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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:22:58,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:22:58,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:22:58,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:22:58,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:22:58,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:22:58,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:22:58,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:22:58,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:22:58,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:22:58,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:22:58,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:22:58,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:22:58,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:22:58,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:22:58,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:22:58,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:22:58,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:22:58,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:22:58,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:22:58,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:22:58,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:22:58,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:22:58,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:22:58,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:22:58,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:22:58,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:22:58,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:22:58,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:22:58,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:22:58,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:22:58,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:22:58,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:22:58,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:22:58,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:22:58,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:22:58,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:22:58,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:22:58,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:22:58,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:22:58,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:22:58,949 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 15:22:58,963 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:22:58,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:22:58,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:22:58,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:22:58,965 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:22:58,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:22:58,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:22:58,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:22:58,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:22:58,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:22:58,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:22:58,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:22:58,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:22:58,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:22:58,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:22:58,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:22:58,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:22:58,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:22:58,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:22:58,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:22:58,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:22:58,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:22:58,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:22:58,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:22:58,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:22:58,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:22:58,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:22:58,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:22:58,970 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 15:22:59,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:22:59,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:22:59,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:22:59,267 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:22:59,267 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:22:59,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2019-10-07 15:22:59,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119ba1f86/d44b2ff77b874062aac81da23e6db819/FLAGe06d68f56 [2019-10-07 15:22:59,896 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:22:59,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2019-10-07 15:22:59,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119ba1f86/d44b2ff77b874062aac81da23e6db819/FLAGe06d68f56 [2019-10-07 15:23:00,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119ba1f86/d44b2ff77b874062aac81da23e6db819 [2019-10-07 15:23:00,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:23:00,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:23:00,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:23:00,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:23:00,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:23:00,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:23:00" (1/1) ... [2019-10-07 15:23:00,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76624cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00, skipping insertion in model container [2019-10-07 15:23:00,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:23:00" (1/1) ... [2019-10-07 15:23:00,198 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:23:00,258 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:23:00,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:23:00,792 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:23:00,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:23:00,934 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:23:00,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00 WrapperNode [2019-10-07 15:23:00,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:23:00,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:23:00,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:23:00,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:23:00,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00" (1/1) ... [2019-10-07 15:23:00,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00" (1/1) ... [2019-10-07 15:23:00,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00" (1/1) ... [2019-10-07 15:23:00,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00" (1/1) ... [2019-10-07 15:23:01,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00" (1/1) ... [2019-10-07 15:23:01,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00" (1/1) ... [2019-10-07 15:23:01,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00" (1/1) ... [2019-10-07 15:23:01,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:23:01,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:23:01,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:23:01,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:23:01,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00" (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 15:23:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:23:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:23:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:23:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:23:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:23:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:23:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:23:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:23:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:23:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:23:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:23:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:23:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:23:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:23:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:23:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:23:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:23:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:23:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:23:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:23:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:23:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:23:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:23:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:23:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:23:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:23:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:23:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:23:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:23:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:23:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:23:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:23:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:23:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:23:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:23:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:23:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:23:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:23:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:23:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:23:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:23:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:23:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:23:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:23:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:23:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:23:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:23:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:23:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:23:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:23:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:23:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:23:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:23:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:23:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:23:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:23:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:23:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:23:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:23:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:23:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:23:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:23:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:23:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:23:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:23:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:23:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:23:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:23:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:23:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:23:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:23:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:23:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:23:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:23:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:23:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:23:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:23:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:23:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:23:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:23:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:23:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:23:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:23:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:23:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:23:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:23:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:23:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:23:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:23:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:23:02,831 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:23:02,832 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:23:02,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:23:02 BoogieIcfgContainer [2019-10-07 15:23:02,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:23:02,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:23:02,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:23:02,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:23:02,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:23:00" (1/3) ... [2019-10-07 15:23:02,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b5f131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:23:02, skipping insertion in model container [2019-10-07 15:23:02,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:23:00" (2/3) ... [2019-10-07 15:23:02,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b5f131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:23:02, skipping insertion in model container [2019-10-07 15:23:02,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:23:02" (3/3) ... [2019-10-07 15:23:02,848 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2019-10-07 15:23:02,861 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:23:02,873 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:23:02,888 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:23:02,939 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:23:02,940 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:23:02,941 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:23:02,942 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:23:02,942 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:23:02,942 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:23:02,943 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:23:02,943 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:23:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2019-10-07 15:23:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:23:02,988 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:02,990 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 15:23:02,997 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:03,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:03,004 INFO L82 PathProgramCache]: Analyzing trace with hash 17459039, now seen corresponding path program 1 times [2019-10-07 15:23:03,014 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:03,014 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:03,015 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:03,015 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:03,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:03,394 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 15:23:03,401 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:03,402 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:03,403 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:23:03,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:23:03,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:23:03,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:23:03,427 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 2 states. [2019-10-07 15:23:03,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:03,475 INFO L93 Difference]: Finished difference Result 290 states and 355 transitions. [2019-10-07 15:23:03,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:23:03,477 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:23:03,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:03,503 INFO L225 Difference]: With dead ends: 290 [2019-10-07 15:23:03,504 INFO L226 Difference]: Without dead ends: 147 [2019-10-07 15:23:03,514 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 15:23:03,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-07 15:23:03,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-10-07 15:23:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-07 15:23:03,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 173 transitions. [2019-10-07 15:23:03,619 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 173 transitions. Word has length 52 [2019-10-07 15:23:03,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:03,620 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 173 transitions. [2019-10-07 15:23:03,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:23:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2019-10-07 15:23:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:23:03,630 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:03,631 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 15:23:03,631 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:03,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1035601648, now seen corresponding path program 1 times [2019-10-07 15:23:03,632 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:03,632 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:03,632 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:03,633 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:03,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:03,857 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 15:23:03,858 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:03,858 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:03,858 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:23:03,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:23:03,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:23:03,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:23:03,863 INFO L87 Difference]: Start difference. First operand 147 states and 173 transitions. Second operand 3 states. [2019-10-07 15:23:03,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:03,920 INFO L93 Difference]: Finished difference Result 238 states and 280 transitions. [2019-10-07 15:23:03,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:23:03,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:23:03,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:03,925 INFO L225 Difference]: With dead ends: 238 [2019-10-07 15:23:03,926 INFO L226 Difference]: Without dead ends: 139 [2019-10-07 15:23:03,930 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 15:23:03,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-07 15:23:03,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-10-07 15:23:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-07 15:23:03,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2019-10-07 15:23:03,971 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 53 [2019-10-07 15:23:03,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:03,972 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2019-10-07 15:23:03,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:23:03,972 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2019-10-07 15:23:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:23:03,975 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:03,976 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:23:03,976 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:03,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:03,976 INFO L82 PathProgramCache]: Analyzing trace with hash -976628071, now seen corresponding path program 1 times [2019-10-07 15:23:03,977 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:03,977 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:03,977 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:03,977 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:03,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:04,246 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 15:23:04,246 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:04,246 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:04,247 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:23:04,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:23:04,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:23:04,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:23:04,248 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 7 states. [2019-10-07 15:23:04,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:04,862 INFO L93 Difference]: Finished difference Result 417 states and 503 transitions. [2019-10-07 15:23:04,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:23:04,863 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-07 15:23:04,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:04,867 INFO L225 Difference]: With dead ends: 417 [2019-10-07 15:23:04,867 INFO L226 Difference]: Without dead ends: 303 [2019-10-07 15:23:04,869 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 15:23:04,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2019-10-07 15:23:04,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2019-10-07 15:23:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2019-10-07 15:23:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2019-10-07 15:23:04,943 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 57 [2019-10-07 15:23:04,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:04,944 INFO L462 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2019-10-07 15:23:04,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:23:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2019-10-07 15:23:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:23:04,949 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:04,949 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 15:23:04,949 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:04,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:04,950 INFO L82 PathProgramCache]: Analyzing trace with hash 2135084772, now seen corresponding path program 1 times [2019-10-07 15:23:04,950 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:04,950 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:04,950 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:04,950 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:05,112 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 15:23:05,112 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:05,113 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:05,113 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:23:05,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:23:05,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:23:05,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:23:05,114 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand 7 states. [2019-10-07 15:23:05,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:05,873 INFO L93 Difference]: Finished difference Result 758 states and 979 transitions. [2019-10-07 15:23:05,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:23:05,874 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:23:05,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:05,879 INFO L225 Difference]: With dead ends: 758 [2019-10-07 15:23:05,879 INFO L226 Difference]: Without dead ends: 492 [2019-10-07 15:23:05,881 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:23:05,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-10-07 15:23:05,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 441. [2019-10-07 15:23:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-10-07 15:23:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 522 transitions. [2019-10-07 15:23:05,932 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 522 transitions. Word has length 61 [2019-10-07 15:23:05,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:05,933 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 522 transitions. [2019-10-07 15:23:05,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:23:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 522 transitions. [2019-10-07 15:23:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-07 15:23:05,935 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:05,936 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:23:05,936 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:05,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:05,936 INFO L82 PathProgramCache]: Analyzing trace with hash -91380313, now seen corresponding path program 1 times [2019-10-07 15:23:05,937 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:05,937 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:05,937 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:05,937 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:05,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:06,181 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 15:23:06,182 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:06,182 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:06,182 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:23:06,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:23:06,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:23:06,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:23:06,184 INFO L87 Difference]: Start difference. First operand 441 states and 522 transitions. Second operand 12 states. [2019-10-07 15:23:07,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:07,168 INFO L93 Difference]: Finished difference Result 1286 states and 1573 transitions. [2019-10-07 15:23:07,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 15:23:07,169 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2019-10-07 15:23:07,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:07,176 INFO L225 Difference]: With dead ends: 1286 [2019-10-07 15:23:07,176 INFO L226 Difference]: Without dead ends: 870 [2019-10-07 15:23:07,179 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 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 15:23:07,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2019-10-07 15:23:07,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 848. [2019-10-07 15:23:07,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2019-10-07 15:23:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1025 transitions. [2019-10-07 15:23:07,262 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1025 transitions. Word has length 97 [2019-10-07 15:23:07,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:07,262 INFO L462 AbstractCegarLoop]: Abstraction has 848 states and 1025 transitions. [2019-10-07 15:23:07,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:23:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1025 transitions. [2019-10-07 15:23:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-07 15:23:07,266 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:07,266 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:23:07,267 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:07,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:07,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1350927770, now seen corresponding path program 1 times [2019-10-07 15:23:07,267 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:07,267 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:07,268 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:07,268 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:07,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:07,504 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 15:23:07,504 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:07,505 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:07,505 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 15:23:07,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:23:07,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:23:07,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:23:07,506 INFO L87 Difference]: Start difference. First operand 848 states and 1025 transitions. Second operand 9 states. [2019-10-07 15:23:08,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:08,634 INFO L93 Difference]: Finished difference Result 2724 states and 3404 transitions. [2019-10-07 15:23:08,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:23:08,634 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2019-10-07 15:23:08,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:08,649 INFO L225 Difference]: With dead ends: 2724 [2019-10-07 15:23:08,649 INFO L226 Difference]: Without dead ends: 2073 [2019-10-07 15:23:08,653 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:23:08,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2019-10-07 15:23:08,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 1783. [2019-10-07 15:23:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2019-10-07 15:23:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2173 transitions. [2019-10-07 15:23:08,832 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2173 transitions. Word has length 100 [2019-10-07 15:23:08,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:08,832 INFO L462 AbstractCegarLoop]: Abstraction has 1783 states and 2173 transitions. [2019-10-07 15:23:08,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:23:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2173 transitions. [2019-10-07 15:23:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-07 15:23:08,838 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:08,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:08,838 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:08,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:08,839 INFO L82 PathProgramCache]: Analyzing trace with hash -2036118335, now seen corresponding path program 1 times [2019-10-07 15:23:08,839 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:08,839 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:08,840 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:08,840 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:08,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:23:09,016 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:09,017 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:23:09,017 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 15:23:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:09,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 15:23:09,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:23:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:23:09,511 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:23:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:23:10,099 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:23:10,133 INFO L162 IcfgInterpreter]: Started Sifa with 123 locations of interest [2019-10-07 15:23:10,134 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:23:10,141 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:23:10,150 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:23:10,151 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:23:20,110 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:23:21,927 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:23:22,076 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:23:22,210 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:23:22,345 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:23:22,582 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:22,826 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:23,023 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:23,221 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:23,592 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:23:23,729 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:23,882 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:24,060 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:24,175 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:24,350 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:24,360 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:23:24,652 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-07 15:23:24,653 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-07 15:23:24,762 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:24,871 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:25,007 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,120 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:25,275 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:25,428 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,552 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:25,656 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:25,783 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:26,067 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-07 15:23:26,312 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:26,549 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:26,670 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:26,785 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:26,887 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:27,006 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:27,211 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:27,363 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:27,572 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:27,699 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:28,037 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:28,140 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:28,243 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:28,363 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:28,564 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:28,689 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:28,834 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:28,935 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:29,057 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:29,161 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:29,267 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:29,393 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:29,529 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:29,642 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:29,809 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:29,949 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,060 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,190 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,308 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,421 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,546 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,704 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:30,840 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:30,965 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:31,176 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:31,288 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:31,417 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:31,616 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:31,741 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:31,862 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:31,982 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:23:32,097 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:23:32,229 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:23:32,346 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:32,461 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:32,587 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:32,747 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:32,864 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:32,999 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:33,229 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:23:33,346 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:33,481 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:33,598 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:33,713 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:33,844 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:33,983 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,095 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,218 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,331 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,444 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,566 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,676 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,786 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,917 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:35,073 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:35,185 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:35,313 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:35,575 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:35,687 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:35,817 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:36,018 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:36,133 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:36,255 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:36,466 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 573 [2019-10-07 15:23:36,581 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:23:36,707 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:23:36,909 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:23:37,023 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:37,155 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:37,301 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,415 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,537 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,651 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,762 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,889 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,998 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,111 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,230 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,354 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,463 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,589 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,707 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,818 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,941 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:39,050 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:39,161 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:39,279 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:39,405 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:39,517 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:39,641 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:39,976 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:40,088 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:40,212 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:40,410 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:40,526 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:40,652 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:40,860 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 566 [2019-10-07 15:23:40,971 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:41,100 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:41,226 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,340 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,463 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,591 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,700 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,821 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,930 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:42,040 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:42,159 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:42,402 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:42,702 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:42,878 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:43,133 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:43,245 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:43,371 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:43,571 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:43,682 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:43,804 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:44,012 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:23:44,127 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:44,256 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:44,462 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:23:44,579 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:44,710 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:44,932 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:23:45,049 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:45,190 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:45,399 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2019-10-07 15:23:45,518 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:45,658 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:45,780 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:45,891 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:46,013 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:46,126 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:46,234 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:46,354 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:46,463 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:46,574 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:46,691 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:46,906 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:47,018 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:47,145 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:47,351 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:47,467 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:47,595 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:47,709 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:47,828 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:47,949 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:48,149 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:48,259 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:48,383 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:48,574 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 568 [2019-10-07 15:23:48,685 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:48,809 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:48,931 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,045 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,172 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,283 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,393 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,514 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,633 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,742 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,862 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,973 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:50,081 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:50,201 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:50,309 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:50,427 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:50,545 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:50,673 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:50,792 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:50,919 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:51,043 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:51,158 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:51,284 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:51,288 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-07 15:23:51,597 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:51,932 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:52,109 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 548 [2019-10-07 15:23:52,325 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:52,636 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:52,642 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:23:52,954 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:53,073 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:23:53,294 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:53,613 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:53,852 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:23:53,853 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 15:23:53,869 INFO L168 Benchmark]: Toolchain (without parser) took 53690.72 ms. Allocated memory was 145.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.2 MB in the beginning and 666.1 MB in the end (delta: -564.9 MB). Peak memory consumption was 520.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:53,874 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.2 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 15:23:53,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.36 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.0 MB in the beginning and 169.1 MB in the end (delta: -68.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:53,878 INFO L168 Benchmark]: Boogie Preprocessor took 95.43 ms. Allocated memory is still 202.4 MB. Free memory was 169.1 MB in the beginning and 164.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:53,878 INFO L168 Benchmark]: RCFGBuilder took 1804.12 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.3 MB in the beginning and 140.8 MB in the end (delta: 23.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:53,879 INFO L168 Benchmark]: TraceAbstraction took 51031.77 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 995.1 MB). Free memory was 140.8 MB in the beginning and 666.1 MB in the end (delta: -525.3 MB). Peak memory consumption was 469.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:53,882 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 145.2 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 754.36 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.0 MB in the beginning and 169.1 MB in the end (delta: -68.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.43 ms. Allocated memory is still 202.4 MB. Free memory was 169.1 MB in the beginning and 164.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1804.12 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.3 MB in the beginning and 140.8 MB in the end (delta: 23.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 51031.77 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 995.1 MB). Free memory was 140.8 MB in the beginning and 666.1 MB in the end (delta: -525.3 MB). Peak memory consumption was 469.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...