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_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:56,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:56,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:56,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:56,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:56,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:56,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:56,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:56,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:56,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:56,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:56,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:56,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:56,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:56,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:56,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:56,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:56,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:56,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:56,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:56,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:56,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:56,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:56,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:56,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:56,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:56,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:56,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:56,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:56,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:56,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:56,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:56,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:56,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:56,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:56,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:56,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:56,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:56,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:56,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:56,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:56,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:20:56,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:56,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:56,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:56,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:56,361 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:56,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:56,362 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:56,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:56,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:56,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:56,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:56,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:56,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:56,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:56,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:56,364 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:56,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:56,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:56,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:56,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:56,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:56,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:56,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:56,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:56,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:56,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:56,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:56,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:56,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:56,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:56,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:56,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:56,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:56,660 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:56,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2019-10-07 15:20:56,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28915d3e/98b38862557d455296c9b2349385b2f6/FLAGf57a95c91 [2019-10-07 15:20:57,243 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:57,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2019-10-07 15:20:57,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28915d3e/98b38862557d455296c9b2349385b2f6/FLAGf57a95c91 [2019-10-07 15:20:57,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28915d3e/98b38862557d455296c9b2349385b2f6 [2019-10-07 15:20:57,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:57,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:57,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:57,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:57,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:57,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:57" (1/1) ... [2019-10-07 15:20:57,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:57, skipping insertion in model container [2019-10-07 15:20:57,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:57" (1/1) ... [2019-10-07 15:20:57,591 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:57,664 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:58,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:58,160 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:58,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:58,273 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:58,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58 WrapperNode [2019-10-07 15:20:58,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:58,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:58,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:58,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:58,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58" (1/1) ... [2019-10-07 15:20:58,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58" (1/1) ... [2019-10-07 15:20:58,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58" (1/1) ... [2019-10-07 15:20:58,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58" (1/1) ... [2019-10-07 15:20:58,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58" (1/1) ... [2019-10-07 15:20:58,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58" (1/1) ... [2019-10-07 15:20:58,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58" (1/1) ... [2019-10-07 15:20:58,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:58,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:58,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:58,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:58,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:20:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:20:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:20:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:20:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:20:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:20:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:21:00,002 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:21:00,002 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:21:00,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:21:00 BoogieIcfgContainer [2019-10-07 15:21:00,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:21:00,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:21:00,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:21:00,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:21:00,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:57" (1/3) ... [2019-10-07 15:21:00,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2548634a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:21:00, skipping insertion in model container [2019-10-07 15:21:00,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58" (2/3) ... [2019-10-07 15:21:00,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2548634a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:21:00, skipping insertion in model container [2019-10-07 15:21:00,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:21:00" (3/3) ... [2019-10-07 15:21:00,012 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2019-10-07 15:21:00,024 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:21:00,033 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:21:00,046 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:21:00,074 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:21:00,075 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:21:00,075 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:21:00,075 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:21:00,075 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:21:00,076 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:21:00,076 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:21:00,076 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:21:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2019-10-07 15:21:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:21:00,107 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:00,108 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:00,111 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:00,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:00,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1536710141, now seen corresponding path program 1 times [2019-10-07 15:21:00,125 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:00,125 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:00,125 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:00,126 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:00,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:00,474 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:00,475 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:00,476 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:21:00,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:21:00,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:21:00,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:21:00,500 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2019-10-07 15:21:00,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:00,564 INFO L93 Difference]: Finished difference Result 222 states and 265 transitions. [2019-10-07 15:21:00,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:21:00,566 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:21:00,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:00,577 INFO L225 Difference]: With dead ends: 222 [2019-10-07 15:21:00,578 INFO L226 Difference]: Without dead ends: 113 [2019-10-07 15:21:00,583 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:21:00,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-07 15:21:00,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-07 15:21:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-07 15:21:00,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 128 transitions. [2019-10-07 15:21:00,646 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 128 transitions. Word has length 52 [2019-10-07 15:21:00,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:00,646 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 128 transitions. [2019-10-07 15:21:00,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:21:00,647 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 128 transitions. [2019-10-07 15:21:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:21:00,656 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:00,656 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:00,656 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:00,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:00,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1784540898, now seen corresponding path program 1 times [2019-10-07 15:21:00,658 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:00,658 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:00,658 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:00,659 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:00,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:00,836 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:00,836 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:00,836 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:21:00,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:21:00,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:21:00,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:21:00,839 INFO L87 Difference]: Start difference. First operand 113 states and 128 transitions. Second operand 3 states. [2019-10-07 15:21:00,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:00,884 INFO L93 Difference]: Finished difference Result 176 states and 199 transitions. [2019-10-07 15:21:00,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:21:00,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:21:00,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:00,889 INFO L225 Difference]: With dead ends: 176 [2019-10-07 15:21:00,889 INFO L226 Difference]: Without dead ends: 105 [2019-10-07 15:21:00,891 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:21:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-07 15:21:00,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-10-07 15:21:00,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-07 15:21:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2019-10-07 15:21:00,905 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 53 [2019-10-07 15:21:00,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:00,905 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2019-10-07 15:21:00,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:21:00,906 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2019-10-07 15:21:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:21:00,908 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:00,908 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:00,909 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:00,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:00,909 INFO L82 PathProgramCache]: Analyzing trace with hash -726809232, now seen corresponding path program 1 times [2019-10-07 15:21:00,910 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:00,910 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:00,910 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:00,910 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:00,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:01,115 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:01,115 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:01,118 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:21:01,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:21:01,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:21:01,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:21:01,119 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand 7 states. [2019-10-07 15:21:01,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:01,427 INFO L93 Difference]: Finished difference Result 185 states and 210 transitions. [2019-10-07 15:21:01,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:21:01,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:21:01,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:01,430 INFO L225 Difference]: With dead ends: 185 [2019-10-07 15:21:01,430 INFO L226 Difference]: Without dead ends: 105 [2019-10-07 15:21:01,431 INFO L606 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 [2019-10-07 15:21:01,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-07 15:21:01,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-10-07 15:21:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-07 15:21:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 116 transitions. [2019-10-07 15:21:01,443 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 116 transitions. Word has length 56 [2019-10-07 15:21:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:01,446 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 116 transitions. [2019-10-07 15:21:01,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:21:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 116 transitions. [2019-10-07 15:21:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 15:21:01,448 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:01,448 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:01,449 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:01,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:01,449 INFO L82 PathProgramCache]: Analyzing trace with hash -334964111, now seen corresponding path program 1 times [2019-10-07 15:21:01,449 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:01,449 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:01,450 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:01,450 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:01,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:01,583 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:01,584 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:01,584 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:21:01,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:21:01,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:21:01,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:21:01,586 INFO L87 Difference]: Start difference. First operand 105 states and 116 transitions. Second operand 5 states. [2019-10-07 15:21:02,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:02,046 INFO L93 Difference]: Finished difference Result 270 states and 316 transitions. [2019-10-07 15:21:02,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:21:02,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-07 15:21:02,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:02,052 INFO L225 Difference]: With dead ends: 270 [2019-10-07 15:21:02,053 INFO L226 Difference]: Without dead ends: 190 [2019-10-07 15:21:02,056 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:21:02,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-10-07 15:21:02,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 173. [2019-10-07 15:21:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-10-07 15:21:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 194 transitions. [2019-10-07 15:21:02,137 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 194 transitions. Word has length 64 [2019-10-07 15:21:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:02,138 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 194 transitions. [2019-10-07 15:21:02,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:21:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 194 transitions. [2019-10-07 15:21:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-07 15:21:02,140 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:02,141 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:02,141 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:02,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:02,142 INFO L82 PathProgramCache]: Analyzing trace with hash -574106843, now seen corresponding path program 1 times [2019-10-07 15:21:02,142 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:02,142 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:02,146 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,146 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:21:02,298 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:02,299 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:02,299 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:21:02,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:21:02,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:21:02,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:21:02,300 INFO L87 Difference]: Start difference. First operand 173 states and 194 transitions. Second operand 7 states. [2019-10-07 15:21:02,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:02,816 INFO L93 Difference]: Finished difference Result 337 states and 390 transitions. [2019-10-07 15:21:02,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:21:02,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-10-07 15:21:02,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:02,820 INFO L225 Difference]: With dead ends: 337 [2019-10-07 15:21:02,820 INFO L226 Difference]: Without dead ends: 189 [2019-10-07 15:21:02,821 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:21:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-10-07 15:21:02,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 172. [2019-10-07 15:21:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-10-07 15:21:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 191 transitions. [2019-10-07 15:21:02,840 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 191 transitions. Word has length 73 [2019-10-07 15:21:02,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:02,841 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 191 transitions. [2019-10-07 15:21:02,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:21:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 191 transitions. [2019-10-07 15:21:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-07 15:21:02,843 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:02,843 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:02,843 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:02,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:02,844 INFO L82 PathProgramCache]: Analyzing trace with hash 158832633, now seen corresponding path program 1 times [2019-10-07 15:21:02,844 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:02,844 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:02,844 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,845 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:03,073 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:03,073 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:03,073 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:21:03,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:21:03,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:21:03,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:21:03,075 INFO L87 Difference]: Start difference. First operand 172 states and 191 transitions. Second operand 12 states. [2019-10-07 15:21:03,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:03,837 INFO L93 Difference]: Finished difference Result 458 states and 526 transitions. [2019-10-07 15:21:03,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 15:21:03,838 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 86 [2019-10-07 15:21:03,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:03,842 INFO L225 Difference]: With dead ends: 458 [2019-10-07 15:21:03,842 INFO L226 Difference]: Without dead ends: 311 [2019-10-07 15:21:03,843 INFO L606 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 [2019-10-07 15:21:03,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-10-07 15:21:03,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 302. [2019-10-07 15:21:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-10-07 15:21:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 344 transitions. [2019-10-07 15:21:03,873 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 344 transitions. Word has length 86 [2019-10-07 15:21:03,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:03,874 INFO L462 AbstractCegarLoop]: Abstraction has 302 states and 344 transitions. [2019-10-07 15:21:03,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:21:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 344 transitions. [2019-10-07 15:21:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-07 15:21:03,876 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:03,876 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:03,876 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:03,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:03,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1598295685, now seen corresponding path program 1 times [2019-10-07 15:21:03,877 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:03,877 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:03,877 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:03,877 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:03,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:04,004 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:04,004 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:04,004 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 15:21:04,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:21:04,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:21:04,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:21:04,005 INFO L87 Difference]: Start difference. First operand 302 states and 344 transitions. Second operand 9 states. [2019-10-07 15:21:04,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:04,862 INFO L93 Difference]: Finished difference Result 940 states and 1100 transitions. [2019-10-07 15:21:04,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:21:04,863 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2019-10-07 15:21:04,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:04,869 INFO L225 Difference]: With dead ends: 940 [2019-10-07 15:21:04,869 INFO L226 Difference]: Without dead ends: 719 [2019-10-07 15:21:04,870 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:21:04,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2019-10-07 15:21:04,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 619. [2019-10-07 15:21:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2019-10-07 15:21:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 711 transitions. [2019-10-07 15:21:04,919 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 711 transitions. Word has length 89 [2019-10-07 15:21:04,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:04,919 INFO L462 AbstractCegarLoop]: Abstraction has 619 states and 711 transitions. [2019-10-07 15:21:04,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:21:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 711 transitions. [2019-10-07 15:21:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-07 15:21:04,922 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:04,922 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:04,922 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:04,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:04,923 INFO L82 PathProgramCache]: Analyzing trace with hash 30443821, now seen corresponding path program 1 times [2019-10-07 15:21:04,923 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:04,923 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:04,923 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:04,924 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:04,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:21:05,053 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:05,053 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:21:05,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:21:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:05,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 15:21:05,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:21:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:21:05,467 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:21:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:21:05,833 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:21:05,869 INFO L162 IcfgInterpreter]: Started Sifa with 98 locations of interest [2019-10-07 15:21:05,869 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:21:05,877 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:21:05,887 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:21:05,888 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:21:13,546 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:21:15,281 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:21:15,446 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:21:15,605 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:21:15,772 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:21:16,093 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:16,317 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:16,533 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:16,762 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:17,292 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:21:17,512 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:17,730 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:17,925 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:18,143 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:18,317 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:18,327 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:21:18,629 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-07 15:21:18,631 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-07 15:21:18,874 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:19,012 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:19,188 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:19,306 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:19,448 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:19,579 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:19,700 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:19,813 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:19,944 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:20,261 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-07 15:21:20,451 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:20,598 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:20,732 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:20,859 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:20,989 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:21,314 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:21,461 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:21,765 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:21,875 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:21,993 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:22,116 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:22,229 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:22,334 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:22,457 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:22,660 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:22,785 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:22,898 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:23,017 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:23,141 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:23,463 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:23,672 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:23,794 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:23,927 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:24,042 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:24,194 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:24,401 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:24,549 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:24,679 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:24,793 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:24,909 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:25,034 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:25,203 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:25,326 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:25,470 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:25,747 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:25,865 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:26,003 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:26,208 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:26,327 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:26,471 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:26,601 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:26,716 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:26,854 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:26,971 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:27,088 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:27,222 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:27,365 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:27,490 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:27,618 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:27,833 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:21:27,949 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:28,134 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:28,248 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:28,375 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:28,509 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:28,740 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:28,854 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:28,986 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,199 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:29,313 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,442 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,555 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,670 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,793 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:30,041 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:30,157 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:30,292 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:30,522 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:30,636 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:30,766 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:30,967 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:31,082 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:31,207 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:31,450 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:21:31,575 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:31,732 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:31,932 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:21:32,049 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:32,197 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:32,420 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:32,546 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:32,676 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:32,884 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:32,997 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:33,127 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:33,240 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:33,353 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:33,475 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:33,702 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:33,816 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:33,944 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,151 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:34,265 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,397 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,512 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,634 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,773 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,995 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:35,110 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:35,238 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:35,453 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:35,568 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:35,699 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:35,913 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:36,026 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:36,157 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:36,358 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:36,471 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:36,596 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:36,978 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:37,091 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:37,216 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:37,481 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:37,595 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:37,729 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:37,842 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:37,957 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:38,082 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:38,299 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:38,414 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:38,544 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:38,759 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:38,873 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:39,001 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:39,213 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:39,327 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:39,454 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:39,654 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:21:39,772 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:39,900 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:40,098 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:21:40,220 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:40,352 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:40,567 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:40,685 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:40,811 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,269 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:41,536 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,689 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,809 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,923 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:42,045 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:42,264 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:42,381 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:42,510 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:42,720 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:42,841 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:42,973 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:43,090 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:43,207 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:43,333 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:43,539 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:43,653 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:43,783 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:43,995 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:21:44,111 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:44,242 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:44,458 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:21:44,574 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:44,704 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:44,912 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:21:45,028 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:45,163 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:45,391 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:45,505 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:45,632 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:45,838 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:45,952 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:46,077 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:46,191 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:46,311 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:46,435 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:46,658 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:46,774 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:46,903 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:47,113 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:47,231 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:47,360 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:47,566 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:47,682 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:47,810 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:48,028 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:48,144 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:48,273 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:48,276 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-07 15:21:48,606 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:48,727 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:48,829 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:48,954 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:49,129 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 548 [2019-10-07 15:21:49,231 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:49,357 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:49,558 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:49,686 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:49,692 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:21:49,799 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:21:49,903 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:21:50,027 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:50,151 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:21:50,255 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:21:50,384 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:50,489 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:21:50,593 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:21:50,725 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:50,833 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:21:50,939 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:21:51,077 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:51,193 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:21:51,300 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:21:51,430 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2019-10-07 15:21:51,579 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:51,865 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:52,257 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 581 [2019-10-07 15:21:52,481 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 565 [2019-10-07 15:21:52,786 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:53,091 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:53,213 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:53,505 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:53,799 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:53,909 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:54,188 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:54,478 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:54,589 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:54,869 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:55,202 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:55,311 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:55,591 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:55,879 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:55,988 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:56,275 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:56,751 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:56,909 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:57,190 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:57,476 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:57,586 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:57,869 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:58,173 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:58,283 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:58,569 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:58,858 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:58,969 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:59,258 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:59,544 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:59,655 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:59,934 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:00,218 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:00,328 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:00,606 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:00,893 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:01,003 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:01,283 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:01,595 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:01,703 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:01,986 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:02,271 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:02,661 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:03,108 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:03,553 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:04,010 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:04,454 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:04,877 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:05,304 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:05,743 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:06,171 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:06,605 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:07,043 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:07,470 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:07,894 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:08,343 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:08,821 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:22:08,823 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:22:08,829 INFO L168 Benchmark]: Toolchain (without parser) took 71251.17 ms. Allocated memory was 138.9 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 102.9 MB in the beginning and 821.5 MB in the end (delta: -718.5 MB). Peak memory consumption was 339.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:08,829 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:22:08,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.27 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 169.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:08,830 INFO L168 Benchmark]: Boogie Preprocessor took 89.79 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 165.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:08,830 INFO L168 Benchmark]: RCFGBuilder took 1639.75 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 146.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:08,830 INFO L168 Benchmark]: TraceAbstraction took 68822.39 ms. Allocated memory was 236.5 MB in the beginning and 1.2 GB in the end (delta: 960.5 MB). Free memory was 146.6 MB in the beginning and 821.5 MB in the end (delta: -674.8 MB). Peak memory consumption was 285.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:08,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.27 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 169.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.79 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 165.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1639.75 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 146.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68822.39 ms. Allocated memory was 236.5 MB in the beginning and 1.2 GB in the end (delta: 960.5 MB). Free memory was 146.6 MB in the beginning and 821.5 MB in the end (delta: -674.8 MB). Peak memory consumption was 285.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...