:03:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2018-12-02 07:03:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 642 transitions. [2018-12-02 07:03:55,529 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 642 transitions. Word has length 94 [2018-12-02 07:03:55,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:55,529 INFO L480 AbstractCegarLoop]: Abstraction has 573 states and 642 transitions. [2018-12-02 07:03:55,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 07:03:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 642 transitions. [2018-12-02 07:03:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 07:03:55,530 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:55,530 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:55,530 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:55,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:55,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1031306131, now seen corresponding path program 1 times [2018-12-02 07:03:55,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:55,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:55,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:55,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:55,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:55,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 07:03:55,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:03:55,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:03:55,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:03:55,561 INFO L87 Difference]: Start difference. First operand 573 states and 642 transitions. Second operand 3 states. [2018-12-02 07:03:55,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:55,596 INFO L93 Difference]: Finished difference Result 898 states and 1022 transitions. [2018-12-02 07:03:55,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:03:55,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-12-02 07:03:55,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:55,599 INFO L225 Difference]: With dead ends: 898 [2018-12-02 07:03:55,599 INFO L226 Difference]: Without dead ends: 895 [2018-12-02 07:03:55,599 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 [2018-12-02 07:03:55,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-12-02 07:03:55,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 741. [2018-12-02 07:03:55,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-12-02 07:03:55,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 841 transitions. [2018-12-02 07:03:55,631 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 841 transitions. Word has length 98 [2018-12-02 07:03:55,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:55,631 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 841 transitions. [2018-12-02 07:03:55,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:03:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 841 transitions. [2018-12-02 07:03:55,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 07:03:55,633 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:55,633 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:55,634 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:55,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:55,634 INFO L82 PathProgramCache]: Analyzing trace with hash 2080725161, now seen corresponding path program 1 times [2018-12-02 07:03:55,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:55,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:55,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:55,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 07:03:55,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:03:55,700 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/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 [2018-12-02 07:03:55,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:55,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:03:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:55,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:03:55,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-02 07:03:55,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 07:03:55,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 07:03:55,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:03:55,875 INFO L87 Difference]: Start difference. First operand 741 states and 841 transitions. Second operand 8 states. [2018-12-02 07:03:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:55,968 INFO L93 Difference]: Finished difference Result 1249 states and 1428 transitions. [2018-12-02 07:03:55,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 07:03:55,969 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2018-12-02 07:03:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:55,971 INFO L225 Difference]: With dead ends: 1249 [2018-12-02 07:03:55,971 INFO L226 Difference]: Without dead ends: 674 [2018-12-02 07:03:55,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:03:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-12-02 07:03:55,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2018-12-02 07:03:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-12-02 07:03:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 755 transitions. [2018-12-02 07:03:55,998 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 755 transitions. Word has length 162 [2018-12-02 07:03:55,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:55,998 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 755 transitions. [2018-12-02 07:03:55,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 07:03:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 755 transitions. [2018-12-02 07:03:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 07:03:56,000 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:56,001 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:03:56,001 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:56,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:56,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1470059897, now seen corresponding path program 1 times [2018-12-02 07:03:56,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 07:03:56,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 07:03:56,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:56,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:56,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 07:03:56,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:03:56,100 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/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 [2018-12-02 07:03:56,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:56,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:03:56,302 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 07:03:56,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:03:56,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 07:03:56,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 07:03:56,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 07:03:56,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 07:03:56,325 INFO L87 Difference]: Start difference. First operand 674 states and 755 transitions. Second operand 19 states. [2018-12-02 07:03:56,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:56,856 INFO L93 Difference]: Finished difference Result 1220 states and 1378 transitions. [2018-12-02 07:03:56,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 07:03:56,856 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 175 [2018-12-02 07:03:56,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:56,857 INFO L225 Difference]: With dead ends: 1220 [2018-12-02 07:03:56,857 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 07:03:56,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 07:03:56,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 07:03:56,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 07:03:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 07:03:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 07:03:56,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-12-02 07:03:56,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:56,860 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 07:03:56,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 07:03:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 07:03:56,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 07:03:56,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 07:03:56,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:56,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:03:57,274 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2018-12-02 07:03:57,382 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2018-12-02 07:03:57,594 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-12-02 07:03:59,495 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2018-12-02 07:03:59,495 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2018-12-02 07:03:59,495 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2018-12-02 07:03:59,495 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2018-12-02 07:03:59,495 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2018-12-02 07:03:59,495 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,496 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,496 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,496 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,496 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-02 07:03:59,496 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-02 07:03:59,496 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,496 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,496 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-02 07:03:59,496 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-02 07:03:59,496 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 07:03:59,496 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2018-12-02 07:03:59,496 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2018-12-02 07:03:59,496 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2018-12-02 07:03:59,496 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2018-12-02 07:03:59,496 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 844) no Hoare annotation was computed. [2018-12-02 07:03:59,496 INFO L451 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2018-12-02 07:03:59,497 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2018-12-02 07:03:59,497 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,497 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-02 07:03:59,497 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2018-12-02 07:03:59,497 INFO L451 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-12-02 07:03:59,497 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2018-12-02 07:03:59,498 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 07:03:59,498 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2018-12-02 07:03:59,498 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2018-12-02 07:03:59,498 INFO L448 ceAbstractionStarter]: For program point L943(lines 943 949) no Hoare annotation was computed. [2018-12-02 07:03:59,498 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2018-12-02 07:03:59,498 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2018-12-02 07:03:59,498 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2018-12-02 07:03:59,498 INFO L444 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-12-02 07:03:59,498 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2018-12-02 07:03:59,499 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2) (or .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse1 .cse0) (or .cse4 .cse2)))) [2018-12-02 07:03:59,499 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2018-12-02 07:03:59,499 INFO L444 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-12-02 07:03:59,499 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse2 .cse4 .cse3 .cse5)))) [2018-12-02 07:03:59,499 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2018-12-02 07:03:59,499 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse5) (or .cse4 .cse3 .cse2 .cse5)))) [2018-12-02 07:03:59,499 INFO L448 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2018-12-02 07:03:59,499 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2018-12-02 07:03:59,499 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2018-12-02 07:03:59,500 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2018-12-02 07:03:59,500 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,500 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-12-02 07:03:59,500 INFO L444 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-12-02 07:03:59,500 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2018-12-02 07:03:59,500 INFO L448 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-12-02 07:03:59,500 INFO L444 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-12-02 07:03:59,500 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-12-02 07:03:59,501 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-02 07:03:59,501 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-12-02 07:03:59,501 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2018-12-02 07:03:59,501 INFO L444 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-02 07:03:59,501 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-02 07:03:59,501 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-12-02 07:03:59,501 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2018-12-02 07:03:59,501 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-12-02 07:03:59,501 INFO L444 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 07:03:59,502 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2018-12-02 07:03:59,502 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2018-12-02 07:03:59,502 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2018-12-02 07:03:59,502 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2018-12-02 07:03:59,502 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-02 07:03:59,502 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-12-02 07:03:59,502 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-12-02 07:03:59,502 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2018-12-02 07:03:59,503 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-12-02 07:03:59,503 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-02 07:03:59,503 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2018-12-02 07:03:59,503 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2018-12-02 07:03:59,503 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-02 07:03:59,503 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2018-12-02 07:03:59,503 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-12-02 07:03:59,503 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 07:03:59,503 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2018-12-02 07:03:59,503 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2018-12-02 07:03:59,504 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:03:59,504 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 07:03:59,504 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:03:59,504 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2018-12-02 07:03:59,504 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2018-12-02 07:03:59,504 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 07:03:59,504 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2018-12-02 07:03:59,504 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2018-12-02 07:03:59,504 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-02 07:03:59,504 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2018-12-02 07:03:59,504 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-12-02 07:03:59,505 INFO L448 ceAbstractionStarter]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2018-12-02 07:03:59,505 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-12-02 07:03:59,505 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-12-02 07:03:59,505 INFO L448 ceAbstractionStarter]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2018-12-02 07:03:59,505 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2018-12-02 07:03:59,505 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2018-12-02 07:03:59,505 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2018-12-02 07:03:59,505 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2018-12-02 07:03:59,505 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse5) (or .cse6 .cse4 .cse5)))) [2018-12-02 07:03:59,505 INFO L448 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2018-12-02 07:03:59,506 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-12-02 07:03:59,506 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2018-12-02 07:03:59,506 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2018-12-02 07:03:59,506 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse4 .cse5 .cse2) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-12-02 07:03:59,506 INFO L444 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or .cse11 .cse2)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and (= 1 ~waterLevel~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7) .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse5 .cse4 (and .cse6 .cse7 .cse10) .cse8) (or .cse11 .cse12 .cse2 .cse13 .cse8 .cse9) (or .cse0 .cse11 .cse2 .cse13 .cse8 .cse12)))) [2018-12-02 07:03:59,506 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-02 07:03:59,506 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-02 07:03:59,506 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-02 07:03:59,507 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-02 07:03:59,507 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-02 07:03:59,507 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-02 07:03:59,507 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-02 07:03:59,507 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-02 07:03:59,507 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-02 07:03:59,507 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-02 07:03:59,507 INFO L448 ceAbstractionStarter]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2018-12-02 07:03:59,507 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: true [2018-12-02 07:03:59,507 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2018-12-02 07:03:59,507 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-02 07:03:59,507 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-02 07:03:59,508 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:03:59,508 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 07:03:59,508 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 07:03:59,508 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:03:59,508 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 07:03:59,508 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 07:03:59,508 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2018-12-02 07:03:59,508 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 07:03:59,508 INFO L448 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2018-12-02 07:03:59,509 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2018-12-02 07:03:59,509 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2018-12-02 07:03:59,509 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-02 07:03:59,509 INFO L448 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2018-12-02 07:03:59,509 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 07:03:59,509 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-12-02 07:03:59,509 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse4 (not (= |old(~systemActive~0)| 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse4 .cse5 .cse1)))) [2018-12-02 07:03:59,509 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-12-02 07:03:59,509 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2018-12-02 07:03:59,510 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2018-12-02 07:03:59,510 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-12-02 07:03:59,510 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2018-12-02 07:03:59,510 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2018-12-02 07:03:59,510 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-12-02 07:03:59,510 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2018-12-02 07:03:59,510 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-02 07:03:59,510 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2018-12-02 07:03:59,511 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-02 07:03:59,511 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 07:03:59,511 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2018-12-02 07:03:59,511 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-02 07:03:59,511 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-12-02 07:03:59,511 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2018-12-02 07:03:59,511 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 07:03:59,511 INFO L448 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2018-12-02 07:03:59,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:03:59 BoogieIcfgContainer [2018-12-02 07:03:59,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:03:59,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:03:59,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:03:59,523 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:03:59,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:53" (3/4) ... [2018-12-02 07:03:59,526 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 07:03:59,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 07:03:59,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 07:03:59,533 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 07:03:59,534 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 07:03:59,534 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 07:03:59,534 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 07:03:59,534 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 07:03:59,534 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 07:03:59,540 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 07:03:59,540 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 07:03:59,541 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 07:03:59,541 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 07:03:59,542 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 07:03:59,542 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 07:03:59,559 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-12-02 07:03:59,559 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 07:03:59,588 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6fc9665-9cd5-49f9-bc3f-a323cd32126c/bin-2019/uautomizer/witness.graphml [2018-12-02 07:03:59,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:03:59,589 INFO L168 Benchmark]: Toolchain (without parser) took 6868.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 373.3 MB). Free memory was 950.6 MB in the beginning and 971.5 MB in the end (delta: -20.9 MB). Peak memory consumption was 352.4 MB. Max. memory is 11.5 GB. [2018-12-02 07:03:59,589 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:03:59,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 07:03:59,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.63 ms. Allocated memory is still 1.1 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. [2018-12-02 07:03:59,590 INFO L168 Benchmark]: Boogie Preprocessor took 22.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:03:59,590 INFO L168 Benchmark]: RCFGBuilder took 337.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:03:59,590 INFO L168 Benchmark]: TraceAbstraction took 6105.96 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 257.4 MB). Free memory was 1.0 GB in the beginning and 982.2 MB in the end (delta: 57.4 MB). Peak memory consumption was 417.5 MB. Max. memory is 11.5 GB. [2018-12-02 07:03:59,590 INFO L168 Benchmark]: Witness Printer took 65.92 ms. Allocated memory is still 1.4 GB. Free memory was 982.2 MB in the beginning and 971.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 07:03:59,591 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.63 ms. Allocated memory is still 1.1 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 22.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 337.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6105.96 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 257.4 MB). Free memory was 1.0 GB in the beginning and 982.2 MB in the end (delta: 57.4 MB). Peak memory consumption was 417.5 MB. Max. memory is 11.5 GB. * Witness Printer took 65.92 ms. Allocated memory is still 1.4 GB. Free memory was 982.2 MB in the beginning and 971.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 165 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2308 SDtfs, 1547 SDslu, 6556 SDs, 0 SdLazy, 2182 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 475 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=741occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 547 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1683 PreInvPairs, 1742 NumberOfFragments, 2800 HoareAnnotationTreeSize, 1683 FomulaSimplifications, 6285 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 8972 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1471 NumberOfCodeBlocks, 1471 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1457 ConstructedInterpolants, 0 QuantifiedInterpolants, 296042 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1875 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 202/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...