./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/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 4366671714130af280ec4232c34176d9c997fd05 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:16:26,830 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:16:26,831 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:16:26,838 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:16:26,838 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:16:26,839 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:16:26,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:16:26,841 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:16:26,842 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:16:26,842 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:16:26,843 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:16:26,843 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:16:26,844 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:16:26,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:16:26,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:16:26,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:16:26,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:16:26,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:16:26,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:16:26,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:16:26,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:16:26,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:16:26,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:16:26,853 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:16:26,853 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:16:26,853 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:16:26,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:16:26,854 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:16:26,855 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:16:26,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:16:26,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:16:26,856 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:16:26,856 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:16:26,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:16:26,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:16:26,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:16:26,857 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:16:26,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:16:26,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:16:26,867 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:16:26,868 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:16:26,868 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:16:26,868 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:16:26,868 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:16:26,868 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:16:26,869 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:16:26,869 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:16:26,869 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:16:26,869 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:16:26,869 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:16:26,869 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:16:26,869 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:16:26,869 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:16:26,870 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:16:26,870 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:16:26,870 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:16:26,870 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:16:26,870 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:16:26,870 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:16:26,870 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:16:26,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:16:26,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:16:26,871 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:16:26,871 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:16:26,871 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:16:26,871 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:16:26,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:16:26,871 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_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/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 -> 4366671714130af280ec4232c34176d9c997fd05 [2018-11-23 08:16:26,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:16:26,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:16:26,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:16:26,908 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:16:26,909 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:16:26,909 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-23 08:16:26,953 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/data/d8813e59c/64bfbb0e5d5f4647b8c8c1e7b936fb2c/FLAG1ceb9632d [2018-11-23 08:16:27,385 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:16:27,385 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-23 08:16:27,393 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/data/d8813e59c/64bfbb0e5d5f4647b8c8c1e7b936fb2c/FLAG1ceb9632d [2018-11-23 08:16:27,404 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/data/d8813e59c/64bfbb0e5d5f4647b8c8c1e7b936fb2c [2018-11-23 08:16:27,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:16:27,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:16:27,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:16:27,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:16:27,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:16:27,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27, skipping insertion in model container [2018-11-23 08:16:27,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:16:27,453 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:16:27,647 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:16:27,656 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:16:27,757 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:16:27,780 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:16:27,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27 WrapperNode [2018-11-23 08:16:27,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:16:27,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:16:27,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:16:27,781 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:16:27,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:16:27,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:16:27,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:16:27,806 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:16:27,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... [2018-11-23 08:16:27,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:16:27,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:16:27,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:16:27,835 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:16:27,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:16:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 08:16:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 08:16:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:16:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:16:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:16:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 08:16:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 08:16:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 08:16:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 08:16:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 08:16:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 08:16:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 08:16:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 08:16:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 08:16:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 08:16:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 08:16:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 08:16:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 08:16:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 08:16:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 08:16:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 08:16:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 08:16:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 08:16:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 08:16:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 08:16:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 08:16:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 08:16:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 08:16:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 08:16:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 08:16:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 08:16:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 08:16:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 08:16:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 08:16:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 08:16:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 08:16:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 08:16:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 08:16:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 08:16:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:16:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:16:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 08:16:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 08:16:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 08:16:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 08:16:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 08:16:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 08:16:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 08:16:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 08:16:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 08:16:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 08:16:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:16:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:16:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:16:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 08:16:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 08:16:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 08:16:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 08:16:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:16:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:16:28,278 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:16:28,278 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 08:16:28,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:28 BoogieIcfgContainer [2018-11-23 08:16:28,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:16:28,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:16:28,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:16:28,281 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:16:28,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:16:27" (1/3) ... [2018-11-23 08:16:28,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565f249f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:16:28, skipping insertion in model container [2018-11-23 08:16:28,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:27" (2/3) ... [2018-11-23 08:16:28,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565f249f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:16:28, skipping insertion in model container [2018-11-23 08:16:28,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:28" (3/3) ... [2018-11-23 08:16:28,283 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-23 08:16:28,289 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:16:28,294 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:16:28,303 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:16:28,323 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:16:28,324 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:16:28,324 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:16:28,324 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:16:28,324 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:16:28,324 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:16:28,324 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:16:28,324 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:16:28,324 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:16:28,339 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-11-23 08:16:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 08:16:28,345 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:28,346 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:28,348 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:28,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:28,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1399684828, now seen corresponding path program 1 times [2018-11-23 08:16:28,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:28,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:28,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:28,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:28,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:28,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:28,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:16:28,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:16:28,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:16:28,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:16:28,545 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-11-23 08:16:28,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:28,575 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2018-11-23 08:16:28,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:16:28,576 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 08:16:28,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:28,585 INFO L225 Difference]: With dead ends: 274 [2018-11-23 08:16:28,585 INFO L226 Difference]: Without dead ends: 139 [2018-11-23 08:16:28,588 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:16:28,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-23 08:16:28,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-23 08:16:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-23 08:16:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-11-23 08:16:28,626 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2018-11-23 08:16:28,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:28,627 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-11-23 08:16:28,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:16:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-11-23 08:16:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 08:16:28,629 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:28,630 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:28,630 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:28,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:28,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1356106720, now seen corresponding path program 1 times [2018-11-23 08:16:28,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:28,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:28,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:28,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:28,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:28,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:28,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:16:28,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:16:28,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:16:28,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:16:28,722 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2018-11-23 08:16:28,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:28,742 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-11-23 08:16:28,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:16:28,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 08:16:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:28,744 INFO L225 Difference]: With dead ends: 219 [2018-11-23 08:16:28,744 INFO L226 Difference]: Without dead ends: 130 [2018-11-23 08:16:28,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:16:28,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-23 08:16:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-23 08:16:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 08:16:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-11-23 08:16:28,756 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2018-11-23 08:16:28,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:28,756 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-11-23 08:16:28,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:16:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-11-23 08:16:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 08:16:28,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:28,758 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:28,758 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:28,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:28,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1397764326, now seen corresponding path program 1 times [2018-11-23 08:16:28,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:28,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:28,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:28,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:28,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:28,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:28,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:16:28,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:16:28,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:16:28,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:16:28,867 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-11-23 08:16:29,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:29,095 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2018-11-23 08:16:29,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:16:29,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 08:16:29,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:29,097 INFO L225 Difference]: With dead ends: 232 [2018-11-23 08:16:29,097 INFO L226 Difference]: Without dead ends: 130 [2018-11-23 08:16:29,098 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 [2018-11-23 08:16:29,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-23 08:16:29,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-23 08:16:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 08:16:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-11-23 08:16:29,109 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 57 [2018-11-23 08:16:29,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:29,110 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-11-23 08:16:29,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:16:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-11-23 08:16:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 08:16:29,112 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:29,112 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:29,112 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:29,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:29,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1393884155, now seen corresponding path program 1 times [2018-11-23 08:16:29,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:29,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:29,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:29,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:29,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:29,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:29,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:29,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:16:29,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:16:29,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:16:29,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:16:29,192 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2018-11-23 08:16:29,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:29,522 INFO L93 Difference]: Finished difference Result 340 states and 412 transitions. [2018-11-23 08:16:29,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:16:29,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 08:16:29,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:29,524 INFO L225 Difference]: With dead ends: 340 [2018-11-23 08:16:29,524 INFO L226 Difference]: Without dead ends: 238 [2018-11-23 08:16:29,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:16:29,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-11-23 08:16:29,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 219. [2018-11-23 08:16:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-23 08:16:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2018-11-23 08:16:29,547 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 70 [2018-11-23 08:16:29,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:29,547 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2018-11-23 08:16:29,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:16:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2018-11-23 08:16:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 08:16:29,549 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:29,549 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:29,550 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:29,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:29,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1880512136, now seen corresponding path program 1 times [2018-11-23 08:16:29,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:29,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:29,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:29,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:29,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:29,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:29,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 08:16:29,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 08:16:29,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 08:16:29,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:16:29,654 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand 8 states. [2018-11-23 08:16:29,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:29,702 INFO L93 Difference]: Finished difference Result 417 states and 491 transitions. [2018-11-23 08:16:29,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:16:29,702 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-23 08:16:29,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:29,705 INFO L225 Difference]: With dead ends: 417 [2018-11-23 08:16:29,705 INFO L226 Difference]: Without dead ends: 226 [2018-11-23 08:16:29,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:16:29,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-23 08:16:29,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2018-11-23 08:16:29,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-23 08:16:29,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 255 transitions. [2018-11-23 08:16:29,722 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 255 transitions. Word has length 84 [2018-11-23 08:16:29,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:29,722 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 255 transitions. [2018-11-23 08:16:29,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 08:16:29,722 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 255 transitions. [2018-11-23 08:16:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 08:16:29,723 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:29,723 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:29,723 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:29,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:29,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1857879882, now seen corresponding path program 1 times [2018-11-23 08:16:29,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:29,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:29,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:29,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:29,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:29,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:29,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:16:29,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:16:29,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:16:29,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:16:29,806 INFO L87 Difference]: Start difference. First operand 223 states and 255 transitions. Second operand 6 states. [2018-11-23 08:16:29,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:29,961 INFO L93 Difference]: Finished difference Result 595 states and 701 transitions. [2018-11-23 08:16:29,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:16:29,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 08:16:29,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:29,966 INFO L225 Difference]: With dead ends: 595 [2018-11-23 08:16:29,966 INFO L226 Difference]: Without dead ends: 400 [2018-11-23 08:16:29,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:16:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-11-23 08:16:29,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 394. [2018-11-23 08:16:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-11-23 08:16:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 450 transitions. [2018-11-23 08:16:29,992 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 450 transitions. Word has length 84 [2018-11-23 08:16:29,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:29,992 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 450 transitions. [2018-11-23 08:16:29,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:16:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 450 transitions. [2018-11-23 08:16:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 08:16:29,993 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:29,993 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:29,993 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:29,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:29,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1649329402, now seen corresponding path program 1 times [2018-11-23 08:16:29,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:29,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:29,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:29,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:29,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:30,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:30,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:16:30,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:16:30,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:16:30,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:16:30,080 INFO L87 Difference]: Start difference. First operand 394 states and 450 transitions. Second operand 7 states. [2018-11-23 08:16:30,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:30,536 INFO L93 Difference]: Finished difference Result 791 states and 928 transitions. [2018-11-23 08:16:30,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 08:16:30,537 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-23 08:16:30,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:30,539 INFO L225 Difference]: With dead ends: 791 [2018-11-23 08:16:30,539 INFO L226 Difference]: Without dead ends: 425 [2018-11-23 08:16:30,540 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:16:30,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-11-23 08:16:30,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2018-11-23 08:16:30,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-11-23 08:16:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 447 transitions. [2018-11-23 08:16:30,564 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 447 transitions. Word has length 88 [2018-11-23 08:16:30,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:30,565 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 447 transitions. [2018-11-23 08:16:30,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:16:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 447 transitions. [2018-11-23 08:16:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 08:16:30,566 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:30,566 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:30,567 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:30,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:30,567 INFO L82 PathProgramCache]: Analyzing trace with hash 2017897965, now seen corresponding path program 1 times [2018-11-23 08:16:30,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:30,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:30,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:30,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:30,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:30,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:30,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:16:30,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:16:30,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:16:30,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:16:30,623 INFO L87 Difference]: Start difference. First operand 393 states and 447 transitions. Second operand 6 states. [2018-11-23 08:16:30,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:30,659 INFO L93 Difference]: Finished difference Result 772 states and 898 transitions. [2018-11-23 08:16:30,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:16:30,660 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-23 08:16:30,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:30,662 INFO L225 Difference]: With dead ends: 772 [2018-11-23 08:16:30,662 INFO L226 Difference]: Without dead ends: 407 [2018-11-23 08:16:30,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:16:30,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-11-23 08:16:30,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2018-11-23 08:16:30,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-11-23 08:16:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 457 transitions. [2018-11-23 08:16:30,699 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 457 transitions. Word has length 104 [2018-11-23 08:16:30,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:30,699 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 457 transitions. [2018-11-23 08:16:30,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:16:30,699 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 457 transitions. [2018-11-23 08:16:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 08:16:30,701 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:30,701 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:30,701 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:30,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:30,701 INFO L82 PathProgramCache]: Analyzing trace with hash -589336758, now seen corresponding path program 1 times [2018-11-23 08:16:30,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:30,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:30,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:30,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:30,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:30,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:30,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:16:30,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:16:30,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:16:30,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:16:30,797 INFO L87 Difference]: Start difference. First operand 403 states and 457 transitions. Second operand 4 states. [2018-11-23 08:16:30,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:30,962 INFO L93 Difference]: Finished difference Result 1188 states and 1416 transitions. [2018-11-23 08:16:30,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:16:30,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-23 08:16:30,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:30,966 INFO L225 Difference]: With dead ends: 1188 [2018-11-23 08:16:30,966 INFO L226 Difference]: Without dead ends: 813 [2018-11-23 08:16:30,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:16:30,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-11-23 08:16:31,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 798. [2018-11-23 08:16:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-11-23 08:16:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 931 transitions. [2018-11-23 08:16:31,009 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 931 transitions. Word has length 104 [2018-11-23 08:16:31,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:31,010 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 931 transitions. [2018-11-23 08:16:31,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:16:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 931 transitions. [2018-11-23 08:16:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 08:16:31,011 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:31,011 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:31,012 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:31,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:31,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1797317316, now seen corresponding path program 1 times [2018-11-23 08:16:31,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:31,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:31,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:31,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:31,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 08:16:31,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:16:31,125 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:16:31,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:31,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:16:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:31,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:16:31,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 08:16:31,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 08:16:31,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 08:16:31,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:16:31,440 INFO L87 Difference]: Start difference. First operand 798 states and 931 transitions. Second operand 19 states. [2018-11-23 08:16:32,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:32,364 INFO L93 Difference]: Finished difference Result 1537 states and 1813 transitions. [2018-11-23 08:16:32,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 08:16:32,365 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-23 08:16:32,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:32,368 INFO L225 Difference]: With dead ends: 1537 [2018-11-23 08:16:32,368 INFO L226 Difference]: Without dead ends: 767 [2018-11-23 08:16:32,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 08:16:32,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-11-23 08:16:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 767. [2018-11-23 08:16:32,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2018-11-23 08:16:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 880 transitions. [2018-11-23 08:16:32,405 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 880 transitions. Word has length 108 [2018-11-23 08:16:32,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:32,405 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 880 transitions. [2018-11-23 08:16:32,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 08:16:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 880 transitions. [2018-11-23 08:16:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 08:16:32,408 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:32,408 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:32,409 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:32,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:32,409 INFO L82 PathProgramCache]: Analyzing trace with hash 568396898, now seen corresponding path program 1 times [2018-11-23 08:16:32,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:32,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:32,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:32,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:32,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:32,542 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 08:16:32,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:16:32,543 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:16:32,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:32,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:16:32,763 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 08:16:32,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:16:32,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 08:16:32,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 08:16:32,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 08:16:32,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:16:32,790 INFO L87 Difference]: Start difference. First operand 767 states and 880 transitions. Second operand 19 states. [2018-11-23 08:16:33,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:33,471 INFO L93 Difference]: Finished difference Result 1279 states and 1488 transitions. [2018-11-23 08:16:33,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 08:16:33,471 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 160 [2018-11-23 08:16:33,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:33,472 INFO L225 Difference]: With dead ends: 1279 [2018-11-23 08:16:33,472 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:16:33,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 08:16:33,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:16:33,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:16:33,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:16:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:16:33,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-11-23 08:16:33,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:33,476 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:16:33,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 08:16:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:16:33,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:16:33,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:16:33,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:33,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:33,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:33,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:33,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:33,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:33,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:33,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:34,412 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2018-11-23 08:16:35,226 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2018-11-23 08:16:35,284 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 08:16:35,284 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 08:16:35,285 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 08:16:35,285 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 08:16:35,285 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 08:16:35,285 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,285 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,285 INFO L444 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,285 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2018-11-23 08:16:35,285 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2018-11-23 08:16:35,285 INFO L448 ceAbstractionStarter]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2018-11-23 08:16:35,285 INFO L448 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-11-23 08:16:35,286 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,286 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,286 INFO L444 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,286 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2018-11-23 08:16:35,286 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-23 08:16:35,286 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-11-23 08:16:35,286 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0 .cse3) (or .cse3 .cse0 .cse1))) [2018-11-23 08:16:35,286 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse0 .cse1)))) [2018-11-23 08:16:35,286 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-11-23 08:16:35,286 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0))) [2018-11-23 08:16:35,287 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-23 08:16:35,287 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-11-23 08:16:35,287 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 08:16:35,287 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2018-11-23 08:16:35,287 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2018-11-23 08:16:35,287 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2018-11-23 08:16:35,287 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2018-11-23 08:16:35,287 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 08:16:35,287 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 08:16:35,287 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,287 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2018-11-23 08:16:35,287 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,288 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2018-11-23 08:16:35,288 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2018-11-23 08:16:35,288 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2018-11-23 08:16:35,288 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-23 08:16:35,288 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2018-11-23 08:16:35,288 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-23 08:16:35,288 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2018-11-23 08:16:35,288 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2018-11-23 08:16:35,288 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2018-11-23 08:16:35,288 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse0) (or .cse4 .cse0 .cse2))) [2018-11-23 08:16:35,288 INFO L448 ceAbstractionStarter]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2018-11-23 08:16:35,288 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2018-11-23 08:16:35,288 INFO L444 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1))) [2018-11-23 08:16:35,289 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 08:16:35,289 INFO L444 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 08:16:35,289 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2018-11-23 08:16:35,289 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 .cse4 .cse1))) [2018-11-23 08:16:35,289 INFO L448 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2018-11-23 08:16:35,289 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2018-11-23 08:16:35,289 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-23 08:16:35,289 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-11-23 08:16:35,289 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-11-23 08:16:35,289 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-11-23 08:16:35,289 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2018-11-23 08:16:35,289 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2018-11-23 08:16:35,289 INFO L444 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,290 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:16:35,290 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2018-11-23 08:16:35,290 INFO L448 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2018-11-23 08:16:35,290 INFO L444 ceAbstractionStarter]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-23 08:16:35,290 INFO L448 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2018-11-23 08:16:35,290 INFO L444 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-23 08:16:35,290 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2018-11-23 08:16:35,290 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-23 08:16:35,290 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2018-11-23 08:16:35,290 INFO L448 ceAbstractionStarter]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2018-11-23 08:16:35,290 INFO L444 ceAbstractionStarter]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-23 08:16:35,291 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2018-11-23 08:16:35,291 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2018-11-23 08:16:35,291 INFO L444 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2018-11-23 08:16:35,291 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-11-23 08:16:35,291 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: true [2018-11-23 08:16:35,291 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: true [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-11-23 08:16:35,292 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2018-11-23 08:16:35,293 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 08:16:35,293 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 08:16:35,293 INFO L448 ceAbstractionStarter]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2018-11-23 08:16:35,293 INFO L451 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2018-11-23 08:16:35,293 INFO L448 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2018-11-23 08:16:35,293 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2018-11-23 08:16:35,293 INFO L448 ceAbstractionStarter]: For program point L833-1(line 833) no Hoare annotation was computed. [2018-11-23 08:16:35,293 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2018-11-23 08:16:35,293 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2018-11-23 08:16:35,293 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-11-23 08:16:35,293 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-23 08:16:35,293 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-23 08:16:35,293 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-23 08:16:35,294 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse6 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse5 .cse1 .cse3 .cse7 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse3 .cse8 .cse7) (or .cse0 .cse8 .cse3)))) [2018-11-23 08:16:35,294 INFO L444 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse5)) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse1 .cse7) (or .cse0 (= 0 ~pumpRunning~0) .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 .cse7)))) [2018-11-23 08:16:35,294 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse1 (and (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-23 08:16:35,294 INFO L448 ceAbstractionStarter]: For program point L658(lines 657 676) no Hoare annotation was computed. [2018-11-23 08:16:35,294 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2 .cse6) (or .cse7 .cse2 .cse8) (or .cse0 .cse2 .cse7) (or .cse4 .cse5 .cse2 .cse6 .cse8) (or .cse1 .cse2 .cse3 .cse8)))) [2018-11-23 08:16:35,294 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2018-11-23 08:16:35,294 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2018-11-23 08:16:35,294 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2018-11-23 08:16:35,294 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2018-11-23 08:16:35,294 INFO L451 ceAbstractionStarter]: At program point L572(lines 547 576) the Hoare annotation is: true [2018-11-23 08:16:35,294 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 08:16:35,294 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2018-11-23 08:16:35,295 INFO L451 ceAbstractionStarter]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2018-11-23 08:16:35,295 INFO L448 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-11-23 08:16:35,295 INFO L451 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2018-11-23 08:16:35,295 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-23 08:16:35,295 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-23 08:16:35,295 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-11-23 08:16:35,295 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-11-23 08:16:35,295 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-11-23 08:16:35,295 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: true [2018-11-23 08:16:35,295 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-11-23 08:16:35,295 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-11-23 08:16:35,295 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2018-11-23 08:16:35,295 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2018-11-23 08:16:35,295 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:16:35,295 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-23 08:16:35,295 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:16:35,296 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:16:35,296 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2018-11-23 08:16:35,296 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse0 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 08:16:35,296 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2018-11-23 08:16:35,296 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-11-23 08:16:35,296 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-11-23 08:16:35,296 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 08:16:35,296 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2018-11-23 08:16:35,296 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2018-11-23 08:16:35,296 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2018-11-23 08:16:35,296 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2018-11-23 08:16:35,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:16:35 BoogieIcfgContainer [2018-11-23 08:16:35,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:16:35,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:16:35,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:16:35,308 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:16:35,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:28" (3/4) ... [2018-11-23 08:16:35,311 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:16:35,316 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 08:16:35,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 08:16:35,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 08:16:35,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 08:16:35,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 08:16:35,324 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 08:16:35,325 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 08:16:35,325 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 08:16:35,326 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:16:35,326 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:16:35,326 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:16:35,327 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:16:35,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) [2018-11-23 08:16:35,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 08:16:35,377 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f7af0b06-2f8a-4fcc-a907-42bb943c0a74/bin-2019/uautomizer/witness.graphml [2018-11-23 08:16:35,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:16:35,377 INFO L168 Benchmark]: Toolchain (without parser) took 7970.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 955.4 MB in the beginning and 1.0 GB in the end (delta: -82.6 MB). Peak memory consumption was 153.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:35,378 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:16:35,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:35,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.05 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. [2018-11-23 08:16:35,379 INFO L168 Benchmark]: Boogie Preprocessor took 29.61 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:35,379 INFO L168 Benchmark]: RCFGBuilder took 443.30 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: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:35,379 INFO L168 Benchmark]: TraceAbstraction took 7028.77 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 125.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -11.6 MB). Peak memory consumption was 350.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:35,379 INFO L168 Benchmark]: Witness Printer took 68.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:35,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.05 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. * Boogie Preprocessor took 29.61 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 443.30 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: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7028.77 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 125.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -11.6 MB). Peak memory consumption was 350.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. SAFE Result, 6.9s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1973 SDtfs, 1325 SDslu, 7227 SDs, 0 SdLazy, 3190 SolverSat, 316 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 305 SyntacticMatches, 3 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=798occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1624 PreInvPairs, 1718 NumberOfFragments, 1555 HoareAnnotationTreeSize, 1624 FomulaSimplifications, 2549 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 64 FomulaSimplificationsInter, 6626 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1230 NumberOfCodeBlocks, 1230 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1217 ConstructedInterpolants, 0 QuantifiedInterpolants, 205657 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1710 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 106/110 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...