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_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:57,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:57,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:57,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:57,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:57,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:57,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:57,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:57,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:57,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:57,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:57,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:57,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:57,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:57,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:57,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:57,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:57,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:57,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:57,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:57,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:57,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:57,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:57,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:57,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:57,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:57,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:57,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:57,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:57,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:57,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:57,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:57,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:57,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:57,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:57,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:57,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:57,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:57,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:57,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:57,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:57,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:20:57,640 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:57,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:57,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:57,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:57,643 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:57,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:57,643 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:57,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:57,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:57,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:57,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:57,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:57,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:57,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:57,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:57,646 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:57,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:57,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:57,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:57,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:57,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:57,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:57,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:57,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:57,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:57,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:57,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:57,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:57,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:57,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:57,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:57,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:57,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:57,959 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:57,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2019-10-07 15:20:58,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3cc83c6/757e561989d64c508a9a58bf12972072/FLAGcf7454cf5 [2019-10-07 15:20:58,669 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:58,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2019-10-07 15:20:58,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3cc83c6/757e561989d64c508a9a58bf12972072/FLAGcf7454cf5 [2019-10-07 15:20:58,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3cc83c6/757e561989d64c508a9a58bf12972072 [2019-10-07 15:20:58,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:58,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:58,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:58,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:58,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:58,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:58" (1/1) ... [2019-10-07 15:20:58,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580f56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:58, skipping insertion in model container [2019-10-07 15:20:58,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:58" (1/1) ... [2019-10-07 15:20:58,930 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:58,993 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:59,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:59,449 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:59,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:59,582 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:59,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59 WrapperNode [2019-10-07 15:20:59,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:59,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:59,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:59,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:59,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2019-10-07 15:20:59,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2019-10-07 15:20:59,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2019-10-07 15:20:59,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2019-10-07 15:20:59,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2019-10-07 15:20:59,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2019-10-07 15:20:59,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... [2019-10-07 15:20:59,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:59,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:59,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:59,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:59,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:20:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:20:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:20:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:20:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:20:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:20:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:20:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:20:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:21:01,485 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:21:01,486 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:21:01,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:21:01 BoogieIcfgContainer [2019-10-07 15:21:01,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:21:01,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:21:01,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:21:01,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:21:01,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:58" (1/3) ... [2019-10-07 15:21:01,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a4a108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:21:01, skipping insertion in model container [2019-10-07 15:21:01,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:59" (2/3) ... [2019-10-07 15:21:01,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a4a108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:21:01, skipping insertion in model container [2019-10-07 15:21:01,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:21:01" (3/3) ... [2019-10-07 15:21:01,498 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2019-10-07 15:21:01,509 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:21:01,523 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:21:01,535 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:21:01,568 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:21:01,569 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:21:01,569 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:21:01,569 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:21:01,569 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:21:01,569 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:21:01,570 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:21:01,570 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:21:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-10-07 15:21:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:21:01,603 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:01,604 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 15:21:01,606 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:01,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:01,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1523300376, now seen corresponding path program 1 times [2019-10-07 15:21:01,622 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:01,622 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:01,622 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:01,623 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:01,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:01,979 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:01,980 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:01,980 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:21:01,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:21:01,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:21:01,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:21:02,000 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-10-07 15:21:02,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:02,039 INFO L93 Difference]: Finished difference Result 238 states and 285 transitions. [2019-10-07 15:21:02,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:21:02,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:21:02,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:02,054 INFO L225 Difference]: With dead ends: 238 [2019-10-07 15:21:02,055 INFO L226 Difference]: Without dead ends: 121 [2019-10-07 15:21:02,060 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 15:21:02,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-07 15:21:02,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-07 15:21:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-07 15:21:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2019-10-07 15:21:02,119 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 52 [2019-10-07 15:21:02,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:02,119 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2019-10-07 15:21:02,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:21:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2019-10-07 15:21:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:21:02,124 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:02,124 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 15:21:02,124 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:02,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:02,125 INFO L82 PathProgramCache]: Analyzing trace with hash 517446173, now seen corresponding path program 1 times [2019-10-07 15:21:02,125 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:02,126 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:02,126 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,126 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:02,277 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 15:21:02,278 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:02,278 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:02,279 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:21:02,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:21:02,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:21:02,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:21:02,283 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 3 states. [2019-10-07 15:21:02,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:02,327 INFO L93 Difference]: Finished difference Result 184 states and 209 transitions. [2019-10-07 15:21:02,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:21:02,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:21:02,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:02,334 INFO L225 Difference]: With dead ends: 184 [2019-10-07 15:21:02,334 INFO L226 Difference]: Without dead ends: 113 [2019-10-07 15:21:02,336 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 15:21:02,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-07 15:21:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-07 15:21:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-07 15:21:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2019-10-07 15:21:02,366 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 53 [2019-10-07 15:21:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:02,367 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2019-10-07 15:21:02,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:21:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2019-10-07 15:21:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:21:02,372 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:02,374 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 15:21:02,374 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:02,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:02,375 INFO L82 PathProgramCache]: Analyzing trace with hash -289649399, now seen corresponding path program 1 times [2019-10-07 15:21:02,375 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:02,375 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:02,375 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,376 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:02,584 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 15:21:02,585 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:02,585 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:02,585 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:21:02,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:21:02,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:21:02,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:21:02,587 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 7 states. [2019-10-07 15:21:03,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:03,047 INFO L93 Difference]: Finished difference Result 339 states and 398 transitions. [2019-10-07 15:21:03,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:21:03,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-07 15:21:03,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:03,051 INFO L225 Difference]: With dead ends: 339 [2019-10-07 15:21:03,051 INFO L226 Difference]: Without dead ends: 251 [2019-10-07 15:21:03,053 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 15:21:03,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-10-07 15:21:03,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 229. [2019-10-07 15:21:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-10-07 15:21:03,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 266 transitions. [2019-10-07 15:21:03,088 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 266 transitions. Word has length 57 [2019-10-07 15:21:03,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:03,089 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 266 transitions. [2019-10-07 15:21:03,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:21:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 266 transitions. [2019-10-07 15:21:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:21:03,092 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:03,092 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 15:21:03,093 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:03,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:03,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1104635173, now seen corresponding path program 1 times [2019-10-07 15:21:03,093 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:03,094 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:03,094 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:03,094 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:03,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:03,205 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 15:21:03,206 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:03,206 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:03,206 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:21:03,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:21:03,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:21:03,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:21:03,208 INFO L87 Difference]: Start difference. First operand 229 states and 266 transitions. Second operand 7 states. [2019-10-07 15:21:03,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:03,938 INFO L93 Difference]: Finished difference Result 583 states and 731 transitions. [2019-10-07 15:21:03,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:21:03,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:21:03,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:03,951 INFO L225 Difference]: With dead ends: 583 [2019-10-07 15:21:03,951 INFO L226 Difference]: Without dead ends: 379 [2019-10-07 15:21:03,957 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 15:21:03,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-10-07 15:21:04,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 334. [2019-10-07 15:21:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-10-07 15:21:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 390 transitions. [2019-10-07 15:21:04,020 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 390 transitions. Word has length 61 [2019-10-07 15:21:04,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:04,021 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 390 transitions. [2019-10-07 15:21:04,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:21:04,021 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 390 transitions. [2019-10-07 15:21:04,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-07 15:21:04,024 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:04,024 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:04,024 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:04,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:04,025 INFO L82 PathProgramCache]: Analyzing trace with hash -484079058, now seen corresponding path program 1 times [2019-10-07 15:21:04,025 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:04,025 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:04,025 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:04,025 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:04,326 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:04,327 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:04,327 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:21:04,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:21:04,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:21:04,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:21:04,328 INFO L87 Difference]: Start difference. First operand 334 states and 390 transitions. Second operand 12 states. [2019-10-07 15:21:05,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:05,445 INFO L93 Difference]: Finished difference Result 1027 states and 1239 transitions. [2019-10-07 15:21:05,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 15:21:05,446 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 87 [2019-10-07 15:21:05,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:05,451 INFO L225 Difference]: With dead ends: 1027 [2019-10-07 15:21:05,452 INFO L226 Difference]: Without dead ends: 718 [2019-10-07 15:21:05,454 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:21:05,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2019-10-07 15:21:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 540. [2019-10-07 15:21:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-10-07 15:21:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 636 transitions. [2019-10-07 15:21:05,509 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 636 transitions. Word has length 87 [2019-10-07 15:21:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:05,510 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 636 transitions. [2019-10-07 15:21:05,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:21:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 636 transitions. [2019-10-07 15:21:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-07 15:21:05,513 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:05,513 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] [2019-10-07 15:21:05,513 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:05,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:05,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1670314107, now seen corresponding path program 1 times [2019-10-07 15:21:05,514 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:05,514 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:05,514 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:05,515 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:05,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:05,661 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 15:21:05,661 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:05,661 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:05,662 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 15:21:05,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:21:05,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:21:05,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:21:05,663 INFO L87 Difference]: Start difference. First operand 540 states and 636 transitions. Second operand 9 states. [2019-10-07 15:21:06,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:06,620 INFO L93 Difference]: Finished difference Result 1638 states and 1994 transitions. [2019-10-07 15:21:06,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:21:06,621 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2019-10-07 15:21:06,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:06,634 INFO L225 Difference]: With dead ends: 1638 [2019-10-07 15:21:06,634 INFO L226 Difference]: Without dead ends: 1266 [2019-10-07 15:21:06,636 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:21:06,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2019-10-07 15:21:06,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1177. [2019-10-07 15:21:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2019-10-07 15:21:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1407 transitions. [2019-10-07 15:21:06,746 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1407 transitions. Word has length 90 [2019-10-07 15:21:06,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:06,747 INFO L462 AbstractCegarLoop]: Abstraction has 1177 states and 1407 transitions. [2019-10-07 15:21:06,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:21:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1407 transitions. [2019-10-07 15:21:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-07 15:21:06,752 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:06,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:21:06,753 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:06,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:06,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1429652080, now seen corresponding path program 1 times [2019-10-07 15:21:06,753 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:06,753 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:06,754 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:06,754 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:06,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:21:06,959 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:06,959 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:21:06,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:21:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:07,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 15:21:07,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:21:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:21:07,383 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:21:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:21:07,782 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:21:07,812 INFO L162 IcfgInterpreter]: Started Sifa with 99 locations of interest [2019-10-07 15:21:07,812 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:21:07,820 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:21:07,828 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:21:07,829 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:21:18,025 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:21:19,925 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:21:20,071 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:21:20,204 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:21:20,465 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:21:20,885 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:21,192 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:21,469 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:21,764 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:22,238 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:21:22,451 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:22,719 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:22,933 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:23,114 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:23,263 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:23,273 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:21:23,582 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-07 15:21:23,584 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-07 15:21:23,811 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:23,954 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:24,114 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:24,234 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:24,343 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:24,518 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:24,660 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:24,773 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:24,904 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:25,248 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-07 15:21:25,363 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:25,501 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:25,632 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:25,735 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:25,897 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:25,999 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:26,105 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:26,262 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:26,364 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:26,484 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:26,640 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:26,742 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:26,846 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:26,996 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:27,338 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:27,447 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:27,562 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:27,687 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:27,792 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:28,029 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:28,161 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:28,390 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:28,605 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:28,730 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:28,888 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,018 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,169 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,376 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:29,491 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,626 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,745 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,881 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:30,039 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:30,189 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:30,315 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:30,444 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:30,574 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:30,695 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:30,829 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:30,958 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:31,077 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:31,206 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:31,324 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:31,440 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:31,576 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:31,694 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:31,815 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:32,022 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:32,165 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:32,285 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:32,418 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:32,643 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:21:32,762 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:32,900 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:33,017 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:33,138 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:33,266 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:33,500 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:33,616 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:33,744 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:33,959 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:34,086 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,221 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,340 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,455 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,580 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,712 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:34,830 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:34,966 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:35,184 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:35,304 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:35,441 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:35,656 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:35,774 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:35,904 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:36,120 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:36,235 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:36,384 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:36,592 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:21:36,712 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:36,852 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:37,070 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:37,188 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:37,315 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:37,530 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:37,649 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:37,778 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:37,897 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:38,016 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:38,141 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:38,365 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:38,486 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:38,630 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:38,848 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:38,965 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,100 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,215 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,335 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,460 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,692 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:39,814 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:39,945 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:40,162 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:40,291 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:40,422 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:40,652 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:40,768 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:40,897 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,122 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:41,237 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,368 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,483 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,602 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,727 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:42,084 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:42,204 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:42,349 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:42,613 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:42,730 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:42,873 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:43,079 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2019-10-07 15:21:43,221 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:43,353 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:43,811 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:21:43,957 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:44,088 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:44,303 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:44,418 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:44,545 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:44,754 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:44,870 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:44,999 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:45,116 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:45,247 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:45,372 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:45,597 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:45,715 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:45,848 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:46,078 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:46,198 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:46,330 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:46,457 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:46,579 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:46,710 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:46,912 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:21:47,031 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:47,162 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:47,374 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:21:47,492 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:47,625 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:47,853 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:21:47,979 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:48,113 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:48,330 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:21:48,451 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:48,585 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:48,799 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:48,922 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:49,050 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:49,256 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:49,376 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:49,502 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:49,621 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:49,736 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:49,863 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:50,001 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:50,118 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:50,253 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:50,466 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:50,583 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:50,713 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:50,921 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:51,037 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:51,165 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:51,375 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:51,500 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:51,629 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:51,839 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:21:51,956 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:52,090 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:52,311 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:52,430 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:52,559 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:52,765 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:52,876 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:53,004 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:53,007 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-07 15:21:53,334 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:53,464 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:53,569 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:53,693 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:53,876 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 548 [2019-10-07 15:21:53,979 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:54,113 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:54,216 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:54,324 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:54,452 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:54,458 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:21:54,562 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:21:54,664 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:21:54,788 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:54,903 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:21:55,005 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:21:55,130 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:55,336 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:21:55,461 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:55,569 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:21:55,692 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:21:55,820 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:55,933 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:21:56,039 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:21:56,169 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2019-10-07 15:21:56,295 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:56,586 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:57,056 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 583 [2019-10-07 15:21:57,290 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 565 [2019-10-07 15:21:57,629 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:57,983 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:58,101 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:58,396 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:58,713 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:58,821 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:59,098 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:59,395 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:59,510 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:59,796 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:00,095 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:00,203 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:00,495 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:00,796 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:00,910 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:01,192 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:01,500 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:01,608 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:01,889 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:02,195 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:02,304 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:02,585 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:02,885 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:02,999 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:03,287 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:03,596 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:03,706 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:03,985 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:04,293 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:04,407 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:04,687 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:04,992 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:05,106 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:05,385 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:05,683 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:05,797 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:06,074 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:06,375 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:06,483 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:06,762 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:22:07,057 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:22:07,448 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:07,903 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:08,329 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:08,774 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:09,203 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:09,626 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:10,071 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:10,510 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:10,940 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:11,370 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:11,816 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:12,241 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:12,671 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:13,124 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:13,544 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:22:13,546 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 15:22:13,552 INFO L168 Benchmark]: Toolchain (without parser) took 74640.01 ms. Allocated memory was 138.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 102.8 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:13,552 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:22:13,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.40 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.4 MB in the beginning and 169.6 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:13,553 INFO L168 Benchmark]: Boogie Preprocessor took 108.80 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 165.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:13,553 INFO L168 Benchmark]: RCFGBuilder took 1794.88 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 145.7 MB in the end (delta: 20.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:13,554 INFO L168 Benchmark]: TraceAbstraction took 72061.62 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 145.7 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:13,555 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.40 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.4 MB in the beginning and 169.6 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.80 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 165.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1794.88 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 145.7 MB in the end (delta: 20.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 72061.62 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 145.7 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 34.4 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...