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_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:20:02,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:20:02,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:20:02,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:20:02,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:20:02,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:20:02,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:20:02,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:20:02,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:20:02,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:20:02,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:20:02,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:20:02,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:20:02,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:20:02,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:20:02,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:20:02,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:20:02,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:20:02,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:20:02,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:20:02,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:20:02,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:20:02,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:20:02,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:20:02,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:20:02,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:20:02,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:20:02,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:20:02,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:20:02,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:20:02,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:20:02,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:20:02,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:20:02,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:20:02,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:20:02,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:20:02,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:20:02,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:20:02,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:20:02,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:20:02,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:20:02,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:20:02,158 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:20:02,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:20:02,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:20:02,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:20:02,160 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:20:02,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:20:02,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:20:02,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:20:02,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:20:02,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:20:02,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:20:02,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:20:02,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:20:02,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:20:02,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:20:02,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:20:02,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:20:02,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:20:02,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:20:02,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:20:02,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:20:02,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:20:02,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:20:02,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:20:02,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:20:02,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:20:02,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:20:02,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:20:02,167 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 [2019-10-15 03:20:02,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:20:02,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:20:02,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:20:02,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:20:02,465 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:20:02,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-10-15 03:20:02,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/169808198/d3251768ed73479b8d2af67d10f9c900/FLAGb73878122 [2019-10-15 03:20:03,076 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:20:03,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-10-15 03:20:03,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/169808198/d3251768ed73479b8d2af67d10f9c900/FLAGb73878122 [2019-10-15 03:20:03,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/169808198/d3251768ed73479b8d2af67d10f9c900 [2019-10-15 03:20:03,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:20:03,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:20:03,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:20:03,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:20:03,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:20:03,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:20:03" (1/1) ... [2019-10-15 03:20:03,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103d845f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:03, skipping insertion in model container [2019-10-15 03:20:03,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:20:03" (1/1) ... [2019-10-15 03:20:03,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:20:03,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:20:03,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:20:03,871 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:20:03,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:20:04,039 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:20:04,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04 WrapperNode [2019-10-15 03:20:04,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:20:04,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:20:04,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:20:04,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:20:04,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04" (1/1) ... [2019-10-15 03:20:04,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04" (1/1) ... [2019-10-15 03:20:04,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04" (1/1) ... [2019-10-15 03:20:04,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04" (1/1) ... [2019-10-15 03:20:04,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04" (1/1) ... [2019-10-15 03:20:04,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04" (1/1) ... [2019-10-15 03:20:04,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04" (1/1) ... [2019-10-15 03:20:04,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:20:04,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:20:04,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:20:04,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:20:04,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:20:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:20:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:20:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:20:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:20:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:20:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:20:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:20:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:20:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:20:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:20:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:20:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:20:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:20:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:20:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 03:20:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 03:20:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 03:20:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 03:20:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:20:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:20:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:20:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:20:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:20:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:20:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:20:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:20:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:20:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:20:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:20:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 03:20:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:20:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:20:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:20:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:20:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:20:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:20:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:20:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:20:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:20:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:20:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:20:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:20:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:20:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:20:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:20:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:20:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:20:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 03:20:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:20:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:20:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:20:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:20:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:20:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:20:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:20:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 03:20:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:20:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:20:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:20:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:20:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 03:20:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:20:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:20:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:20:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:20:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 03:20:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:20:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:20:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:20:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 03:20:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:20:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:20:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:20:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:20:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:20:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:20:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:20:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:20:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:20:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:20:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:20:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:20:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:20:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:20:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:20:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:20:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:20:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:20:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:20:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:20:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:20:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:20:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:20:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:20:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:20:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:20:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:20:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:20:05,686 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:20:05,688 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:20:05,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:20:05 BoogieIcfgContainer [2019-10-15 03:20:05,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:20:05,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:20:05,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:20:05,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:20:05,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:20:03" (1/3) ... [2019-10-15 03:20:05,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c94bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:20:05, skipping insertion in model container [2019-10-15 03:20:05,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:04" (2/3) ... [2019-10-15 03:20:05,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c94bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:20:05, skipping insertion in model container [2019-10-15 03:20:05,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:20:05" (3/3) ... [2019-10-15 03:20:05,702 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2019-10-15 03:20:05,713 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:20:05,724 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:20:05,736 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:20:05,770 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:20:05,771 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:20:05,771 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:20:05,771 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:20:05,771 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:20:05,772 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:20:05,772 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:20:05,772 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:20:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2019-10-15 03:20:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:20:05,810 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:05,811 INFO L380 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] [2019-10-15 03:20:05,813 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:05,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:05,818 INFO L82 PathProgramCache]: Analyzing trace with hash -540376013, now seen corresponding path program 1 times [2019-10-15 03:20:05,828 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:05,828 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971015165] [2019-10-15 03:20:05,828 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:05,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:05,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:06,251 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971015165] [2019-10-15 03:20:06,251 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:06,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:20:06,253 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69453954] [2019-10-15 03:20:06,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:20:06,258 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:06,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:20:06,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:20:06,284 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2019-10-15 03:20:06,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:06,324 INFO L93 Difference]: Finished difference Result 230 states and 281 transitions. [2019-10-15 03:20:06,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:20:06,325 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 03:20:06,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:06,337 INFO L225 Difference]: With dead ends: 230 [2019-10-15 03:20:06,337 INFO L226 Difference]: Without dead ends: 117 [2019-10-15 03:20:06,342 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:20:06,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-15 03:20:06,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-15 03:20:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-15 03:20:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2019-10-15 03:20:06,391 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 46 [2019-10-15 03:20:06,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:06,391 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2019-10-15 03:20:06,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:20:06,391 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2019-10-15 03:20:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 03:20:06,395 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:06,395 INFO L380 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] [2019-10-15 03:20:06,395 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:06,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:06,396 INFO L82 PathProgramCache]: Analyzing trace with hash 857327170, now seen corresponding path program 1 times [2019-10-15 03:20:06,396 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:06,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723383143] [2019-10-15 03:20:06,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:06,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:06,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:06,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723383143] [2019-10-15 03:20:06,524 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:06,524 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:20:06,524 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001141729] [2019-10-15 03:20:06,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:20:06,527 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:06,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:20:06,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:20:06,528 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand 3 states. [2019-10-15 03:20:06,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:06,566 INFO L93 Difference]: Finished difference Result 181 states and 209 transitions. [2019-10-15 03:20:06,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:20:06,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 03:20:06,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:06,571 INFO L225 Difference]: With dead ends: 181 [2019-10-15 03:20:06,572 INFO L226 Difference]: Without dead ends: 109 [2019-10-15 03:20:06,574 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:20:06,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-15 03:20:06,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-10-15 03:20:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-15 03:20:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2019-10-15 03:20:06,598 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2019-10-15 03:20:06,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:06,598 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2019-10-15 03:20:06,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:20:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2019-10-15 03:20:06,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-15 03:20:06,603 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:06,603 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:06,603 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:06,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1729354015, now seen corresponding path program 1 times [2019-10-15 03:20:06,604 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:06,604 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627089545] [2019-10-15 03:20:06,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:06,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:06,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:06,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:06,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627089545] [2019-10-15 03:20:06,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:06,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:20:06,795 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385599555] [2019-10-15 03:20:06,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:20:06,796 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:06,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:20:06,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:20:06,797 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 7 states. [2019-10-15 03:20:07,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:07,199 INFO L93 Difference]: Finished difference Result 322 states and 384 transitions. [2019-10-15 03:20:07,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:20:07,200 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-15 03:20:07,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:07,205 INFO L225 Difference]: With dead ends: 322 [2019-10-15 03:20:07,205 INFO L226 Difference]: Without dead ends: 238 [2019-10-15 03:20:07,209 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:20:07,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-10-15 03:20:07,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 230. [2019-10-15 03:20:07,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-10-15 03:20:07,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 274 transitions. [2019-10-15 03:20:07,267 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 274 transitions. Word has length 50 [2019-10-15 03:20:07,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:07,268 INFO L462 AbstractCegarLoop]: Abstraction has 230 states and 274 transitions. [2019-10-15 03:20:07,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:20:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 274 transitions. [2019-10-15 03:20:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-15 03:20:07,278 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:07,279 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:07,279 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:07,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:07,279 INFO L82 PathProgramCache]: Analyzing trace with hash 381344418, now seen corresponding path program 1 times [2019-10-15 03:20:07,279 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:07,280 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233363041] [2019-10-15 03:20:07,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:07,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:07,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:07,452 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233363041] [2019-10-15 03:20:07,453 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:07,453 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:20:07,453 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024828490] [2019-10-15 03:20:07,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:20:07,454 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:07,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:20:07,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:20:07,455 INFO L87 Difference]: Start difference. First operand 230 states and 274 transitions. Second operand 6 states. [2019-10-15 03:20:07,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:07,649 INFO L93 Difference]: Finished difference Result 622 states and 759 transitions. [2019-10-15 03:20:07,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:20:07,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-15 03:20:07,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:07,655 INFO L225 Difference]: With dead ends: 622 [2019-10-15 03:20:07,655 INFO L226 Difference]: Without dead ends: 417 [2019-10-15 03:20:07,658 INFO L600 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 [2019-10-15 03:20:07,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-15 03:20:07,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 405. [2019-10-15 03:20:07,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2019-10-15 03:20:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 485 transitions. [2019-10-15 03:20:07,721 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 485 transitions. Word has length 55 [2019-10-15 03:20:07,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:07,722 INFO L462 AbstractCegarLoop]: Abstraction has 405 states and 485 transitions. [2019-10-15 03:20:07,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:20:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 485 transitions. [2019-10-15 03:20:07,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-15 03:20:07,725 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:07,726 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:07,726 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:07,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:07,726 INFO L82 PathProgramCache]: Analyzing trace with hash -267876420, now seen corresponding path program 1 times [2019-10-15 03:20:07,727 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:07,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506333045] [2019-10-15 03:20:07,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:07,729 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:07,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:07,830 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506333045] [2019-10-15 03:20:07,830 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:07,830 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:20:07,831 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530471819] [2019-10-15 03:20:07,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:20:07,832 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:07,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:20:07,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:20:07,833 INFO L87 Difference]: Start difference. First operand 405 states and 485 transitions. Second operand 7 states. [2019-10-15 03:20:08,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:08,482 INFO L93 Difference]: Finished difference Result 1071 states and 1404 transitions. [2019-10-15 03:20:08,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:20:08,483 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-15 03:20:08,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:08,488 INFO L225 Difference]: With dead ends: 1071 [2019-10-15 03:20:08,490 INFO L226 Difference]: Without dead ends: 691 [2019-10-15 03:20:08,493 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:20:08,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-15 03:20:08,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 604. [2019-10-15 03:20:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2019-10-15 03:20:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 724 transitions. [2019-10-15 03:20:08,548 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 724 transitions. Word has length 58 [2019-10-15 03:20:08,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:08,548 INFO L462 AbstractCegarLoop]: Abstraction has 604 states and 724 transitions. [2019-10-15 03:20:08,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:20:08,548 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 724 transitions. [2019-10-15 03:20:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-15 03:20:08,550 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:08,550 INFO L380 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] [2019-10-15 03:20:08,551 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:08,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:08,551 INFO L82 PathProgramCache]: Analyzing trace with hash 601811161, now seen corresponding path program 1 times [2019-10-15 03:20:08,551 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:08,551 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278359369] [2019-10-15 03:20:08,552 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:08,552 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:08,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:08,637 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278359369] [2019-10-15 03:20:08,638 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:08,639 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:20:08,639 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053116923] [2019-10-15 03:20:08,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:20:08,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:08,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:20:08,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:20:08,641 INFO L87 Difference]: Start difference. First operand 604 states and 724 transitions. Second operand 3 states. [2019-10-15 03:20:08,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:08,700 INFO L93 Difference]: Finished difference Result 852 states and 1047 transitions. [2019-10-15 03:20:08,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:20:08,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-15 03:20:08,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:08,708 INFO L225 Difference]: With dead ends: 852 [2019-10-15 03:20:08,708 INFO L226 Difference]: Without dead ends: 849 [2019-10-15 03:20:08,709 INFO L600 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 [2019-10-15 03:20:08,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2019-10-15 03:20:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 809. [2019-10-15 03:20:08,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2019-10-15 03:20:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 994 transitions. [2019-10-15 03:20:08,773 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 994 transitions. Word has length 75 [2019-10-15 03:20:08,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:08,775 INFO L462 AbstractCegarLoop]: Abstraction has 809 states and 994 transitions. [2019-10-15 03:20:08,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:20:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 994 transitions. [2019-10-15 03:20:08,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-15 03:20:08,786 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:08,786 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:08,787 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:08,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:08,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1902676460, now seen corresponding path program 1 times [2019-10-15 03:20:08,787 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:08,787 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820430814] [2019-10-15 03:20:08,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:08,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:08,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 03:20:09,094 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820430814] [2019-10-15 03:20:09,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635539359] [2019-10-15 03:20:09,095 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 [2019-10-15 03:20:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:09,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-15 03:20:09,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:20:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 03:20:09,459 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:20:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 03:20:09,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [989671271] [2019-10-15 03:20:09,812 INFO L162 IcfgInterpreter]: Started Sifa with 83 locations of interest [2019-10-15 03:20:09,812 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:20:09,819 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:20:09,826 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:20:09,827 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:20:18,305 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 03:20:19,902 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 03:20:20,058 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:20:20,232 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:20:20,358 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:20:20,787 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:21,195 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:21,522 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:21,764 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:22,172 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-15 03:20:22,355 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:22,520 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:22,674 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:22,819 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:22,938 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:20:22,948 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-15 03:20:23,179 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-15 03:20:23,342 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:23,467 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:23,614 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:23,734 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:23,851 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:24,031 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:24,154 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:24,266 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:24,405 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:24,669 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-15 03:20:24,784 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:24,928 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,041 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:25,161 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:25,283 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,415 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:25,522 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:25,643 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:25,752 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:25,982 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:26,094 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:26,222 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:26,342 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:26,548 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:26,672 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:27,007 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:27,321 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:27,642 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:27,780 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:20:27,999 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:28,164 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:28,289 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:28,432 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:28,675 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:20:28,798 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:28,927 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:29,040 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:29,153 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:29,271 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:29,414 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:29,526 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:29,678 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:29,944 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:30,057 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:30,192 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:30,305 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:30,418 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:30,545 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:30,662 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:20:30,779 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:20:30,913 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-15 03:20:31,030 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:31,154 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:31,289 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:31,455 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:31,569 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:31,696 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:31,815 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:31,949 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:32,134 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:32,249 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:32,364 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:32,489 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-15 03:20:32,706 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:20:32,816 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:32,947 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,151 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:20:33,266 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,396 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,506 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,618 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,740 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:33,967 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:34,079 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:34,212 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:34,485 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:34,597 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:34,726 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:34,837 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:34,949 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:35,071 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:35,272 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 566 [2019-10-15 03:20:35,383 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:35,505 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:35,720 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 568 [2019-10-15 03:20:35,832 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:35,961 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:20:36,175 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:20:36,292 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:36,425 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:36,624 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:20:36,741 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:36,874 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:36,985 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,094 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,213 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,438 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:20:37,548 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,669 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:37,876 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:20:37,985 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:38,107 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:38,217 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:38,327 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:38,503 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:38,730 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:38,841 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:38,966 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:39,170 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:39,281 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:39,421 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:39,533 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:39,644 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:39,765 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:39,965 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:40,078 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:40,201 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:40,412 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:20:40,521 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:40,645 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:40,860 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:20:40,970 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:41,093 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:41,203 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:41,317 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:41,438 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:20:41,753 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:41,862 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:41,986 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:42,205 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:20:42,317 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:42,447 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:42,641 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:42,752 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:42,873 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:43,080 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:20:43,193 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:20:43,322 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:43,526 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:20:43,638 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:43,764 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:20:44,147 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 568 [2019-10-15 03:20:44,273 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:20:44,402 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570