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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:17,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:17,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:17,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:17,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:17,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:17,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:17,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:17,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:17,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:17,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:17,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:17,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:17,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:17,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:17,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:17,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:17,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:17,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:17,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:17,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:18,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:18,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:18,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:18,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:18,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:18,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:18,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:18,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:18,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:18,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:18,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:18,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:18,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:18,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:18,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:18,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:18,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:18,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:18,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:18,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:18,026 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 15:17:18,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:18,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:18,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:18,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:18,054 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:18,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:18,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:18,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:18,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:18,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:18,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:18,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:18,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:18,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:18,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:18,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:18,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:18,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:18,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:18,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:18,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:18,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:18,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:18,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:18,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:18,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:18,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:18,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:18,061 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 15:17:18,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:18,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:18,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:18,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:18,367 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:18,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2019-10-07 15:17:18,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/271f72531/6303566bb86745c084b5595b30a68ab8/FLAG6466d8f7b [2019-10-07 15:17:18,987 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:18,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2019-10-07 15:17:19,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/271f72531/6303566bb86745c084b5595b30a68ab8/FLAG6466d8f7b [2019-10-07 15:17:19,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/271f72531/6303566bb86745c084b5595b30a68ab8 [2019-10-07 15:17:19,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:19,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:19,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:19,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:19,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:19,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:19" (1/1) ... [2019-10-07 15:17:19,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e42e2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19, skipping insertion in model container [2019-10-07 15:17:19,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:19" (1/1) ... [2019-10-07 15:17:19,290 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:19,343 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:19,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:19,851 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:19,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:19,987 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:19,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19 WrapperNode [2019-10-07 15:17:19,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:19,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:19,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:19,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:20,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19" (1/1) ... [2019-10-07 15:17:20,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19" (1/1) ... [2019-10-07 15:17:20,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19" (1/1) ... [2019-10-07 15:17:20,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19" (1/1) ... [2019-10-07 15:17:20,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19" (1/1) ... [2019-10-07 15:17:20,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19" (1/1) ... [2019-10-07 15:17:20,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19" (1/1) ... [2019-10-07 15:17:20,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:20,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:20,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:20,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:20,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19" (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 15:17:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:20,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:20,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:20,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:20,150 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:17:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:20,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:20,154 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:20,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:20,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:20,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:20,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:20,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:17:20,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:20,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:20,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:20,156 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:20,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:20,156 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:20,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:20,157 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:20,157 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:17:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:20,160 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:17:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:17:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:17:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:21,934 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:21,934 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:21,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:21 BoogieIcfgContainer [2019-10-07 15:17:21,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:21,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:21,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:21,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:21,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:19" (1/3) ... [2019-10-07 15:17:21,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19dcb993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:21, skipping insertion in model container [2019-10-07 15:17:21,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:19" (2/3) ... [2019-10-07 15:17:21,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19dcb993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:21, skipping insertion in model container [2019-10-07 15:17:21,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:21" (3/3) ... [2019-10-07 15:17:21,948 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2019-10-07 15:17:21,959 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:21,970 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:21,982 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:22,023 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:22,023 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:22,023 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:22,023 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:22,024 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:22,024 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:22,024 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:22,025 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-07 15:17:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:22,072 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:22,074 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 15:17:22,078 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:22,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:22,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1076284320, now seen corresponding path program 1 times [2019-10-07 15:17:22,096 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:22,097 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:22,097 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:22,098 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:22,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:22,486 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 15:17:22,487 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:22,487 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:22,488 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:22,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:22,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:22,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:22,510 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2019-10-07 15:17:22,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:22,590 INFO L93 Difference]: Finished difference Result 244 states and 297 transitions. [2019-10-07 15:17:22,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:22,592 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:22,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:22,604 INFO L225 Difference]: With dead ends: 244 [2019-10-07 15:17:22,605 INFO L226 Difference]: Without dead ends: 124 [2019-10-07 15:17:22,609 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 15:17:22,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-07 15:17:22,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-10-07 15:17:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-10-07 15:17:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2019-10-07 15:17:22,671 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 46 [2019-10-07 15:17:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:22,672 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2019-10-07 15:17:22,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2019-10-07 15:17:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:22,676 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:22,676 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 15:17:22,677 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:22,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:22,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1947643723, now seen corresponding path program 1 times [2019-10-07 15:17:22,678 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:22,678 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:22,678 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:22,678 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:22,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:22,821 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 15:17:22,822 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:22,822 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:22,822 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:22,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:22,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:22,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:22,827 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 3 states. [2019-10-07 15:17:22,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:22,874 INFO L93 Difference]: Finished difference Result 202 states and 236 transitions. [2019-10-07 15:17:22,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:22,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:22,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:22,880 INFO L225 Difference]: With dead ends: 202 [2019-10-07 15:17:22,880 INFO L226 Difference]: Without dead ends: 116 [2019-10-07 15:17:22,885 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 15:17:22,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-07 15:17:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-10-07 15:17:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-07 15:17:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2019-10-07 15:17:22,911 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 47 [2019-10-07 15:17:22,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:22,912 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2019-10-07 15:17:22,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2019-10-07 15:17:22,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 15:17:22,919 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:22,919 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] [2019-10-07 15:17:22,919 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:22,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:22,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1437531105, now seen corresponding path program 1 times [2019-10-07 15:17:22,920 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:22,950 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:22,950 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:22,951 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:22,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:23,093 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 15:17:23,093 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:23,094 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:23,094 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:23,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:23,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:23,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:23,095 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand 7 states. [2019-10-07 15:17:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:23,449 INFO L93 Difference]: Finished difference Result 207 states and 242 transitions. [2019-10-07 15:17:23,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:17:23,452 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-10-07 15:17:23,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:23,455 INFO L225 Difference]: With dead ends: 207 [2019-10-07 15:17:23,456 INFO L226 Difference]: Without dead ends: 116 [2019-10-07 15:17:23,457 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:17:23,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-07 15:17:23,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-10-07 15:17:23,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-07 15:17:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2019-10-07 15:17:23,483 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 49 [2019-10-07 15:17:23,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:23,484 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2019-10-07 15:17:23,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2019-10-07 15:17:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-07 15:17:23,494 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:23,494 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] [2019-10-07 15:17:23,494 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:23,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:23,495 INFO L82 PathProgramCache]: Analyzing trace with hash 660716325, now seen corresponding path program 1 times [2019-10-07 15:17:23,495 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:23,495 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:23,496 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:23,496 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:23,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:23,668 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 15:17:23,669 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:23,673 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:23,674 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:17:23,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:17:23,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:17:23,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:17:23,675 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand 5 states. [2019-10-07 15:17:24,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:24,219 INFO L93 Difference]: Finished difference Result 299 states and 356 transitions. [2019-10-07 15:17:24,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:24,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-10-07 15:17:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:24,222 INFO L225 Difference]: With dead ends: 299 [2019-10-07 15:17:24,222 INFO L226 Difference]: Without dead ends: 208 [2019-10-07 15:17:24,223 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:24,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-10-07 15:17:24,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 193. [2019-10-07 15:17:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-10-07 15:17:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 214 transitions. [2019-10-07 15:17:24,247 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 214 transitions. Word has length 66 [2019-10-07 15:17:24,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:24,248 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 214 transitions. [2019-10-07 15:17:24,248 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:17:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 214 transitions. [2019-10-07 15:17:24,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 15:17:24,249 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:24,249 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:24,249 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:24,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:24,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1827941742, now seen corresponding path program 1 times [2019-10-07 15:17:24,250 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:24,250 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:24,250 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:24,251 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:24,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:24,333 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 15:17:24,333 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:24,333 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:24,333 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:24,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:24,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:24,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:24,335 INFO L87 Difference]: Start difference. First operand 193 states and 214 transitions. Second operand 6 states. [2019-10-07 15:17:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:24,545 INFO L93 Difference]: Finished difference Result 512 states and 583 transitions. [2019-10-07 15:17:24,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:24,546 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2019-10-07 15:17:24,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:24,555 INFO L225 Difference]: With dead ends: 512 [2019-10-07 15:17:24,555 INFO L226 Difference]: Without dead ends: 344 [2019-10-07 15:17:24,558 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 15:17:24,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2019-10-07 15:17:24,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 334. [2019-10-07 15:17:24,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-10-07 15:17:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 368 transitions. [2019-10-07 15:17:24,620 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 368 transitions. Word has length 76 [2019-10-07 15:17:24,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:24,620 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 368 transitions. [2019-10-07 15:17:24,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 368 transitions. [2019-10-07 15:17:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 15:17:24,622 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:24,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:24,623 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:24,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:24,623 INFO L82 PathProgramCache]: Analyzing trace with hash 632256530, now seen corresponding path program 1 times [2019-10-07 15:17:24,624 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:24,624 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:24,624 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:24,624 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:24,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:24,731 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 15:17:24,732 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:24,732 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:24,732 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:24,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:24,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:24,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:24,733 INFO L87 Difference]: Start difference. First operand 334 states and 368 transitions. Second operand 3 states. [2019-10-07 15:17:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:24,788 INFO L93 Difference]: Finished difference Result 502 states and 577 transitions. [2019-10-07 15:17:24,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:24,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-10-07 15:17:24,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:24,792 INFO L225 Difference]: With dead ends: 502 [2019-10-07 15:17:24,793 INFO L226 Difference]: Without dead ends: 499 [2019-10-07 15:17:24,793 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 15:17:24,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-10-07 15:17:24,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2019-10-07 15:17:24,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2019-10-07 15:17:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 572 transitions. [2019-10-07 15:17:24,859 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 572 transitions. Word has length 79 [2019-10-07 15:17:24,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:24,860 INFO L462 AbstractCegarLoop]: Abstraction has 499 states and 572 transitions. [2019-10-07 15:17:24,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:24,860 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 572 transitions. [2019-10-07 15:17:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 15:17:24,863 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:24,863 INFO L385 BasicCegarLoop]: trace histogram [3, 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 15:17:24,864 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:24,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:24,864 INFO L82 PathProgramCache]: Analyzing trace with hash -2133285260, now seen corresponding path program 1 times [2019-10-07 15:17:24,864 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:24,865 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:24,865 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:24,865 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:24,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 15:17:25,103 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:25,103 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:25,104 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 15:17:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:25,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:17:25,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:17:25,426 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:17:25,726 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:17:25,726 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [14] total 19 [2019-10-07 15:17:25,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:25,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:25,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:17:25,728 INFO L87 Difference]: Start difference. First operand 499 states and 572 transitions. Second operand 7 states. [2019-10-07 15:17:26,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:26,048 INFO L93 Difference]: Finished difference Result 816 states and 950 transitions. [2019-10-07 15:17:26,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:26,050 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 125 [2019-10-07 15:17:26,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:26,055 INFO L225 Difference]: With dead ends: 816 [2019-10-07 15:17:26,056 INFO L226 Difference]: Without dead ends: 483 [2019-10-07 15:17:26,058 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2019-10-07 15:17:26,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-10-07 15:17:26,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 464. [2019-10-07 15:17:26,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-10-07 15:17:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 519 transitions. [2019-10-07 15:17:26,105 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 519 transitions. Word has length 125 [2019-10-07 15:17:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:26,112 INFO L462 AbstractCegarLoop]: Abstraction has 464 states and 519 transitions. [2019-10-07 15:17:26,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 519 transitions. [2019-10-07 15:17:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 15:17:26,117 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:26,118 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-07 15:17:26,324 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:26,325 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:26,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:26,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1208385522, now seen corresponding path program 1 times [2019-10-07 15:17:26,326 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:26,326 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:26,327 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:26,327 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:26,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:17:26,570 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:26,571 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:26,571 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 15:17:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:26,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 15:17:26,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:26,843 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-07 15:17:27,172 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:27,173 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14, 3] total 15 [2019-10-07 15:17:27,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:27,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:27,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:27,174 INFO L87 Difference]: Start difference. First operand 464 states and 519 transitions. Second operand 3 states. [2019-10-07 15:17:27,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:27,248 INFO L93 Difference]: Finished difference Result 853 states and 957 transitions. [2019-10-07 15:17:27,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:27,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-07 15:17:27,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:27,252 INFO L225 Difference]: With dead ends: 853 [2019-10-07 15:17:27,252 INFO L226 Difference]: Without dead ends: 414 [2019-10-07 15:17:27,254 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 266 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:27,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-10-07 15:17:27,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2019-10-07 15:17:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-07 15:17:27,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 452 transitions. [2019-10-07 15:17:27,277 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 452 transitions. Word has length 132 [2019-10-07 15:17:27,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:27,278 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 452 transitions. [2019-10-07 15:17:27,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 452 transitions. [2019-10-07 15:17:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-07 15:17:27,280 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:27,281 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 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 15:17:27,486 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:27,487 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:27,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:27,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1902225114, now seen corresponding path program 1 times [2019-10-07 15:17:27,488 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:27,488 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:27,488 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:27,488 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:17:27,811 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:27,812 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:27,812 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 15:17:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:28,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:28,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 15:17:28,261 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-07 15:17:28,768 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:28,768 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-07 15:17:28,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:28,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:28,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:28,772 INFO L87 Difference]: Start difference. First operand 414 states and 452 transitions. Second operand 11 states. [2019-10-07 15:17:29,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:29,444 INFO L93 Difference]: Finished difference Result 901 states and 1009 transitions. [2019-10-07 15:17:29,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:17:29,445 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 144 [2019-10-07 15:17:29,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:29,446 INFO L225 Difference]: With dead ends: 901 [2019-10-07 15:17:29,446 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:17:29,449 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:17:29,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:17:29,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:17:29,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:17:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:17:29,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2019-10-07 15:17:29,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:29,450 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:17:29,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:29,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:17:29,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:17:29,656 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:29,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:17:30,184 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 21 [2019-10-07 15:17:30,747 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-07 15:17:32,092 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2019-10-07 15:17:32,497 INFO L443 ceAbstractionStarter]: For program point L195-2(lines 195 216) no Hoare annotation was computed. [2019-10-07 15:17:32,497 INFO L443 ceAbstractionStarter]: For program point L217(lines 194 218) no Hoare annotation was computed. [2019-10-07 15:17:32,497 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-10-07 15:17:32,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 170 225) no Hoare annotation was computed. [2019-10-07 15:17:32,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 170 225) no Hoare annotation was computed. [2019-10-07 15:17:32,497 INFO L443 ceAbstractionStarter]: For program point L252-2(lines 252 277) no Hoare annotation was computed. [2019-10-07 15:17:32,497 INFO L443 ceAbstractionStarter]: For program point L278(lines 251 279) no Hoare annotation was computed. [2019-10-07 15:17:32,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 226 285) no Hoare annotation was computed. [2019-10-07 15:17:32,497 INFO L443 ceAbstractionStarter]: For program point L271(line 271) no Hoare annotation was computed. [2019-10-07 15:17:32,498 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 226 285) no Hoare annotation was computed. [2019-10-07 15:17:32,498 INFO L443 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2019-10-07 15:17:32,498 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 226 285) no Hoare annotation was computed. [2019-10-07 15:17:32,498 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 262) no Hoare annotation was computed. [2019-10-07 15:17:32,498 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2019-10-07 15:17:32,498 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2019-10-07 15:17:32,498 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2019-10-07 15:17:32,498 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2019-10-07 15:17:32,498 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,499 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2019-10-07 15:17:32,499 INFO L439 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,499 INFO L439 ceAbstractionStarter]: At program point L844-1(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,499 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2019-10-07 15:17:32,499 INFO L443 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2019-10-07 15:17:32,499 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-10-07 15:17:32,499 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,499 INFO L439 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,500 INFO L439 ceAbstractionStarter]: At program point L838-1(line 838) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 787 810) no Hoare annotation was computed. [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 787 810) no Hoare annotation was computed. [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 787 810) no Hoare annotation was computed. [2019-10-07 15:17:32,500 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-07 15:17:32,501 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-07 15:17:32,501 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-07 15:17:32,501 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-07 15:17:32,501 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-07 15:17:32,501 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-07 15:17:32,501 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-07 15:17:32,501 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-07 15:17:32,501 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2019-10-07 15:17:32,502 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2019-10-07 15:17:32,502 INFO L446 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2019-10-07 15:17:32,502 INFO L443 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2019-10-07 15:17:32,502 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2019-10-07 15:17:32,502 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2019-10-07 15:17:32,502 INFO L443 ceAbstractionStarter]: For program point L672(line 672) no Hoare annotation was computed. [2019-10-07 15:17:32,502 INFO L443 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2019-10-07 15:17:32,502 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2019-10-07 15:17:32,503 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2019-10-07 15:17:32,503 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2019-10-07 15:17:32,503 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2019-10-07 15:17:32,503 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 124 169) no Hoare annotation was computed. [2019-10-07 15:17:32,503 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 124 169) no Hoare annotation was computed. [2019-10-07 15:17:32,503 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 437 482) no Hoare annotation was computed. [2019-10-07 15:17:32,503 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 437 482) no Hoare annotation was computed. [2019-10-07 15:17:32,504 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,504 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2019-10-07 15:17:32,504 INFO L439 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,504 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2019-10-07 15:17:32,504 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2019-10-07 15:17:32,504 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2019-10-07 15:17:32,504 INFO L446 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2019-10-07 15:17:32,504 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-10-07 15:17:32,504 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:32,505 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2019-10-07 15:17:32,505 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2019-10-07 15:17:32,505 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2019-10-07 15:17:32,505 INFO L439 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:32,505 INFO L443 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2019-10-07 15:17:32,505 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2019-10-07 15:17:32,505 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:32,505 INFO L439 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:32,505 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:32,505 INFO L443 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2019-10-07 15:17:32,506 INFO L439 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:32,506 INFO L443 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2019-10-07 15:17:32,506 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2019-10-07 15:17:32,506 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2019-10-07 15:17:32,506 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2019-10-07 15:17:32,506 INFO L439 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and .cse0 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:32,506 INFO L443 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-10-07 15:17:32,506 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,506 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2019-10-07 15:17:32,506 INFO L439 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and .cse0 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:32,507 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-07 15:17:32,507 INFO L443 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2019-10-07 15:17:32,507 INFO L439 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and .cse0 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:32,507 INFO L439 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and .cse0 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:32,507 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-10-07 15:17:32,507 INFO L443 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2019-10-07 15:17:32,507 INFO L439 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:32,507 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2019-10-07 15:17:32,507 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 391 436) no Hoare annotation was computed. [2019-10-07 15:17:32,507 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 391 436) no Hoare annotation was computed. [2019-10-07 15:17:32,507 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2019-10-07 15:17:32,507 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2019-10-07 15:17:32,508 INFO L439 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse2 (= 0 ~methAndRunningLastTime~0) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse2 .cse1 .cse0))) [2019-10-07 15:17:32,508 INFO L443 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2019-10-07 15:17:32,508 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2019-10-07 15:17:32,508 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2019-10-07 15:17:32,508 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:17:32,508 INFO L443 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-10-07 15:17:32,508 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:17:32,508 INFO L439 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:32,508 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2019-10-07 15:17:32,508 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2019-10-07 15:17:32,508 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 904 926) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 904 926) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) 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 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point L353(line 353) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point L353-1(line 353) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 288 390) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 316) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point L358(lines 336 359) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 288 390) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 333) no Hoare annotation was computed. [2019-10-07 15:17:32,509 INFO L443 ceAbstractionStarter]: For program point L338(lines 337 357) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 288 390) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 375) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 961 970) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 961 970) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2019-10-07 15:17:32,510 INFO L446 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2019-10-07 15:17:32,510 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-10-07 15:17:32,511 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2019-10-07 15:17:32,511 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 927 935) no Hoare annotation was computed. [2019-10-07 15:17:32,511 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 927 935) no Hoare annotation was computed. [2019-10-07 15:17:32,511 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2 .cse3) (or (or (not (= 0 ~pumpRunning~0)) .cse0) .cse1 .cse2 .cse3))) [2019-10-07 15:17:32,511 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2019-10-07 15:17:32,511 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:32,511 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:17:32,511 INFO L439 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse1))) [2019-10-07 15:17:32,511 INFO L439 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse5 (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse2) (or .cse6 .cse0 .cse2 .cse3 .cse4))) [2019-10-07 15:17:32,511 INFO L439 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= 0 ~methAndRunningLastTime~0) .cse2 .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse0))) [2019-10-07 15:17:32,512 INFO L443 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2019-10-07 15:17:32,512 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse2) .cse1 .cse3))) [2019-10-07 15:17:32,512 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2019-10-07 15:17:32,512 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2019-10-07 15:17:32,512 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2019-10-07 15:17:32,512 INFO L446 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2019-10-07 15:17:32,512 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2019-10-07 15:17:32,512 INFO L446 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2019-10-07 15:17:32,512 INFO L443 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2019-10-07 15:17:32,512 INFO L446 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2019-10-07 15:17:32,512 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-10-07 15:17:32,513 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-10-07 15:17:32,513 INFO L446 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2019-10-07 15:17:32,513 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2019-10-07 15:17:32,513 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2019-10-07 15:17:32,513 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: true [2019-10-07 15:17:32,513 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2019-10-07 15:17:32,513 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2019-10-07 15:17:32,513 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2019-10-07 15:17:32,514 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:32,514 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 15:17:32,514 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:17:32,514 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:17:32,514 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:32,514 INFO L439 ceAbstractionStarter]: At program point L543(line 543) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:32,514 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2019-10-07 15:17:32,515 INFO L439 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:32,515 INFO L443 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2019-10-07 15:17:32,515 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:32,515 INFO L443 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2019-10-07 15:17:32,515 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2019-10-07 15:17:32,515 INFO L439 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:32,516 INFO L443 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2019-10-07 15:17:32,516 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2019-10-07 15:17:32,516 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: true [2019-10-07 15:17:32,516 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:17:32,516 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:17:32,516 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:17:32,516 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:32,517 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2019-10-07 15:17:32,517 INFO L443 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2019-10-07 15:17:32,517 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:32,517 INFO L439 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:32,517 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:32,517 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2019-10-07 15:17:32,518 INFO L439 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:32,518 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-07 15:17:32,518 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2019-10-07 15:17:32,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:17:32 BoogieIcfgContainer [2019-10-07 15:17:32,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:17:32,534 INFO L168 Benchmark]: Toolchain (without parser) took 13258.74 ms. Allocated memory was 141.0 MB in the beginning and 414.7 MB in the end (delta: 273.7 MB). Free memory was 102.9 MB in the beginning and 242.7 MB in the end (delta: -139.7 MB). Peak memory consumption was 239.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:32,535 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:32,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.75 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 102.7 MB in the beginning and 169.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:32,537 INFO L168 Benchmark]: Boogie Preprocessor took 84.57 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:32,538 INFO L168 Benchmark]: RCFGBuilder took 1863.94 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.6 MB in the beginning and 138.2 MB in the end (delta: 27.4 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:32,539 INFO L168 Benchmark]: TraceAbstraction took 10593.97 ms. Allocated memory was 234.9 MB in the beginning and 414.7 MB in the end (delta: 179.8 MB). Free memory was 136.8 MB in the beginning and 242.7 MB in the end (delta: -105.9 MB). Peak memory consumption was 179.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:32,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.75 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 102.7 MB in the beginning and 169.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.57 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1863.94 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.6 MB in the beginning and 138.2 MB in the end (delta: 27.4 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10593.97 ms. Allocated memory was 234.9 MB in the beginning and 414.7 MB in the end (delta: 179.8 MB). Free memory was 136.8 MB in the beginning and 242.7 MB in the end (delta: -105.9 MB). Peak memory consumption was 179.5 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: 63]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 0 == splverifierCounter) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || ((0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 196 locations, 1 error locations. Result: SAFE, OverallTime: 10.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 1331 SDtfs, 709 SDslu, 2408 SDs, 0 SdLazy, 1038 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 912 GetRequests, 822 SyntacticMatches, 2 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=499occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 44 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1144 PreInvPairs, 1188 NumberOfFragments, 1376 HoareAnnotationTreeSize, 1144 FomulaSimplifications, 768 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 4418 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1165 NumberOfCodeBlocks, 1165 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1551 ConstructedInterpolants, 0 QuantifiedInterpolants, 290563 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2662 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 331/359 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...