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_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:21:57,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:21:57,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:21:57,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:21:57,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:21:57,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:21:57,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:21:57,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:21:57,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:21:57,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:21:57,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:21:57,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:21:57,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:21:57,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:21:57,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:21:57,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:21:57,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:21:57,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:21:57,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:21:57,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:21:57,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:21:57,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:21:57,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:21:57,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:21:57,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:21:57,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:21:57,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:21:57,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:21:57,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:21:57,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:21:57,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:21:57,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:21:57,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:21:57,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:21:57,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:21:57,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:21:57,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:21:57,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:21:57,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:21:57,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:21:57,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:21:57,473 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 15:21:57,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:21:57,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:21:57,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:21:57,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:21:57,503 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:21:57,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:21:57,503 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:21:57,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:21:57,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:21:57,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:21:57,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:21:57,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:21:57,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:21:57,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:21:57,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:21:57,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:21:57,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:21:57,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:21:57,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:21:57,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:21:57,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:21:57,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:21:57,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:21:57,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:21:57,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:21:57,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:21:57,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:21:57,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:21:57,508 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 15:21:57,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:21:57,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:21:57,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:21:57,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:21:57,836 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:21:57,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2019-10-07 15:21:57,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab04cb189/54c892d059754f4594819d6a73d1e38a/FLAGf44a1597e [2019-10-07 15:21:58,511 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:21:58,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2019-10-07 15:21:58,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab04cb189/54c892d059754f4594819d6a73d1e38a/FLAGf44a1597e [2019-10-07 15:21:58,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab04cb189/54c892d059754f4594819d6a73d1e38a [2019-10-07 15:21:58,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:21:58,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:21:58,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:21:58,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:21:58,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:21:58,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:21:58" (1/1) ... [2019-10-07 15:21:58,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:58, skipping insertion in model container [2019-10-07 15:21:58,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:21:58" (1/1) ... [2019-10-07 15:21:58,804 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:21:58,854 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:21:59,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:21:59,309 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:21:59,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:21:59,432 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:21:59,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59 WrapperNode [2019-10-07 15:21:59,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:21:59,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:21:59,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:21:59,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:21:59,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59" (1/1) ... [2019-10-07 15:21:59,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59" (1/1) ... [2019-10-07 15:21:59,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59" (1/1) ... [2019-10-07 15:21:59,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59" (1/1) ... [2019-10-07 15:21:59,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59" (1/1) ... [2019-10-07 15:21:59,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59" (1/1) ... [2019-10-07 15:21:59,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59" (1/1) ... [2019-10-07 15:21:59,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:21:59,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:21:59,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:21:59,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:21:59,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59" (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 15:21:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:21:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:21:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:21:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:21:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:21:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:21:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:21:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:21:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:21:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:21:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:21:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:21:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:21:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:21:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:21:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:21:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:21:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:21:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:21:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:21:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:21:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:21:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:21:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:21:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:21:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:21:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:21:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:21:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:21:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:21:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:21:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:21:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:21:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:21:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:21:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:21:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:21:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:21:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:21:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:21:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:21:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:21:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:21:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:21:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:21:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:21:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:21:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:21:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:21:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:21:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:21:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:21:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:21:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:21:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:21:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:21:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:21:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:21:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:21:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:21:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:21:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:21:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:21:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:21:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:21:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:21:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:21:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:21:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:21:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:21:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:21:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:21:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:21:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:21:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:21:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:21:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:21:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:21:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:21:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:21:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:21:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:21:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:21:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:21:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:21:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:21:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:21:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:22:01,378 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:22:01,380 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:22:01,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:22:01 BoogieIcfgContainer [2019-10-07 15:22:01,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:22:01,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:22:01,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:22:01,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:22:01,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:21:58" (1/3) ... [2019-10-07 15:22:01,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddd2876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:22:01, skipping insertion in model container [2019-10-07 15:22:01,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:59" (2/3) ... [2019-10-07 15:22:01,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddd2876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:22:01, skipping insertion in model container [2019-10-07 15:22:01,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:22:01" (3/3) ... [2019-10-07 15:22:01,392 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2019-10-07 15:22:01,402 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:22:01,413 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:22:01,424 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:22:01,461 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:22:01,461 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:22:01,461 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:22:01,461 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:22:01,461 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:22:01,462 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:22:01,462 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:22:01,462 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:22:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-10-07 15:22:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:22:01,491 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:01,493 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 15:22:01,495 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:01,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:01,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1645885954, now seen corresponding path program 1 times [2019-10-07 15:22:01,510 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:01,511 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:01,511 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:01,511 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:01,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:01,887 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 15:22:01,889 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:01,890 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:01,890 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:22:01,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:22:01,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:22:01,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:22:01,914 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-10-07 15:22:01,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:01,964 INFO L93 Difference]: Finished difference Result 238 states and 291 transitions. [2019-10-07 15:22:01,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:22:01,966 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:22:01,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:01,979 INFO L225 Difference]: With dead ends: 238 [2019-10-07 15:22:01,979 INFO L226 Difference]: Without dead ends: 121 [2019-10-07 15:22:01,985 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 15:22:02,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-07 15:22:02,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-07 15:22:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-07 15:22:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2019-10-07 15:22:02,040 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 52 [2019-10-07 15:22:02,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:02,041 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2019-10-07 15:22:02,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:22:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2019-10-07 15:22:02,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:22:02,046 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:02,046 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 15:22:02,046 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:02,047 INFO L82 PathProgramCache]: Analyzing trace with hash 2118174265, now seen corresponding path program 1 times [2019-10-07 15:22:02,047 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:02,047 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:02,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:02,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:02,214 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 15:22:02,215 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:02,215 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:02,216 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:22:02,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:22:02,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:22:02,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:22:02,220 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 3 states. [2019-10-07 15:22:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:02,271 INFO L93 Difference]: Finished difference Result 189 states and 219 transitions. [2019-10-07 15:22:02,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:22:02,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:22:02,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:02,276 INFO L225 Difference]: With dead ends: 189 [2019-10-07 15:22:02,276 INFO L226 Difference]: Without dead ends: 113 [2019-10-07 15:22:02,282 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 15:22:02,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-07 15:22:02,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-07 15:22:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-07 15:22:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-10-07 15:22:02,304 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 53 [2019-10-07 15:22:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:02,305 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-10-07 15:22:02,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:22:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-10-07 15:22:02,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:22:02,308 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:02,308 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:22:02,308 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:02,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:02,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1290882824, now seen corresponding path program 1 times [2019-10-07 15:22:02,309 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:02,309 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:02,310 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:02,310 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:02,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:02,519 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 15:22:02,520 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:02,520 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:02,520 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:22:02,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:22:02,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:22:02,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:22:02,522 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 7 states. [2019-10-07 15:22:03,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:03,006 INFO L93 Difference]: Finished difference Result 338 states and 404 transitions. [2019-10-07 15:22:03,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:22:03,007 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:22:03,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:03,012 INFO L225 Difference]: With dead ends: 338 [2019-10-07 15:22:03,012 INFO L226 Difference]: Without dead ends: 250 [2019-10-07 15:22:03,013 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 15:22:03,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-07 15:22:03,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2019-10-07 15:22:03,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-10-07 15:22:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 289 transitions. [2019-10-07 15:22:03,052 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 289 transitions. Word has length 56 [2019-10-07 15:22:03,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:03,053 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 289 transitions. [2019-10-07 15:22:03,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:22:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 289 transitions. [2019-10-07 15:22:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:22:03,056 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:03,057 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 15:22:03,057 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:03,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:03,057 INFO L82 PathProgramCache]: Analyzing trace with hash 867884554, now seen corresponding path program 1 times [2019-10-07 15:22:03,058 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:03,058 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:03,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:03,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:03,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:03,279 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 15:22:03,279 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:03,279 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:03,280 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:22:03,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:22:03,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:22:03,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:22:03,281 INFO L87 Difference]: Start difference. First operand 242 states and 289 transitions. Second operand 7 states. [2019-10-07 15:22:04,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:04,035 INFO L93 Difference]: Finished difference Result 624 states and 814 transitions. [2019-10-07 15:22:04,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:22:04,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:22:04,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:04,041 INFO L225 Difference]: With dead ends: 624 [2019-10-07 15:22:04,042 INFO L226 Difference]: Without dead ends: 407 [2019-10-07 15:22:04,044 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:22:04,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-07 15:22:04,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 357. [2019-10-07 15:22:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-10-07 15:22:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 426 transitions. [2019-10-07 15:22:04,096 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 426 transitions. Word has length 61 [2019-10-07 15:22:04,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:04,097 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 426 transitions. [2019-10-07 15:22:04,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:22:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 426 transitions. [2019-10-07 15:22:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 15:22:04,103 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:04,103 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] [2019-10-07 15:22:04,105 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:04,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:04,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1410427275, now seen corresponding path program 1 times [2019-10-07 15:22:04,106 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:04,106 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:04,106 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:04,107 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:04,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:04,430 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 15:22:04,431 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:04,431 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:04,431 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:22:04,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:22:04,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:22:04,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:22:04,433 INFO L87 Difference]: Start difference. First operand 357 states and 426 transitions. Second operand 12 states. [2019-10-07 15:22:05,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:05,316 INFO L93 Difference]: Finished difference Result 1089 states and 1322 transitions. [2019-10-07 15:22:05,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 15:22:05,317 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 78 [2019-10-07 15:22:05,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:05,324 INFO L225 Difference]: With dead ends: 1089 [2019-10-07 15:22:05,324 INFO L226 Difference]: Without dead ends: 757 [2019-10-07 15:22:05,326 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 15:22:05,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2019-10-07 15:22:05,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 735. [2019-10-07 15:22:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-10-07 15:22:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 881 transitions. [2019-10-07 15:22:05,400 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 881 transitions. Word has length 78 [2019-10-07 15:22:05,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:05,401 INFO L462 AbstractCegarLoop]: Abstraction has 735 states and 881 transitions. [2019-10-07 15:22:05,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:22:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 881 transitions. [2019-10-07 15:22:05,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-07 15:22:05,404 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:05,404 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] [2019-10-07 15:22:05,404 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:05,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:05,405 INFO L82 PathProgramCache]: Analyzing trace with hash 98116235, now seen corresponding path program 1 times [2019-10-07 15:22:05,405 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:05,406 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:05,406 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:05,406 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:05,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:05,575 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 15:22:05,575 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:05,575 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:05,576 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 15:22:05,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:22:05,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:22:05,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:22:05,577 INFO L87 Difference]: Start difference. First operand 735 states and 881 transitions. Second operand 9 states. [2019-10-07 15:22:06,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:06,468 INFO L93 Difference]: Finished difference Result 2333 states and 2884 transitions. [2019-10-07 15:22:06,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:22:06,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2019-10-07 15:22:06,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:06,482 INFO L225 Difference]: With dead ends: 2333 [2019-10-07 15:22:06,482 INFO L226 Difference]: Without dead ends: 1782 [2019-10-07 15:22:06,485 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:22:06,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2019-10-07 15:22:06,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1508. [2019-10-07 15:22:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1508 states. [2019-10-07 15:22:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1824 transitions. [2019-10-07 15:22:06,600 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1824 transitions. Word has length 81 [2019-10-07 15:22:06,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:06,600 INFO L462 AbstractCegarLoop]: Abstraction has 1508 states and 1824 transitions. [2019-10-07 15:22:06,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:22:06,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1824 transitions. [2019-10-07 15:22:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 15:22:06,604 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:06,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:06,605 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:06,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:06,605 INFO L82 PathProgramCache]: Analyzing trace with hash 747468582, now seen corresponding path program 1 times [2019-10-07 15:22:06,605 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:06,606 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:06,606 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:06,606 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:06,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:06,772 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 15:22:06,772 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:06,773 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:22:06,773 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 15:22:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:06,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 15:22:06,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:22:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:22:07,108 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:22:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 15:22:07,519 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:22:07,555 INFO L162 IcfgInterpreter]: Started Sifa with 100 locations of interest [2019-10-07 15:22:07,555 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:22:07,563 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:22:07,571 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:22:07,572 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:22:17,441 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:22:19,323 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:22:19,465 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:22:19,593 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:22:19,820 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:22:20,232 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:20,596 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:20,873 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:21,158 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:21,582 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:22:21,791 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:21,929 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:22,076 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:22,218 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:22,344 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:22,354 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:22:22,590 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-07 15:22:22,592 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-07 15:22:22,729 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:22,872 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:23,026 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:23,147 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:23,256 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:23,424 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:23,617 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:23,777 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:23,911 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:24,168 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-07 15:22:24,317 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:24,467 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:24,578 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:24,685 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:24,811 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:24,943 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:25,045 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:25,184 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:25,296 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:25,399 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:25,526 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:25,664 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:25,768 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:25,893 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:26,098 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:26,223 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:26,343 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:26,447 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:26,572 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:26,774 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:26,901 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:27,115 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:27,268 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:27,479 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:27,605 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:27,742 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:27,858 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:28,006 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:28,268 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:28,384 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:28,517 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:28,633 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:28,748 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:28,878 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:29,049 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:29,190 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:29,320 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:29,537 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:29,653 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:29,783 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:29,998 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:30,119 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:30,266 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:30,388 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:30,509 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:30,650 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:30,773 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:30,893 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:31,036 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:31,193 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:31,313 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:31,474 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:31,694 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:22:31,818 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:31,951 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:32,074 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:32,201 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:32,330 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:32,562 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:32,680 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:32,815 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,044 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:33,159 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,299 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,422 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,538 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,661 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,878 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:34,000 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:34,134 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:34,387 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:22:34,509 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:34,646 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:34,855 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:34,972 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:35,102 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:35,317 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 573 [2019-10-07 15:22:35,437 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:35,571 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:35,805 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:22:35,927 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:36,066 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:36,287 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:36,404 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:36,534 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:36,753 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:36,874 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:37,009 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:37,124 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:37,239 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:37,365 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:37,586 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:37,701 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:37,831 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,058 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:38,174 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,308 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,423 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,539 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,663 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,885 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:39,004 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:39,146 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:39,505 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:39,622 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:39,755 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:39,976 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:40,093 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,222 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,434 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:40,550 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,689 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:40,911 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:41,029 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:41,158 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:41,442 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:41,559 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:41,689 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:41,805 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:41,924 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:42,051 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:42,268 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:42,386 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:42,515 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:42,741 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:22:42,861 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:43,005 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:43,225 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:43,342 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:43,471 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:43,688 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 573 [2019-10-07 15:22:43,810 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:43,946 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:44,164 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:22:44,292 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:44,427 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:44,659 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:44,776 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:44,909 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:45,125 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:45,241 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:45,373 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:45,490 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:45,609 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:45,741 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:45,979 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:22:46,097 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:46,228 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:46,350 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:46,467 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:46,602 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:46,821 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:22:46,939 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:47,070 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:47,289 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 573 [2019-10-07 15:22:47,409 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:47,546 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:47,763 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:22:47,884 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:48,017 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:48,533 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:22:48,744 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:48,877 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:49,129 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:22:49,250 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:49,392 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:22:49,620 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:49,736 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:49,864 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,078 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:50,194 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,321 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,437 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,552 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,677 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,811 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:50,930 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:51,061 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:51,279 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:51,403 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:51,534 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:51,744 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:51,862 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:51,990 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:52,208 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 573 [2019-10-07 15:22:52,330 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:52,463 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:22:52,466 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-07 15:22:52,566 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:52,671 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:52,799 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:52,921 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:22:53,024 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:22:53,152 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:53,341 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 548 [2019-10-07 15:22:53,444 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:22:53,578 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:53,903 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:53,909 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:22:54,017 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:22:54,121 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:22:54,247 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:54,366 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:22:54,478 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:22:54,614 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:54,721 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:22:54,825 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:22:54,953 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:55,133 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:55,435 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:55,917 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:56,369 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:56,643 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:22:56,644 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:22:56,650 INFO L168 Benchmark]: Toolchain (without parser) took 57861.02 ms. Allocated memory was 145.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.9 MB in the beginning and 492.9 MB in the end (delta: -391.0 MB). Peak memory consumption was 663.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:56,651 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:22:56,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.68 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 169.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:56,652 INFO L168 Benchmark]: Boogie Preprocessor took 93.77 ms. Allocated memory is still 202.4 MB. Free memory was 169.2 MB in the beginning and 164.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:56,653 INFO L168 Benchmark]: RCFGBuilder took 1854.36 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.7 MB in the beginning and 142.5 MB in the end (delta: 22.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:56,653 INFO L168 Benchmark]: TraceAbstraction took 55264.68 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 964.2 MB). Free memory was 142.5 MB in the beginning and 492.9 MB in the end (delta: -350.3 MB). Peak memory consumption was 613.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:56,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.68 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 169.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.77 ms. Allocated memory is still 202.4 MB. Free memory was 169.2 MB in the beginning and 164.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1854.36 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.7 MB in the beginning and 142.5 MB in the end (delta: 22.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55264.68 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 964.2 MB). Free memory was 142.5 MB in the beginning and 492.9 MB in the end (delta: -350.3 MB). Peak memory consumption was 613.8 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...