/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:35:50,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:35:50,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:35:50,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:35:50,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:35:50,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:35:50,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:35:50,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:35:50,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:35:50,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:35:50,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:35:50,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:35:50,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:35:50,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:35:50,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:35:50,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:35:50,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:35:50,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:35:50,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:35:50,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:35:50,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:35:50,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:35:50,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:35:50,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:35:50,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:35:50,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:35:50,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:35:50,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:35:50,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:35:50,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:35:50,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:35:50,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:35:50,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:35:50,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:35:50,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:35:50,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:35:50,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:35:50,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:35:50,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:35:50,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:35:50,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:35:50,925 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 [2019-11-07 04:35:50,949 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:35:50,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:35:50,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:35:50,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:35:50,952 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:35:50,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:35:50,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:35:50,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:35:50,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:35:50,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:35:50,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:35:50,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:35:50,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:35:50,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:35:50,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:35:50,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:35:50,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:35:50,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:35:50,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:35:50,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:35:50,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:35:50,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:35:50,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:35:50,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:35:50,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:35:50,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:35:50,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:35:50,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:35:50,958 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 [2019-11-07 04:35:51,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:35:51,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:35:51,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:35:51,257 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:35:51,258 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:35:51,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2019-11-07 04:35:51,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037d4b08a/5ead2ae37ed24f948eeeeb2d4f048aa1/FLAGf506bc82c [2019-11-07 04:35:51,874 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:35:51,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2019-11-07 04:35:51,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037d4b08a/5ead2ae37ed24f948eeeeb2d4f048aa1/FLAGf506bc82c [2019-11-07 04:35:52,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037d4b08a/5ead2ae37ed24f948eeeeb2d4f048aa1 [2019-11-07 04:35:52,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:35:52,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:35:52,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:52,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:35:52,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:35:52,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0208c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52, skipping insertion in model container [2019-11-07 04:35:52,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,243 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:35:52,307 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:35:52,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:52,750 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:35:52,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:52,932 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:35:52,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52 WrapperNode [2019-11-07 04:35:52,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:52,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:35:52,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:35:52,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:35:52,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:53,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:53,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:53,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:53,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:35:53,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:35:53,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:35:53,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:35:53,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (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 [2019-11-07 04:35:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:35:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:35:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:35:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:35:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:35:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:35:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:35:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:35:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:35:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:35:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:35:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:35:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:35:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:35:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:35:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 04:35:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:35:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:35:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:35:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:35:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:35:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:35:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:35:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:35:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:35:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:35:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:35:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:35:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:35:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:35:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:35:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:35:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:35:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:35:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:35:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:35:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:35:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:35:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:35:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:35:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:35:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:35:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:35:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:35:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:35:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:35:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:35:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:35:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:35:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:35:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:35:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:35:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:35:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:35:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:35:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:35:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:35:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:35:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:35:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:35:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:35:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:35:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:35:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:35:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:35:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:35:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:35:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:35:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 04:35:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:35:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:35:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:35:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:35:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:35:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:35:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:35:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:35:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:35:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:35:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:35:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:35:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:35:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:35:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:35:54,847 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:35:54,849 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:35:54,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:54 BoogieIcfgContainer [2019-11-07 04:35:54,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:35:54,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:35:54,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:35:54,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:35:54,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:35:52" (1/3) ... [2019-11-07 04:35:54,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c84d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:54, skipping insertion in model container [2019-11-07 04:35:54,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (2/3) ... [2019-11-07 04:35:54,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c84d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:54, skipping insertion in model container [2019-11-07 04:35:54,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:54" (3/3) ... [2019-11-07 04:35:54,859 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2019-11-07 04:35:54,871 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:35:54,881 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:35:54,892 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:35:54,927 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:35:54,927 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:35:54,928 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:35:54,928 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:35:54,929 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:35:54,929 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:35:54,929 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:35:54,929 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:35:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-11-07 04:35:54,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:35:54,962 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:54,963 INFO L410 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] [2019-11-07 04:35:54,965 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:54,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:54,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1523300376, now seen corresponding path program 1 times [2019-11-07 04:35:54,982 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:54,983 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522755307] [2019-11-07 04:35:54,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:55,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:55,379 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522755307] [2019-11-07 04:35:55,380 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:55,380 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:35:55,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649410009] [2019-11-07 04:35:55,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:35:55,392 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:55,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:35:55,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:35:55,410 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-11-07 04:35:55,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:55,454 INFO L93 Difference]: Finished difference Result 238 states and 285 transitions. [2019-11-07 04:35:55,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:35:55,456 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:35:55,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:55,470 INFO L225 Difference]: With dead ends: 238 [2019-11-07 04:35:55,470 INFO L226 Difference]: Without dead ends: 121 [2019-11-07 04:35:55,475 INFO L630 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 [2019-11-07 04:35:55,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-07 04:35:55,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-11-07 04:35:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-07 04:35:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2019-11-07 04:35:55,531 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 52 [2019-11-07 04:35:55,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:55,532 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2019-11-07 04:35:55,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:35:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2019-11-07 04:35:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:35:55,537 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:55,537 INFO L410 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] [2019-11-07 04:35:55,537 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:55,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:55,538 INFO L82 PathProgramCache]: Analyzing trace with hash 517446173, now seen corresponding path program 1 times [2019-11-07 04:35:55,538 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:55,539 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049653732] [2019-11-07 04:35:55,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:55,713 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049653732] [2019-11-07 04:35:55,714 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:55,714 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:35:55,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146624443] [2019-11-07 04:35:55,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:35:55,718 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:55,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:35:55,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:35:55,719 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 3 states. [2019-11-07 04:35:55,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:55,755 INFO L93 Difference]: Finished difference Result 184 states and 209 transitions. [2019-11-07 04:35:55,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:35:55,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:35:55,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:55,759 INFO L225 Difference]: With dead ends: 184 [2019-11-07 04:35:55,759 INFO L226 Difference]: Without dead ends: 113 [2019-11-07 04:35:55,761 INFO L630 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 [2019-11-07 04:35:55,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-07 04:35:55,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-07 04:35:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-07 04:35:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2019-11-07 04:35:55,783 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 53 [2019-11-07 04:35:55,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:55,784 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2019-11-07 04:35:55,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:35:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2019-11-07 04:35:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 04:35:55,787 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:55,787 INFO L410 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] [2019-11-07 04:35:55,788 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:55,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:55,788 INFO L82 PathProgramCache]: Analyzing trace with hash -289649399, now seen corresponding path program 1 times [2019-11-07 04:35:55,789 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:55,789 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154191210] [2019-11-07 04:35:55,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:55,964 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154191210] [2019-11-07 04:35:55,965 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:55,965 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:55,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936766802] [2019-11-07 04:35:55,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:55,966 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:55,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:55,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:55,967 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 7 states. [2019-11-07 04:35:56,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:56,493 INFO L93 Difference]: Finished difference Result 339 states and 398 transitions. [2019-11-07 04:35:56,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:35:56,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-11-07 04:35:56,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:56,505 INFO L225 Difference]: With dead ends: 339 [2019-11-07 04:35:56,505 INFO L226 Difference]: Without dead ends: 251 [2019-11-07 04:35:56,510 INFO L630 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 [2019-11-07 04:35:56,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-11-07 04:35:56,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 229. [2019-11-07 04:35:56,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-11-07 04:35:56,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 266 transitions. [2019-11-07 04:35:56,591 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 266 transitions. Word has length 57 [2019-11-07 04:35:56,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:56,592 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 266 transitions. [2019-11-07 04:35:56,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:56,592 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 266 transitions. [2019-11-07 04:35:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 04:35:56,599 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:56,599 INFO L410 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] [2019-11-07 04:35:56,600 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:56,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:56,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1104635173, now seen corresponding path program 1 times [2019-11-07 04:35:56,600 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:56,601 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095306898] [2019-11-07 04:35:56,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:35:56,768 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095306898] [2019-11-07 04:35:56,768 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:56,768 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:56,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661711060] [2019-11-07 04:35:56,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:56,769 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:56,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:56,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:56,770 INFO L87 Difference]: Start difference. First operand 229 states and 266 transitions. Second operand 7 states. [2019-11-07 04:35:57,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:57,474 INFO L93 Difference]: Finished difference Result 583 states and 731 transitions. [2019-11-07 04:35:57,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:35:57,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-11-07 04:35:57,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:57,479 INFO L225 Difference]: With dead ends: 583 [2019-11-07 04:35:57,480 INFO L226 Difference]: Without dead ends: 379 [2019-11-07 04:35:57,482 INFO L630 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 [2019-11-07 04:35:57,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-11-07 04:35:57,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 334. [2019-11-07 04:35:57,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-07 04:35:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 390 transitions. [2019-11-07 04:35:57,526 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 390 transitions. Word has length 61 [2019-11-07 04:35:57,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:57,527 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 390 transitions. [2019-11-07 04:35:57,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:57,527 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 390 transitions. [2019-11-07 04:35:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 04:35:57,530 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:57,530 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:57,534 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:57,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:57,534 INFO L82 PathProgramCache]: Analyzing trace with hash -484079058, now seen corresponding path program 1 times [2019-11-07 04:35:57,535 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:57,535 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104703740] [2019-11-07 04:35:57,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:57,834 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104703740] [2019-11-07 04:35:57,834 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:57,835 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-07 04:35:57,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134827139] [2019-11-07 04:35:57,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-07 04:35:57,837 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:57,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-07 04:35:57,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:35:57,839 INFO L87 Difference]: Start difference. First operand 334 states and 390 transitions. Second operand 12 states. [2019-11-07 04:35:59,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:59,009 INFO L93 Difference]: Finished difference Result 1027 states and 1239 transitions. [2019-11-07 04:35:59,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-07 04:35:59,009 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 87 [2019-11-07 04:35:59,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:59,016 INFO L225 Difference]: With dead ends: 1027 [2019-11-07 04:35:59,016 INFO L226 Difference]: Without dead ends: 718 [2019-11-07 04:35:59,018 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:35:59,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2019-11-07 04:35:59,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 540. [2019-11-07 04:35:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-11-07 04:35:59,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 636 transitions. [2019-11-07 04:35:59,075 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 636 transitions. Word has length 87 [2019-11-07 04:35:59,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:59,076 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 636 transitions. [2019-11-07 04:35:59,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-07 04:35:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 636 transitions. [2019-11-07 04:35:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-07 04:35:59,079 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:59,079 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:59,079 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1670314107, now seen corresponding path program 1 times [2019-11-07 04:35:59,080 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:59,080 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232559651] [2019-11-07 04:35:59,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:59,249 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232559651] [2019-11-07 04:35:59,249 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:59,249 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:35:59,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967237161] [2019-11-07 04:35:59,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:35:59,250 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:59,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:35:59,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:35:59,251 INFO L87 Difference]: Start difference. First operand 540 states and 636 transitions. Second operand 9 states. [2019-11-07 04:36:00,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:00,163 INFO L93 Difference]: Finished difference Result 1638 states and 1994 transitions. [2019-11-07 04:36:00,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:36:00,164 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2019-11-07 04:36:00,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:00,172 INFO L225 Difference]: With dead ends: 1638 [2019-11-07 04:36:00,173 INFO L226 Difference]: Without dead ends: 1266 [2019-11-07 04:36:00,175 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:36:00,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2019-11-07 04:36:00,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1177. [2019-11-07 04:36:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2019-11-07 04:36:00,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1407 transitions. [2019-11-07 04:36:00,289 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1407 transitions. Word has length 90 [2019-11-07 04:36:00,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:00,289 INFO L462 AbstractCegarLoop]: Abstraction has 1177 states and 1407 transitions. [2019-11-07 04:36:00,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:36:00,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1407 transitions. [2019-11-07 04:36:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-07 04:36:00,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:00,295 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:36:00,296 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:00,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:00,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1429652080, now seen corresponding path program 1 times [2019-11-07 04:36:00,297 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:00,297 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159832853] [2019-11-07 04:36:00,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 04:36:00,485 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159832853] [2019-11-07 04:36:00,486 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997271496] [2019-11-07 04:36:00,486 INFO L94 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 [2019-11-07 04:36:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:00,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 04:36:00,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:36:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:36:00,885 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:36:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 04:36:01,315 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [563454165] [2019-11-07 04:36:01,339 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2019-11-07 04:36:01,340 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:36:01,346 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:36:01,356 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:36:01,356 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 04:36:12,074 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 04:36:13,943 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 04:36:14,073 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:14,283 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:14,403 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:14,662 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:36:14,804 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:15,004 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:15,244 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:36:15,254 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-11-07 04:36:15,265 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-11-07 04:36:15,634 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:15,858 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:16,162 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:16,340 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:16,489 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:16,675 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:16,790 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:16,898 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:17,109 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,266 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:17,381 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:17,504 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,653 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,803 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,966 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,095 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,253 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,422 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,550 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,671 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,801 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,914 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,041 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,183 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:19,362 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:19,478 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:19,615 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:19,763 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:19,877 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:20,002 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:20,187 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:20,320 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:20,493 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:36:20,641 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:20,815 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:20,961 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:36:20,980 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-11-07 04:36:21,157 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:21,269 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:21,430 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:21,556 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:21,778 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:21,787 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-11-07 04:36:22,067 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:36:22,720 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:23,212 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:36:23,323 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:36:23,645 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:24,065 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:36:24,195 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:36:24,475 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:24,836 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:36:25,262 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:36:25,808 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:36:26,261 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:36:27,575 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-07 04:36:27,708 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 196 [2019-11-07 04:36:27,830 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 200 [2019-11-07 04:36:28,053 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-11-07 04:36:28,186 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-11-07 04:36:28,372 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 626 [2019-11-07 04:36:28,597 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 628 [2019-11-07 04:36:28,795 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-11-07 04:36:28,946 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-11-07 04:36:29,144 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 626 [2019-11-07 04:36:29,295 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-11-07 04:36:29,490 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 617