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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:04,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:04,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:04,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:04,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:04,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:04,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:04,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:04,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:04,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:04,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:04,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:04,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:04,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:04,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:04,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:04,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:04,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:05,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:05,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:05,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:05,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:05,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:05,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:05,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:05,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:05,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:05,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:05,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:05,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:05,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:05,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:05,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:05,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:05,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:05,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:05,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:05,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:05,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:05,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:05,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:05,037 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 [2019-10-07 15:17:05,072 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:05,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:05,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:05,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:05,077 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:05,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:05,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:05,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:05,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:05,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:05,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:05,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:05,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:05,079 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:05,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:05,081 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:05,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:05,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:05,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:05,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:05,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:05,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:05,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:05,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:05,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:05,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:05,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:05,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:05,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:17:05,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:05,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:05,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:05,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:05,452 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:05,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2019-10-07 15:17:05,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a15b6842/ebe2e98c6f754884b899cec100cfc61d/FLAG091e16a29 [2019-10-07 15:17:06,052 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:06,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2019-10-07 15:17:06,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a15b6842/ebe2e98c6f754884b899cec100cfc61d/FLAG091e16a29 [2019-10-07 15:17:06,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a15b6842/ebe2e98c6f754884b899cec100cfc61d [2019-10-07 15:17:06,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:06,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:06,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:06,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:06,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:06,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4709edc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06, skipping insertion in model container [2019-10-07 15:17:06,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,429 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:06,472 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:07,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:07,023 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:07,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:07,145 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:07,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07 WrapperNode [2019-10-07 15:17:07,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:07,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:07,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:07,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:07,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07" (1/1) ... [2019-10-07 15:17:07,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07" (1/1) ... [2019-10-07 15:17:07,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07" (1/1) ... [2019-10-07 15:17:07,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07" (1/1) ... [2019-10-07 15:17:07,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07" (1/1) ... [2019-10-07 15:17:07,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07" (1/1) ... [2019-10-07 15:17:07,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07" (1/1) ... [2019-10-07 15:17:07,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:07,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:07,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:07,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:07,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07" (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 [2019-10-07 15:17:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:17:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:17:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:17:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:17:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:09,038 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:09,039 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:09,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:09 BoogieIcfgContainer [2019-10-07 15:17:09,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:09,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:09,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:09,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:09,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:06" (1/3) ... [2019-10-07 15:17:09,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24162b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:09, skipping insertion in model container [2019-10-07 15:17:09,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:07" (2/3) ... [2019-10-07 15:17:09,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24162b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:09, skipping insertion in model container [2019-10-07 15:17:09,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:09" (3/3) ... [2019-10-07 15:17:09,051 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2019-10-07 15:17:09,063 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:09,074 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:09,088 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:09,120 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:09,121 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:09,121 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:09,121 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:09,121 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:09,121 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:09,121 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:09,122 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-10-07 15:17:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:09,169 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:09,170 INFO L385 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] [2019-10-07 15:17:09,175 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:09,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:09,183 INFO L82 PathProgramCache]: Analyzing trace with hash 523325292, now seen corresponding path program 1 times [2019-10-07 15:17:09,193 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:09,194 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,194 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,194 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:09,654 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,655 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:09,656 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:09,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:09,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:09,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:09,684 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2019-10-07 15:17:09,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:09,773 INFO L93 Difference]: Finished difference Result 240 states and 297 transitions. [2019-10-07 15:17:09,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:09,776 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:09,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:09,801 INFO L225 Difference]: With dead ends: 240 [2019-10-07 15:17:09,801 INFO L226 Difference]: Without dead ends: 122 [2019-10-07 15:17:09,813 INFO L606 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 [2019-10-07 15:17:09,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-10-07 15:17:09,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-10-07 15:17:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-10-07 15:17:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2019-10-07 15:17:09,897 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 46 [2019-10-07 15:17:09,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:09,898 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2019-10-07 15:17:09,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2019-10-07 15:17:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:09,909 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:09,909 INFO L385 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] [2019-10-07 15:17:09,909 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:09,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:09,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1295375424, now seen corresponding path program 1 times [2019-10-07 15:17:09,911 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:09,911 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,911 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,911 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:10,108 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:10,109 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:10,109 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:10,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:10,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:10,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:10,114 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand 3 states. [2019-10-07 15:17:10,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:10,143 INFO L93 Difference]: Finished difference Result 191 states and 225 transitions. [2019-10-07 15:17:10,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:10,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:10,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:10,146 INFO L225 Difference]: With dead ends: 191 [2019-10-07 15:17:10,147 INFO L226 Difference]: Without dead ends: 114 [2019-10-07 15:17:10,149 INFO L606 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 [2019-10-07 15:17:10,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-07 15:17:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-07 15:17:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-07 15:17:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-10-07 15:17:10,163 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 47 [2019-10-07 15:17:10,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:10,164 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-10-07 15:17:10,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:10,164 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-10-07 15:17:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:17:10,166 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:10,166 INFO L385 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] [2019-10-07 15:17:10,166 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:10,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:10,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1457560745, now seen corresponding path program 1 times [2019-10-07 15:17:10,167 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:10,167 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:10,168 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,168 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:10,332 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:10,333 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:10,333 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:10,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:10,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:10,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:10,334 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 7 states. [2019-10-07 15:17:10,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:10,781 INFO L93 Difference]: Finished difference Result 337 states and 408 transitions. [2019-10-07 15:17:10,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:10,782 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:17:10,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:10,788 INFO L225 Difference]: With dead ends: 337 [2019-10-07 15:17:10,788 INFO L226 Difference]: Without dead ends: 248 [2019-10-07 15:17:10,789 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:17:10,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-10-07 15:17:10,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 240. [2019-10-07 15:17:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2019-10-07 15:17:10,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 290 transitions. [2019-10-07 15:17:10,858 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 290 transitions. Word has length 50 [2019-10-07 15:17:10,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:10,860 INFO L462 AbstractCegarLoop]: Abstraction has 240 states and 290 transitions. [2019-10-07 15:17:10,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:10,861 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 290 transitions. [2019-10-07 15:17:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:17:10,867 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:10,867 INFO L385 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] [2019-10-07 15:17:10,870 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:10,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:10,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1301573423, now seen corresponding path program 1 times [2019-10-07 15:17:10,871 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:10,871 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:10,871 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,871 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:11,033 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,033 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:11,033 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:11,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:11,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:11,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:11,036 INFO L87 Difference]: Start difference. First operand 240 states and 290 transitions. Second operand 6 states. [2019-10-07 15:17:11,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:11,299 INFO L93 Difference]: Finished difference Result 652 states and 807 transitions. [2019-10-07 15:17:11,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:11,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-07 15:17:11,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:11,308 INFO L225 Difference]: With dead ends: 652 [2019-10-07 15:17:11,308 INFO L226 Difference]: Without dead ends: 437 [2019-10-07 15:17:11,312 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:17:11,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-10-07 15:17:11,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 425. [2019-10-07 15:17:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-07 15:17:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 517 transitions. [2019-10-07 15:17:11,402 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 517 transitions. Word has length 55 [2019-10-07 15:17:11,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:11,403 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 517 transitions. [2019-10-07 15:17:11,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 517 transitions. [2019-10-07 15:17:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:17:11,408 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:11,409 INFO L385 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] [2019-10-07 15:17:11,409 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:11,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:11,409 INFO L82 PathProgramCache]: Analyzing trace with hash 380462481, now seen corresponding path program 1 times [2019-10-07 15:17:11,410 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:11,410 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,410 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,410 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:11,525 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,525 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:11,525 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:11,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:11,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:11,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:11,526 INFO L87 Difference]: Start difference. First operand 425 states and 517 transitions. Second operand 7 states. [2019-10-07 15:17:12,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:12,147 INFO L93 Difference]: Finished difference Result 1135 states and 1492 transitions. [2019-10-07 15:17:12,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:12,148 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-07 15:17:12,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:12,155 INFO L225 Difference]: With dead ends: 1135 [2019-10-07 15:17:12,155 INFO L226 Difference]: Without dead ends: 735 [2019-10-07 15:17:12,158 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:17:12,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2019-10-07 15:17:12,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 648. [2019-10-07 15:17:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2019-10-07 15:17:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 780 transitions. [2019-10-07 15:17:12,241 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 780 transitions. Word has length 58 [2019-10-07 15:17:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:12,242 INFO L462 AbstractCegarLoop]: Abstraction has 648 states and 780 transitions. [2019-10-07 15:17:12,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:12,242 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 780 transitions. [2019-10-07 15:17:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-07 15:17:12,248 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:12,249 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:12,249 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:12,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:12,249 INFO L82 PathProgramCache]: Analyzing trace with hash 764634237, now seen corresponding path program 1 times [2019-10-07 15:17:12,250 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:12,250 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:12,250 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:12,250 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:12,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:12,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:17:12,475 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:12,475 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:12,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:12,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 15:17:12,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:12,788 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:12,911 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:17:12,911 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-07 15:17:12,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:12,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:12,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:12,913 INFO L87 Difference]: Start difference. First operand 648 states and 780 transitions. Second operand 3 states. [2019-10-07 15:17:12,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:12,971 INFO L93 Difference]: Finished difference Result 918 states and 1131 transitions. [2019-10-07 15:17:12,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:12,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-07 15:17:12,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:12,980 INFO L225 Difference]: With dead ends: 918 [2019-10-07 15:17:12,981 INFO L226 Difference]: Without dead ends: 915 [2019-10-07 15:17:12,981 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:12,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2019-10-07 15:17:13,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 887. [2019-10-07 15:17:13,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2019-10-07 15:17:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1094 transitions. [2019-10-07 15:17:13,065 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1094 transitions. Word has length 88 [2019-10-07 15:17:13,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:13,066 INFO L462 AbstractCegarLoop]: Abstraction has 887 states and 1094 transitions. [2019-10-07 15:17:13,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:13,066 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1094 transitions. [2019-10-07 15:17:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 15:17:13,072 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:13,072 INFO L385 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:13,278 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:13,278 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:13,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:13,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1846325126, now seen corresponding path program 1 times [2019-10-07 15:17:13,279 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:13,280 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:13,280 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:13,280 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:13,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:17:13,587 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:13,587 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:13,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:13,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 15:17:13,874 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:17:14,646 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:14,647 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-07 15:17:14,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:14,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:14,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:17:14,648 INFO L87 Difference]: Start difference. First operand 887 states and 1094 transitions. Second operand 11 states. [2019-10-07 15:17:15,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:15,588 INFO L93 Difference]: Finished difference Result 2024 states and 2588 transitions. [2019-10-07 15:17:15,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:15,589 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 140 [2019-10-07 15:17:15,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:15,596 INFO L225 Difference]: With dead ends: 2024 [2019-10-07 15:17:15,597 INFO L226 Difference]: Without dead ends: 1162 [2019-10-07 15:17:15,600 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:15,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2019-10-07 15:17:15,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1148. [2019-10-07 15:17:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1148 states. [2019-10-07 15:17:15,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1409 transitions. [2019-10-07 15:17:15,670 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1409 transitions. Word has length 140 [2019-10-07 15:17:15,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:15,671 INFO L462 AbstractCegarLoop]: Abstraction has 1148 states and 1409 transitions. [2019-10-07 15:17:15,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1409 transitions. [2019-10-07 15:17:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 15:17:15,677 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:15,677 INFO L385 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:15,882 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:15,882 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:15,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:15,883 INFO L82 PathProgramCache]: Analyzing trace with hash -2077008077, now seen corresponding path program 1 times [2019-10-07 15:17:15,883 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:15,883 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:15,884 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:15,884 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:15,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-10-07 15:17:16,173 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:16,173 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:16,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:16,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:16,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-07 15:17:16,657 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 15:17:17,410 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:17,410 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 32 [2019-10-07 15:17:17,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:17,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:17,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=885, Unknown=0, NotChecked=0, Total=992 [2019-10-07 15:17:17,413 INFO L87 Difference]: Start difference. First operand 1148 states and 1409 transitions. Second operand 11 states. [2019-10-07 15:17:18,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:18,294 INFO L93 Difference]: Finished difference Result 2477 states and 3096 transitions. [2019-10-07 15:17:18,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:18,296 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 186 [2019-10-07 15:17:18,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:18,298 INFO L225 Difference]: With dead ends: 2477 [2019-10-07 15:17:18,298 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:17:18,305 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2019-10-07 15:17:18,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:17:18,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:17:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:17:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:17:18,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2019-10-07 15:17:18,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:18,307 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:17:18,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:17:18,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:17:18,513 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:18,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:17:19,805 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2019-10-07 15:17:20,330 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 19 [2019-10-07 15:17:21,899 INFO L443 ceAbstractionStarter]: For program point L186(lines 163 187) no Hoare annotation was computed. [2019-10-07 15:17:21,900 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-10-07 15:17:21,900 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2019-10-07 15:17:21,900 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2019-10-07 15:17:21,900 INFO L443 ceAbstractionStarter]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2019-10-07 15:17:21,900 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2019-10-07 15:17:21,901 INFO L443 ceAbstractionStarter]: For program point L247(lines 220 248) no Hoare annotation was computed. [2019-10-07 15:17:21,901 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2019-10-07 15:17:21,901 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-10-07 15:17:21,901 INFO L443 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2019-10-07 15:17:21,901 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2019-10-07 15:17:21,901 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2019-10-07 15:17:21,901 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-07 15:17:21,902 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-07 15:17:21,902 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-07 15:17:21,902 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-07 15:17:21,902 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-07 15:17:21,902 INFO L439 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,902 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,903 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2019-10-07 15:17:21,903 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,903 INFO L439 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,903 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2019-10-07 15:17:21,903 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2019-10-07 15:17:21,903 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-07 15:17:21,903 INFO L439 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,904 INFO L439 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,904 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-07 15:17:21,904 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-07 15:17:21,904 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 529 552) no Hoare annotation was computed. [2019-10-07 15:17:21,904 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-10-07 15:17:21,904 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-07 15:17:21,904 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-07 15:17:21,904 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 529 552) no Hoare annotation was computed. [2019-10-07 15:17:21,905 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-10-07 15:17:21,905 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 529 552) no Hoare annotation was computed. [2019-10-07 15:17:21,905 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-07 15:17:21,905 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-07 15:17:21,905 INFO L443 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2019-10-07 15:17:21,905 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-07 15:17:21,905 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-07 15:17:21,905 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-07 15:17:21,906 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-07 15:17:21,906 INFO L443 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2019-10-07 15:17:21,906 INFO L443 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2019-10-07 15:17:21,906 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2019-10-07 15:17:21,906 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:21,906 INFO L439 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:21,906 INFO L443 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2019-10-07 15:17:21,907 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2019-10-07 15:17:21,907 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:21,907 INFO L439 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:21,907 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2019-10-07 15:17:21,907 INFO L439 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:21,907 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~systemActive~0)| 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) .cse0))) [2019-10-07 15:17:21,908 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2019-10-07 15:17:21,908 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2019-10-07 15:17:21,908 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~systemActive~0)| 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) .cse0) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:21,908 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2019-10-07 15:17:21,908 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2019-10-07 15:17:21,908 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-10-07 15:17:21,908 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2019-10-07 15:17:21,908 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2019-10-07 15:17:21,909 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-07 15:17:21,909 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-07 15:17:21,909 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-07 15:17:21,909 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2019-10-07 15:17:21,909 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2019-10-07 15:17:21,909 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2019-10-07 15:17:21,909 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2019-10-07 15:17:21,909 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,910 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2019-10-07 15:17:21,910 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2019-10-07 15:17:21,910 INFO L439 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,910 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2019-10-07 15:17:21,910 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2019-10-07 15:17:21,910 INFO L446 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2019-10-07 15:17:21,910 INFO L443 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2019-10-07 15:17:21,911 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:21,911 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2019-10-07 15:17:21,911 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2019-10-07 15:17:21,911 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2019-10-07 15:17:21,911 INFO L439 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-07 15:17:21,911 INFO L443 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2019-10-07 15:17:21,911 INFO L439 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:21,911 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-10-07 15:17:21,912 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2019-10-07 15:17:21,912 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2019-10-07 15:17:21,912 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:21,912 INFO L439 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:21,912 INFO L443 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2019-10-07 15:17:21,912 INFO L439 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-07 15:17:21,912 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2019-10-07 15:17:21,913 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2019-10-07 15:17:21,913 INFO L439 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,913 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,913 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2019-10-07 15:17:21,913 INFO L443 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2019-10-07 15:17:21,913 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2019-10-07 15:17:21,914 INFO L439 ceAbstractionStarter]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,914 INFO L439 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,914 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2019-10-07 15:17:21,914 INFO L439 ceAbstractionStarter]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,914 INFO L443 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2019-10-07 15:17:21,914 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2019-10-07 15:17:21,914 INFO L439 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,915 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-10-07 15:17:21,915 INFO L443 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2019-10-07 15:17:21,915 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2019-10-07 15:17:21,915 INFO L439 ceAbstractionStarter]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,915 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2019-10-07 15:17:21,915 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2019-10-07 15:17:21,915 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:21,915 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2019-10-07 15:17:21,915 INFO L439 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (and (not (= 0 ~pumpRunning~0)) (or (= ~systemActive~0 0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)))) [2019-10-07 15:17:21,915 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2019-10-07 15:17:21,915 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2019-10-07 15:17:21,916 INFO L439 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-07 15:17:21,916 INFO L443 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2019-10-07 15:17:21,916 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2019-10-07 15:17:21,916 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2019-10-07 15:17:21,916 INFO L439 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse4 .cse1) (or .cse4 .cse1 .cse2 .cse3))) [2019-10-07 15:17:21,916 INFO L443 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2019-10-07 15:17:21,916 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse4 .cse1) (or .cse4 .cse1 .cse2 .cse3))) [2019-10-07 15:17:21,916 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2019-10-07 15:17:21,916 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:21,916 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2019-10-07 15:17:21,916 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 647 669) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 647 669) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point L327(lines 305 328) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 302) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point L307(lines 306 326) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point L338(line 338) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2019-10-07 15:17:21,917 INFO L443 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2019-10-07 15:17:21,918 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 344) no Hoare annotation was computed. [2019-10-07 15:17:21,918 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-10-07 15:17:21,918 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:17:21,918 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,918 INFO L443 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2019-10-07 15:17:21,918 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2019-10-07 15:17:21,918 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:21,918 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2019-10-07 15:17:21,918 INFO L443 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2019-10-07 15:17:21,918 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:21,918 INFO L439 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= 0 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 activatePump_~tmp~7) (= ~pumpRunning~0 0)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:21,918 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 670 678) no Hoare annotation was computed. [2019-10-07 15:17:21,919 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 670 678) no Hoare annotation was computed. [2019-10-07 15:17:21,919 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2019-10-07 15:17:21,919 INFO L446 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2019-10-07 15:17:21,919 INFO L443 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2019-10-07 15:17:21,919 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2019-10-07 15:17:21,919 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,919 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,919 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or (not (= 0 ~pumpRunning~0)) .cse2)) (or .cse1 .cse0 (or (= ~systemActive~0 0) .cse2)))) [2019-10-07 15:17:21,920 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2019-10-07 15:17:21,920 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2019-10-07 15:17:21,920 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2019-10-07 15:17:21,920 INFO L443 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2019-10-07 15:17:21,920 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (= ~systemActive~0 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)) (or (and (= ~pumpRunning~0 0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:21,920 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2019-10-07 15:17:21,920 INFO L439 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~systemActive~0 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0))))) [2019-10-07 15:17:21,920 INFO L439 ceAbstractionStarter]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (and (= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0)) .cse4)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (= ~systemActive~0 0) (and .cse2 .cse4) .cse1 .cse3)))) [2019-10-07 15:17:21,920 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2019-10-07 15:17:21,921 INFO L439 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~systemActive~0 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0))))) [2019-10-07 15:17:21,921 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2019-10-07 15:17:21,921 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2019-10-07 15:17:21,921 INFO L446 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2019-10-07 15:17:21,921 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2019-10-07 15:17:21,921 INFO L446 ceAbstractionStarter]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2019-10-07 15:17:21,921 INFO L446 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2019-10-07 15:17:21,921 INFO L443 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2019-10-07 15:17:21,921 INFO L446 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2019-10-07 15:17:21,921 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-07 15:17:21,921 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: true [2019-10-07 15:17:21,921 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2019-10-07 15:17:21,922 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2019-10-07 15:17:21,922 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2019-10-07 15:17:21,922 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,922 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-07 15:17:21,922 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:17:21,922 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,922 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2019-10-07 15:17:21,922 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: true [2019-10-07 15:17:21,922 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:17:21,923 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:17:21,923 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:17:21,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:17:21 BoogieIcfgContainer [2019-10-07 15:17:21,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:17:21,940 INFO L168 Benchmark]: Toolchain (without parser) took 15526.16 ms. Allocated memory was 143.7 MB in the beginning and 466.6 MB in the end (delta: 323.0 MB). Free memory was 99.3 MB in the beginning and 141.4 MB in the end (delta: -42.1 MB). Peak memory consumption was 283.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,941 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 143.7 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.67 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.1 MB in the beginning and 166.1 MB in the end (delta: -67.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,943 INFO L168 Benchmark]: Boogie Preprocessor took 114.25 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 162.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,944 INFO L168 Benchmark]: RCFGBuilder took 1780.19 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 162.0 MB in the beginning and 142.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,945 INFO L168 Benchmark]: TraceAbstraction took 12896.00 ms. Allocated memory was 230.7 MB in the beginning and 466.6 MB in the end (delta: 235.9 MB). Free memory was 142.5 MB in the beginning and 141.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 239.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,950 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 ms. Allocated memory is still 143.7 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.67 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.1 MB in the beginning and 166.1 MB in the end (delta: -67.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.25 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 162.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1780.19 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 162.0 MB in the beginning and 142.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12896.00 ms. Allocated memory was 230.7 MB in the beginning and 466.6 MB in the end (delta: 235.9 MB). Free memory was 142.5 MB in the beginning and 141.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 239.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 917]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 194 locations, 1 error locations. Result: SAFE, OverallTime: 12.8s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, HoareTripleCheckerStatistics: 1182 SDtfs, 792 SDslu, 2897 SDs, 0 SdLazy, 1865 SolverSat, 188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 939 GetRequests, 838 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1148occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 149 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2183 PreInvPairs, 2332 NumberOfFragments, 1311 HoareAnnotationTreeSize, 2183 FomulaSimplifications, 3125 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 65 FomulaSimplificationsInter, 6270 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1084 NumberOfCodeBlocks, 1084 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1484 ConstructedInterpolants, 0 QuantifiedInterpolants, 313683 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2718 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 499/546 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...