./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:22:19,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:22:19,811 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:22:19,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:22:19,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:22:19,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:22:19,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:22:19,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:22:19,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:22:19,824 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:22:19,825 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:22:19,825 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:22:19,826 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:22:19,827 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:22:19,827 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:22:19,828 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:22:19,829 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:22:19,831 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:22:19,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:22:19,833 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:22:19,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:22:19,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:22:19,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:22:19,836 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:22:19,836 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:22:19,837 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:22:19,838 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:22:19,838 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:22:19,839 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:22:19,840 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:22:19,840 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:22:19,840 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:22:19,841 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:22:19,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:22:19,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:22:19,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:22:19,842 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 11:22:19,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:22:19,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:22:19,854 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:22:19,854 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 11:22:19,854 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:22:19,855 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:22:19,855 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:22:19,855 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:22:19,855 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:22:19,855 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:22:19,855 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:22:19,855 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:22:19,856 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:22:19,856 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:22:19,856 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:22:19,856 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:22:19,856 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:22:19,856 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:22:19,856 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:22:19,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:22:19,857 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:22:19,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:22:19,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:22:19,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:22:19,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:22:19,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:22:19,857 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:22:19,858 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:22:19,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:22:19,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:22:19,858 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_f1be5591-7e92-4a66-9dc6-993e61c3e31a/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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2018-11-18 11:22:19,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:22:19,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:22:19,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:22:19,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:22:19,898 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:22:19,899 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-11-18 11:22:19,946 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/data/cd0ef632f/8e4d86bb191c45b5936d92718b1a5941/FLAG902c4cbf5 [2018-11-18 11:22:20,322 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:22:20,323 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-11-18 11:22:20,332 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/data/cd0ef632f/8e4d86bb191c45b5936d92718b1a5941/FLAG902c4cbf5 [2018-11-18 11:22:20,707 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/data/cd0ef632f/8e4d86bb191c45b5936d92718b1a5941 [2018-11-18 11:22:20,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:22:20,711 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:22:20,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:20,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:22:20,714 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:22:20,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:20" (1/1) ... [2018-11-18 11:22:20,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bac6eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:20, skipping insertion in model container [2018-11-18 11:22:20,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:20" (1/1) ... [2018-11-18 11:22:20,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:22:20,756 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:22:20,948 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:20,957 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:22:21,049 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:21,069 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:22:21,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21 WrapperNode [2018-11-18 11:22:21,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:21,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:22:21,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:22:21,070 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:22:21,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21" (1/1) ... [2018-11-18 11:22:21,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21" (1/1) ... [2018-11-18 11:22:21,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21" (1/1) ... [2018-11-18 11:22:21,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21" (1/1) ... [2018-11-18 11:22:21,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21" (1/1) ... [2018-11-18 11:22:21,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21" (1/1) ... [2018-11-18 11:22:21,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21" (1/1) ... [2018-11-18 11:22:21,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:22:21,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:22:21,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:22:21,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:22:21,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/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 [2018-11-18 11:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 11:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 11:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 11:22:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 11:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 11:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 11:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 11:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 11:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:22:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 11:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 11:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:22:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 11:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 11:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:22:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 11:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 11:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 11:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:22:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:22:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:22:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 11:22:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 11:22:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 11:22:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 11:22:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 11:22:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 11:22:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:22:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 11:22:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:22:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 11:22:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 11:22:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:22:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 11:22:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 11:22:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:22:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 11:22:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 11:22:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 11:22:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:22:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:22:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:22:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 11:22:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:22:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:22:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 11:22:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:22:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:22:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:22:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:22:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:22:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:22:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:22:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:22:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:22:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 11:22:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:22:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:22:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 11:22:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:22:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 11:22:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:22:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:22:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:22:21,762 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:22:21,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:21 BoogieIcfgContainer [2018-11-18 11:22:21,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:22:21,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:22:21,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:22:21,765 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:22:21,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:22:20" (1/3) ... [2018-11-18 11:22:21,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638c112a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:22:21, skipping insertion in model container [2018-11-18 11:22:21,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:21" (2/3) ... [2018-11-18 11:22:21,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638c112a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:22:21, skipping insertion in model container [2018-11-18 11:22:21,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:21" (3/3) ... [2018-11-18 11:22:21,768 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-11-18 11:22:21,773 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:22:21,779 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:22:21,788 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:22:21,808 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:22:21,809 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:22:21,809 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:22:21,809 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:22:21,809 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:22:21,809 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:22:21,809 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:22:21,809 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:22:21,809 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:22:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2018-11-18 11:22:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:22:21,829 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:21,830 INFO L375 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] [2018-11-18 11:22:21,832 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:21,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:21,835 INFO L82 PathProgramCache]: Analyzing trace with hash -799610822, now seen corresponding path program 1 times [2018-11-18 11:22:21,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:21,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:21,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:21,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:21,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:22,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:22,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:22,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:22:22,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:22:22,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:22:22,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:22:22,041 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 2 states. [2018-11-18 11:22:22,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:22,069 INFO L93 Difference]: Finished difference Result 270 states and 337 transitions. [2018-11-18 11:22:22,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:22:22,070 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 11:22:22,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:22,078 INFO L225 Difference]: With dead ends: 270 [2018-11-18 11:22:22,079 INFO L226 Difference]: Without dead ends: 137 [2018-11-18 11:22:22,082 INFO L604 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 [2018-11-18 11:22:22,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-18 11:22:22,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-18 11:22:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-18 11:22:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 162 transitions. [2018-11-18 11:22:22,120 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 162 transitions. Word has length 51 [2018-11-18 11:22:22,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:22,120 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 162 transitions. [2018-11-18 11:22:22,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:22:22,121 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2018-11-18 11:22:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 11:22:22,123 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:22,124 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:22,124 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:22,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:22,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1770736524, now seen corresponding path program 1 times [2018-11-18 11:22:22,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:22,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:22,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:22,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:22,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:22,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:22,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:22:22,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:22:22,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:22:22,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:22:22,220 INFO L87 Difference]: Start difference. First operand 137 states and 162 transitions. Second operand 3 states. [2018-11-18 11:22:22,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:22,240 INFO L93 Difference]: Finished difference Result 217 states and 257 transitions. [2018-11-18 11:22:22,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:22:22,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 11:22:22,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:22,243 INFO L225 Difference]: With dead ends: 217 [2018-11-18 11:22:22,243 INFO L226 Difference]: Without dead ends: 127 [2018-11-18 11:22:22,244 INFO L604 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 [2018-11-18 11:22:22,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-18 11:22:22,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-18 11:22:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-18 11:22:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2018-11-18 11:22:22,256 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 53 [2018-11-18 11:22:22,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:22,257 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2018-11-18 11:22:22,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:22:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2018-11-18 11:22:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 11:22:22,259 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:22,259 INFO L375 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] [2018-11-18 11:22:22,259 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:22,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:22,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1539505060, now seen corresponding path program 1 times [2018-11-18 11:22:22,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:22,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:22,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:22,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:22,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:22,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:22,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:22:22,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:22:22,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:22:22,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:22:22,358 INFO L87 Difference]: Start difference. First operand 127 states and 149 transitions. Second operand 7 states. [2018-11-18 11:22:22,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:22,672 INFO L93 Difference]: Finished difference Result 226 states and 271 transitions. [2018-11-18 11:22:22,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:22:22,673 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 11:22:22,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:22,674 INFO L225 Difference]: With dead ends: 226 [2018-11-18 11:22:22,674 INFO L226 Difference]: Without dead ends: 127 [2018-11-18 11:22:22,675 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:22:22,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-18 11:22:22,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-18 11:22:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-18 11:22:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-11-18 11:22:22,687 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 57 [2018-11-18 11:22:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:22,688 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-11-18 11:22:22,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:22:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-11-18 11:22:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 11:22:22,690 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:22,690 INFO L375 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] [2018-11-18 11:22:22,690 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:22,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:22,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1112719809, now seen corresponding path program 1 times [2018-11-18 11:22:22,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:22,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:22,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:22,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:22,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:22,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:22,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:22:22,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:22:22,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:22:22,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:22:22,798 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 5 states. [2018-11-18 11:22:23,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:23,262 INFO L93 Difference]: Finished difference Result 331 states and 402 transitions. [2018-11-18 11:22:23,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:22:23,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-18 11:22:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:23,265 INFO L225 Difference]: With dead ends: 331 [2018-11-18 11:22:23,265 INFO L226 Difference]: Without dead ends: 232 [2018-11-18 11:22:23,266 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:22:23,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-11-18 11:22:23,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 213. [2018-11-18 11:22:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-18 11:22:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 245 transitions. [2018-11-18 11:22:23,287 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 245 transitions. Word has length 70 [2018-11-18 11:22:23,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:23,287 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 245 transitions. [2018-11-18 11:22:23,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:22:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 245 transitions. [2018-11-18 11:22:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 11:22:23,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:23,290 INFO L375 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] [2018-11-18 11:22:23,290 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:23,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:23,290 INFO L82 PathProgramCache]: Analyzing trace with hash 455146674, now seen corresponding path program 1 times [2018-11-18 11:22:23,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:23,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:23,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:23,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:23,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:23,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:23,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:23,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:22:23,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:22:23,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:22:23,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:22:23,396 INFO L87 Difference]: Start difference. First operand 213 states and 245 transitions. Second operand 6 states. [2018-11-18 11:22:23,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:23,589 INFO L93 Difference]: Finished difference Result 565 states and 671 transitions. [2018-11-18 11:22:23,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:22:23,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-18 11:22:23,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:23,595 INFO L225 Difference]: With dead ends: 565 [2018-11-18 11:22:23,595 INFO L226 Difference]: Without dead ends: 380 [2018-11-18 11:22:23,596 INFO L604 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 [2018-11-18 11:22:23,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-18 11:22:23,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2018-11-18 11:22:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-11-18 11:22:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 430 transitions. [2018-11-18 11:22:23,624 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 430 transitions. Word has length 84 [2018-11-18 11:22:23,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:23,624 INFO L480 AbstractCegarLoop]: Abstraction has 374 states and 430 transitions. [2018-11-18 11:22:23,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:22:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 430 transitions. [2018-11-18 11:22:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 11:22:23,626 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:23,626 INFO L375 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] [2018-11-18 11:22:23,626 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:23,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:23,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1352156330, now seen corresponding path program 1 times [2018-11-18 11:22:23,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:23,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:23,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:23,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:23,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:23,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:23,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:22:23,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:22:23,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:22:23,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:22:23,710 INFO L87 Difference]: Start difference. First operand 374 states and 430 transitions. Second operand 7 states. [2018-11-18 11:22:24,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:24,082 INFO L93 Difference]: Finished difference Result 751 states and 886 transitions. [2018-11-18 11:22:24,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 11:22:24,082 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-18 11:22:24,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:24,084 INFO L225 Difference]: With dead ends: 751 [2018-11-18 11:22:24,084 INFO L226 Difference]: Without dead ends: 405 [2018-11-18 11:22:24,085 INFO L604 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 [2018-11-18 11:22:24,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-11-18 11:22:24,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 373. [2018-11-18 11:22:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-18 11:22:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 427 transitions. [2018-11-18 11:22:24,105 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 427 transitions. Word has length 88 [2018-11-18 11:22:24,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:24,105 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 427 transitions. [2018-11-18 11:22:24,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:22:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 427 transitions. [2018-11-18 11:22:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 11:22:24,107 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:24,108 INFO L375 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] [2018-11-18 11:22:24,108 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:24,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:24,108 INFO L82 PathProgramCache]: Analyzing trace with hash 351750334, now seen corresponding path program 1 times [2018-11-18 11:22:24,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:24,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:24,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:24,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:24,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:22:24,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:24,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:22:24,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:22:24,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:22:24,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:22:24,183 INFO L87 Difference]: Start difference. First operand 373 states and 427 transitions. Second operand 6 states. [2018-11-18 11:22:24,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:24,212 INFO L93 Difference]: Finished difference Result 732 states and 858 transitions. [2018-11-18 11:22:24,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:22:24,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-18 11:22:24,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:24,215 INFO L225 Difference]: With dead ends: 732 [2018-11-18 11:22:24,215 INFO L226 Difference]: Without dead ends: 387 [2018-11-18 11:22:24,216 INFO L604 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 [2018-11-18 11:22:24,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-18 11:22:24,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-18 11:22:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 11:22:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 437 transitions. [2018-11-18 11:22:24,230 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 437 transitions. Word has length 104 [2018-11-18 11:22:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:24,230 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 437 transitions. [2018-11-18 11:22:24,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:22:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 437 transitions. [2018-11-18 11:22:24,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 11:22:24,232 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:24,232 INFO L375 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] [2018-11-18 11:22:24,232 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:24,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:24,232 INFO L82 PathProgramCache]: Analyzing trace with hash -2014944260, now seen corresponding path program 1 times [2018-11-18 11:22:24,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:24,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:24,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:24,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:24,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:22:24,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:24,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 11:22:24,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:22:24,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:22:24,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:22:24,314 INFO L87 Difference]: Start difference. First operand 383 states and 437 transitions. Second operand 8 states. [2018-11-18 11:22:24,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:24,342 INFO L93 Difference]: Finished difference Result 752 states and 880 transitions. [2018-11-18 11:22:24,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:22:24,344 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-18 11:22:24,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:24,345 INFO L225 Difference]: With dead ends: 752 [2018-11-18 11:22:24,345 INFO L226 Difference]: Without dead ends: 397 [2018-11-18 11:22:24,346 INFO L604 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 [2018-11-18 11:22:24,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-11-18 11:22:24,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2018-11-18 11:22:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-11-18 11:22:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 445 transitions. [2018-11-18 11:22:24,364 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 445 transitions. Word has length 104 [2018-11-18 11:22:24,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:24,364 INFO L480 AbstractCegarLoop]: Abstraction has 391 states and 445 transitions. [2018-11-18 11:22:24,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:22:24,364 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 445 transitions. [2018-11-18 11:22:24,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 11:22:24,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:24,367 INFO L375 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] [2018-11-18 11:22:24,367 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:24,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:24,367 INFO L82 PathProgramCache]: Analyzing trace with hash 2039482907, now seen corresponding path program 1 times [2018-11-18 11:22:24,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:24,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:24,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:24,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:24,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:22:24,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:24,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:22:24,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:22:24,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:22:24,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:22:24,432 INFO L87 Difference]: Start difference. First operand 391 states and 445 transitions. Second operand 4 states. [2018-11-18 11:22:24,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:24,578 INFO L93 Difference]: Finished difference Result 1146 states and 1374 transitions. [2018-11-18 11:22:24,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:22:24,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-18 11:22:24,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:24,582 INFO L225 Difference]: With dead ends: 1146 [2018-11-18 11:22:24,582 INFO L226 Difference]: Without dead ends: 783 [2018-11-18 11:22:24,583 INFO L604 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 [2018-11-18 11:22:24,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-11-18 11:22:24,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 768. [2018-11-18 11:22:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2018-11-18 11:22:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 901 transitions. [2018-11-18 11:22:24,608 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 901 transitions. Word has length 104 [2018-11-18 11:22:24,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:24,609 INFO L480 AbstractCegarLoop]: Abstraction has 768 states and 901 transitions. [2018-11-18 11:22:24,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:22:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 901 transitions. [2018-11-18 11:22:24,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 11:22:24,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:24,611 INFO L375 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] [2018-11-18 11:22:24,611 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:24,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:24,611 INFO L82 PathProgramCache]: Analyzing trace with hash 739094721, now seen corresponding path program 1 times [2018-11-18 11:22:24,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:24,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:24,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:24,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:24,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:22:24,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:22:24,711 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/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 [2018-11-18 11:22:24,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:24,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:22:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:25,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:22:25,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 11:22:25,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 11:22:25,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 11:22:25,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:22:25,012 INFO L87 Difference]: Start difference. First operand 768 states and 901 transitions. Second operand 19 states. [2018-11-18 11:22:25,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:25,983 INFO L93 Difference]: Finished difference Result 1477 states and 1753 transitions. [2018-11-18 11:22:25,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 11:22:25,984 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-18 11:22:25,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:25,986 INFO L225 Difference]: With dead ends: 1477 [2018-11-18 11:22:25,986 INFO L226 Difference]: Without dead ends: 737 [2018-11-18 11:22:25,988 INFO L604 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 [2018-11-18 11:22:25,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2018-11-18 11:22:26,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 737. [2018-11-18 11:22:26,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2018-11-18 11:22:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 850 transitions. [2018-11-18 11:22:26,015 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 850 transitions. Word has length 108 [2018-11-18 11:22:26,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:26,015 INFO L480 AbstractCegarLoop]: Abstraction has 737 states and 850 transitions. [2018-11-18 11:22:26,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 11:22:26,016 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 850 transitions. [2018-11-18 11:22:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 11:22:26,018 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:26,019 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:26,019 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:26,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:26,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1902758011, now seen corresponding path program 1 times [2018-11-18 11:22:26,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:26,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:26,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:26,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:26,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:22:26,092 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:22:26,092 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/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 [2018-11-18 11:22:26,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:26,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:22:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:22:26,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:22:26,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-18 11:22:26,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:22:26,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:22:26,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:22:26,277 INFO L87 Difference]: Start difference. First operand 737 states and 850 transitions. Second operand 6 states. [2018-11-18 11:22:26,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:26,773 INFO L93 Difference]: Finished difference Result 1599 states and 1936 transitions. [2018-11-18 11:22:26,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:22:26,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 11:22:26,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:26,776 INFO L225 Difference]: With dead ends: 1599 [2018-11-18 11:22:26,776 INFO L226 Difference]: Without dead ends: 1012 [2018-11-18 11:22:26,778 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:22:26,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2018-11-18 11:22:26,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 912. [2018-11-18 11:22:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2018-11-18 11:22:26,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1069 transitions. [2018-11-18 11:22:26,820 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1069 transitions. Word has length 164 [2018-11-18 11:22:26,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:26,821 INFO L480 AbstractCegarLoop]: Abstraction has 912 states and 1069 transitions. [2018-11-18 11:22:26,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:22:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1069 transitions. [2018-11-18 11:22:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:22:26,823 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:26,823 INFO L375 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] [2018-11-18 11:22:26,824 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:26,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:26,824 INFO L82 PathProgramCache]: Analyzing trace with hash -831464609, now seen corresponding path program 1 times [2018-11-18 11:22:26,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:26,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:26,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:26,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:26,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:22:26,967 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:22:26,967 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:22:26,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:27,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:22:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:22:27,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:22:27,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 11:22:27,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 11:22:27,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 11:22:27,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:22:27,187 INFO L87 Difference]: Start difference. First operand 912 states and 1069 transitions. Second operand 19 states. [2018-11-18 11:22:28,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:28,218 INFO L93 Difference]: Finished difference Result 1554 states and 1853 transitions. [2018-11-18 11:22:28,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 11:22:28,219 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 160 [2018-11-18 11:22:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:28,220 INFO L225 Difference]: With dead ends: 1554 [2018-11-18 11:22:28,220 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:22:28,223 INFO L604 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 [2018-11-18 11:22:28,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:22:28,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:22:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:22:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:22:28,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-11-18 11:22:28,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:28,225 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:22:28,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 11:22:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:22:28,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:22:28,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:22:28,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:28,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:22:29,036 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 117 138) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L117-3(lines 117 138) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 199) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point L174-3(lines 174 199) no Hoare annotation was computed. [2018-11-18 11:22:30,209 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2018-11-18 11:22:30,210 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 11:22:30,210 INFO L425 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2018-11-18 11:22:30,210 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2018-11-18 11:22:30,210 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:22:30,210 INFO L425 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2018-11-18 11:22:30,210 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2018-11-18 11:22:30,210 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2018-11-18 11:22:30,210 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2018-11-18 11:22:30,210 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2018-11-18 11:22:30,210 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2018-11-18 11:22:30,210 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,210 INFO L421 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,211 INFO L421 ceAbstractionStarter]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,211 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 514) no Hoare annotation was computed. [2018-11-18 11:22:30,211 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2018-11-18 11:22:30,211 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 11:22:30,211 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2018-11-18 11:22:30,211 INFO L421 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,211 INFO L421 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,211 INFO L421 ceAbstractionStarter]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,211 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2018-11-18 11:22:30,211 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2018-11-18 11:22:30,211 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2018-11-18 11:22:30,211 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2018-11-18 11:22:30,211 INFO L425 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 11:22:30,212 INFO L421 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-11-18 11:22:30,213 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2018-11-18 11:22:30,213 INFO L421 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-18 11:22:30,213 INFO L425 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-11-18 11:22:30,213 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2018-11-18 11:22:30,213 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 11:22:30,213 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2018-11-18 11:22:30,213 INFO L421 ceAbstractionStarter]: At program point L583(line 583) 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))) [2018-11-18 11:22:30,213 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2018-11-18 11:22:30,213 INFO L421 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2) (or .cse0 .cse1 .cse2))) [2018-11-18 11:22:30,213 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point L698-1(line 698) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 668 703) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 668 703) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 668 703) no Hoare annotation was computed. [2018-11-18 11:22:30,214 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,215 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2018-11-18 11:22:30,215 INFO L421 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,216 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2018-11-18 11:22:30,216 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2018-11-18 11:22:30,216 INFO L428 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2018-11-18 11:22:30,216 INFO L425 ceAbstractionStarter]: For program point L653-1(line 653) no Hoare annotation was computed. [2018-11-18 11:22:30,216 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2018-11-18 11:22:30,216 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2018-11-18 11:22:30,216 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-18 11:22:30,216 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2018-11-18 11:22:30,216 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2018-11-18 11:22:30,216 INFO L425 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-11-18 11:22:30,216 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2018-11-18 11:22:30,216 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2018-11-18 11:22:30,216 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2018-11-18 11:22:30,217 INFO L421 ceAbstractionStarter]: At program point L609(line 609) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-18 11:22:30,217 INFO L425 ceAbstractionStarter]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2018-11-18 11:22:30,217 INFO L421 ceAbstractionStarter]: At program point L604(line 604) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-18 11:22:30,217 INFO L421 ceAbstractionStarter]: At program point L600(line 600) 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 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 11:22:30,217 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2018-11-18 11:22:30,217 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 606) no Hoare annotation was computed. [2018-11-18 11:22:30,217 INFO L421 ceAbstractionStarter]: At program point L596(line 596) 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))) [2018-11-18 11:22:30,217 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse1 (= |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))) [2018-11-18 11:22:30,217 INFO L425 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2018-11-18 11:22:30,217 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2018-11-18 11:22:30,218 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2018-11-18 11:22:30,218 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2018-11-18 11:22:30,218 INFO L421 ceAbstractionStarter]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 11:22:30,218 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,218 INFO L425 ceAbstractionStarter]: For program point L735(lines 734 779) no Hoare annotation was computed. [2018-11-18 11:22:30,218 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 775) no Hoare annotation was computed. [2018-11-18 11:22:30,218 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2018-11-18 11:22:30,218 INFO L421 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 11:22:30,218 INFO L425 ceAbstractionStarter]: For program point L754(lines 754 760) no Hoare annotation was computed. [2018-11-18 11:22:30,218 INFO L425 ceAbstractionStarter]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2018-11-18 11:22:30,218 INFO L421 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0))) [2018-11-18 11:22:30,219 INFO L421 ceAbstractionStarter]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point L744(lines 744 750) no Hoare annotation was computed. [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point L734-1(lines 734 779) no Hoare annotation was computed. [2018-11-18 11:22:30,219 INFO L421 ceAbstractionStarter]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point L770(lines 770 774) no Hoare annotation was computed. [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2018-11-18 11:22:30,219 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2018-11-18 11:22:30,220 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-11-18 11:22:30,220 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2018-11-18 11:22:30,220 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:22:30,220 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2018-11-18 11:22:30,220 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2018-11-18 11:22:30,220 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: true [2018-11-18 11:22:30,220 INFO L421 ceAbstractionStarter]: At program point L943(line 943) 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))))) [2018-11-18 11:22:30,220 INFO L425 ceAbstractionStarter]: For program point L941(lines 941 947) no Hoare annotation was computed. [2018-11-18 11:22:30,220 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 950) no Hoare annotation was computed. [2018-11-18 11:22:30,220 INFO L421 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 11:22:30,220 INFO L425 ceAbstractionStarter]: For program point L938-1(line 938) no Hoare annotation was computed. [2018-11-18 11:22:30,220 INFO L425 ceAbstractionStarter]: For program point L936(lines 936 953) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L428 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: true [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point L845(lines 845 853) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point L845-2(lines 845 853) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 837 859) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 837 859) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 837 859) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2018-11-18 11:22:30,221 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L259-1(lines 259 279) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L259-3(lines 259 279) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2018-11-18 11:22:30,222 INFO L425 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2018-11-18 11:22:30,223 INFO L425 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2018-11-18 11:22:30,223 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2018-11-18 11:22:30,223 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2018-11-18 11:22:30,223 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2018-11-18 11:22:30,223 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:22:30,223 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:22:30,223 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:22:30,223 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2018-11-18 11:22:30,223 INFO L421 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:22:30,223 INFO L425 ceAbstractionStarter]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2018-11-18 11:22:30,223 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:22:30,223 INFO L425 ceAbstractionStarter]: For program point L630(lines 630 636) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L421 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L428 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 860 868) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 860 868) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 860 868) no Hoare annotation was computed. [2018-11-18 11:22:30,224 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:22:30,225 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 11:22:30,225 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:22:30,225 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-18 11:22:30,225 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2018-11-18 11:22:30,225 INFO L425 ceAbstractionStarter]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2018-11-18 11:22:30,225 INFO L421 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3)) (.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse3))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-18 11:22:30,225 INFO L421 ceAbstractionStarter]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (<= 2 ~waterLevel~0) .cse0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse0 .cse2) (let ((.cse3 (= 0 ~pumpRunning~0))) (or (and .cse3 .cse0) (not (= ~methaneLevelCritical~0 1)) (and (not (= |old(~pumpRunning~0)| 0)) .cse3) .cse1)))) [2018-11-18 11:22:30,225 INFO L421 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 11:22:30,225 INFO L425 ceAbstractionStarter]: For program point L536(lines 535 554) no Hoare annotation was computed. [2018-11-18 11:22:30,226 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 11:22:30,226 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2018-11-18 11:22:30,226 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2018-11-18 11:22:30,226 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2018-11-18 11:22:30,226 INFO L428 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2018-11-18 11:22:30,226 INFO L425 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2018-11-18 11:22:30,226 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 11:22:30,226 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2018-11-18 11:22:30,226 INFO L425 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2018-11-18 11:22:30,226 INFO L428 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2018-11-18 11:22:30,226 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 427 441) no Hoare annotation was computed. [2018-11-18 11:22:30,226 INFO L428 ceAbstractionStarter]: At program point L427-3(lines 427 441) the Hoare annotation is: true [2018-11-18 11:22:30,226 INFO L428 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-18 11:22:30,226 INFO L425 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-18 11:22:30,227 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2018-11-18 11:22:30,227 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2018-11-18 11:22:30,227 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2018-11-18 11:22:30,227 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 11:22:30,227 INFO L425 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2018-11-18 11:22:30,227 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2018-11-18 11:22:30,227 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2018-11-18 11:22:30,227 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2018-11-18 11:22:30,227 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:22:30,227 INFO L421 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)) [2018-11-18 11:22:30,227 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:22:30,227 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:22:30,228 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2018-11-18 11:22:30,228 INFO L425 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2018-11-18 11:22:30,228 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 11:22:30,228 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-11-18 11:22:30,228 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-11-18 11:22:30,228 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-11-18 11:22:30,228 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-11-18 11:22:30,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:22:30 BoogieIcfgContainer [2018-11-18 11:22:30,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:22:30,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:22:30,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:22:30,239 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:22:30,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:21" (3/4) ... [2018-11-18 11:22:30,243 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:22:30,248 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 11:22:30,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 11:22:30,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 11:22:30,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 11:22:30,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 11:22:30,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 11:22:30,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:22:30,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:22:30,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:22:30,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:22:30,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:22:30,251 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:22:30,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:22:30,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:22:30,252 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:22:30,262 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 11:22:30,263 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:22:30,263 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:22:30,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-18 11:22:30,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:22:30,326 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f1be5591-7e92-4a66-9dc6-993e61c3e31a/bin-2019/uautomizer/witness.graphml [2018-11-18 11:22:30,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:22:30,326 INFO L168 Benchmark]: Toolchain (without parser) took 9616.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 408.9 MB). Free memory was 956.4 MB in the beginning and 976.8 MB in the end (delta: -20.3 MB). Peak memory consumption was 388.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:30,327 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-18 11:22:30,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:30,327 INFO L168 Benchmark]: Boogie Preprocessor took 48.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:30,328 INFO L168 Benchmark]: RCFGBuilder took 644.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:30,328 INFO L168 Benchmark]: TraceAbstraction took 8475.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.1 MB). Free memory was 1.0 GB in the beginning and 988.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 392.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:30,328 INFO L168 Benchmark]: Witness Printer took 86.89 ms. Allocated memory is still 1.4 GB. Free memory was 988.6 MB in the beginning and 976.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:30,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 357.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 644.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8475.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.1 MB). Free memory was 1.0 GB in the beginning and 988.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 392.6 MB. Max. memory is 11.5 GB. * Witness Printer took 86.89 ms. Allocated memory is still 1.4 GB. Free memory was 988.6 MB in the beginning and 976.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 734]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 242 locations, 1 error locations. SAFE Result, 8.4s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2165 SDtfs, 1496 SDslu, 7312 SDs, 0 SdLazy, 3550 SolverSat, 429 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 469 SyntacticMatches, 4 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=912occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 182 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2017 PreInvPairs, 2138 NumberOfFragments, 1309 HoareAnnotationTreeSize, 2017 FomulaSimplifications, 5352 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 11032 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1579 NumberOfCodeBlocks, 1579 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1564 ConstructedInterpolants, 0 QuantifiedInterpolants, 287470 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2327 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 211/219 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...