java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:15,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:15,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:15,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:15,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:15,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:15,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:15,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:15,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:15,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:15,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:15,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:15,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:15,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:15,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:15,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:15,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:15,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:15,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:15,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:15,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:15,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:15,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:15,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:15,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:15,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:15,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:15,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:15,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:15,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:15,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:15,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:15,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:15,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:15,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:15,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:15,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:15,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:15,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:15,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:15,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:15,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:21:16,019 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:16,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:16,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:16,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:16,022 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:16,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:16,023 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:16,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:16,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:16,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:16,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:16,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:16,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:16,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:16,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:16,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:16,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:16,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:16,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:16,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:16,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:16,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:16,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:16,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:16,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:16,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:16,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:16,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:16,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:21:16,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:16,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:16,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:16,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:16,325 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:16,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2019-10-15 01:21:16,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad29443a/044cee1c4d9943269b5c827641aeaf36/FLAG5b891ed83 [2019-10-15 01:21:17,022 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:17,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2019-10-15 01:21:17,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad29443a/044cee1c4d9943269b5c827641aeaf36/FLAG5b891ed83 [2019-10-15 01:21:17,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad29443a/044cee1c4d9943269b5c827641aeaf36 [2019-10-15 01:21:17,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:17,236 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:17,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:17,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:17,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:17,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:17" (1/1) ... [2019-10-15 01:21:17,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ac78c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17, skipping insertion in model container [2019-10-15 01:21:17,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:17" (1/1) ... [2019-10-15 01:21:17,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:17,312 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:17,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:17,749 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:17,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:17,866 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:17,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17 WrapperNode [2019-10-15 01:21:17,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:17,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:17,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:17,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:17,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17" (1/1) ... [2019-10-15 01:21:17,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17" (1/1) ... [2019-10-15 01:21:17,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17" (1/1) ... [2019-10-15 01:21:17,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17" (1/1) ... [2019-10-15 01:21:17,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17" (1/1) ... [2019-10-15 01:21:17,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17" (1/1) ... [2019-10-15 01:21:17,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17" (1/1) ... [2019-10-15 01:21:17,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:17,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:17,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:17,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:17,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-10-15 01:21:18,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:18,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:18,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:19,335 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:19,337 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:19,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:19 BoogieIcfgContainer [2019-10-15 01:21:19,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:19,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:19,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:19,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:19,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:17" (1/3) ... [2019-10-15 01:21:19,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7938be12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:19, skipping insertion in model container [2019-10-15 01:21:19,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:17" (2/3) ... [2019-10-15 01:21:19,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7938be12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:19, skipping insertion in model container [2019-10-15 01:21:19,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:19" (3/3) ... [2019-10-15 01:21:19,350 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2019-10-15 01:21:19,360 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:19,370 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:19,380 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:19,415 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:19,415 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:19,415 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:19,415 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:19,416 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:19,416 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:19,416 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:19,416 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-10-15 01:21:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:19,450 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:19,451 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:19,453 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:19,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:19,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1661019057, now seen corresponding path program 1 times [2019-10-15 01:21:19,471 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:19,472 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345664487] [2019-10-15 01:21:19,472 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:19,472 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:19,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:19,900 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345664487] [2019-10-15 01:21:19,901 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:19,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:19,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364990230] [2019-10-15 01:21:19,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:19,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:19,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:19,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:19,927 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2019-10-15 01:21:19,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:19,993 INFO L93 Difference]: Finished difference Result 186 states and 233 transitions. [2019-10-15 01:21:19,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:19,999 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:20,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:20,015 INFO L225 Difference]: With dead ends: 186 [2019-10-15 01:21:20,016 INFO L226 Difference]: Without dead ends: 95 [2019-10-15 01:21:20,025 INFO L600 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 [2019-10-15 01:21:20,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-15 01:21:20,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-15 01:21:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-15 01:21:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2019-10-15 01:21:20,122 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 59 [2019-10-15 01:21:20,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:20,123 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2019-10-15 01:21:20,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2019-10-15 01:21:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:21:20,127 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:20,127 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:20,128 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:20,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:20,128 INFO L82 PathProgramCache]: Analyzing trace with hash 828652057, now seen corresponding path program 1 times [2019-10-15 01:21:20,129 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:20,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800276138] [2019-10-15 01:21:20,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:20,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:20,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:20,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800276138] [2019-10-15 01:21:20,297 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:20,297 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:20,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676017958] [2019-10-15 01:21:20,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:20,300 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:20,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:20,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:20,301 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2019-10-15 01:21:20,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:20,334 INFO L93 Difference]: Finished difference Result 131 states and 151 transitions. [2019-10-15 01:21:20,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:20,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:21:20,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:20,337 INFO L225 Difference]: With dead ends: 131 [2019-10-15 01:21:20,337 INFO L226 Difference]: Without dead ends: 86 [2019-10-15 01:21:20,338 INFO L600 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 [2019-10-15 01:21:20,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-15 01:21:20,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-10-15 01:21:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-10-15 01:21:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2019-10-15 01:21:20,350 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 60 [2019-10-15 01:21:20,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:20,350 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2019-10-15 01:21:20,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2019-10-15 01:21:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 01:21:20,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:20,352 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:20,353 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:20,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:20,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1426566225, now seen corresponding path program 1 times [2019-10-15 01:21:20,354 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:20,354 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575303810] [2019-10-15 01:21:20,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:20,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:20,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:20,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575303810] [2019-10-15 01:21:20,547 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:20,547 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:20,548 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305454712] [2019-10-15 01:21:20,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:20,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:20,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:20,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:20,549 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 7 states. [2019-10-15 01:21:20,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:20,872 INFO L93 Difference]: Finished difference Result 144 states and 169 transitions. [2019-10-15 01:21:20,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:20,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-15 01:21:20,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:20,875 INFO L225 Difference]: With dead ends: 144 [2019-10-15 01:21:20,878 INFO L226 Difference]: Without dead ends: 86 [2019-10-15 01:21:20,879 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:20,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-15 01:21:20,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-10-15 01:21:20,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-10-15 01:21:20,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2019-10-15 01:21:20,901 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 65 [2019-10-15 01:21:20,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:20,910 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2019-10-15 01:21:20,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2019-10-15 01:21:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-15 01:21:20,913 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:20,913 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:20,913 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:20,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:20,914 INFO L82 PathProgramCache]: Analyzing trace with hash -116553072, now seen corresponding path program 1 times [2019-10-15 01:21:20,917 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:20,917 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53841212] [2019-10-15 01:21:20,917 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:20,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:20,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:21,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53841212] [2019-10-15 01:21:21,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:21,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:21:21,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143815366] [2019-10-15 01:21:21,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:21:21,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:21,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:21:21,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:21:21,138 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 6 states. [2019-10-15 01:21:21,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:21,310 INFO L93 Difference]: Finished difference Result 138 states and 161 transitions. [2019-10-15 01:21:21,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:21,311 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-10-15 01:21:21,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:21,312 INFO L225 Difference]: With dead ends: 138 [2019-10-15 01:21:21,312 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:21,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:21:21,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:21,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:21,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-10-15 01:21:21,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:21,315 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:21,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:21:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:21,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:21,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:21,711 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:21:21,712 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:21:21,712 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-15 01:21:21,712 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-15 01:21:21,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:21:21,712 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-15 01:21:21,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:21:21,713 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:21:21,713 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 01:21:21,713 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-15 01:21:21,713 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:21:21,713 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:21:21,713 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:21:21,713 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-15 01:21:21,714 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:21:21,714 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-15 01:21:21,714 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:21:21,714 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-15 01:21:21,714 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 765 771) the Hoare annotation is: true [2019-10-15 01:21:21,715 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 765 771) no Hoare annotation was computed. [2019-10-15 01:21:21,715 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 772 780) no Hoare annotation was computed. [2019-10-15 01:21:21,715 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 772 780) the Hoare annotation is: true [2019-10-15 01:21:21,715 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 772 780) no Hoare annotation was computed. [2019-10-15 01:21:21,715 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 696 703) the Hoare annotation is: true [2019-10-15 01:21:21,715 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 696 703) no Hoare annotation was computed. [2019-10-15 01:21:21,715 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 696 703) no Hoare annotation was computed. [2019-10-15 01:21:21,716 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 704 713) the Hoare annotation is: true [2019-10-15 01:21:21,716 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 704 713) no Hoare annotation was computed. [2019-10-15 01:21:21,716 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 704 713) no Hoare annotation was computed. [2019-10-15 01:21:21,716 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-10-15 01:21:21,716 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-15 01:21:21,717 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 733) no Hoare annotation was computed. [2019-10-15 01:21:21,717 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 736) no Hoare annotation was computed. [2019-10-15 01:21:21,717 INFO L446 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: true [2019-10-15 01:21:21,717 INFO L443 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2019-10-15 01:21:21,717 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2019-10-15 01:21:21,717 INFO L443 ceAbstractionStarter]: For program point L722-1(lines 714 742) no Hoare annotation was computed. [2019-10-15 01:21:21,718 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 714 742) the Hoare annotation is: true [2019-10-15 01:21:21,718 INFO L446 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: true [2019-10-15 01:21:21,718 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-15 01:21:21,718 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 714 742) no Hoare annotation was computed. [2019-10-15 01:21:21,718 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 872) no Hoare annotation was computed. [2019-10-15 01:21:21,718 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 865 872) no Hoare annotation was computed. [2019-10-15 01:21:21,719 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-15 01:21:21,719 INFO L439 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 01:21:21,719 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 855 877) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 01:21:21,719 INFO L439 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 01:21:21,719 INFO L439 ceAbstractionStarter]: At program point L861-1(line 861) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 01:21:21,720 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 855 877) no Hoare annotation was computed. [2019-10-15 01:21:21,720 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 855 877) no Hoare annotation was computed. [2019-10-15 01:21:21,720 INFO L439 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-15 01:21:21,720 INFO L439 ceAbstractionStarter]: At program point L867-1(line 867) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-15 01:21:21,720 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2019-10-15 01:21:21,720 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-10-15 01:21:21,721 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-15 01:21:21,721 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-15 01:21:21,721 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 813 836) no Hoare annotation was computed. [2019-10-15 01:21:21,721 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-15 01:21:21,721 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2019-10-15 01:21:21,721 INFO L443 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-10-15 01:21:21,722 INFO L443 ceAbstractionStarter]: For program point L826(line 826) no Hoare annotation was computed. [2019-10-15 01:21:21,722 INFO L443 ceAbstractionStarter]: For program point L825(line 825) no Hoare annotation was computed. [2019-10-15 01:21:21,722 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-15 01:21:21,722 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-15 01:21:21,722 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-15 01:21:21,722 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-15 01:21:21,722 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-15 01:21:21,723 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-15 01:21:21,723 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-15 01:21:21,723 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 564 572) no Hoare annotation was computed. [2019-10-15 01:21:21,723 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 564 572) the Hoare annotation is: true [2019-10-15 01:21:21,723 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 564 572) no Hoare annotation was computed. [2019-10-15 01:21:21,723 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-10-15 01:21:21,723 INFO L443 ceAbstractionStarter]: For program point L603-1(line 603) no Hoare annotation was computed. [2019-10-15 01:21:21,724 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2019-10-15 01:21:21,724 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 573 608) no Hoare annotation was computed. [2019-10-15 01:21:21,724 INFO L443 ceAbstractionStarter]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2019-10-15 01:21:21,724 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 573 608) no Hoare annotation was computed. [2019-10-15 01:21:21,724 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 588) no Hoare annotation was computed. [2019-10-15 01:21:21,724 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 573 608) no Hoare annotation was computed. [2019-10-15 01:21:21,724 INFO L443 ceAbstractionStarter]: For program point L580-2(lines 580 588) no Hoare annotation was computed. [2019-10-15 01:21:21,725 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 758 764) no Hoare annotation was computed. [2019-10-15 01:21:21,725 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 758 764) the Hoare annotation is: true [2019-10-15 01:21:21,725 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:21:21,725 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:21:21,725 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:21:21,725 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-15 01:21:21,725 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:21:21,726 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:21:21,726 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:21:21,726 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:21:21,726 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:21:21,726 INFO L439 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 01:21:21,726 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 844 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 01:21:21,727 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 844 854) no Hoare annotation was computed. [2019-10-15 01:21:21,727 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 844 854) no Hoare annotation was computed. [2019-10-15 01:21:21,727 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 553 563) no Hoare annotation was computed. [2019-10-15 01:21:21,727 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-10-15 01:21:21,727 INFO L443 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2019-10-15 01:21:21,727 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 553 563) no Hoare annotation was computed. [2019-10-15 01:21:21,727 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 553 563) no Hoare annotation was computed. [2019-10-15 01:21:21,728 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 545 552) no Hoare annotation was computed. [2019-10-15 01:21:21,728 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 545 552) no Hoare annotation was computed. [2019-10-15 01:21:21,728 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 545 552) no Hoare annotation was computed. [2019-10-15 01:21:21,728 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 530 536) no Hoare annotation was computed. [2019-10-15 01:21:21,728 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 530 536) the Hoare annotation is: true [2019-10-15 01:21:21,729 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 619 684) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 01:21:21,729 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-10-15 01:21:21,729 INFO L439 ceAbstractionStarter]: At program point L667-2(lines 659 672) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 01:21:21,729 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 619 684) no Hoare annotation was computed. [2019-10-15 01:21:21,729 INFO L443 ceAbstractionStarter]: For program point L630(lines 629 676) no Hoare annotation was computed. [2019-10-15 01:21:21,729 INFO L439 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 01:21:21,730 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 672) no Hoare annotation was computed. [2019-10-15 01:21:21,730 INFO L439 ceAbstractionStarter]: At program point L651(line 651) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 01:21:21,730 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 655) no Hoare annotation was computed. [2019-10-15 01:21:21,730 INFO L443 ceAbstractionStarter]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2019-10-15 01:21:21,730 INFO L439 ceAbstractionStarter]: At program point L674(lines 629 676) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 01:21:21,731 INFO L439 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 01:21:21,731 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 645) no Hoare annotation was computed. [2019-10-15 01:21:21,731 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2019-10-15 01:21:21,731 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 635) no Hoare annotation was computed. [2019-10-15 01:21:21,731 INFO L439 ceAbstractionStarter]: At program point L677(lines 628 678) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-15 01:21:21,731 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 619 684) no Hoare annotation was computed. [2019-10-15 01:21:21,731 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:21:21,732 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:21:21,732 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:21:21,732 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-15 01:21:21,732 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:21:21,732 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:21:21,732 INFO L443 ceAbstractionStarter]: For program point L467-2(lines 467 475) no Hoare annotation was computed. [2019-10-15 01:21:21,733 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2019-10-15 01:21:21,733 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2019-10-15 01:21:21,733 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 459 481) no Hoare annotation was computed. [2019-10-15 01:21:21,733 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 475) no Hoare annotation was computed. [2019-10-15 01:21:21,733 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-15 01:21:21,733 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:21:21,733 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 01:21:21,734 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-15 01:21:21,734 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:21:21,734 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-15 01:21:21,734 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:21:21,734 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-15 01:21:21,734 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:21:21,734 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:21:21,735 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:21:21,735 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-15 01:21:21,735 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-15 01:21:21,735 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:21:21,735 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-15 01:21:21,735 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-15 01:21:21,735 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 748 757) no Hoare annotation was computed. [2019-10-15 01:21:21,735 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 748 757) no Hoare annotation was computed. [2019-10-15 01:21:21,736 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 748 757) no Hoare annotation was computed. [2019-10-15 01:21:21,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:21,736 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:21,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:21,736 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 537 544) no Hoare annotation was computed. [2019-10-15 01:21:21,736 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 537 544) no Hoare annotation was computed. [2019-10-15 01:21:21,736 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 537 544) no Hoare annotation was computed. [2019-10-15 01:21:21,737 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 482 490) the Hoare annotation is: true [2019-10-15 01:21:21,737 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 482 490) no Hoare annotation was computed. [2019-10-15 01:21:21,737 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2019-10-15 01:21:21,737 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:21,737 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:21,737 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:21,737 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: true [2019-10-15 01:21:21,738 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2019-10-15 01:21:21,738 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2019-10-15 01:21:21,738 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 450 458) no Hoare annotation was computed. [2019-10-15 01:21:21,738 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2019-10-15 01:21:21,738 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2019-10-15 01:21:21,738 INFO L439 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-15 01:21:21,738 INFO L443 ceAbstractionStarter]: For program point L510(lines 506 528) no Hoare annotation was computed. [2019-10-15 01:21:21,739 INFO L443 ceAbstractionStarter]: For program point L508(lines 506 528) no Hoare annotation was computed. [2019-10-15 01:21:21,739 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: true [2019-10-15 01:21:21,739 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2019-10-15 01:21:21,739 INFO L446 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: true [2019-10-15 01:21:21,739 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2019-10-15 01:21:21,739 INFO L446 ceAbstractionStarter]: At program point L517(lines 517 523) the Hoare annotation is: true [2019-10-15 01:21:21,739 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2019-10-15 01:21:21,740 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 801) no Hoare annotation was computed. [2019-10-15 01:21:21,740 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 783 812) the Hoare annotation is: true [2019-10-15 01:21:21,740 INFO L446 ceAbstractionStarter]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2019-10-15 01:21:21,740 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-15 01:21:21,740 INFO L446 ceAbstractionStarter]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2019-10-15 01:21:21,740 INFO L446 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2019-10-15 01:21:21,741 INFO L443 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2019-10-15 01:21:21,741 INFO L446 ceAbstractionStarter]: At program point L808(lines 783 812) the Hoare annotation is: true [2019-10-15 01:21:21,741 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-15 01:21:21,741 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2019-10-15 01:21:21,741 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2019-10-15 01:21:21,741 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2019-10-15 01:21:21,741 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2019-10-15 01:21:21,742 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2019-10-15 01:21:21,742 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:21,742 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-15 01:21:21,742 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:21,742 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:21,742 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 609 616) no Hoare annotation was computed. [2019-10-15 01:21:21,743 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 609 616) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 01:21:21,743 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 609 616) no Hoare annotation was computed. [2019-10-15 01:21:21,743 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2019-10-15 01:21:21,743 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2019-10-15 01:21:21,743 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: true [2019-10-15 01:21:21,743 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 686 693) no Hoare annotation was computed. [2019-10-15 01:21:21,743 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 686 693) the Hoare annotation is: true [2019-10-15 01:21:21,744 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2019-10-15 01:21:21,744 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 686 693) no Hoare annotation was computed. [2019-10-15 01:21:21,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:21 BoogieIcfgContainer [2019-10-15 01:21:21,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:21,776 INFO L168 Benchmark]: Toolchain (without parser) took 4537.85 ms. Allocated memory was 138.9 MB in the beginning and 245.4 MB in the end (delta: 106.4 MB). Free memory was 103.2 MB in the beginning and 117.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:21,777 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:21,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.18 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 103.0 MB in the beginning and 172.1 MB in the end (delta: -69.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:21,781 INFO L168 Benchmark]: Boogie Preprocessor took 99.56 ms. Allocated memory is still 203.9 MB. Free memory was 172.1 MB in the beginning and 165.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:21,783 INFO L168 Benchmark]: RCFGBuilder took 1371.76 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 199.4 MB in the end (delta: -33.5 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:21,784 INFO L168 Benchmark]: TraceAbstraction took 2430.94 ms. Allocated memory was 236.5 MB in the beginning and 245.4 MB in the end (delta: 8.9 MB). Free memory was 198.0 MB in the beginning and 117.1 MB in the end (delta: 80.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:21,796 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 630.18 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 103.0 MB in the beginning and 172.1 MB in the end (delta: -69.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.56 ms. Allocated memory is still 203.9 MB. Free memory was 172.1 MB in the beginning and 165.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1371.76 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 199.4 MB in the end (delta: -33.5 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2430.94 ms. Allocated memory was 236.5 MB in the beginning and 245.4 MB in the end (delta: 8.9 MB). Free memory was 198.0 MB in the beginning and 117.1 MB in the end (delta: 80.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: 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: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || (1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 208 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 396 SDtfs, 191 SDslu, 494 SDs, 0 SdLazy, 140 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 130 PreInvPairs, 138 NumberOfFragments, 268 HoareAnnotationTreeSize, 130 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 308 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 25622 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...