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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:18:05,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:18:05,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:18:05,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:18:05,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:18:05,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:18:05,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:18:05,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:18:05,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:18:05,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:18:05,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:18:05,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:18:05,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:18:05,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:18:05,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:18:05,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:18:05,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:18:05,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:18:05,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:18:05,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:18:05,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:18:05,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:18:05,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:18:05,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:18:05,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:18:05,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:18:05,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:18:05,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:18:05,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:18:05,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:18:05,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:18:05,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:18:05,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:18:05,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:18:05,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:18:05,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:18:05,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:18:05,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:18:05,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:18:05,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:18:05,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:18:05,200 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 [2019-10-13 23:18:05,214 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:18:05,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:18:05,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:18:05,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:18:05,217 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:18:05,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:18:05,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:18:05,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:18:05,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:18:05,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:18:05,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:18:05,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:18:05,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:18:05,219 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:18:05,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:18:05,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:18:05,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:18:05,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:18:05,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:18:05,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:18:05,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:18:05,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:18:05,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:18:05,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:18:05,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:18:05,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:18:05,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:18:05,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:18:05,223 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 [2019-10-13 23:18:05,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:18:05,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:18:05,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:18:05,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:18:05,526 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:18:05,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-10-13 23:18:05,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ace9fa53/3863a44401ac4e29b86c4db627e50e71/FLAG827db8af3 [2019-10-13 23:18:06,124 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:18:06,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-10-13 23:18:06,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ace9fa53/3863a44401ac4e29b86c4db627e50e71/FLAG827db8af3 [2019-10-13 23:18:06,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ace9fa53/3863a44401ac4e29b86c4db627e50e71 [2019-10-13 23:18:06,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:18:06,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:18:06,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:06,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:18:06,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:18:06,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8fdd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06, skipping insertion in model container [2019-10-13 23:18:06,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,487 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:18:06,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:18:07,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:07,026 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:18:07,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:07,169 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:18:07,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07 WrapperNode [2019-10-13 23:18:07,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:07,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:18:07,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:18:07,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:18:07,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:18:07,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:18:07,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:18:07,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:18:07,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:18:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:18:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:18:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:18:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:18:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:18:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:18:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:18:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:18:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:18:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:18:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:18:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:18:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:18:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:18:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:18:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:18:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:18:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 23:18:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:18:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:18:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:18:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:18:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:18:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:18:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:18:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:18:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:18:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 23:18:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:18:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:18:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:18:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:18:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:18:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:18:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:18:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:18:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:18:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:18:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:18:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:18:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:18:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:18:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:18:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:18:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:18:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:18:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:18:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:18:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:18:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:18:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:18:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:18:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:18:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:18:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:18:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:18:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:18:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:18:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:18:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:18:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:18:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:18:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:18:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:18:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:18:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:18:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:18:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:18:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:18:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 23:18:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:18:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:18:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:18:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:18:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:18:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 23:18:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:18:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:18:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:18:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:18:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:18:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:18:09,101 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:18:09,102 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:18:09,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:09 BoogieIcfgContainer [2019-10-13 23:18:09,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:18:09,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:18:09,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:18:09,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:18:09,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:18:06" (1/3) ... [2019-10-13 23:18:09,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71600c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:09, skipping insertion in model container [2019-10-13 23:18:09,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (2/3) ... [2019-10-13 23:18:09,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71600c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:09, skipping insertion in model container [2019-10-13 23:18:09,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:09" (3/3) ... [2019-10-13 23:18:09,113 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2019-10-13 23:18:09,123 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:18:09,135 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:18:09,147 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:18:09,179 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:18:09,179 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:18:09,180 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:18:09,180 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:18:09,180 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:18:09,180 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:18:09,181 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:18:09,181 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:18:09,206 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-10-13 23:18:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:18:09,216 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:09,217 INFO L380 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] [2019-10-13 23:18:09,219 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:09,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:09,226 INFO L82 PathProgramCache]: Analyzing trace with hash 2063799279, now seen corresponding path program 1 times [2019-10-13 23:18:09,238 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:09,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124677381] [2019-10-13 23:18:09,239 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,239 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:09,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124677381] [2019-10-13 23:18:09,559 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:09,560 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:18:09,560 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903216130] [2019-10-13 23:18:09,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:18:09,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:09,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:18:09,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:09,585 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-10-13 23:18:09,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:09,668 INFO L93 Difference]: Finished difference Result 232 states and 279 transitions. [2019-10-13 23:18:09,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:18:09,670 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:18:09,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:09,689 INFO L225 Difference]: With dead ends: 232 [2019-10-13 23:18:09,689 INFO L226 Difference]: Without dead ends: 118 [2019-10-13 23:18:09,700 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 [2019-10-13 23:18:09,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-13 23:18:09,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-10-13 23:18:09,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-13 23:18:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2019-10-13 23:18:09,789 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 52 [2019-10-13 23:18:09,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:09,790 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2019-10-13 23:18:09,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:18:09,791 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2019-10-13 23:18:09,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:18:09,802 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:09,803 INFO L380 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] [2019-10-13 23:18:09,803 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:09,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:09,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1913978571, now seen corresponding path program 1 times [2019-10-13 23:18:09,804 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:09,804 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709003961] [2019-10-13 23:18:09,804 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,804 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:09,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709003961] [2019-10-13 23:18:09,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:09,982 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:18:09,982 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184525285] [2019-10-13 23:18:09,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:18:09,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:09,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:18:09,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:09,986 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 3 states. [2019-10-13 23:18:10,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:10,024 INFO L93 Difference]: Finished difference Result 186 states and 213 transitions. [2019-10-13 23:18:10,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:18:10,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:18:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:10,029 INFO L225 Difference]: With dead ends: 186 [2019-10-13 23:18:10,029 INFO L226 Difference]: Without dead ends: 110 [2019-10-13 23:18:10,033 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 [2019-10-13 23:18:10,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-10-13 23:18:10,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-10-13 23:18:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-13 23:18:10,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 124 transitions. [2019-10-13 23:18:10,058 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 124 transitions. Word has length 53 [2019-10-13 23:18:10,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:10,058 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 124 transitions. [2019-10-13 23:18:10,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:18:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 124 transitions. [2019-10-13 23:18:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:18:10,063 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:10,064 INFO L380 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] [2019-10-13 23:18:10,064 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:10,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:10,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1791567053, now seen corresponding path program 1 times [2019-10-13 23:18:10,065 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:10,065 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545430398] [2019-10-13 23:18:10,065 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,066 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:10,302 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545430398] [2019-10-13 23:18:10,302 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:10,302 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:10,302 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655912763] [2019-10-13 23:18:10,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:10,305 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:10,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:10,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:10,306 INFO L87 Difference]: Start difference. First operand 110 states and 124 transitions. Second operand 7 states. [2019-10-13 23:18:10,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:10,677 INFO L93 Difference]: Finished difference Result 195 states and 224 transitions. [2019-10-13 23:18:10,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:18:10,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 23:18:10,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:10,682 INFO L225 Difference]: With dead ends: 195 [2019-10-13 23:18:10,682 INFO L226 Difference]: Without dead ends: 110 [2019-10-13 23:18:10,685 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 [2019-10-13 23:18:10,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-10-13 23:18:10,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-10-13 23:18:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-13 23:18:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 123 transitions. [2019-10-13 23:18:10,707 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 123 transitions. Word has length 56 [2019-10-13 23:18:10,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:10,712 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 123 transitions. [2019-10-13 23:18:10,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 123 transitions. [2019-10-13 23:18:10,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-13 23:18:10,715 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:10,715 INFO L380 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] [2019-10-13 23:18:10,716 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:10,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:10,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1490175313, now seen corresponding path program 1 times [2019-10-13 23:18:10,717 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:10,717 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237845526] [2019-10-13 23:18:10,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:10,870 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237845526] [2019-10-13 23:18:10,870 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:10,870 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:18:10,871 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610056001] [2019-10-13 23:18:10,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:18:10,871 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:10,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:18:10,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:18:10,872 INFO L87 Difference]: Start difference. First operand 110 states and 123 transitions. Second operand 5 states. [2019-10-13 23:18:11,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:11,398 INFO L93 Difference]: Finished difference Result 289 states and 342 transitions. [2019-10-13 23:18:11,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:18:11,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-10-13 23:18:11,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:11,406 INFO L225 Difference]: With dead ends: 289 [2019-10-13 23:18:11,406 INFO L226 Difference]: Without dead ends: 204 [2019-10-13 23:18:11,407 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:18:11,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-10-13 23:18:11,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 187. [2019-10-13 23:18:11,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-10-13 23:18:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 209 transitions. [2019-10-13 23:18:11,445 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 209 transitions. Word has length 69 [2019-10-13 23:18:11,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:11,446 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 209 transitions. [2019-10-13 23:18:11,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:18:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 209 transitions. [2019-10-13 23:18:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-13 23:18:11,449 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:11,450 INFO L380 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] [2019-10-13 23:18:11,451 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:11,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:11,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1638628094, now seen corresponding path program 1 times [2019-10-13 23:18:11,451 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:11,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440966181] [2019-10-13 23:18:11,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:11,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:11,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:11,730 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440966181] [2019-10-13 23:18:11,731 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:11,731 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 23:18:11,731 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852235257] [2019-10-13 23:18:11,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 23:18:11,732 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:11,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 23:18:11,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:18:11,733 INFO L87 Difference]: Start difference. First operand 187 states and 209 transitions. Second operand 12 states. [2019-10-13 23:18:12,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:12,797 INFO L93 Difference]: Finished difference Result 503 states and 578 transitions. [2019-10-13 23:18:12,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 23:18:12,798 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 78 [2019-10-13 23:18:12,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:12,804 INFO L225 Difference]: With dead ends: 503 [2019-10-13 23:18:12,804 INFO L226 Difference]: Without dead ends: 341 [2019-10-13 23:18:12,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-10-13 23:18:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-10-13 23:18:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 329. [2019-10-13 23:18:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-10-13 23:18:12,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 377 transitions. [2019-10-13 23:18:12,840 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 377 transitions. Word has length 78 [2019-10-13 23:18:12,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:12,840 INFO L462 AbstractCegarLoop]: Abstraction has 329 states and 377 transitions. [2019-10-13 23:18:12,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 23:18:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 377 transitions. [2019-10-13 23:18:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-13 23:18:12,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:12,842 INFO L380 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] [2019-10-13 23:18:12,842 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:12,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:12,843 INFO L82 PathProgramCache]: Analyzing trace with hash -630120691, now seen corresponding path program 1 times [2019-10-13 23:18:12,843 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:12,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614454486] [2019-10-13 23:18:12,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:12,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:12,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:18:12,924 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614454486] [2019-10-13 23:18:12,924 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:12,925 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:12,925 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418501914] [2019-10-13 23:18:12,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:12,926 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:12,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:12,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:12,926 INFO L87 Difference]: Start difference. First operand 329 states and 377 transitions. Second operand 7 states. [2019-10-13 23:18:13,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:13,567 INFO L93 Difference]: Finished difference Result 661 states and 783 transitions. [2019-10-13 23:18:13,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 23:18:13,568 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2019-10-13 23:18:13,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:13,572 INFO L225 Difference]: With dead ends: 661 [2019-10-13 23:18:13,572 INFO L226 Difference]: Without dead ends: 357 [2019-10-13 23:18:13,573 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:18:13,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-10-13 23:18:13,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 326. [2019-10-13 23:18:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-10-13 23:18:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 368 transitions. [2019-10-13 23:18:13,606 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 368 transitions. Word has length 78 [2019-10-13 23:18:13,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:13,606 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 368 transitions. [2019-10-13 23:18:13,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 368 transitions. [2019-10-13 23:18:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-13 23:18:13,608 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:13,608 INFO L380 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] [2019-10-13 23:18:13,608 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:13,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1700113218, now seen corresponding path program 1 times [2019-10-13 23:18:13,609 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:13,609 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962865985] [2019-10-13 23:18:13,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:13,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:13,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:13,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962865985] [2019-10-13 23:18:13,792 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:13,793 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:18:13,793 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343230169] [2019-10-13 23:18:13,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:18:13,793 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:13,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:18:13,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:18:13,794 INFO L87 Difference]: Start difference. First operand 326 states and 368 transitions. Second operand 9 states. [2019-10-13 23:18:14,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:14,665 INFO L93 Difference]: Finished difference Result 999 states and 1158 transitions. [2019-10-13 23:18:14,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:18:14,666 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2019-10-13 23:18:14,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:14,671 INFO L225 Difference]: With dead ends: 999 [2019-10-13 23:18:14,672 INFO L226 Difference]: Without dead ends: 759 [2019-10-13 23:18:14,673 INFO L600 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 [2019-10-13 23:18:14,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2019-10-13 23:18:14,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 654. [2019-10-13 23:18:14,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2019-10-13 23:18:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 746 transitions. [2019-10-13 23:18:14,724 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 746 transitions. Word has length 81 [2019-10-13 23:18:14,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:14,724 INFO L462 AbstractCegarLoop]: Abstraction has 654 states and 746 transitions. [2019-10-13 23:18:14,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:18:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 746 transitions. [2019-10-13 23:18:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 23:18:14,726 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:14,727 INFO L380 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] [2019-10-13 23:18:14,727 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:14,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:14,727 INFO L82 PathProgramCache]: Analyzing trace with hash -883352107, now seen corresponding path program 1 times [2019-10-13 23:18:14,728 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:14,728 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912332246] [2019-10-13 23:18:14,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:14,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:14,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 23:18:14,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912332246] [2019-10-13 23:18:14,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251334248] [2019-10-13 23:18:14,892 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 [2019-10-13 23:18:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:15,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 23:18:15,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:18:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:18:15,344 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:18:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 23:18:15,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1555078032] [2019-10-13 23:18:15,743 INFO L162 IcfgInterpreter]: Started Sifa with 100 locations of interest [2019-10-13 23:18:15,743 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:18:15,750 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:18:15,757 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:18:15,758 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:18:25,421 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-13 23:18:27,154 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-13 23:18:27,305 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:18:27,442 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:18:27,581 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:18:27,863 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:28,070 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:28,294 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:28,515 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:28,885 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-13 23:18:29,072 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:29,205 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:29,338 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:29,472 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:29,586 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:29,596 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-13 23:18:29,889 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-13 23:18:29,890 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-13 23:18:30,008 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,155 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,367 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:30,490 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,608 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,778 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:30,918 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:31,021 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:31,155 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:31,405 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-13 23:18:31,527 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:31,687 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:31,817 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:31,920 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:32,075 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:32,178 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:32,287 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:32,412 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:32,527 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:32,641 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:32,809 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:33,013 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:33,140 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:33,243 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:33,483 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:33,585 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:33,688 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:33,815 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:34,019 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:34,151 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:34,283 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:34,386 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:34,533 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:34,754 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:34,882 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:35,023 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:35,155 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:35,305 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:35,701 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:35,846 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:35,976 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:36,093 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:36,223 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:36,364 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:36,531 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:36,647 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:36,782 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:37,029 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:18:37,146 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:37,290 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:37,504 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-13 23:18:37,620 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:37,749 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:37,868 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:37,994 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:38,131 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:38,264 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:38,380 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:38,538 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:38,678 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:38,804 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:38,933 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:39,153 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-13 23:18:39,273 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:39,405 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:39,521 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:39,638 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:39,770 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:40,005 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:40,124 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:40,264 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:40,480 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:40,599 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:40,735 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:40,849 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:40,967 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:41,099 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:41,331 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:18:41,448 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:41,582 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:41,713 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:41,831 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:41,962 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:42,184 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:18:42,301 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:42,445 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:42,646 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-13 23:18:42,765 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:42,905 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:43,114 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-13 23:18:43,235 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:43,369 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:43,608 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:43,723 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:43,857 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,062 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:44,178 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,308 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,435 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,549 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,684 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,898 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:45,012 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:45,140 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:45,343 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:45,460 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:45,587 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:45,813 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:45,926 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:46,053 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:46,267 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:46,386 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:46,515 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:46,629 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:46,746 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:46,883 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:47,019 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:47,135 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:47,264 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568