/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_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:37:13,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:37:13,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:37:13,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:37:13,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:37:13,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:37:13,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:37:13,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:37:13,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:37:13,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:37:13,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:37:13,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:37:13,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:37:13,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:37:13,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:37:13,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:37:13,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:37:13,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:37:13,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:37:13,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:37:13,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:37:13,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:37:13,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:37:13,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:37:13,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:37:13,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:37:13,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:37:13,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:37:13,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:37:13,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:37:13,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:37:13,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:37:13,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:37:13,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:37:13,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:37:13,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:37:13,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:37:13,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:37:13,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:37:13,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:37:13,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:37:13,195 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 04:37:13,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:37:13,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:37:13,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:37:13,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:37:13,221 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:37:13,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:37:13,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:37:13,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:37:13,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:37:13,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:37:13,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:37:13,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:37:13,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:37:13,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:37:13,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:37:13,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:37:13,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:37:13,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:37:13,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:37:13,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:37:13,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:37:13,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:37:13,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:37:13,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:37:13,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:37:13,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:37:13,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:37:13,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:37:13,226 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 04:37:13,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:37:13,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:37:13,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:37:13,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:37:13,547 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:37:13,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-11-07 04:37:13,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27596002f/1f21f0e4c8884932a9cfb967fb070482/FLAG5f43722ac [2019-11-07 04:37:14,166 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:37:14,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-11-07 04:37:14,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27596002f/1f21f0e4c8884932a9cfb967fb070482/FLAG5f43722ac [2019-11-07 04:37:14,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27596002f/1f21f0e4c8884932a9cfb967fb070482 [2019-11-07 04:37:14,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:37:14,437 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:37:14,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:37:14,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:37:14,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:37:14,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:37:14" (1/1) ... [2019-11-07 04:37:14,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329037be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:14, skipping insertion in model container [2019-11-07 04:37:14,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:37:14" (1/1) ... [2019-11-07 04:37:14,463 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:37:14,532 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:37:15,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:37:15,075 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:37:15,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:37:15,240 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:37:15,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15 WrapperNode [2019-11-07 04:37:15,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:37:15,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:37:15,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:37:15,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:37:15,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15" (1/1) ... [2019-11-07 04:37:15,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15" (1/1) ... [2019-11-07 04:37:15,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15" (1/1) ... [2019-11-07 04:37:15,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15" (1/1) ... [2019-11-07 04:37:15,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15" (1/1) ... [2019-11-07 04:37:15,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15" (1/1) ... [2019-11-07 04:37:15,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15" (1/1) ... [2019-11-07 04:37:15,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:37:15,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:37:15,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:37:15,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:37:15,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15" (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 04:37:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:37:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:37:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:37:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:37:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:37:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:37:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:37:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:37:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:37:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:37:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:37:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:37:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:37:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:37:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:37:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:37:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 04:37:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:37:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:37:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:37:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:37:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:37:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:37:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:37:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:37:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:37:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:37:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:37:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:37:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:37:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:37:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:37:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:37:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:37:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:37:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:37:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:37:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:37:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:37:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:37:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:37:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:37:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:37:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:37:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:37:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:37:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:37:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:37:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:37:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:37:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:37:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:37:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:37:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:37:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:37:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:37:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:37:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:37:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:37:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:37:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:37:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:37:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:37:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:37:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:37:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 04:37:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:37:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:37:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:37:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:37:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:37:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:37:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:37:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:37:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:37:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:37:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:37:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:37:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:37:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:37:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:37:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:37:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:37:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:37:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:37:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:37:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:37:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:37:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:37:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:37:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:37:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:37:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:37:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:37:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:37:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:37:17,123 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:37:17,123 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:37:17,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:37:17 BoogieIcfgContainer [2019-11-07 04:37:17,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:37:17,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:37:17,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:37:17,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:37:17,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:37:14" (1/3) ... [2019-11-07 04:37:17,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bf7f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:37:17, skipping insertion in model container [2019-11-07 04:37:17,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:15" (2/3) ... [2019-11-07 04:37:17,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bf7f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:37:17, skipping insertion in model container [2019-11-07 04:37:17,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:37:17" (3/3) ... [2019-11-07 04:37:17,138 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2019-11-07 04:37:17,149 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:37:17,159 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:37:17,171 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:37:17,203 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:37:17,204 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:37:17,204 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:37:17,204 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:37:17,204 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:37:17,205 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:37:17,205 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:37:17,205 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:37:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2019-11-07 04:37:17,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:37:17,238 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:37:17,239 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 04:37:17,241 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:37:17,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:37:17,248 INFO L82 PathProgramCache]: Analyzing trace with hash 616175143, now seen corresponding path program 1 times [2019-11-07 04:37:17,258 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:37:17,258 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006505522] [2019-11-07 04:37:17,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:37:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:37:17,638 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 04:37:17,638 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006505522] [2019-11-07 04:37:17,639 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:37:17,640 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:37:17,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562247] [2019-11-07 04:37:17,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:37:17,646 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:37:17,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:37:17,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:37:17,664 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2019-11-07 04:37:17,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:37:17,717 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2019-11-07 04:37:17,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:37:17,718 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:37:17,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:37:17,731 INFO L225 Difference]: With dead ends: 264 [2019-11-07 04:37:17,731 INFO L226 Difference]: Without dead ends: 134 [2019-11-07 04:37:17,736 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 04:37:17,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-07 04:37:17,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-11-07 04:37:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-07 04:37:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2019-11-07 04:37:17,792 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 52 [2019-11-07 04:37:17,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:37:17,793 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2019-11-07 04:37:17,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:37:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2019-11-07 04:37:17,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:37:17,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:37:17,797 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 04:37:17,798 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:37:17,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:37:17,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1765384496, now seen corresponding path program 1 times [2019-11-07 04:37:17,799 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:37:17,799 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192464415] [2019-11-07 04:37:17,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:37:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:37:17,913 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 04:37:17,913 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192464415] [2019-11-07 04:37:17,914 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:37:17,914 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:37:17,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957155421] [2019-11-07 04:37:17,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:37:17,916 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:37:17,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:37:17,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:37:17,918 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 3 states. [2019-11-07 04:37:17,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:37:17,946 INFO L93 Difference]: Finished difference Result 215 states and 247 transitions. [2019-11-07 04:37:17,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:37:17,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:37:17,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:37:17,949 INFO L225 Difference]: With dead ends: 215 [2019-11-07 04:37:17,950 INFO L226 Difference]: Without dead ends: 126 [2019-11-07 04:37:17,952 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 04:37:17,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-07 04:37:17,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-11-07 04:37:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-07 04:37:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 144 transitions. [2019-11-07 04:37:17,983 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 144 transitions. Word has length 53 [2019-11-07 04:37:17,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:37:17,984 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 144 transitions. [2019-11-07 04:37:17,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:37:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2019-11-07 04:37:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 04:37:17,992 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:37:17,994 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 04:37:17,994 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:37:17,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:37:17,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1982343881, now seen corresponding path program 1 times [2019-11-07 04:37:17,995 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:37:17,995 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702273263] [2019-11-07 04:37:17,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:37:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:37:18,229 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 04:37:18,229 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702273263] [2019-11-07 04:37:18,230 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:37:18,230 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:37:18,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488249191] [2019-11-07 04:37:18,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:37:18,233 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:37:18,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:37:18,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:37:18,234 INFO L87 Difference]: Start difference. First operand 126 states and 144 transitions. Second operand 7 states. [2019-11-07 04:37:18,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:37:18,820 INFO L93 Difference]: Finished difference Result 377 states and 446 transitions. [2019-11-07 04:37:18,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:37:18,820 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 04:37:18,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:37:18,826 INFO L225 Difference]: With dead ends: 377 [2019-11-07 04:37:18,826 INFO L226 Difference]: Without dead ends: 276 [2019-11-07 04:37:18,828 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 04:37:18,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-07 04:37:18,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 268. [2019-11-07 04:37:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2019-11-07 04:37:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 317 transitions. [2019-11-07 04:37:18,887 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 317 transitions. Word has length 56 [2019-11-07 04:37:18,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:37:18,889 INFO L462 AbstractCegarLoop]: Abstraction has 268 states and 317 transitions. [2019-11-07 04:37:18,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:37:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 317 transitions. [2019-11-07 04:37:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 04:37:18,894 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:37:18,895 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 04:37:18,895 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:37:18,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:37:18,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1295801906, now seen corresponding path program 1 times [2019-11-07 04:37:18,896 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:37:18,898 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568553101] [2019-11-07 04:37:18,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:37:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:37:19,089 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 04:37:19,090 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568553101] [2019-11-07 04:37:19,090 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:37:19,090 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:37:19,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507031204] [2019-11-07 04:37:19,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:37:19,092 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:37:19,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:37:19,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:37:19,092 INFO L87 Difference]: Start difference. First operand 268 states and 317 transitions. Second operand 7 states. [2019-11-07 04:37:19,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:37:19,905 INFO L93 Difference]: Finished difference Result 680 states and 874 transitions. [2019-11-07 04:37:19,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:37:19,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-11-07 04:37:19,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:37:19,911 INFO L225 Difference]: With dead ends: 680 [2019-11-07 04:37:19,912 INFO L226 Difference]: Without dead ends: 437 [2019-11-07 04:37:19,915 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 04:37:19,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-11-07 04:37:19,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 387. [2019-11-07 04:37:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2019-11-07 04:37:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 458 transitions. [2019-11-07 04:37:19,962 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 458 transitions. Word has length 61 [2019-11-07 04:37:19,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:37:19,963 INFO L462 AbstractCegarLoop]: Abstraction has 387 states and 458 transitions. [2019-11-07 04:37:19,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:37:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 458 transitions. [2019-11-07 04:37:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-07 04:37:19,969 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:37:19,969 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 04:37:19,969 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:37:19,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:37:19,971 INFO L82 PathProgramCache]: Analyzing trace with hash 601919314, now seen corresponding path program 1 times [2019-11-07 04:37:19,971 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:37:19,971 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298956796] [2019-11-07 04:37:19,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:37:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:37:20,204 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 04:37:20,205 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298956796] [2019-11-07 04:37:20,205 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:37:20,205 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-07 04:37:20,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585612481] [2019-11-07 04:37:20,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-07 04:37:20,206 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:37:20,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-07 04:37:20,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:37:20,207 INFO L87 Difference]: Start difference. First operand 387 states and 458 transitions. Second operand 12 states. [2019-11-07 04:37:21,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:37:21,284 INFO L93 Difference]: Finished difference Result 1149 states and 1406 transitions. [2019-11-07 04:37:21,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-07 04:37:21,284 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2019-11-07 04:37:21,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:37:21,294 INFO L225 Difference]: With dead ends: 1149 [2019-11-07 04:37:21,295 INFO L226 Difference]: Without dead ends: 787 [2019-11-07 04:37:21,298 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:37:21,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2019-11-07 04:37:21,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 765. [2019-11-07 04:37:21,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2019-11-07 04:37:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 926 transitions. [2019-11-07 04:37:21,389 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 926 transitions. Word has length 91 [2019-11-07 04:37:21,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:37:21,390 INFO L462 AbstractCegarLoop]: Abstraction has 765 states and 926 transitions. [2019-11-07 04:37:21,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-07 04:37:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 926 transitions. [2019-11-07 04:37:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-07 04:37:21,397 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:37:21,398 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 04:37:21,398 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:37:21,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:37:21,399 INFO L82 PathProgramCache]: Analyzing trace with hash -335301184, now seen corresponding path program 1 times [2019-11-07 04:37:21,399 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:37:21,399 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400843133] [2019-11-07 04:37:21,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:37:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:37:21,601 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 04:37:21,602 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400843133] [2019-11-07 04:37:21,603 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:37:21,603 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:37:21,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618946510] [2019-11-07 04:37:21,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:37:21,604 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:37:21,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:37:21,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:37:21,605 INFO L87 Difference]: Start difference. First operand 765 states and 926 transitions. Second operand 9 states. [2019-11-07 04:37:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:37:22,668 INFO L93 Difference]: Finished difference Result 2465 states and 3093 transitions. [2019-11-07 04:37:22,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:37:22,669 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2019-11-07 04:37:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:37:22,682 INFO L225 Difference]: With dead ends: 2465 [2019-11-07 04:37:22,683 INFO L226 Difference]: Without dead ends: 1884 [2019-11-07 04:37:22,686 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:37:22,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2019-11-07 04:37:22,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1610. [2019-11-07 04:37:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2019-11-07 04:37:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 1968 transitions. [2019-11-07 04:37:22,829 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 1968 transitions. Word has length 94 [2019-11-07 04:37:22,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:37:22,830 INFO L462 AbstractCegarLoop]: Abstraction has 1610 states and 1968 transitions. [2019-11-07 04:37:22,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:37:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1968 transitions. [2019-11-07 04:37:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-07 04:37:22,841 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:37:22,841 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:22,841 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:37:22,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:37:22,842 INFO L82 PathProgramCache]: Analyzing trace with hash 945574640, now seen corresponding path program 1 times [2019-11-07 04:37:22,842 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:37:22,842 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086081212] [2019-11-07 04:37:22,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:37:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:37:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 04:37:23,072 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086081212] [2019-11-07 04:37:23,073 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205474617] [2019-11-07 04:37:23,073 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 04:37:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:37:23,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 04:37:23,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:37:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:37:23,484 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:37:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 04:37:23,995 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [488552011] [2019-11-07 04:37:24,045 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2019-11-07 04:37:24,045 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:37:24,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:37:24,068 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:37:24,070 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 04:37:35,816 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 04:37:37,436 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 04:37:37,579 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:37:37,830 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:37:38,140 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:37:38,508 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:37:38,648 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:37:38,772 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:37:39,034 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:37:39,045 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-11-07 04:37:39,066 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-11-07 04:37:39,351 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:37:39,547 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:37:39,805 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:39,998 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:37:40,132 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:37:40,261 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:40,378 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:37:40,510 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:37:40,648 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:40,806 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:37:40,945 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:37:41,082 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:41,333 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:41,459 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:41,607 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:41,732 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:41,881 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:42,002 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:42,123 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:42,237 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:42,372 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:42,531 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:42,644 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:42,766 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:43,054 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2019-11-07 04:37:43,167 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:37:43,321 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:37:43,524 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2019-11-07 04:37:43,637 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:37:43,761 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:37:43,942 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:37:44,088 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:37:44,230 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:37:44,343 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:37:44,458 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:37:44,583 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:37:44,602 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-11-07 04:37:44,747 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:37:44,864 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:37:45,132 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:45,294 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:37:45,591 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:45,615 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-11-07 04:37:45,801 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:37:46,186 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:46,838 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:37:47,270 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:37:47,706 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 182 [2019-11-07 04:37:48,031 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-11-07 04:37:48,202 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-11-07 04:37:48,393 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2019-11-07 04:37:48,844 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 611 [2019-11-07 04:37:49,121 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 594 [2019-11-07 04:37:49,308 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-11-07 04:37:49,533 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 594 [2019-11-07 04:37:49,709 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 623 [2019-11-07 04:37:49,953 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-11-07 04:37:50,494 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-11-07 04:37:50,706 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 199 [2019-11-07 04:37:51,177 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 174 [2019-11-07 04:37:51,762 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 620 [2019-11-07 04:37:52,174 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 620