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_spec2_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:37,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:37,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:37,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:37,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:37,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:37,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:37,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:37,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:37,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:37,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:37,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:37,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:37,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:37,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:37,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:37,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:37,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:37,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:37,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:37,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:37,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:37,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:37,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:37,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:37,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:37,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:37,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:37,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:37,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:37,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:37,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:37,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:37,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:37,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:37,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:37,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:37,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:37,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:37,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:37,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:37,688 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 15:17:37,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:37,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:37,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:37,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:37,703 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:37,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:37,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:37,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:37,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:37,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:37,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:37,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:37,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:37,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:37,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:37,706 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:37,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:37,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:37,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:37,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:37,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:37,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:37,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:37,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:37,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:37,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:37,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:37,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:37,708 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 15:17:38,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:38,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:38,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:38,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:38,076 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:38,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2019-10-07 15:17:38,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaaf8de00/b0f4f6ae25604e568d03bea484ddd05c/FLAGdce40a08b [2019-10-07 15:17:38,645 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:38,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2019-10-07 15:17:38,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaaf8de00/b0f4f6ae25604e568d03bea484ddd05c/FLAGdce40a08b [2019-10-07 15:17:38,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaaf8de00/b0f4f6ae25604e568d03bea484ddd05c [2019-10-07 15:17:38,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:38,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:38,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:38,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:38,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:38,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:38" (1/1) ... [2019-10-07 15:17:38,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:38, skipping insertion in model container [2019-10-07 15:17:38,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:38" (1/1) ... [2019-10-07 15:17:39,006 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:39,075 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:39,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:39,635 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:39,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:39,763 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:39,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39 WrapperNode [2019-10-07 15:17:39,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:39,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:39,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:39,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:39,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39" (1/1) ... [2019-10-07 15:17:39,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39" (1/1) ... [2019-10-07 15:17:39,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39" (1/1) ... [2019-10-07 15:17:39,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39" (1/1) ... [2019-10-07 15:17:39,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39" (1/1) ... [2019-10-07 15:17:39,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39" (1/1) ... [2019-10-07 15:17:39,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39" (1/1) ... [2019-10-07 15:17:39,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:39,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:39,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:39,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:39,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39" (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 15:17:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:17:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:17:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:17:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:17:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:17:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:17:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:17:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:17:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:41,598 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:41,598 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:41,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:41 BoogieIcfgContainer [2019-10-07 15:17:41,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:41,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:41,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:41,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:41,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:38" (1/3) ... [2019-10-07 15:17:41,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2830472e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:41, skipping insertion in model container [2019-10-07 15:17:41,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:39" (2/3) ... [2019-10-07 15:17:41,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2830472e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:41, skipping insertion in model container [2019-10-07 15:17:41,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:41" (3/3) ... [2019-10-07 15:17:41,612 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2019-10-07 15:17:41,625 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:41,637 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:41,648 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:41,684 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:41,684 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:41,684 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:41,684 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:41,685 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:41,685 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:41,685 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:41,685 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-10-07 15:17:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:41,729 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:41,730 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:41,733 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:41,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:41,740 INFO L82 PathProgramCache]: Analyzing trace with hash 2121098684, now seen corresponding path program 1 times [2019-10-07 15:17:41,749 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:41,750 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:41,751 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:41,754 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:41,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:42,054 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:42,055 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:42,055 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:42,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:42,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:42,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:42,076 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2019-10-07 15:17:42,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:42,120 INFO L93 Difference]: Finished difference Result 252 states and 307 transitions. [2019-10-07 15:17:42,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:42,121 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:42,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:42,134 INFO L225 Difference]: With dead ends: 252 [2019-10-07 15:17:42,134 INFO L226 Difference]: Without dead ends: 128 [2019-10-07 15:17:42,139 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 15:17:42,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-10-07 15:17:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-10-07 15:17:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-07 15:17:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2019-10-07 15:17:42,198 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 46 [2019-10-07 15:17:42,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:42,199 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2019-10-07 15:17:42,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2019-10-07 15:17:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:42,203 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:42,203 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:42,204 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:42,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:42,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1668927638, now seen corresponding path program 1 times [2019-10-07 15:17:42,205 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:42,205 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:42,205 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:42,205 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:42,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:42,390 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:42,390 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:42,390 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:42,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:42,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:42,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:42,395 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2019-10-07 15:17:42,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:42,439 INFO L93 Difference]: Finished difference Result 203 states and 235 transitions. [2019-10-07 15:17:42,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:42,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:42,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:42,444 INFO L225 Difference]: With dead ends: 203 [2019-10-07 15:17:42,444 INFO L226 Difference]: Without dead ends: 120 [2019-10-07 15:17:42,448 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 15:17:42,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-07 15:17:42,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-07 15:17:42,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-07 15:17:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2019-10-07 15:17:42,464 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 47 [2019-10-07 15:17:42,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:42,465 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2019-10-07 15:17:42,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2019-10-07 15:17:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:17:42,468 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:42,468 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:42,469 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:42,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:42,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1914137400, now seen corresponding path program 1 times [2019-10-07 15:17:42,469 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:42,470 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:42,470 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:42,470 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:42,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:42,672 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:42,672 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:42,672 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:42,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:42,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:42,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:42,673 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand 7 states. [2019-10-07 15:17:43,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:43,166 INFO L93 Difference]: Finished difference Result 355 states and 423 transitions. [2019-10-07 15:17:43,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:43,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:17:43,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:43,175 INFO L225 Difference]: With dead ends: 355 [2019-10-07 15:17:43,176 INFO L226 Difference]: Without dead ends: 260 [2019-10-07 15:17:43,177 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 15:17:43,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-10-07 15:17:43,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 252. [2019-10-07 15:17:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2019-10-07 15:17:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 300 transitions. [2019-10-07 15:17:43,246 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 300 transitions. Word has length 50 [2019-10-07 15:17:43,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:43,247 INFO L462 AbstractCegarLoop]: Abstraction has 252 states and 300 transitions. [2019-10-07 15:17:43,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 300 transitions. [2019-10-07 15:17:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:17:43,259 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:43,259 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:43,259 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:43,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:43,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1762879004, now seen corresponding path program 1 times [2019-10-07 15:17:43,260 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:43,260 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:43,260 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:43,261 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:43,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:43,425 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:43,425 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:43,426 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:43,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:43,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:43,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:43,427 INFO L87 Difference]: Start difference. First operand 252 states and 300 transitions. Second operand 6 states. [2019-10-07 15:17:43,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:43,655 INFO L93 Difference]: Finished difference Result 688 states and 837 transitions. [2019-10-07 15:17:43,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:43,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-07 15:17:43,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:43,660 INFO L225 Difference]: With dead ends: 688 [2019-10-07 15:17:43,660 INFO L226 Difference]: Without dead ends: 461 [2019-10-07 15:17:43,662 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:17:43,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-10-07 15:17:43,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 449. [2019-10-07 15:17:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-10-07 15:17:43,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 537 transitions. [2019-10-07 15:17:43,705 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 537 transitions. Word has length 55 [2019-10-07 15:17:43,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:43,706 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 537 transitions. [2019-10-07 15:17:43,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 537 transitions. [2019-10-07 15:17:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:17:43,709 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:43,709 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:43,709 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:43,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:43,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1307041602, now seen corresponding path program 1 times [2019-10-07 15:17:43,710 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:43,710 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:43,710 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:43,710 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:43,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:43,835 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:43,836 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:43,836 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:43,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:43,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:43,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:43,838 INFO L87 Difference]: Start difference. First operand 449 states and 537 transitions. Second operand 7 states. [2019-10-07 15:17:44,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:44,437 INFO L93 Difference]: Finished difference Result 1167 states and 1516 transitions. [2019-10-07 15:17:44,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:44,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-07 15:17:44,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:44,443 INFO L225 Difference]: With dead ends: 1167 [2019-10-07 15:17:44,444 INFO L226 Difference]: Without dead ends: 743 [2019-10-07 15:17:44,446 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 15:17:44,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2019-10-07 15:17:44,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 656. [2019-10-07 15:17:44,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2019-10-07 15:17:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 784 transitions. [2019-10-07 15:17:44,500 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 784 transitions. Word has length 58 [2019-10-07 15:17:44,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:44,501 INFO L462 AbstractCegarLoop]: Abstraction has 656 states and 784 transitions. [2019-10-07 15:17:44,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 784 transitions. [2019-10-07 15:17:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-07 15:17:44,504 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:44,504 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] [2019-10-07 15:17:44,504 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:44,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:44,505 INFO L82 PathProgramCache]: Analyzing trace with hash 604340709, now seen corresponding path program 1 times [2019-10-07 15:17:44,505 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:44,505 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:44,505 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:44,505 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:44,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:17:44,707 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:44,708 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:44,708 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 15:17:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:44,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 15:17:44,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:44,972 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 15:17:44,972 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:45,124 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 15:17:45,125 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:17:45,125 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-07 15:17:45,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:45,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:45,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:45,128 INFO L87 Difference]: Start difference. First operand 656 states and 784 transitions. Second operand 3 states. [2019-10-07 15:17:45,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:45,206 INFO L93 Difference]: Finished difference Result 930 states and 1137 transitions. [2019-10-07 15:17:45,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:45,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-07 15:17:45,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:45,213 INFO L225 Difference]: With dead ends: 930 [2019-10-07 15:17:45,214 INFO L226 Difference]: Without dead ends: 927 [2019-10-07 15:17:45,215 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:45,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2019-10-07 15:17:45,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 899. [2019-10-07 15:17:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2019-10-07 15:17:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1100 transitions. [2019-10-07 15:17:45,277 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1100 transitions. Word has length 88 [2019-10-07 15:17:45,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:45,277 INFO L462 AbstractCegarLoop]: Abstraction has 899 states and 1100 transitions. [2019-10-07 15:17:45,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:45,278 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1100 transitions. [2019-10-07 15:17:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 15:17:45,283 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:45,283 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:45,488 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:45,489 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:45,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:45,490 INFO L82 PathProgramCache]: Analyzing trace with hash 45988478, now seen corresponding path program 1 times [2019-10-07 15:17:45,491 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:45,491 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:45,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:45,492 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:45,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 15:17:45,803 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:45,804 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:46,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:46,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 15:17:46,105 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:17:46,854 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:46,854 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-07 15:17:46,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:46,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:46,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:17:46,856 INFO L87 Difference]: Start difference. First operand 899 states and 1100 transitions. Second operand 11 states. [2019-10-07 15:17:47,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:47,854 INFO L93 Difference]: Finished difference Result 2052 states and 2602 transitions. [2019-10-07 15:17:47,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:47,854 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 140 [2019-10-07 15:17:47,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:47,862 INFO L225 Difference]: With dead ends: 2052 [2019-10-07 15:17:47,862 INFO L226 Difference]: Without dead ends: 1178 [2019-10-07 15:17:47,866 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:47,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2019-10-07 15:17:47,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1154. [2019-10-07 15:17:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2019-10-07 15:17:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1405 transitions. [2019-10-07 15:17:47,933 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1405 transitions. Word has length 140 [2019-10-07 15:17:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:47,934 INFO L462 AbstractCegarLoop]: Abstraction has 1154 states and 1405 transitions. [2019-10-07 15:17:47,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1405 transitions. [2019-10-07 15:17:47,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 15:17:47,939 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:47,939 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:48,152 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:48,153 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:48,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:48,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1417284751, now seen corresponding path program 1 times [2019-10-07 15:17:48,155 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:48,155 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:48,155 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:48,156 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:48,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-10-07 15:17:48,467 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:48,467 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:48,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:48,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 33 conjunts are in the unsatisfiable core [2019-10-07 15:17:48,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:48,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:48,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:48,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-07 15:17:49,035 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:49,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-10-07 15:17:50,756 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:50,756 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14, 13] total 35 [2019-10-07 15:17:50,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:17:50,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:17:50,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1039, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:17:50,758 INFO L87 Difference]: Start difference. First operand 1154 states and 1405 transitions. Second operand 14 states. [2019-10-07 15:17:53,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:53,059 INFO L93 Difference]: Finished difference Result 3117 states and 3933 transitions. [2019-10-07 15:17:53,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-07 15:17:53,059 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 186 [2019-10-07 15:17:53,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:53,073 INFO L225 Difference]: With dead ends: 3117 [2019-10-07 15:17:53,073 INFO L226 Difference]: Without dead ends: 1988 [2019-10-07 15:17:53,079 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 349 SyntacticMatches, 8 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=386, Invalid=2476, Unknown=0, NotChecked=0, Total=2862 [2019-10-07 15:17:53,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2019-10-07 15:17:53,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1858. [2019-10-07 15:17:53,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1858 states. [2019-10-07 15:17:53,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2280 transitions. [2019-10-07 15:17:53,192 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2280 transitions. Word has length 186 [2019-10-07 15:17:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:53,193 INFO L462 AbstractCegarLoop]: Abstraction has 1858 states and 2280 transitions. [2019-10-07 15:17:53,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:17:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2280 transitions. [2019-10-07 15:17:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-07 15:17:53,201 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:53,201 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:53,412 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:53,413 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:53,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:53,413 INFO L82 PathProgramCache]: Analyzing trace with hash 95366147, now seen corresponding path program 1 times [2019-10-07 15:17:53,414 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:53,414 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:53,414 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:53,414 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:53,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 39 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-07 15:17:53,875 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:53,875 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:53,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:54,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 56 conjunts are in the unsatisfiable core [2019-10-07 15:17:54,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:54,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:54,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:54,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 92 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-07 15:17:54,483 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:54,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:54,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-10-07 15:17:55,906 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:17:55,938 INFO L162 IcfgInterpreter]: Started Sifa with 110 locations of interest [2019-10-07 15:17:55,938 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:17:55,944 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:17:55,950 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:17:55,950 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:18:06,679 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:18:08,395 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:18:08,529 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:18:08,658 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:18:08,789 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:18:09,164 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:09,412 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:09,619 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:09,825 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:10,321 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:18:10,532 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:10,721 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:10,941 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:11,245 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:11,404 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:11,412 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:18:11,668 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 550 for LOIs [2019-10-07 15:18:11,778 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:11,893 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:12,106 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:12,228 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:12,331 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:12,470 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:12,598 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:12,726 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:12,866 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,130 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 550 [2019-10-07 15:18:13,393 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,541 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:13,642 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:13,764 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:14,085 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:14,212 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:14,324 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:14,445 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:14,765 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:14,976 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:15,132 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,450 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,653 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:15,773 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,899 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:16,002 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:16,124 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:16,226 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:16,448 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:16,588 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:16,703 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:16,867 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:17,074 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:17,185 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:17,314 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:17,425 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:17,549 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:17,669 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:17,848 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:17,972 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:18,100 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:18,355 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:18,478 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:18,614 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:18,850 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:18,962 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:19,087 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:19,203 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:19,315 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:19,516 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:19,632 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:19,747 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:19,873 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:20,033 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:20,148 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:20,273 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:20,481 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:20,594 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:20,729 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:20,843 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:20,959 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:21,115 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:21,517 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:21,629 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:21,752 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:21,955 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:22,069 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:22,194 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:22,317 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:22,434 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:22,554 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:22,793 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:22,908 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:23,102 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:23,537 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:23,821 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:24,189 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:24,438 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:24,640 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:24,815 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:25,020 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:25,145 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:25,273 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:25,492 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:25,606 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:25,749 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:26,146 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:26,289 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:26,415 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:26,629 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:26,741 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:26,868 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:26,980 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:27,109 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:27,231 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:27,505 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:27,617 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:27,740 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:27,944 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:28,055 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:28,178 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:28,298 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:28,418 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:28,538 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:28,743 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:28,855 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:28,981 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:29,191 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:29,305 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:29,432 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:29,655 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:29,767 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:29,891 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,094 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:30,208 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,334 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,547 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:30,659 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,785 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,991 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:31,103 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:31,227 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:31,338 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:31,452 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:31,575 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:31,795 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:31,909 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:32,042 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:32,260 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:32,375 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:32,507 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:32,621 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:32,736 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:32,865 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:33,067 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:33,185 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:33,322 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:33,526 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:33,643 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:33,772 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:33,984 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:34,097 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:34,221 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:34,423 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:34,534 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:34,668 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:34,779 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:34,891 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:35,013 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:35,229 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:35,344 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:35,473 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:35,683 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:35,797 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:35,926 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:36,130 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:36,244 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:36,368 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:36,577 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:18:36,692 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:36,819 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:37,029 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:18:37,144 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:37,278 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:37,489 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:18:37,605 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:37,732 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:37,932 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:18:38,081 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:38,207 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:38,415 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:38,536 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:38,660 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:38,863 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:38,975 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:39,099 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:39,211 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:39,325 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:39,452 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:39,661 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:39,774 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:39,907 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:40,106 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:40,219 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:40,344 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:40,546 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2019-10-07 15:18:40,670 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:40,794 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:40,992 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:18:41,105 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:41,236 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:41,239 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-10-07 15:18:41,567 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:41,785 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:41,907 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:42,084 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 550 [2019-10-07 15:18:42,186 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:42,311 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:42,513 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:42,637 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:42,644 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:18:42,745 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:42,968 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:43,089 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:18:43,315 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:43,427 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:18:43,529 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:18:43,661 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:43,766 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:18:43,870 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:18:44,002 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:18:44,119 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:18:44,232 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:18:44,359 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2019-10-07 15:18:44,498 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:44,775 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:45,216 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 583 [2019-10-07 15:18:45,465 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 565 [2019-10-07 15:18:45,825 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:46,193 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:46,309 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:46,591 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:46,951 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:47,059 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:47,350 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:47,707 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:47,815 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:48,107 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:48,495 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:48,602 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:48,889 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:49,421 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:49,561 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:49,837 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:50,193 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:50,304 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:50,587 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:50,939 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:51,047 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:51,330 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:51,684 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:51,793 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:52,071 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:52,425 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:52,536 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:52,814 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:53,173 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:53,281 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:53,556 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:53,911 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:54,020 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:54,301 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:54,649 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:54,759 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:55,043 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:55,394 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:55,503 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:55,778 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:56,134 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:56,506 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:56,948 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:57,381 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:57,792 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:58,226 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:58,643 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:59,069 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:59,481 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:59,892 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:19:00,312 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:19:00,722 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:19:01,134 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:19:01,556 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:19:01,971 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:19:02,511 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:02,513 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: assume true; 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: assume true; 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.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 15:19:02,519 INFO L168 Benchmark]: Toolchain (without parser) took 83532.91 ms. Allocated memory was 144.2 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 100.7 MB in the beginning and 564.5 MB in the end (delta: -463.8 MB). Peak memory consumption was 715.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:02,519 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:02,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.52 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 100.5 MB in the beginning and 168.8 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:02,520 INFO L168 Benchmark]: Boogie Preprocessor took 88.08 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:02,520 INFO L168 Benchmark]: RCFGBuilder took 1742.28 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.7 MB in the beginning and 143.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:02,521 INFO L168 Benchmark]: TraceAbstraction took 80916.08 ms. Allocated memory was 234.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 142.5 MB in the beginning and 564.5 MB in the end (delta: -422.1 MB). Peak memory consumption was 667.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:02,522 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 776.52 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 100.5 MB in the beginning and 168.8 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.08 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1742.28 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.7 MB in the beginning and 143.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 80916.08 ms. Allocated memory was 234.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 142.5 MB in the beginning and 564.5 MB in the end (delta: -422.1 MB). Peak memory consumption was 667.4 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: assume true; de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true;: 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...