/usr/bin/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_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:35:55,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:35:55,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:35:55,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:35:55,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:35:55,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:35:55,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:35:55,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:35:55,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:35:55,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:35:55,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:35:55,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:35:55,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:35:55,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:35:55,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:35:55,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:35:55,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:35:55,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:35:55,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:35:55,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:35:55,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:35:55,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:35:55,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:35:55,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:35:55,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:35:55,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:35:55,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:35:55,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:35:55,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:35:55,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:35:55,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:35:55,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:35:55,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:35:55,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:35:55,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:35:55,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:35:55,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:35:55,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:35:55,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:35:55,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:35:55,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:35:55,991 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 [2019-11-07 04:35:56,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:35:56,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:35:56,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:35:56,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:35:56,006 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:35:56,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:35:56,007 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:35:56,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:35:56,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:35:56,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:35:56,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:35:56,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:35:56,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:35:56,008 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:35:56,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:35:56,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:35:56,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:35:56,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:35:56,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:35:56,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:35:56,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:35:56,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:35:56,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:35:56,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:35:56,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:35:56,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:35:56,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:35:56,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:35:56,011 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 [2019-11-07 04:35:56,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:35:56,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:35:56,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:35:56,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:35:56,382 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:35:56,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2019-11-07 04:35:56,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576e12614/4e1a2b153ed64227809792e78f943269/FLAGe4fc6ad74 [2019-11-07 04:35:57,028 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:35:57,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2019-11-07 04:35:57,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576e12614/4e1a2b153ed64227809792e78f943269/FLAGe4fc6ad74 [2019-11-07 04:35:57,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576e12614/4e1a2b153ed64227809792e78f943269 [2019-11-07 04:35:57,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:35:57,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:35:57,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:57,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:35:57,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:35:57,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:57" (1/1) ... [2019-11-07 04:35:57,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55dca301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57, skipping insertion in model container [2019-11-07 04:35:57,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:57" (1/1) ... [2019-11-07 04:35:57,316 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:35:57,366 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:35:57,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:57,810 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:35:57,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:57,926 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:35:57,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57 WrapperNode [2019-11-07 04:35:57,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:57,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:35:57,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:35:57,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:35:57,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57" (1/1) ... [2019-11-07 04:35:57,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57" (1/1) ... [2019-11-07 04:35:57,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57" (1/1) ... [2019-11-07 04:35:57,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57" (1/1) ... [2019-11-07 04:35:57,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57" (1/1) ... [2019-11-07 04:35:58,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57" (1/1) ... [2019-11-07 04:35:58,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57" (1/1) ... [2019-11-07 04:35:58,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:35:58,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:35:58,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:35:58,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:35:58,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57" (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 [2019-11-07 04:35:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:35:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:35:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:35:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:35:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:35:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 04:35:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:35:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 04:35:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:35:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:35:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:35:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:35:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:35:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:35:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:35:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:35:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:35:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:35:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:35:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:35:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:35:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:35:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:35:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:35:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:35:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:35:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:35:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:35:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:35:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:35:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:35:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:35:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:35:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:35:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:35:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:35:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:35:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:35:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:35:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:35:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:35:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:35:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:35:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:35:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:35:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:35:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:35:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:35:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:35:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:35:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:35:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:35:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 04:35:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:35:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 04:35:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:35:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:35:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:35:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:35:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:35:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:35:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:35:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:35:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:35:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:35:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:35:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:35:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:35:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:35:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:35:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:35:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:35:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:35:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:35:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:35:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:35:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:35:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:35:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:35:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:35:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:35:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:35:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:35:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:35:59,659 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:35:59,661 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:35:59,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:59 BoogieIcfgContainer [2019-11-07 04:35:59,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:35:59,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:35:59,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:35:59,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:35:59,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:35:57" (1/3) ... [2019-11-07 04:35:59,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4faf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:59, skipping insertion in model container [2019-11-07 04:35:59,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:57" (2/3) ... [2019-11-07 04:35:59,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4faf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:59, skipping insertion in model container [2019-11-07 04:35:59,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:59" (3/3) ... [2019-11-07 04:35:59,672 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2019-11-07 04:35:59,682 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:35:59,691 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:35:59,702 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:35:59,736 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:35:59,736 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:35:59,736 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:35:59,736 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:35:59,737 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:35:59,737 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:35:59,737 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:35:59,737 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:35:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-11-07 04:35:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:35:59,768 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:59,770 INFO L410 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] [2019-11-07 04:35:59,772 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:59,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:59,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1483690071, now seen corresponding path program 1 times [2019-11-07 04:35:59,788 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:59,789 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648366945] [2019-11-07 04:35:59,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:36:00,072 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648366945] [2019-11-07 04:36:00,072 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:00,073 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:36:00,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383933508] [2019-11-07 04:36:00,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:36:00,079 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:00,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:36:00,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:36:00,096 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2019-11-07 04:36:00,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:00,140 INFO L93 Difference]: Finished difference Result 252 states and 309 transitions. [2019-11-07 04:36:00,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:36:00,141 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:36:00,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:00,155 INFO L225 Difference]: With dead ends: 252 [2019-11-07 04:36:00,155 INFO L226 Difference]: Without dead ends: 128 [2019-11-07 04:36:00,159 INFO L630 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 [2019-11-07 04:36:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-07 04:36:00,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-11-07 04:36:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-07 04:36:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2019-11-07 04:36:00,222 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 52 [2019-11-07 04:36:00,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:00,223 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2019-11-07 04:36:00,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:36:00,223 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2019-11-07 04:36:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:36:00,227 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:00,228 INFO L410 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] [2019-11-07 04:36:00,228 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:00,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:00,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1514681282, now seen corresponding path program 1 times [2019-11-07 04:36:00,229 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:00,229 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691437907] [2019-11-07 04:36:00,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:36:00,409 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691437907] [2019-11-07 04:36:00,409 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:00,409 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:36:00,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359154119] [2019-11-07 04:36:00,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:36:00,412 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:00,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:36:00,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:36:00,413 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 3 states. [2019-11-07 04:36:00,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:00,436 INFO L93 Difference]: Finished difference Result 203 states and 237 transitions. [2019-11-07 04:36:00,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:36:00,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:36:00,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:00,440 INFO L225 Difference]: With dead ends: 203 [2019-11-07 04:36:00,440 INFO L226 Difference]: Without dead ends: 120 [2019-11-07 04:36:00,442 INFO L630 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 [2019-11-07 04:36:00,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-07 04:36:00,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-11-07 04:36:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-07 04:36:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2019-11-07 04:36:00,459 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 53 [2019-11-07 04:36:00,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:00,459 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2019-11-07 04:36:00,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:36:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2019-11-07 04:36:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 04:36:00,462 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:00,462 INFO L410 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] [2019-11-07 04:36:00,463 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:00,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:00,463 INFO L82 PathProgramCache]: Analyzing trace with hash 925546405, now seen corresponding path program 1 times [2019-11-07 04:36:00,464 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:00,464 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104418366] [2019-11-07 04:36:00,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:36:00,676 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104418366] [2019-11-07 04:36:00,676 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:00,676 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:36:00,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23841342] [2019-11-07 04:36:00,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:36:00,677 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:00,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:36:00,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:36:00,678 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 7 states. [2019-11-07 04:36:01,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:01,173 INFO L93 Difference]: Finished difference Result 359 states and 431 transitions. [2019-11-07 04:36:01,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:36:01,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 04:36:01,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:01,185 INFO L225 Difference]: With dead ends: 359 [2019-11-07 04:36:01,185 INFO L226 Difference]: Without dead ends: 264 [2019-11-07 04:36:01,187 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:36:01,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-11-07 04:36:01,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 256. [2019-11-07 04:36:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-11-07 04:36:01,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 307 transitions. [2019-11-07 04:36:01,268 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 307 transitions. Word has length 56 [2019-11-07 04:36:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:01,268 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 307 transitions. [2019-11-07 04:36:01,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:36:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 307 transitions. [2019-11-07 04:36:01,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 04:36:01,274 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:01,274 INFO L410 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] [2019-11-07 04:36:01,274 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:01,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:01,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1299137629, now seen corresponding path program 1 times [2019-11-07 04:36:01,275 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:01,275 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549355995] [2019-11-07 04:36:01,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:36:01,435 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549355995] [2019-11-07 04:36:01,435 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:01,435 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:36:01,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342371987] [2019-11-07 04:36:01,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:36:01,437 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:01,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:36:01,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:36:01,437 INFO L87 Difference]: Start difference. First operand 256 states and 307 transitions. Second operand 7 states. [2019-11-07 04:36:02,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:02,210 INFO L93 Difference]: Finished difference Result 668 states and 864 transitions. [2019-11-07 04:36:02,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:36:02,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-11-07 04:36:02,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:02,217 INFO L225 Difference]: With dead ends: 668 [2019-11-07 04:36:02,217 INFO L226 Difference]: Without dead ends: 437 [2019-11-07 04:36:02,219 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:36:02,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-11-07 04:36:02,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 387. [2019-11-07 04:36:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2019-11-07 04:36:02,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 458 transitions. [2019-11-07 04:36:02,274 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 458 transitions. Word has length 61 [2019-11-07 04:36:02,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:02,274 INFO L462 AbstractCegarLoop]: Abstraction has 387 states and 458 transitions. [2019-11-07 04:36:02,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:36:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 458 transitions. [2019-11-07 04:36:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-07 04:36:02,279 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:02,279 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:36:02,279 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:02,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:02,280 INFO L82 PathProgramCache]: Analyzing trace with hash 62856739, now seen corresponding path program 1 times [2019-11-07 04:36:02,280 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:02,280 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389573871] [2019-11-07 04:36:02,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:36:02,484 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389573871] [2019-11-07 04:36:02,485 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:02,485 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-07 04:36:02,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961856111] [2019-11-07 04:36:02,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-07 04:36:02,486 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:02,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-07 04:36:02,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:36:02,487 INFO L87 Difference]: Start difference. First operand 387 states and 458 transitions. Second operand 12 states. [2019-11-07 04:36:03,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:03,432 INFO L93 Difference]: Finished difference Result 1149 states and 1406 transitions. [2019-11-07 04:36:03,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-07 04:36:03,436 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2019-11-07 04:36:03,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:03,447 INFO L225 Difference]: With dead ends: 1149 [2019-11-07 04:36:03,447 INFO L226 Difference]: Without dead ends: 787 [2019-11-07 04:36:03,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:36:03,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2019-11-07 04:36:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 765. [2019-11-07 04:36:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2019-11-07 04:36:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 926 transitions. [2019-11-07 04:36:03,542 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 926 transitions. Word has length 91 [2019-11-07 04:36:03,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:03,542 INFO L462 AbstractCegarLoop]: Abstraction has 765 states and 926 transitions. [2019-11-07 04:36:03,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-07 04:36:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 926 transitions. [2019-11-07 04:36:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-07 04:36:03,546 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:03,546 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:36:03,547 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:03,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:03,547 INFO L82 PathProgramCache]: Analyzing trace with hash -695176965, now seen corresponding path program 1 times [2019-11-07 04:36:03,548 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:03,548 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36575492] [2019-11-07 04:36:03,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:36:03,689 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36575492] [2019-11-07 04:36:03,690 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:03,690 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:36:03,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889723771] [2019-11-07 04:36:03,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:36:03,691 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:03,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:36:03,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:36:03,692 INFO L87 Difference]: Start difference. First operand 765 states and 926 transitions. Second operand 9 states. [2019-11-07 04:36:04,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:04,646 INFO L93 Difference]: Finished difference Result 2465 states and 3093 transitions. [2019-11-07 04:36:04,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:36:04,646 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2019-11-07 04:36:04,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:04,661 INFO L225 Difference]: With dead ends: 2465 [2019-11-07 04:36:04,661 INFO L226 Difference]: Without dead ends: 1884 [2019-11-07 04:36:04,665 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:36:04,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2019-11-07 04:36:04,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1610. [2019-11-07 04:36:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2019-11-07 04:36:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 1968 transitions. [2019-11-07 04:36:04,789 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 1968 transitions. Word has length 94 [2019-11-07 04:36:04,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:04,790 INFO L462 AbstractCegarLoop]: Abstraction has 1610 states and 1968 transitions. [2019-11-07 04:36:04,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:36:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1968 transitions. [2019-11-07 04:36:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-07 04:36:04,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:04,795 INFO L410 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, 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] [2019-11-07 04:36:04,795 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:04,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:04,795 INFO L82 PathProgramCache]: Analyzing trace with hash -372636459, now seen corresponding path program 1 times [2019-11-07 04:36:04,796 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:04,796 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969602579] [2019-11-07 04:36:04,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 04:36:04,962 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969602579] [2019-11-07 04:36:04,962 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862966397] [2019-11-07 04:36:04,962 INFO L94 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 [2019-11-07 04:36:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:05,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 04:36:05,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:36:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:36:05,347 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:36:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 04:36:05,820 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [541017022] [2019-11-07 04:36:05,862 INFO L159 IcfgInterpreter]: Started Sifa with 107 locations of interest [2019-11-07 04:36:05,863 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:36:05,871 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:36:05,878 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:36:05,879 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 04:36:14,039 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 04:36:15,737 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 04:36:15,870 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:16,076 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:16,193 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:16,484 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:36:16,613 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:16,764 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:16,959 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:36:16,969 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-11-07 04:36:16,980 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-11-07 04:36:17,199 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:17,372 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:17,573 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,698 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:17,822 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:17,979 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,083 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:18,333 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,579 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:18,807 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:18,942 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,091 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,245 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,415 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,527 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,641 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,772 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,919 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:20,040 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:20,165 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:20,285 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:20,423 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:20,545 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:20,716 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:20,831 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:20,972 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:21,091 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:21,229 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:21,426 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:21,612 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:36:21,728 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:36:21,865 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:36:21,993 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:36:22,122 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:36:22,264 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:36:22,284 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-11-07 04:36:22,435 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:22,681 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:22,792 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:22,918 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:23,133 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:23,148 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-11-07 04:36:23,387 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:36:23,756 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:24,361 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:36:24,798 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:36:25,376 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-11-07 04:36:25,557 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 199 [2019-11-07 04:36:25,748 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2019-11-07 04:36:27,019 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 622 [2019-11-07 04:36:27,199 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 622 [2019-11-07 04:36:27,446 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 134 for LOIs [2019-11-07 04:36:27,450 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 139 for LOIs [2019-11-07 04:36:28,714 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 146 for LOIs [2019-11-07 04:36:28,718 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 144 for LOIs [2019-11-07 04:36:29,453 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-11-07 04:36:30,014 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 162 for LOIs [2019-11-07 04:36:30,955 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 158 for LOIs [2019-11-07 04:36:31,294 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 158 for LOIs [2019-11-07 04:36:31,299 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 142 for LOIs [2019-11-07 04:36:31,738 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 150 for LOIs [2019-11-07 04:36:31,973 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 149 for LOIs [2019-11-07 04:36:31,976 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 144 for LOIs [2019-11-07 04:36:31,979 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 156 for LOIs [2019-11-07 04:36:31,982 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 544 for LOIs [2019-11-07 04:36:31,992 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 544 for LOIs [2019-11-07 04:36:32,002 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 156 for LOIs [2019-11-07 04:36:32,630 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 165 for LOIs [2019-11-07 04:36:32,647 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 156 for LOIs [2019-11-07 04:36:32,651 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 133 for LOIs [2019-11-07 04:36:32,810 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 130 for LOIs [2019-11-07 04:36:32,812 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 538 for LOIs [2019-11-07 04:36:32,824 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 544 for LOIs [2019-11-07 04:36:32,832 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 536 for LOIs [2019-11-07 04:36:32,840 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 04:36:33,660 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 91 [2019-11-07 04:36:33,948 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187