java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:53,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:53,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:53,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:53,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:53,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:53,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:53,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:53,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:53,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:53,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:53,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:53,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:53,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:53,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:53,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:53,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:53,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:53,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:53,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:53,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:53,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:53,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:53,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:53,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:53,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:53,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:53,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:53,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:53,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:53,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:53,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:53,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:53,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:53,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:53,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:53,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:53,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:53,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:53,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:53,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:53,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:20:53,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:53,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:53,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:53,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:53,912 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:53,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:53,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:53,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:53,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:53,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:53,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:53,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:53,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:53,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:53,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:53,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:53,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:53,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:53,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:53,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:53,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:53,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:53,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:53,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:53,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:53,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:53,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:53,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:53,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:54,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:54,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:54,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:54,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:54,297 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:54,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-10-07 15:20:54,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d5d86375/a1745c02822642f084a835e861e35b14/FLAG47138605f [2019-10-07 15:20:54,914 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:54,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-10-07 15:20:54,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d5d86375/a1745c02822642f084a835e861e35b14/FLAG47138605f [2019-10-07 15:20:55,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d5d86375/a1745c02822642f084a835e861e35b14 [2019-10-07 15:20:55,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:55,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:55,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:55,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:55,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:55,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:55" (1/1) ... [2019-10-07 15:20:55,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152e91c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55, skipping insertion in model container [2019-10-07 15:20:55,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:55" (1/1) ... [2019-10-07 15:20:55,246 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:55,306 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:55,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:55,749 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:55,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:55,921 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:55,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55 WrapperNode [2019-10-07 15:20:55,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:55,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:55,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:55,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:55,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55" (1/1) ... [2019-10-07 15:20:55,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55" (1/1) ... [2019-10-07 15:20:55,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55" (1/1) ... [2019-10-07 15:20:55,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55" (1/1) ... [2019-10-07 15:20:55,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55" (1/1) ... [2019-10-07 15:20:56,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55" (1/1) ... [2019-10-07 15:20:56,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55" (1/1) ... [2019-10-07 15:20:56,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:56,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:56,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:56,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:56,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:20:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:20:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:20:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:20:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:20:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:20:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:20:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:20:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:57,770 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:57,771 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:57,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:57 BoogieIcfgContainer [2019-10-07 15:20:57,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:57,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:57,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:57,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:57,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:55" (1/3) ... [2019-10-07 15:20:57,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be32fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:57, skipping insertion in model container [2019-10-07 15:20:57,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:55" (2/3) ... [2019-10-07 15:20:57,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be32fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:57, skipping insertion in model container [2019-10-07 15:20:57,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:57" (3/3) ... [2019-10-07 15:20:57,782 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2019-10-07 15:20:57,792 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:57,802 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:57,814 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:57,844 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:57,845 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:57,845 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:57,845 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:57,846 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:57,846 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:57,846 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:57,846 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:57,869 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-10-07 15:20:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:57,880 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:57,881 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:57,883 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:57,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:57,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1682700886, now seen corresponding path program 1 times [2019-10-07 15:20:57,899 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:57,900 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:57,900 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:57,900 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:57,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:58,311 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 15:20:58,316 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:58,317 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:58,318 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:58,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:58,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:58,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:58,343 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-10-07 15:20:58,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:58,416 INFO L93 Difference]: Finished difference Result 238 states and 291 transitions. [2019-10-07 15:20:58,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:58,424 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:58,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:58,442 INFO L225 Difference]: With dead ends: 238 [2019-10-07 15:20:58,442 INFO L226 Difference]: Without dead ends: 121 [2019-10-07 15:20:58,455 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 15:20:58,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-07 15:20:58,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-07 15:20:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-07 15:20:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2019-10-07 15:20:58,505 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 52 [2019-10-07 15:20:58,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:58,506 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2019-10-07 15:20:58,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2019-10-07 15:20:58,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:58,510 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:58,510 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:58,511 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:58,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:58,511 INFO L82 PathProgramCache]: Analyzing trace with hash -21681295, now seen corresponding path program 1 times [2019-10-07 15:20:58,512 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:58,512 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:58,512 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:58,512 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:58,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:58,632 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 15:20:58,633 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:58,633 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:58,633 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:58,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:58,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:58,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:58,636 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 3 states. [2019-10-07 15:20:58,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:58,657 INFO L93 Difference]: Finished difference Result 189 states and 219 transitions. [2019-10-07 15:20:58,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:58,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:58,660 INFO L225 Difference]: With dead ends: 189 [2019-10-07 15:20:58,661 INFO L226 Difference]: Without dead ends: 113 [2019-10-07 15:20:58,662 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 15:20:58,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-07 15:20:58,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-07 15:20:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-07 15:20:58,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-10-07 15:20:58,682 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 53 [2019-10-07 15:20:58,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:58,683 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-10-07 15:20:58,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-10-07 15:20:58,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:58,691 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:58,691 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:58,691 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:58,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:58,692 INFO L82 PathProgramCache]: Analyzing trace with hash 257553692, now seen corresponding path program 1 times [2019-10-07 15:20:58,692 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:58,692 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:58,693 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:58,693 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:58,867 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 15:20:58,867 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:58,868 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:58,868 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:58,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:58,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:58,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:58,871 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 7 states. [2019-10-07 15:20:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:59,340 INFO L93 Difference]: Finished difference Result 338 states and 404 transitions. [2019-10-07 15:20:59,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:20:59,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:59,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:59,346 INFO L225 Difference]: With dead ends: 338 [2019-10-07 15:20:59,347 INFO L226 Difference]: Without dead ends: 250 [2019-10-07 15:20:59,349 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 15:20:59,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-07 15:20:59,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2019-10-07 15:20:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-10-07 15:20:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 289 transitions. [2019-10-07 15:20:59,409 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 289 transitions. Word has length 56 [2019-10-07 15:20:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:59,410 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 289 transitions. [2019-10-07 15:20:59,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 289 transitions. [2019-10-07 15:20:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:20:59,412 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:59,412 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:59,413 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:59,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:59,413 INFO L82 PathProgramCache]: Analyzing trace with hash 824193073, now seen corresponding path program 1 times [2019-10-07 15:20:59,413 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:59,413 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:59,414 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:59,414 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:59,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:59,545 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:59,546 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:59,546 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:59,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:59,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:59,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:59,547 INFO L87 Difference]: Start difference. First operand 242 states and 289 transitions. Second operand 7 states. [2019-10-07 15:21:00,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:00,216 INFO L93 Difference]: Finished difference Result 624 states and 814 transitions. [2019-10-07 15:21:00,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:21:00,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:21:00,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:00,226 INFO L225 Difference]: With dead ends: 624 [2019-10-07 15:21:00,226 INFO L226 Difference]: Without dead ends: 407 [2019-10-07 15:21:00,234 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:21:00,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-07 15:21:00,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 357. [2019-10-07 15:21:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-10-07 15:21:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 426 transitions. [2019-10-07 15:21:00,277 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 426 transitions. Word has length 61 [2019-10-07 15:21:00,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:00,278 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 426 transitions. [2019-10-07 15:21:00,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:21:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 426 transitions. [2019-10-07 15:21:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 15:21:00,280 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:00,280 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:00,280 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:00,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:00,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1521081775, now seen corresponding path program 1 times [2019-10-07 15:21:00,281 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:00,281 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:00,281 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:00,282 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:00,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:00,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:00,511 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:00,512 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:00,512 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:21:00,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:21:00,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:21:00,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:21:00,513 INFO L87 Difference]: Start difference. First operand 357 states and 426 transitions. Second operand 12 states. [2019-10-07 15:21:01,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:01,455 INFO L93 Difference]: Finished difference Result 1089 states and 1322 transitions. [2019-10-07 15:21:01,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 15:21:01,456 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 78 [2019-10-07 15:21:01,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:01,461 INFO L225 Difference]: With dead ends: 1089 [2019-10-07 15:21:01,462 INFO L226 Difference]: Without dead ends: 757 [2019-10-07 15:21:01,464 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:21:01,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2019-10-07 15:21:01,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 735. [2019-10-07 15:21:01,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-10-07 15:21:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 881 transitions. [2019-10-07 15:21:01,518 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 881 transitions. Word has length 78 [2019-10-07 15:21:01,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:01,519 INFO L462 AbstractCegarLoop]: Abstraction has 735 states and 881 transitions. [2019-10-07 15:21:01,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:21:01,519 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 881 transitions. [2019-10-07 15:21:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-07 15:21:01,521 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:01,522 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:01,522 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:01,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:01,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1245017963, now seen corresponding path program 1 times [2019-10-07 15:21:01,522 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:01,523 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:01,523 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:01,523 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:01,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:21:01,657 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:01,658 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:21:01,658 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 15:21:01,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:21:01,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:21:01,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:21:01,659 INFO L87 Difference]: Start difference. First operand 735 states and 881 transitions. Second operand 9 states. [2019-10-07 15:21:02,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:21:02,650 INFO L93 Difference]: Finished difference Result 2333 states and 2884 transitions. [2019-10-07 15:21:02,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:21:02,651 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2019-10-07 15:21:02,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:21:02,662 INFO L225 Difference]: With dead ends: 2333 [2019-10-07 15:21:02,662 INFO L226 Difference]: Without dead ends: 1782 [2019-10-07 15:21:02,665 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:21:02,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2019-10-07 15:21:02,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1508. [2019-10-07 15:21:02,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1508 states. [2019-10-07 15:21:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1824 transitions. [2019-10-07 15:21:02,769 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1824 transitions. Word has length 81 [2019-10-07 15:21:02,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:21:02,770 INFO L462 AbstractCegarLoop]: Abstraction has 1508 states and 1824 transitions. [2019-10-07 15:21:02,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:21:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1824 transitions. [2019-10-07 15:21:02,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 15:21:02,773 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:21:02,774 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:21:02,774 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:21:02,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:21:02,774 INFO L82 PathProgramCache]: Analyzing trace with hash -897616276, now seen corresponding path program 1 times [2019-10-07 15:21:02,775 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:21:02,775 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:02,775 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,775 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:21:02,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:21:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 15:21:02,915 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:21:02,915 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:21:02,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:21:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:21:03,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 15:21:03,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:21:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:21:03,325 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:21:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-07 15:21:03,729 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:21:03,768 INFO L162 IcfgInterpreter]: Started Sifa with 87 locations of interest [2019-10-07 15:21:03,769 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:21:03,774 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:21:03,781 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:21:03,781 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:21:11,402 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:21:13,005 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:21:13,126 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:21:13,249 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:21:13,359 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:21:13,662 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:13,895 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:14,110 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:14,299 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:14,652 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:21:14,864 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:15,029 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:15,178 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:15,319 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:15,445 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:21:15,455 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:21:15,707 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-07 15:21:15,859 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:15,966 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:16,127 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:16,249 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:16,521 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:16,942 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:17,216 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-07 15:21:17,325 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:17,465 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:17,577 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:17,706 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:17,827 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:18,154 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:18,262 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:18,380 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:18,507 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:18,822 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:18,936 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:19,154 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:19,469 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:19,575 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:19,701 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:19,822 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:20,137 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:20,346 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:21:20,480 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:20,679 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:20,869 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:21,004 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:21,233 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:21,358 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:21,533 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:21,646 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:21,758 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:21,879 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:22,031 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:22,144 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:22,282 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:22,509 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:22,621 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:22,749 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:22,951 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:23,064 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:23,200 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:23,323 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:21:23,440 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:21:23,566 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:21:23,683 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:23,799 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:23,969 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:24,120 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:24,240 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:24,368 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:24,499 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:24,616 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:24,745 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:24,861 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:24,980 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:25,107 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:25,346 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:25,459 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:25,581 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:25,812 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:25,924 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:26,050 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:26,164 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:26,276 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:26,397 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:26,622 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:26,760 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:26,887 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:27,113 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:27,240 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:27,375 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:27,598 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:27,713 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:27,837 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:28,041 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 566 [2019-10-07 15:21:28,153 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:28,284 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:28,487 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 568 [2019-10-07 15:21:28,601 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:28,730 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:28,947 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:29,059 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,193 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,398 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:29,510 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,634 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,745 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,857 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:29,978 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:30,193 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:30,309 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:30,434 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:30,636 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:30,747 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:30,877 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:30,989 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:31,101 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:31,223 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:31,452 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:31,565 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:31,699 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:32,015 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:32,127 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:32,269 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:32,475 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:32,591 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:32,714 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:32,924 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:21:33,038 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:33,172 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:33,370 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:21:33,491 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:33,620 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:33,832 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:33,943 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,066 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,516 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:34,639 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,762 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,875 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:34,988 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:35,109 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:35,314 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:35,426 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:35,552 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:35,776 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:35,895 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:36,033 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:36,223 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:36,335 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:36,459 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:36,664 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:36,776 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:36,902 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:37,111 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:21:37,224 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:37,354 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:37,570 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 568 [2019-10-07 15:21:37,690 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:37,819 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:38,021 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:21:38,136 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:38,267 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:21:38,476 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:38,587 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:38,712 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:38,916 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:39,028 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,155 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,268 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,380 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,500 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:39,718 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:21:39,832 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:39,957 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:40,152 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:40,269 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:40,394 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:40,595 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:40,708 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:40,831 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:41,072 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:21:41,185 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:41,313 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:41,590 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:41,701 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:41,836 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:42,036 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:42,159 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:42,282 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:42,392 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:42,504 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:42,630 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:42,839 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:42,952 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:43,077 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:43,273 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:21:43,385 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:21:43,510 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:43,721 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:43,833 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:43,955 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:44,157 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:21:44,269 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:44,391 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:44,395 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-07 15:21:44,707 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:44,824 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:45,044 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:45,218 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 548 [2019-10-07 15:21:45,348 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:21:45,477 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:45,793 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:45,798 INFO L199 IcfgInterpreter]: Interpreting procedure setup with input of size 544 for LOIs [2019-10-07 15:21:46,413 INFO L199 IcfgInterpreter]: Interpreting procedure select_features with input of size 544 for LOIs [2019-10-07 15:21:47,017 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:21:47,121 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:21:47,339 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:21:47,452 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:21:47,674 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:47,877 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:21:48,001 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:21:48,115 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:21:48,221 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:21:48,350 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:21:48,462 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:21:48,566 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:21:48,696 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2019-10-07 15:21:48,823 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:49,106 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:49,562 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 583 [2019-10-07 15:21:49,820 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 565 [2019-10-07 15:21:50,132 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:50,507 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:50,622 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:50,896 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:51,254 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:51,360 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:51,636 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:51,995 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:52,101 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:52,376 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:52,879 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:52,988 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:53,271 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:53,627 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:53,733 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:54,008 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:54,380 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:54,491 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:54,766 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:55,128 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:55,233 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:55,510 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:55,865 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:55,971 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:56,244 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:56,622 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:56,726 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:57,006 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:57,361 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:57,467 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:57,742 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:58,099 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:58,214 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:58,489 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:21:58,844 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:21:59,203 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:21:59,622 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:00,020 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:00,420 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:00,837 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:01,242 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:01,651 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:02,055 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:02,453 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:02,866 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:03,269 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:03,675 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:22:03,961 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:22:03,962 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:22:03,972 INFO L168 Benchmark]: Toolchain (without parser) took 68742.84 ms. Allocated memory was 142.1 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 100.7 MB in the beginning and 490.6 MB in the end (delta: -389.9 MB). Peak memory consumption was 615.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:03,973 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:22:03,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.84 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 166.4 MB in the end (delta: -65.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:03,973 INFO L168 Benchmark]: Boogie Preprocessor took 90.84 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 162.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:03,974 INFO L168 Benchmark]: RCFGBuilder took 1759.52 ms. Allocated memory was 200.3 MB in the beginning and 233.3 MB in the end (delta: 33.0 MB). Free memory was 162.4 MB in the beginning and 145.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:03,976 INFO L168 Benchmark]: TraceAbstraction took 66197.36 ms. Allocated memory was 233.3 MB in the beginning and 1.1 GB in the end (delta: 914.4 MB). Free memory was 145.1 MB in the beginning and 490.6 MB in the end (delta: -345.5 MB). Peak memory consumption was 568.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:22:03,978 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.84 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 166.4 MB in the end (delta: -65.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.84 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 162.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1759.52 ms. Allocated memory was 200.3 MB in the beginning and 233.3 MB in the end (delta: 33.0 MB). Free memory was 162.4 MB in the beginning and 145.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66197.36 ms. Allocated memory was 233.3 MB in the beginning and 1.1 GB in the end (delta: 914.4 MB). Free memory was 145.1 MB in the beginning and 490.6 MB in the end (delta: -345.5 MB). Peak memory consumption was 568.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...