./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_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_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/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 229890f5f6e9af6d15d776f98b90421cce07d395 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:06:19,995 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:06:19,996 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:06:20,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:06:20,005 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:06:20,005 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:06:20,006 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:06:20,008 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:06:20,009 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:06:20,010 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:06:20,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:06:20,011 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:06:20,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:06:20,012 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:06:20,013 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:06:20,013 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:06:20,013 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:06:20,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:06:20,016 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:06:20,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:06:20,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:06:20,018 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:06:20,020 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:06:20,020 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:06:20,020 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:06:20,021 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:06:20,022 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:06:20,022 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:06:20,023 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:06:20,024 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:06:20,024 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:06:20,024 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:06:20,025 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:06:20,025 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:06:20,026 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:06:20,026 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:06:20,026 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 17:06:20,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:06:20,033 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:06:20,034 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:06:20,034 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:06:20,034 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:06:20,034 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 17:06:20,035 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:06:20,035 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:06:20,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:06:20,036 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:06:20,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:06:20,037 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_0d11c57f-4cf5-45d6-8d6c-64adab12be82/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 -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2018-11-18 17:06:20,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:06:20,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:06:20,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:06:20,071 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:06:20,071 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:06:20,071 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-18 17:06:20,109 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/data/d8d99ca81/50293be8abe7414f99f17456e1359108/FLAG8d2bad95d [2018-11-18 17:06:20,483 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:06:20,484 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-18 17:06:20,493 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/data/d8d99ca81/50293be8abe7414f99f17456e1359108/FLAG8d2bad95d [2018-11-18 17:06:20,874 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/data/d8d99ca81/50293be8abe7414f99f17456e1359108 [2018-11-18 17:06:20,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:06:20,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 17:06:20,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:06:20,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:06:20,880 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:06:20,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:06:20" (1/1) ... [2018-11-18 17:06:20,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbcdb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:20, skipping insertion in model container [2018-11-18 17:06:20,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:06:20" (1/1) ... [2018-11-18 17:06:20,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:06:20,918 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:06:21,107 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:06:21,114 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:06:21,208 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:06:21,224 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:06:21,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21 WrapperNode [2018-11-18 17:06:21,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:06:21,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:06:21,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:06:21,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:06:21,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21" (1/1) ... [2018-11-18 17:06:21,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21" (1/1) ... [2018-11-18 17:06:21,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21" (1/1) ... [2018-11-18 17:06:21,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21" (1/1) ... [2018-11-18 17:06:21,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21" (1/1) ... [2018-11-18 17:06:21,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21" (1/1) ... [2018-11-18 17:06:21,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21" (1/1) ... [2018-11-18 17:06:21,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:06:21,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:06:21,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:06:21,281 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:06:21,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/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 17:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 17:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:06:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:06:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 17:06:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 17:06:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 17:06:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 17:06:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 17:06:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 17:06:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 17:06:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:06:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:06:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:06:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 17:06:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 17:06:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:06:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 17:06:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:06:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:06:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 17:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 17:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 17:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 17:06:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 17:06:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:06:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 17:06:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 17:06:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 17:06:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 17:06:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 17:06:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 17:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 17:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 17:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 17:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 17:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:06:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 17:06:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:06:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:06:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 17:06:21,899 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:06:21,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:21 BoogieIcfgContainer [2018-11-18 17:06:21,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:06:21,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:06:21,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:06:21,903 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:06:21,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:06:20" (1/3) ... [2018-11-18 17:06:21,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20998043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:06:21, skipping insertion in model container [2018-11-18 17:06:21,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:21" (2/3) ... [2018-11-18 17:06:21,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20998043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:06:21, skipping insertion in model container [2018-11-18 17:06:21,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:21" (3/3) ... [2018-11-18 17:06:21,905 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-18 17:06:21,913 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:06:21,919 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:06:21,932 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:06:21,957 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:06:21,958 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:06:21,958 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:06:21,958 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:06:21,958 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:06:21,958 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:06:21,958 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:06:21,958 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:06:21,959 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:06:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-18 17:06:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:06:21,983 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:21,984 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] [2018-11-18 17:06:21,986 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:21,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:21,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1433427533, now seen corresponding path program 1 times [2018-11-18 17:06:21,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:06:21,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:06:22,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:22,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:22,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:22,205 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 17:06:22,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:22,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:06:22,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:06:22,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:06:22,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:06:22,224 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-18 17:06:22,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:22,250 INFO L93 Difference]: Finished difference Result 208 states and 257 transitions. [2018-11-18 17:06:22,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:06:22,251 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 17:06:22,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:22,258 INFO L225 Difference]: With dead ends: 208 [2018-11-18 17:06:22,259 INFO L226 Difference]: Without dead ends: 104 [2018-11-18 17:06:22,261 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 17:06:22,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-18 17:06:22,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-18 17:06:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 17:06:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2018-11-18 17:06:22,294 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 46 [2018-11-18 17:06:22,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:22,294 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2018-11-18 17:06:22,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:06:22,295 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2018-11-18 17:06:22,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:06:22,297 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:22,297 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] [2018-11-18 17:06:22,297 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:22,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:22,297 INFO L82 PathProgramCache]: Analyzing trace with hash -429187565, now seen corresponding path program 1 times [2018-11-18 17:06:22,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:06:22,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:06:22,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:22,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:22,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:22,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:22,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:06:22,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:06:22,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:06:22,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:06:22,390 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2018-11-18 17:06:22,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:22,406 INFO L93 Difference]: Finished difference Result 155 states and 177 transitions. [2018-11-18 17:06:22,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:06:22,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 17:06:22,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:22,408 INFO L225 Difference]: With dead ends: 155 [2018-11-18 17:06:22,408 INFO L226 Difference]: Without dead ends: 94 [2018-11-18 17:06:22,409 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 17:06:22,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-18 17:06:22,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-18 17:06:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-18 17:06:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2018-11-18 17:06:22,417 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 48 [2018-11-18 17:06:22,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:22,418 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2018-11-18 17:06:22,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:06:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2018-11-18 17:06:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 17:06:22,419 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:22,419 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] [2018-11-18 17:06:22,419 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:22,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:22,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1231828034, now seen corresponding path program 1 times [2018-11-18 17:06:22,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:06:22,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:06:22,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:22,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:22,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:22,544 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 17:06:22,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:22,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:06:22,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:06:22,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:06:22,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:06:22,545 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 7 states. [2018-11-18 17:06:22,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:22,810 INFO L93 Difference]: Finished difference Result 164 states and 191 transitions. [2018-11-18 17:06:22,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:06:22,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 17:06:22,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:22,812 INFO L225 Difference]: With dead ends: 164 [2018-11-18 17:06:22,812 INFO L226 Difference]: Without dead ends: 94 [2018-11-18 17:06:22,813 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 17:06:22,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-18 17:06:22,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-18 17:06:22,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-18 17:06:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2018-11-18 17:06:22,821 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 52 [2018-11-18 17:06:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:22,822 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2018-11-18 17:06:22,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:06:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2018-11-18 17:06:22,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 17:06:22,823 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:22,823 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] [2018-11-18 17:06:22,825 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:22,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:22,825 INFO L82 PathProgramCache]: Analyzing trace with hash 770819439, now seen corresponding path program 1 times [2018-11-18 17:06:22,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:06:22,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:06:22,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:22,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:22,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:22,984 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 17:06:22,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:22,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 17:06:22,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:06:22,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:06:22,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:06:22,985 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand 10 states. [2018-11-18 17:06:23,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:23,392 INFO L93 Difference]: Finished difference Result 284 states and 345 transitions. [2018-11-18 17:06:23,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 17:06:23,393 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-18 17:06:23,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:23,395 INFO L225 Difference]: With dead ends: 284 [2018-11-18 17:06:23,396 INFO L226 Difference]: Without dead ends: 214 [2018-11-18 17:06:23,396 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:06:23,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-11-18 17:06:23,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 210. [2018-11-18 17:06:23,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-18 17:06:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 246 transitions. [2018-11-18 17:06:23,426 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 246 transitions. Word has length 60 [2018-11-18 17:06:23,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:23,427 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 246 transitions. [2018-11-18 17:06:23,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:06:23,427 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 246 transitions. [2018-11-18 17:06:23,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 17:06:23,429 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:23,429 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] [2018-11-18 17:06:23,429 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:23,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:23,429 INFO L82 PathProgramCache]: Analyzing trace with hash -373365093, now seen corresponding path program 1 times [2018-11-18 17:06:23,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:06:23,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:06:23,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:23,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:23,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:23,492 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 17:06:23,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:23,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:06:23,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:06:23,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:06:23,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:06:23,493 INFO L87 Difference]: Start difference. First operand 210 states and 246 transitions. Second operand 3 states. [2018-11-18 17:06:23,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:23,505 INFO L93 Difference]: Finished difference Result 338 states and 406 transitions. [2018-11-18 17:06:23,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:06:23,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-18 17:06:23,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:23,506 INFO L225 Difference]: With dead ends: 338 [2018-11-18 17:06:23,507 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 17:06:23,508 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 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 17:06:23,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 17:06:23,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 17:06:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 17:06:23,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 170 transitions. [2018-11-18 17:06:23,519 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 170 transitions. Word has length 68 [2018-11-18 17:06:23,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:23,519 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 170 transitions. [2018-11-18 17:06:23,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:06:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 170 transitions. [2018-11-18 17:06:23,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 17:06:23,520 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:23,521 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:23,521 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:23,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:23,521 INFO L82 PathProgramCache]: Analyzing trace with hash 280615550, now seen corresponding path program 1 times [2018-11-18 17:06:23,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:06:23,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:06:23,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:23,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:23,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:06:23,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:06:23,613 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/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 17:06:23,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:23,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:06:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:06:23,808 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:06:23,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-18 17:06:23,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 17:06:23,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 17:06:23,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-18 17:06:23,810 INFO L87 Difference]: Start difference. First operand 152 states and 170 transitions. Second operand 12 states. [2018-11-18 17:06:24,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:24,234 INFO L93 Difference]: Finished difference Result 195 states and 219 transitions. [2018-11-18 17:06:24,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:06:24,235 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2018-11-18 17:06:24,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:24,235 INFO L225 Difference]: With dead ends: 195 [2018-11-18 17:06:24,235 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:06:24,236 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:06:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:06:24,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:06:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:06:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:06:24,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-18 17:06:24,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:24,237 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:06:24,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 17:06:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:06:24,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:06:24,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:06:24,952 INFO L425 ceAbstractionStarter]: For program point L225(lines 202 226) no Hoare annotation was computed. [2018-11-18 17:06:24,952 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2018-11-18 17:06:24,952 INFO L425 ceAbstractionStarter]: For program point L209(lines 209 213) no Hoare annotation was computed. [2018-11-18 17:06:24,952 INFO L425 ceAbstractionStarter]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2018-11-18 17:06:24,952 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-18 17:06:24,952 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 203 224) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point L203-3(lines 203 224) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point L260-3(lines 260 285) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point L261(line 261) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point L286(lines 259 287) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2018-11-18 17:06:24,953 INFO L425 ceAbstractionStarter]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2018-11-18 17:06:24,954 INFO L425 ceAbstractionStarter]: For program point L260-1(lines 260 285) no Hoare annotation was computed. [2018-11-18 17:06:24,954 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 850 856) the Hoare annotation is: true [2018-11-18 17:06:24,954 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 850 856) no Hoare annotation was computed. [2018-11-18 17:06:24,954 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 857 865) no Hoare annotation was computed. [2018-11-18 17:06:24,954 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 857 865) the Hoare annotation is: true [2018-11-18 17:06:24,954 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 857 865) no Hoare annotation was computed. [2018-11-18 17:06:24,954 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 797 821) the Hoare annotation is: true [2018-11-18 17:06:24,954 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 797 821) no Hoare annotation was computed. [2018-11-18 17:06:24,954 INFO L421 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 17:06:24,954 INFO L425 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2018-11-18 17:06:24,954 INFO L421 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 818) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point L805-1(lines 797 821) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L428 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L421 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,955 INFO L421 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,955 INFO L421 ceAbstractionStarter]: At program point L576-1(line 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,955 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 570 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 570 592) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 570 592) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L421 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,955 INFO L421 ceAbstractionStarter]: At program point L582-1(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point L580-1(lines 580 587) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 525 548) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-11-18 17:06:24,955 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 525 548) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 525 548) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2018-11-18 17:06:24,956 INFO L425 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 759 794) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 786) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point L778-2(lines 778 786) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 759 794) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 759 794) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 843 849) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 843 849) the Hoare annotation is: true [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 472) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point L459(lines 459 479) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 557 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 557 566) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 557 566) no Hoare annotation was computed. [2018-11-18 17:06:24,957 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2018-11-18 17:06:24,957 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L428 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: true [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point L744-1(line 744) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L421 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point L702(lines 702 719) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 698 722) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 698 722) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 17:06:24,958 INFO L421 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L421 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 17:06:24,958 INFO L421 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 714) no Hoare annotation was computed. [2018-11-18 17:06:24,958 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point L640(lines 640 644) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 594 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,959 INFO L421 ceAbstractionStarter]: At program point L640-2(lines 634 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point L605(lines 604 649) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point L634(lines 634 645) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 594 657) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L421 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 630) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L421 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,959 INFO L421 ceAbstractionStarter]: At program point L647(lines 604 649) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2018-11-18 17:06:24,959 INFO L425 ceAbstractionStarter]: For program point L604-1(lines 604 649) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L421 ceAbstractionStarter]: At program point L650(lines 603 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 594 657) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point L413(lines 413 433) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 426) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2018-11-18 17:06:24,960 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 324) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 395) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 351) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L345-1(lines 345 365) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L345-3(lines 345 365) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L366(lines 344 367) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L325(lines 325 341) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L385(lines 385 392) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L346(lines 345 365) no Hoare annotation was computed. [2018-11-18 17:06:24,961 INFO L425 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point L342(lines 342 383) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 833 842) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 833 842) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 833 842) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 723 730) no Hoare annotation was computed. [2018-11-18 17:06:24,962 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 723 730) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point activatePumpENTRY(lines 723 730) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-18 17:06:24,963 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-18 17:06:24,964 INFO L421 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 17:06:24,964 INFO L425 ceAbstractionStarter]: For program point L670(lines 669 688) no Hoare annotation was computed. [2018-11-18 17:06:24,964 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 17:06:24,964 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2018-11-18 17:06:24,964 INFO L421 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 17:06:24,964 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2018-11-18 17:06:24,964 INFO L421 ceAbstractionStarter]: At program point L677(lines 677 683) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 17:06:24,964 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2018-11-18 17:06:24,964 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2018-11-18 17:06:24,965 INFO L428 ceAbstractionStarter]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2018-11-18 17:06:24,965 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 504 518) no Hoare annotation was computed. [2018-11-18 17:06:24,965 INFO L428 ceAbstractionStarter]: At program point L504-3(lines 504 518) the Hoare annotation is: true [2018-11-18 17:06:24,965 INFO L428 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-11-18 17:06:24,965 INFO L425 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-18 17:06:24,965 INFO L428 ceAbstractionStarter]: At program point L519(lines 494 523) the Hoare annotation is: true [2018-11-18 17:06:24,965 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 17:06:24,965 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2018-11-18 17:06:24,965 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 17:06:24,965 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-18 17:06:24,965 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-18 17:06:24,965 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-18 17:06:24,965 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 549 555) no Hoare annotation was computed. [2018-11-18 17:06:24,966 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 549 555) the Hoare annotation is: true [2018-11-18 17:06:24,966 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:06:24,966 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-18 17:06:24,966 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:06:24,966 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:06:24,966 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-18 17:06:24,966 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-18 17:06:24,966 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 17:06:24,966 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2018-11-18 17:06:24,966 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 823 830) no Hoare annotation was computed. [2018-11-18 17:06:24,967 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 823 830) the Hoare annotation is: true [2018-11-18 17:06:24,967 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 823 830) no Hoare annotation was computed. [2018-11-18 17:06:24,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:06:24 BoogieIcfgContainer [2018-11-18 17:06:24,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:06:24,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:06:24,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:06:24,977 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:06:24,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:21" (3/4) ... [2018-11-18 17:06:24,981 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:06:24,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 17:06:24,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:06:24,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:06:24,987 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:06:24,993 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 17:06:24,993 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:06:24,993 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:06:25,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 17:06:25,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 17:06:25,051 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0d11c57f-4cf5-45d6-8d6c-64adab12be82/bin-2019/uautomizer/witness.graphml [2018-11-18 17:06:25,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:06:25,051 INFO L168 Benchmark]: Toolchain (without parser) took 4174.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -111.3 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:25,052 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:06:25,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:25,053 INFO L168 Benchmark]: Boogie Preprocessor took 56.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:25,053 INFO L168 Benchmark]: RCFGBuilder took 618.69 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: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:25,053 INFO L168 Benchmark]: TraceAbstraction took 3076.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -43.5 MB). Peak memory consumption was 180.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:25,054 INFO L168 Benchmark]: Witness Printer took 73.89 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:25,055 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 618.69 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: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3076.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -43.5 MB). Peak memory consumption was 180.4 MB. Max. memory is 11.5 GB. * Witness Printer took 73.89 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: 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: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 209 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 630 SDtfs, 479 SDslu, 1280 SDs, 0 SdLazy, 751 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 279 PreInvPairs, 292 NumberOfFragments, 694 HoareAnnotationTreeSize, 279 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 1053 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 467 ConstructedInterpolants, 0 QuantifiedInterpolants, 70203 SizeOfPredicates, 3 NumberOfNonLiveVariables, 639 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 58/64 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...