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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:22:06,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:22:06,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:22:06,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:22:06,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:22:06,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:22:06,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:22:06,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:22:06,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:22:06,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:22:06,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:22:06,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:22:06,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:22:06,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:22:06,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:22:06,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:22:06,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:22:06,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:22:06,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:22:06,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:22:06,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:22:06,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:22:06,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:22:06,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:22:06,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:22:06,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:22:06,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:22:06,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:22:06,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:22:06,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:22:06,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:22:06,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:22:06,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:22:06,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:22:06,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:22:06,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:22:06,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:22:06,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:22:06,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:22:06,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:22:06,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:22:06,521 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 15:22:06,535 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:22:06,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:22:06,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:22:06,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:22:06,537 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:22:06,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:22:06,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:22:06,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:22:06,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:22:06,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:22:06,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:22:06,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:22:06,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:22:06,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:22:06,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:22:06,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:22:06,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:22:06,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:22:06,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:22:06,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:22:06,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:22:06,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:22:06,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:22:06,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:22:06,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:22:06,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:22:06,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:22:06,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:22:06,543 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 15:22:06,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:22:06,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:22:06,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:22:06,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:22:06,878 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:22:06,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-10-07 15:22:06,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13e981913/01d63ff8bb2646c8b809ad73820d3083/FLAGa19f22e18 [2019-10-07 15:22:07,466 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:22:07,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-10-07 15:22:07,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13e981913/01d63ff8bb2646c8b809ad73820d3083/FLAGa19f22e18 [2019-10-07 15:22:07,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13e981913/01d63ff8bb2646c8b809ad73820d3083 [2019-10-07 15:22:07,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:22:07,781 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:22:07,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:22:07,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:22:07,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:22:07,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:22:07" (1/1) ... [2019-10-07 15:22:07,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4819bea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:07, skipping insertion in model container [2019-10-07 15:22:07,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:22:07" (1/1) ... [2019-10-07 15:22:07,797 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:22:07,861 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:22:08,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:22:08,299 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:22:08,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:22:08,441 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:22:08,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08 WrapperNode [2019-10-07 15:22:08,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:22:08,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:22:08,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:22:08,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:22:08,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08" (1/1) ... [2019-10-07 15:22:08,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08" (1/1) ... [2019-10-07 15:22:08,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08" (1/1) ... [2019-10-07 15:22:08,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08" (1/1) ... [2019-10-07 15:22:08,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08" (1/1) ... [2019-10-07 15:22:08,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08" (1/1) ... [2019-10-07 15:22:08,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08" (1/1) ... [2019-10-07 15:22:08,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:22:08,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:22:08,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:22:08,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:22:08,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08" (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 15:22:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:22:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:22:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:22:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:22:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:22:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:22:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:22:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:22:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:22:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:22:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:22:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:22:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:22:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:22:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:22:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:22:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:22:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:22:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:22:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:22:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:22:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:22:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:22:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:22:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:22:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:22:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:22:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:22:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:22:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:22:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:22:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:22:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:22:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:22:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:22:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:22:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:22:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:22:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:22:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:22:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:22:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:22:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:22:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:22:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:22:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:22:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:22:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:22:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:22:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:22:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:22:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:22:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:22:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:22:10,142 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:22:10,143 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:22:10,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:22:10 BoogieIcfgContainer [2019-10-07 15:22:10,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:22:10,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:22:10,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:22:10,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:22:10,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:22:07" (1/3) ... [2019-10-07 15:22:10,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e26bf03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:22:10, skipping insertion in model container [2019-10-07 15:22:10,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:08" (2/3) ... [2019-10-07 15:22:10,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e26bf03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:22:10, skipping insertion in model container [2019-10-07 15:22:10,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:22:10" (3/3) ... [2019-10-07 15:22:10,153 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2019-10-07 15:22:10,163 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:22:10,172 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:22:10,184 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:22:10,222 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:22:10,223 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:22:10,223 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:22:10,223 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:22:10,225 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:22:10,225 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:22:10,225 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:22:10,225 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:22:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-10-07 15:22:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:22:10,267 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:10,268 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 15:22:10,270 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:10,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:10,282 INFO L82 PathProgramCache]: Analyzing trace with hash -113543230, now seen corresponding path program 1 times [2019-10-07 15:22:10,290 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:10,291 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:10,291 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:10,291 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:10,630 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 15:22:10,634 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:10,635 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:10,637 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:22:10,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:22:10,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:22:10,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:22:10,661 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2019-10-07 15:22:10,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:10,706 INFO L93 Difference]: Finished difference Result 276 states and 337 transitions. [2019-10-07 15:22:10,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:22:10,707 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:22:10,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:10,728 INFO L225 Difference]: With dead ends: 276 [2019-10-07 15:22:10,728 INFO L226 Difference]: Without dead ends: 140 [2019-10-07 15:22:10,739 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 15:22:10,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-07 15:22:10,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-07 15:22:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-07 15:22:10,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-10-07 15:22:10,810 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 52 [2019-10-07 15:22:10,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:10,811 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-10-07 15:22:10,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:22:10,811 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-10-07 15:22:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:22:10,816 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:10,816 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 15:22:10,816 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:10,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:10,817 INFO L82 PathProgramCache]: Analyzing trace with hash 187593135, now seen corresponding path program 1 times [2019-10-07 15:22:10,817 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:10,817 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:10,818 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:10,818 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:10,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:10,961 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 15:22:10,962 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:10,962 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:10,962 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:22:10,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:22:10,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:22:10,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:22:10,965 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2019-10-07 15:22:10,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:10,998 INFO L93 Difference]: Finished difference Result 224 states and 262 transitions. [2019-10-07 15:22:10,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:22:10,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:22:10,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:11,001 INFO L225 Difference]: With dead ends: 224 [2019-10-07 15:22:11,002 INFO L226 Difference]: Without dead ends: 132 [2019-10-07 15:22:11,004 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 15:22:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-07 15:22:11,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-10-07 15:22:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-07 15:22:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2019-10-07 15:22:11,027 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 153 transitions. Word has length 53 [2019-10-07 15:22:11,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:11,028 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 153 transitions. [2019-10-07 15:22:11,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:22:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2019-10-07 15:22:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:22:11,031 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:11,036 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] [2019-10-07 15:22:11,036 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:11,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:11,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1200875707, now seen corresponding path program 1 times [2019-10-07 15:22:11,037 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:11,037 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:11,038 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:11,038 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:11,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:11,244 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 15:22:11,244 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:11,244 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:11,245 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:22:11,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:22:11,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:22:11,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:22:11,246 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. Second operand 7 states. [2019-10-07 15:22:11,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:11,815 INFO L93 Difference]: Finished difference Result 396 states and 476 transitions. [2019-10-07 15:22:11,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:22:11,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-07 15:22:11,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:11,820 INFO L225 Difference]: With dead ends: 396 [2019-10-07 15:22:11,820 INFO L226 Difference]: Without dead ends: 289 [2019-10-07 15:22:11,822 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 15:22:11,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2019-10-07 15:22:11,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 277. [2019-10-07 15:22:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2019-10-07 15:22:11,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 332 transitions. [2019-10-07 15:22:11,882 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 332 transitions. Word has length 57 [2019-10-07 15:22:11,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:11,883 INFO L462 AbstractCegarLoop]: Abstraction has 277 states and 332 transitions. [2019-10-07 15:22:11,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:22:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 332 transitions. [2019-10-07 15:22:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:22:11,895 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:11,895 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] [2019-10-07 15:22:11,895 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:11,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:11,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1189207168, now seen corresponding path program 1 times [2019-10-07 15:22:11,896 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:11,896 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:11,896 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:11,896 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:11,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:12,050 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 15:22:12,051 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:12,051 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:12,051 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:22:12,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:22:12,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:22:12,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:22:12,052 INFO L87 Difference]: Start difference. First operand 277 states and 332 transitions. Second operand 7 states. [2019-10-07 15:22:12,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:12,748 INFO L93 Difference]: Finished difference Result 714 states and 929 transitions. [2019-10-07 15:22:12,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:22:12,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:22:12,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:12,757 INFO L225 Difference]: With dead ends: 714 [2019-10-07 15:22:12,757 INFO L226 Difference]: Without dead ends: 462 [2019-10-07 15:22:12,759 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 15:22:12,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-10-07 15:22:12,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 411. [2019-10-07 15:22:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-10-07 15:22:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 490 transitions. [2019-10-07 15:22:12,828 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 490 transitions. Word has length 61 [2019-10-07 15:22:12,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:12,829 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 490 transitions. [2019-10-07 15:22:12,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:22:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 490 transitions. [2019-10-07 15:22:12,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-07 15:22:12,833 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:12,833 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] [2019-10-07 15:22:12,833 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:12,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:12,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1473797885, now seen corresponding path program 1 times [2019-10-07 15:22:12,834 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:12,835 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:12,835 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:12,835 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:12,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:13,086 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 15:22:13,086 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:13,087 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:13,087 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:22:13,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:22:13,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:22:13,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:22:13,089 INFO L87 Difference]: Start difference. First operand 411 states and 490 transitions. Second operand 12 states. [2019-10-07 15:22:14,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:14,097 INFO L93 Difference]: Finished difference Result 1226 states and 1483 transitions. [2019-10-07 15:22:14,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 15:22:14,097 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2019-10-07 15:22:14,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:14,103 INFO L225 Difference]: With dead ends: 1226 [2019-10-07 15:22:14,104 INFO L226 Difference]: Without dead ends: 840 [2019-10-07 15:22:14,106 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 15:22:14,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2019-10-07 15:22:14,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 818. [2019-10-07 15:22:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2019-10-07 15:22:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 976 transitions. [2019-10-07 15:22:14,168 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 976 transitions. Word has length 84 [2019-10-07 15:22:14,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:14,168 INFO L462 AbstractCegarLoop]: Abstraction has 818 states and 976 transitions. [2019-10-07 15:22:14,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:22:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 976 transitions. [2019-10-07 15:22:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-07 15:22:14,171 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:14,171 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] [2019-10-07 15:22:14,171 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:14,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:14,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1654303858, now seen corresponding path program 1 times [2019-10-07 15:22:14,172 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:14,172 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:14,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:14,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:14,330 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 15:22:14,331 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:14,331 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:14,331 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 15:22:14,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:22:14,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:22:14,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:22:14,332 INFO L87 Difference]: Start difference. First operand 818 states and 976 transitions. Second operand 9 states. [2019-10-07 15:22:15,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:15,275 INFO L93 Difference]: Finished difference Result 2592 states and 3181 transitions. [2019-10-07 15:22:15,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:22:15,278 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2019-10-07 15:22:15,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:15,289 INFO L225 Difference]: With dead ends: 2592 [2019-10-07 15:22:15,289 INFO L226 Difference]: Without dead ends: 1971 [2019-10-07 15:22:15,292 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:22:15,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2019-10-07 15:22:15,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1681. [2019-10-07 15:22:15,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2019-10-07 15:22:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2021 transitions. [2019-10-07 15:22:15,401 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2021 transitions. Word has length 87 [2019-10-07 15:22:15,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:15,402 INFO L462 AbstractCegarLoop]: Abstraction has 1681 states and 2021 transitions. [2019-10-07 15:22:15,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:22:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2021 transitions. [2019-10-07 15:22:15,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 15:22:15,405 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:15,406 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:22:15,406 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:15,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:15,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1996398240, now seen corresponding path program 1 times [2019-10-07 15:22:15,406 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:15,407 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:15,407 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:15,407 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:15,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-07 15:22:15,567 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:15,567 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:22:15,567 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 15:22:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:15,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 15:22:15,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:22:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 39 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:22:15,938 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:22:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 15:22:16,414 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:22:16,444 INFO L162 IcfgInterpreter]: Started Sifa with 93 locations of interest [2019-10-07 15:22:16,445 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:22:16,455 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:22:16,473 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:22:16,474 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:22:25,155 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:22:26,864 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:22:26,998 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:22:27,122 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:22:27,302 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:22:27,731 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:28,010 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:28,240 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:28,493 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:28,880 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:22:29,131 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:29,396 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:29,590 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:29,748 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:29,905 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:29,920 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:22:30,236 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-07 15:22:30,238 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-07 15:22:30,366 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:30,473 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:30,625 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:30,779 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:30,890 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:31,024 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:31,155 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:31,265 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:31,420 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:31,690 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-07 15:22:31,793 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:31,926 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:32,042 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:32,190 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:32,321 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:32,533 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:32,668 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:32,773 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:32,902 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:33,026 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,350 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,587 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:33,749 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,953 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:34,082 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:34,402 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:34,518 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:34,743 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:35,064 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:35,204 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:35,325 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:35,505 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:35,724 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:35,838 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:35,970 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:36,084 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:36,200 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:36,323 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:36,510 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:36,628 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:36,757 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:36,879 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:36,995 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:37,126 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:37,241 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:37,364 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:37,522 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:37,660 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:37,778 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:37,915 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:38,034 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:38,153 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:38,283 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:38,430 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:38,549 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:38,699 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:38,833 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:38,966 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:39,105 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:39,232 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:39,351 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:39,479 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:39,706 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:39,835 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:39,972 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,179 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:40,293 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,419 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,533 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,653 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,775 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,917 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:41,036 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:41,167 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:41,297 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:41,414 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:41,548 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:41,664 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:41,781 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:41,907 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:42,026 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:42,163 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:42,305 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:42,425 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:42,546 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:42,685 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:42,908 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:43,021 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,146 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,356 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:43,471 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,601 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,715 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,829 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,951 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:44,166 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:44,289 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:44,412 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:44,635 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:44,748 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:44,874 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:44,987 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:45,101 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:45,222 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:45,447 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:45,561 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:45,693 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:45,894 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:46,009 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:46,139 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:46,267 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:46,380 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:46,505 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:46,702 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 566 [2019-10-07 15:22:46,816 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:46,942 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:47,165 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 568 [2019-10-07 15:22:47,279 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:47,408 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:47,625 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 568 [2019-10-07 15:22:47,740 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:47,869 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:48,160 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:22:48,286 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:48,419 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:48,638 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:48,752 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:48,877 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:49,081 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:49,194 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:49,327 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:49,443 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:49,557 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:49,679 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,011 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:50,125 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:50,253 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:50,373 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:50,488 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:50,615 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:50,812 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:50,927 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:51,054 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:51,259 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:51,373 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:51,502 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:51,701 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:22:51,817 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:51,948 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:52,422 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:52,552 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:52,677 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:52,891 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:53,004 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:53,131 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:53,347 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:53,460 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:53,586 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:53,791 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:53,903 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:54,027 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:54,144 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:54,258 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:54,381 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:54,522 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:54,637 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:54,765 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:54,888 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:55,003 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:55,136 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:55,352 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:55,466 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:55,597 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:55,805 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:55,919 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:56,044 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:56,157 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:56,270 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:56,391 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:56,520 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:56,634 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:56,761 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:56,973 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:57,087 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:57,215 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:57,410 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:57,523 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:57,647 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:57,844 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:57,956 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:58,084 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:58,088 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-07 15:22:58,291 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:58,414 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:58,534 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:22:58,755 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:58,933 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 548 [2019-10-07 15:22:59,156 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:59,475 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:59,481 INFO L199 IcfgInterpreter]: Interpreting procedure setup with input of size 544 for LOIs [2019-10-07 15:22:59,589 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:59,692 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:00,114 INFO L199 IcfgInterpreter]: Interpreting procedure select_features with input of size 544 for LOIs [2019-10-07 15:23:00,730 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:23:00,831 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:23:00,933 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:23:01,059 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:01,174 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:23:01,277 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:23:01,403 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:01,514 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:23:01,617 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:23:01,742 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:01,850 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:23:01,954 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:23:02,083 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:02,248 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:23:02,537 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:23:02,866 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:23:03,252 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:23:03,522 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:23:03,524 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 15:23:03,530 INFO L168 Benchmark]: Toolchain (without parser) took 55748.51 ms. Allocated memory was 137.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 101.0 MB in the beginning and 585.6 MB in the end (delta: -484.7 MB). Peak memory consumption was 642.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:03,531 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:23:03,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.64 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 167.4 MB in the end (delta: -66.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:03,531 INFO L168 Benchmark]: Boogie Preprocessor took 86.30 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:03,532 INFO L168 Benchmark]: RCFGBuilder took 1615.76 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 163.3 MB in the beginning and 140.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:03,532 INFO L168 Benchmark]: TraceAbstraction took 53382.87 ms. Allocated memory was 231.7 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 140.4 MB in the beginning and 585.6 MB in the end (delta: -445.3 MB). Peak memory consumption was 587.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:03,534 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 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.64 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 167.4 MB in the end (delta: -66.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.30 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1615.76 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 163.3 MB in the beginning and 140.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53382.87 ms. Allocated memory was 231.7 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 140.4 MB in the beginning and 585.6 MB in the end (delta: -445.3 MB). Peak memory consumption was 587.6 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...