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_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:21:53,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:21:53,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:21:53,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:21:53,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:21:53,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:21:53,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:21:53,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:21:53,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:21:53,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:21:53,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:21:53,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:21:53,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:21:53,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:21:53,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:21:53,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:21:53,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:21:53,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:21:53,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:21:53,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:21:53,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:21:53,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:21:53,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:21:53,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:21:53,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:21:53,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:21:53,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:21:53,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:21:53,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:21:53,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:21:53,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:21:53,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:21:53,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:21:53,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:21:53,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:21:53,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:21:53,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:21:53,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:21:53,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:21:53,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:21:53,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:21:53,394 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 15:21:53,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:21:53,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:21:53,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:21:53,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:21:53,427 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:21:53,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:21:53,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:21:53,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:21:53,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:21:53,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:21:53,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:21:53,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:21:53,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:21:53,433 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:21:53,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:21:53,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:21:53,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:21:53,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:21:53,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:21:53,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:21:53,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:21:53,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:21:53,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:21:53,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:21:53,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:21:53,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:21:53,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:21:53,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:21:53,437 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 15:21:53,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:21:53,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:21:53,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:21:53,735 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:21:53,735 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:21:53,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2019-10-07 15:21:53,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad5594e6/7cc6b9d874834ee69220e0cb8af0911f/FLAGa0d0426cd [2019-10-07 15:21:54,404 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:21:54,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2019-10-07 15:21:54,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad5594e6/7cc6b9d874834ee69220e0cb8af0911f/FLAGa0d0426cd [2019-10-07 15:21:54,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ad5594e6/7cc6b9d874834ee69220e0cb8af0911f [2019-10-07 15:21:54,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:21:54,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:21:54,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:21:54,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:21:54,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:21:54,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:21:54" (1/1) ... [2019-10-07 15:21:54,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b536ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:54, skipping insertion in model container [2019-10-07 15:21:54,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:21:54" (1/1) ... [2019-10-07 15:21:54,668 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:21:54,728 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:21:55,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:21:55,322 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:21:55,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:21:55,468 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:21:55,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55 WrapperNode [2019-10-07 15:21:55,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:21:55,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:21:55,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:21:55,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:21:55,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55" (1/1) ... [2019-10-07 15:21:55,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55" (1/1) ... [2019-10-07 15:21:55,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55" (1/1) ... [2019-10-07 15:21:55,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55" (1/1) ... [2019-10-07 15:21:55,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55" (1/1) ... [2019-10-07 15:21:55,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55" (1/1) ... [2019-10-07 15:21:55,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55" (1/1) ... [2019-10-07 15:21:55,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:21:55,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:21:55,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:21:55,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:21:55,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55" (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 15:21:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:21:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:21:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:21:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:21:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:21:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:21:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:21:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:21:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:21:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:21:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:21:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:21:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:21:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:21:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:21:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:21:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:21:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:21:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:21:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:21:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:21:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:21:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:21:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:21:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:21:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:21:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:21:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:21:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:21:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:21:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:21:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:21:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:21:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:21:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:21:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:21:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:21:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:21:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:21:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:21:55,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:21:55,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:21:55,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:21:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:21:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:21:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:21:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:21:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:21:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:21:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:21:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:21:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:21:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:21:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:21:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:21:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:21:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:21:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:21:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:21:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:21:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:21:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:21:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:21:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:21:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:21:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:21:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:21:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:21:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:21:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:21:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:21:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:21:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:21:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:21:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:21:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:21:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:21:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:21:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:21:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:21:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:21:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:21:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:21:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:21:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:21:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:21:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:21:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:21:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:21:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:21:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:21:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:21:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:21:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:21:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:21:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:21:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:21:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:21:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:21:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:21:57,253 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:21:57,253 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:21:57,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:21:57 BoogieIcfgContainer [2019-10-07 15:21:57,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:21:57,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:21:57,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:21:57,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:21:57,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:21:54" (1/3) ... [2019-10-07 15:21:57,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57131223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:21:57, skipping insertion in model container [2019-10-07 15:21:57,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:21:55" (2/3) ... [2019-10-07 15:21:57,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57131223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:21:57, skipping insertion in model container [2019-10-07 15:21:57,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:21:57" (3/3) ... [2019-10-07 15:21:57,266 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2019-10-07 15:21:57,277 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:21:57,289 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:21:57,304 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:21:57,340 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:21:57,340 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:21:57,340 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:21:57,340 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:21:57,341 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:21:57,341 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:21:57,341 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:21:57,342 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:21:57,369 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2019-10-07 15:21:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:21:57,383 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:57,385 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:57,388 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:57,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:57,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1086490687, now seen corresponding path program 1 times [2019-10-07 15:21:57,403 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:57,403 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:57,404 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:57,410 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:57,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:57,782 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:57,783 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:57,783 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:21:57,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:21:57,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:21:57,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:21:57,802 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2019-10-07 15:21:57,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:57,842 INFO L93 Difference]: Finished difference Result 258 states and 315 transitions. [2019-10-07 15:21:57,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:21:57,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:21:57,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:57,858 INFO L225 Difference]: With dead ends: 258 [2019-10-07 15:21:57,858 INFO L226 Difference]: Without dead ends: 131 [2019-10-07 15:21:57,863 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:21:57,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-07 15:21:57,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-07 15:21:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-07 15:21:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2019-10-07 15:21:57,924 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 52 [2019-10-07 15:21:57,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:57,925 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2019-10-07 15:21:57,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:21:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2019-10-07 15:21:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:21:57,929 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:57,930 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:57,930 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:57,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:57,931 INFO L82 PathProgramCache]: Analyzing trace with hash -245124710, now seen corresponding path program 1 times [2019-10-07 15:21:57,931 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:57,931 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:57,931 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:57,932 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:58,078 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:58,078 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:58,078 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:21:58,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:21:58,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:21:58,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:21:58,081 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 3 states. [2019-10-07 15:21:58,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:58,125 INFO L93 Difference]: Finished difference Result 206 states and 240 transitions. [2019-10-07 15:21:58,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:21:58,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:21:58,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:58,129 INFO L225 Difference]: With dead ends: 206 [2019-10-07 15:21:58,130 INFO L226 Difference]: Without dead ends: 123 [2019-10-07 15:21:58,132 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:21:58,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-07 15:21:58,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-07 15:21:58,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-07 15:21:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2019-10-07 15:21:58,150 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 53 [2019-10-07 15:21:58,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:58,151 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2019-10-07 15:21:58,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:21:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2019-10-07 15:21:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:21:58,154 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:58,154 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:58,154 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:58,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:58,155 INFO L82 PathProgramCache]: Analyzing trace with hash 180018834, now seen corresponding path program 1 times [2019-10-07 15:21:58,155 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:58,155 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:58,156 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:58,156 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:58,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:58,410 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:58,410 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:58,410 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:21:58,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:21:58,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:21:58,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:21:58,413 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2019-10-07 15:21:58,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:58,977 INFO L93 Difference]: Finished difference Result 369 states and 443 transitions. [2019-10-07 15:21:58,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:21:58,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-07 15:21:58,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:58,982 INFO L225 Difference]: With dead ends: 369 [2019-10-07 15:21:58,982 INFO L226 Difference]: Without dead ends: 271 [2019-10-07 15:21:58,983 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:21:58,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-10-07 15:21:59,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 259. [2019-10-07 15:21:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-10-07 15:21:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 310 transitions. [2019-10-07 15:21:59,058 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 310 transitions. Word has length 57 [2019-10-07 15:21:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:59,058 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 310 transitions. [2019-10-07 15:21:59,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:21:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 310 transitions. [2019-10-07 15:21:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:21:59,063 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:59,063 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 15:21:59,064 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:59,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:59,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1964479830, now seen corresponding path program 1 times [2019-10-07 15:21:59,067 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:59,068 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:59,068 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:59,068 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:21:59,230 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:59,230 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:59,230 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:21:59,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:21:59,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:21:59,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:21:59,231 INFO L87 Difference]: Start difference. First operand 259 states and 310 transitions. Second operand 7 states. [2019-10-07 15:21:59,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:59,945 INFO L93 Difference]: Finished difference Result 678 states and 875 transitions. [2019-10-07 15:21:59,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:21:59,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:21:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:59,951 INFO L225 Difference]: With dead ends: 678 [2019-10-07 15:21:59,951 INFO L226 Difference]: Without dead ends: 444 [2019-10-07 15:21:59,953 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:21:59,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-07 15:21:59,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 393. [2019-10-07 15:21:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2019-10-07 15:21:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 464 transitions. [2019-10-07 15:21:59,998 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 464 transitions. Word has length 61 [2019-10-07 15:21:59,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:59,999 INFO L462 AbstractCegarLoop]: Abstraction has 393 states and 464 transitions. [2019-10-07 15:21:59,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:22:00,004 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 464 transitions. [2019-10-07 15:22:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-07 15:22:00,014 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:00,014 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:22:00,014 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:00,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:00,015 INFO L82 PathProgramCache]: Analyzing trace with hash -247602698, now seen corresponding path program 1 times [2019-10-07 15:22:00,015 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:00,015 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:00,015 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:00,016 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:00,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:00,262 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 15:22:00,262 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:00,263 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:00,263 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:22:00,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:22:00,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:22:00,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:22:00,266 INFO L87 Difference]: Start difference. First operand 393 states and 464 transitions. Second operand 12 states. [2019-10-07 15:22:01,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:01,185 INFO L93 Difference]: Finished difference Result 1170 states and 1427 transitions. [2019-10-07 15:22:01,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 15:22:01,186 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2019-10-07 15:22:01,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:01,192 INFO L225 Difference]: With dead ends: 1170 [2019-10-07 15:22:01,192 INFO L226 Difference]: Without dead ends: 802 [2019-10-07 15:22:01,194 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 15:22:01,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2019-10-07 15:22:01,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 780. [2019-10-07 15:22:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2019-10-07 15:22:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 941 transitions. [2019-10-07 15:22:01,253 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 941 transitions. Word has length 92 [2019-10-07 15:22:01,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:01,254 INFO L462 AbstractCegarLoop]: Abstraction has 780 states and 941 transitions. [2019-10-07 15:22:01,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:22:01,254 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 941 transitions. [2019-10-07 15:22:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-07 15:22:01,257 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:01,257 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:22:01,257 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:01,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:01,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1439103342, now seen corresponding path program 1 times [2019-10-07 15:22:01,258 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:01,258 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:01,258 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:01,258 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:01,410 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 15:22:01,410 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:01,411 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:22:01,411 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 15:22:01,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:22:01,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:22:01,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:22:01,412 INFO L87 Difference]: Start difference. First operand 780 states and 941 transitions. Second operand 9 states. [2019-10-07 15:22:02,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:22:02,459 INFO L93 Difference]: Finished difference Result 2516 states and 3144 transitions. [2019-10-07 15:22:02,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:22:02,460 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2019-10-07 15:22:02,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:22:02,479 INFO L225 Difference]: With dead ends: 2516 [2019-10-07 15:22:02,481 INFO L226 Difference]: Without dead ends: 1923 [2019-10-07 15:22:02,483 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 15:22:02,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2019-10-07 15:22:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1643. [2019-10-07 15:22:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2019-10-07 15:22:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2001 transitions. [2019-10-07 15:22:02,638 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2001 transitions. Word has length 95 [2019-10-07 15:22:02,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:22:02,639 INFO L462 AbstractCegarLoop]: Abstraction has 1643 states and 2001 transitions. [2019-10-07 15:22:02,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:22:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2001 transitions. [2019-10-07 15:22:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 15:22:02,642 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:22:02,643 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:02,643 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:22:02,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:22:02,643 INFO L82 PathProgramCache]: Analyzing trace with hash -825514903, now seen corresponding path program 1 times [2019-10-07 15:22:02,644 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:22:02,644 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:02,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:02,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:22:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:22:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:22:02,794 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:22:02,794 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:22:02,794 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 15:22:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:22:03,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 15:22:03,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:22:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:22:03,165 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:22:03,710 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:22:03,710 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:22:03,739 INFO L162 IcfgInterpreter]: Started Sifa with 108 locations of interest [2019-10-07 15:22:03,739 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:22:03,746 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:22:03,754 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:22:03,754 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:22:13,821 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:22:15,697 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:22:15,857 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:22:16,070 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:22:16,220 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:22:16,520 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:16,819 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:17,155 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:17,423 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:17,815 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:22:17,968 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:18,129 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:18,274 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:18,415 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:18,542 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:22:18,551 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:22:18,760 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-07 15:22:18,879 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:19,020 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:19,168 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:19,282 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:19,617 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:19,737 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:19,846 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:19,983 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:20,228 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-07 15:22:20,366 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:20,513 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:20,627 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:20,851 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:20,971 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:21,077 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:21,214 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:21,534 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:21,643 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:21,769 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:21,892 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:22,215 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:22,429 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:22,554 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:22,874 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:23,202 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:23,333 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:23,440 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:23,563 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:23,707 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:23,823 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:23,952 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:24,179 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:24,293 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:24,427 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:24,541 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:24,655 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:24,777 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:24,988 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:25,144 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:25,296 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:25,542 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:22:25,659 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:25,933 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:26,188 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:26,304 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:26,432 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:26,561 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:26,676 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:26,911 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:27,070 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:27,188 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:27,320 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:27,457 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:27,574 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:27,720 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:27,953 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:22:28,070 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:28,203 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:28,320 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:28,437 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:28,565 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:28,799 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:28,928 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:29,063 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:29,284 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:29,400 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:29,528 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:29,642 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:29,758 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:29,884 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:30,155 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:22:30,273 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:30,407 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:30,546 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:30,665 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:30,802 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:31,013 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:22:31,132 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:31,262 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:31,473 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:31,591 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:31,754 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:31,966 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:22:32,083 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:32,313 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:32,574 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:32,690 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:32,818 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,036 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:33,152 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,284 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,400 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,515 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,641 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:33,870 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:33,989 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:34,120 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:34,331 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:34,446 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:34,574 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:34,690 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:34,806 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:34,931 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:35,182 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:22:35,300 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:35,438 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:35,642 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:35,757 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:35,888 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:36,085 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:36,213 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:36,343 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:36,546 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:22:36,666 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:36,797 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:37,017 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:37,133 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:37,261 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:37,703 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:37,848 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:37,978 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,093 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,211 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,336 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:38,548 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:38,665 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:38,814 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:39,249 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:39,552 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:39,755 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:39,872 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:39,989 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:40,117 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:40,320 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:22:40,440 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:40,572 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:40,788 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:22:40,917 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:41,047 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:41,334 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:22:41,455 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:41,726 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:42,053 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:22:42,172 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:42,305 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:42,527 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:42,644 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:42,772 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:42,982 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:43,098 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,224 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,339 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,455 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,579 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:43,800 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:43,917 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:44,049 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:44,272 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:22:44,391 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:44,520 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:44,717 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:44,834 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:44,961 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:45,165 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:22:45,284 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:45,415 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:45,630 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:22:45,749 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:45,879 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:22:46,131 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:46,246 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:46,372 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:46,591 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:46,707 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:46,834 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:47,054 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:47,170 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:47,299 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:47,508 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:22:47,624 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:47,751 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:47,867 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:47,982 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:48,105 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:48,237 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:48,354 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:48,484 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:48,686 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:22:48,803 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:22:48,942 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:48,946 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-07 15:22:49,049 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:49,154 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:22:49,283 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:49,413 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:22:49,516 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:22:49,642 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:49,821 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 548 [2019-10-07 15:22:49,923 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:22:50,057 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,159 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:22:50,266 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:22:50,391 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,396 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:22:50,499 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:22:50,606 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:22:50,733 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:22:50,852 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:22:50,958 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:22:51,088 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:22:51,344 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:22:51,345 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 15:22:51,352 INFO L168 Benchmark]: Toolchain (without parser) took 56701.56 ms. Allocated memory was 145.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.4 MB in the beginning and 733.6 MB in the end (delta: -632.2 MB). Peak memory consumption was 453.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:51,352 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:22:51,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.09 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 168.1 MB in the end (delta: -66.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:51,353 INFO L168 Benchmark]: Boogie Preprocessor took 115.69 ms. Allocated memory is still 203.4 MB. Free memory was 168.1 MB in the beginning and 164.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:51,354 INFO L168 Benchmark]: RCFGBuilder took 1666.93 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 164.1 MB in the beginning and 142.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:51,354 INFO L168 Benchmark]: TraceAbstraction took 54092.55 ms. Allocated memory was 237.0 MB in the beginning and 1.2 GB in the end (delta: 994.6 MB). Free memory was 142.4 MB in the beginning and 733.6 MB in the end (delta: -591.1 MB). Peak memory consumption was 403.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:51,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 818.09 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 168.1 MB in the end (delta: -66.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.69 ms. Allocated memory is still 203.4 MB. Free memory was 168.1 MB in the beginning and 164.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1666.93 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 164.1 MB in the beginning and 142.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54092.55 ms. Allocated memory was 237.0 MB in the beginning and 1.2 GB in the end (delta: 994.6 MB). Free memory was 142.4 MB in the beginning and 733.6 MB in the end (delta: -591.1 MB). Peak memory consumption was 403.5 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...