/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_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:36:31,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:36:31,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:36:31,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:36:31,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:36:31,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:36:31,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:36:31,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:36:31,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:36:31,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:36:31,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:36:31,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:36:31,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:36:31,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:36:31,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:36:31,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:36:31,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:36:31,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:36:31,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:36:31,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:36:31,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:36:31,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:36:31,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:36:31,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:36:31,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:36:31,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:36:31,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:36:31,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:36:31,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:36:31,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:36:31,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:36:31,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:36:31,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:36:31,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:36:31,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:36:31,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:36:31,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:36:31,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:36:31,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:36:31,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:36:31,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:36:31,899 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 04:36:31,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:36:31,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:36:31,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:36:31,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:36:31,916 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:36:31,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:36:31,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:36:31,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:36:31,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:36:31,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:36:31,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:36:31,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:36:31,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:36:31,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:36:31,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:36:31,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:36:31,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:36:31,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:36:31,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:36:31,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:36:31,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:36:31,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:36:31,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:36:31,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:36:31,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:36:31,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:36:31,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:36:31,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:36:31,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:36:32,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:36:32,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:36:32,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:36:32,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:36:32,241 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:36:32,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2019-11-07 04:36:32,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b530e522f/b01321e901414aa3a635f1b85f3a054e/FLAG7ad115858 [2019-11-07 04:36:32,912 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:36:32,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2019-11-07 04:36:32,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b530e522f/b01321e901414aa3a635f1b85f3a054e/FLAG7ad115858 [2019-11-07 04:36:33,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b530e522f/b01321e901414aa3a635f1b85f3a054e [2019-11-07 04:36:33,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:36:33,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:36:33,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:36:33,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:36:33,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:36:33,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:36:33" (1/1) ... [2019-11-07 04:36:33,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e16470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33, skipping insertion in model container [2019-11-07 04:36:33,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:36:33" (1/1) ... [2019-11-07 04:36:33,220 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:36:33,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:36:33,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:36:33,684 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:36:33,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:36:33,870 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:36:33,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33 WrapperNode [2019-11-07 04:36:33,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:36:33,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:36:33,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:36:33,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:36:33,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33" (1/1) ... [2019-11-07 04:36:33,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33" (1/1) ... [2019-11-07 04:36:33,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33" (1/1) ... [2019-11-07 04:36:33,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33" (1/1) ... [2019-11-07 04:36:33,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33" (1/1) ... [2019-11-07 04:36:33,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33" (1/1) ... [2019-11-07 04:36:33,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33" (1/1) ... [2019-11-07 04:36:33,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:36:33,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:36:33,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:36:33,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:36:33,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33" (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 04:36:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:36:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:36:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:36:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:36:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:36:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:36:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:36:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:36:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:36:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:36:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:36:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:36:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:36:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:36:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:36:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:36:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:36:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:36:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:36:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:36:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:36:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:36:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:36:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:36:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:36:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:36:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:36:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:36:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:36:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:36:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:36:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:36:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:36:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:36:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:36:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:36:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:36:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:36:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:36:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:36:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:36:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:36:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:36:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:36:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:36:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:36:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:36:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:36:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:36:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:36:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:36:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:36:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:36:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:36:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:36:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:36:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:36:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:36:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:36:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:36:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:36:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:36:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:36:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:36:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:36:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:36:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:36:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:36:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:36:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:36:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:36:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:36:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:36:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:36:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:36:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:36:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:36:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:36:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:36:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:36:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:36:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:36:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:36:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:36:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:36:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:36:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:36:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:36:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:36:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:36:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:36:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:36:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:36:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:36:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:36:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:36:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:36:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:36:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:36:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:36:35,777 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:36:35,778 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:36:35,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:36:35 BoogieIcfgContainer [2019-11-07 04:36:35,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:36:35,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:36:35,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:36:35,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:36:35,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:36:33" (1/3) ... [2019-11-07 04:36:35,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e116b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:36:35, skipping insertion in model container [2019-11-07 04:36:35,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:36:33" (2/3) ... [2019-11-07 04:36:35,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e116b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:36:35, skipping insertion in model container [2019-11-07 04:36:35,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:36:35" (3/3) ... [2019-11-07 04:36:35,790 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2019-11-07 04:36:35,801 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:36:35,811 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:36:35,822 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:36:35,863 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:36:35,863 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:36:35,863 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:36:35,864 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:36:35,865 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:36:35,865 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:36:35,865 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:36:35,865 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:36:35,900 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-11-07 04:36:35,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:36:35,917 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:35,918 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 04:36:35,923 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:35,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:35,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1645885954, now seen corresponding path program 1 times [2019-11-07 04:36:35,940 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:35,941 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166075759] [2019-11-07 04:36:35,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:36,345 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 04:36:36,345 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166075759] [2019-11-07 04:36:36,347 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:36,348 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:36:36,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716528964] [2019-11-07 04:36:36,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:36:36,358 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:36,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:36:36,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:36:36,388 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-11-07 04:36:36,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:36,436 INFO L93 Difference]: Finished difference Result 238 states and 291 transitions. [2019-11-07 04:36:36,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:36:36,438 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:36:36,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:36,452 INFO L225 Difference]: With dead ends: 238 [2019-11-07 04:36:36,452 INFO L226 Difference]: Without dead ends: 121 [2019-11-07 04:36:36,457 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 04:36:36,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-07 04:36:36,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-11-07 04:36:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-07 04:36:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2019-11-07 04:36:36,517 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 52 [2019-11-07 04:36:36,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:36,517 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2019-11-07 04:36:36,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:36:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2019-11-07 04:36:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:36:36,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:36,522 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 04:36:36,523 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:36,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:36,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2118174265, now seen corresponding path program 1 times [2019-11-07 04:36:36,524 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:36,524 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776812994] [2019-11-07 04:36:36,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:36,674 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 04:36:36,675 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776812994] [2019-11-07 04:36:36,675 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:36,676 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:36:36,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693698641] [2019-11-07 04:36:36,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:36:36,678 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:36,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:36:36,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:36:36,679 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 3 states. [2019-11-07 04:36:36,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:36,720 INFO L93 Difference]: Finished difference Result 189 states and 219 transitions. [2019-11-07 04:36:36,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:36:36,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:36:36,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:36,724 INFO L225 Difference]: With dead ends: 189 [2019-11-07 04:36:36,724 INFO L226 Difference]: Without dead ends: 113 [2019-11-07 04:36:36,726 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 04:36:36,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-07 04:36:36,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-07 04:36:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-07 04:36:36,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-11-07 04:36:36,744 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 53 [2019-11-07 04:36:36,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:36,744 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-11-07 04:36:36,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:36:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-11-07 04:36:36,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 04:36:36,751 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:36,751 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] [2019-11-07 04:36:36,751 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:36,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:36,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1290882824, now seen corresponding path program 1 times [2019-11-07 04:36:36,752 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:36,753 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11784816] [2019-11-07 04:36:36,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:37,013 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 04:36:37,013 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11784816] [2019-11-07 04:36:37,014 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:37,014 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:36:37,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881828239] [2019-11-07 04:36:37,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:36:37,016 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:37,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:36:37,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:36:37,017 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 7 states. [2019-11-07 04:36:37,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:37,473 INFO L93 Difference]: Finished difference Result 338 states and 404 transitions. [2019-11-07 04:36:37,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:36:37,473 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 04:36:37,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:37,481 INFO L225 Difference]: With dead ends: 338 [2019-11-07 04:36:37,482 INFO L226 Difference]: Without dead ends: 250 [2019-11-07 04:36:37,485 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 04:36:37,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-11-07 04:36:37,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2019-11-07 04:36:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-11-07 04:36:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 289 transitions. [2019-11-07 04:36:37,547 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 289 transitions. Word has length 56 [2019-11-07 04:36:37,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:37,547 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 289 transitions. [2019-11-07 04:36:37,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:36:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 289 transitions. [2019-11-07 04:36:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 04:36:37,555 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:37,555 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 04:36:37,557 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:37,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:37,558 INFO L82 PathProgramCache]: Analyzing trace with hash 867884554, now seen corresponding path program 1 times [2019-11-07 04:36:37,558 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:37,558 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119905533] [2019-11-07 04:36:37,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:37,713 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 04:36:37,714 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119905533] [2019-11-07 04:36:37,714 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:37,714 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:36:37,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106996557] [2019-11-07 04:36:37,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:36:37,715 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:37,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:36:37,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:36:37,716 INFO L87 Difference]: Start difference. First operand 242 states and 289 transitions. Second operand 7 states. [2019-11-07 04:36:38,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:38,389 INFO L93 Difference]: Finished difference Result 624 states and 814 transitions. [2019-11-07 04:36:38,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:36:38,390 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-11-07 04:36:38,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:38,395 INFO L225 Difference]: With dead ends: 624 [2019-11-07 04:36:38,395 INFO L226 Difference]: Without dead ends: 407 [2019-11-07 04:36:38,398 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:36:38,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-11-07 04:36:38,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 357. [2019-11-07 04:36:38,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-11-07 04:36:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 426 transitions. [2019-11-07 04:36:38,450 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 426 transitions. Word has length 61 [2019-11-07 04:36:38,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:38,451 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 426 transitions. [2019-11-07 04:36:38,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:36:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 426 transitions. [2019-11-07 04:36:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-07 04:36:38,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:38,453 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] [2019-11-07 04:36:38,453 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:38,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:38,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1410427275, now seen corresponding path program 1 times [2019-11-07 04:36:38,454 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:38,454 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595437423] [2019-11-07 04:36:38,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:38,671 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 04:36:38,671 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595437423] [2019-11-07 04:36:38,672 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:38,672 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-07 04:36:38,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906478023] [2019-11-07 04:36:38,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-07 04:36:38,673 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:38,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-07 04:36:38,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:36:38,674 INFO L87 Difference]: Start difference. First operand 357 states and 426 transitions. Second operand 12 states. [2019-11-07 04:36:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:39,500 INFO L93 Difference]: Finished difference Result 1089 states and 1322 transitions. [2019-11-07 04:36:39,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-07 04:36:39,501 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 78 [2019-11-07 04:36:39,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:39,506 INFO L225 Difference]: With dead ends: 1089 [2019-11-07 04:36:39,507 INFO L226 Difference]: Without dead ends: 757 [2019-11-07 04:36:39,509 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 04:36:39,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2019-11-07 04:36:39,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 735. [2019-11-07 04:36:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-11-07 04:36:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 881 transitions. [2019-11-07 04:36:39,573 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 881 transitions. Word has length 78 [2019-11-07 04:36:39,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:39,573 INFO L462 AbstractCegarLoop]: Abstraction has 735 states and 881 transitions. [2019-11-07 04:36:39,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-07 04:36:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 881 transitions. [2019-11-07 04:36:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-07 04:36:39,576 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:39,576 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] [2019-11-07 04:36:39,577 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:39,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:39,577 INFO L82 PathProgramCache]: Analyzing trace with hash 98116235, now seen corresponding path program 1 times [2019-11-07 04:36:39,577 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:39,578 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789502083] [2019-11-07 04:36:39,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:39,768 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 04:36:39,769 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789502083] [2019-11-07 04:36:39,770 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:36:39,770 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:36:39,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197793100] [2019-11-07 04:36:39,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:36:39,771 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:36:39,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:36:39,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:36:39,772 INFO L87 Difference]: Start difference. First operand 735 states and 881 transitions. Second operand 9 states. [2019-11-07 04:36:40,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:36:40,665 INFO L93 Difference]: Finished difference Result 2333 states and 2884 transitions. [2019-11-07 04:36:40,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:36:40,665 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2019-11-07 04:36:40,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:36:40,678 INFO L225 Difference]: With dead ends: 2333 [2019-11-07 04:36:40,679 INFO L226 Difference]: Without dead ends: 1782 [2019-11-07 04:36:40,682 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 04:36:40,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2019-11-07 04:36:40,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1508. [2019-11-07 04:36:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1508 states. [2019-11-07 04:36:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1824 transitions. [2019-11-07 04:36:40,800 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1824 transitions. Word has length 81 [2019-11-07 04:36:40,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:36:40,801 INFO L462 AbstractCegarLoop]: Abstraction has 1508 states and 1824 transitions. [2019-11-07 04:36:40,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:36:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1824 transitions. [2019-11-07 04:36:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-07 04:36:40,805 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:36:40,806 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, 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] [2019-11-07 04:36:40,806 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:36:40,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:36:40,807 INFO L82 PathProgramCache]: Analyzing trace with hash 747468582, now seen corresponding path program 1 times [2019-11-07 04:36:40,807 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:36:40,807 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315313582] [2019-11-07 04:36:40,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:36:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 04:36:41,010 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315313582] [2019-11-07 04:36:41,010 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412396555] [2019-11-07 04:36:41,011 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 04:36:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:41,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 04:36:41,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:36:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:36:41,418 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:36:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 04:36:41,823 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [460310584] [2019-11-07 04:36:41,858 INFO L159 IcfgInterpreter]: Started Sifa with 100 locations of interest [2019-11-07 04:36:41,858 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:36:41,866 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:36:41,880 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:36:41,881 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 04:36:52,285 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 04:36:54,083 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 04:36:54,220 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:54,472 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:54,679 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:55,102 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:36:55,239 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:55,370 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:55,634 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:36:55,645 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-11-07 04:36:55,670 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-11-07 04:36:55,939 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:56,140 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:56,430 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:56,619 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:56,781 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:56,956 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:57,072 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:57,202 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:57,411 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:57,547 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:57,689 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:57,812 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:57,985 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:58,102 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:58,275 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:58,398 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:58,529 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:58,649 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:58,771 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:58,914 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:59,041 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:59,153 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:59,270 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:59,485 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:59,764 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:59,878 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:37:00,006 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:37:00,122 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:37:00,240 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:37:00,396 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:37:00,568 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:37:00,700 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:37:00,833 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:37:00,967 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:37:01,092 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:37:01,278 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:37:01,298 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-11-07 04:37:01,465 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:37:01,568 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:37:01,733 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:01,843 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:37:01,948 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:37:02,093 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:02,104 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-11-07 04:37:02,328 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:37:02,680 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:37:03,067 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:37:03,516 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:37:04,194 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-11-07 04:37:04,328 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-11-07 04:37:04,556 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2019-11-07 04:37:05,088 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 612 [2019-11-07 04:37:05,330 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 595 [2019-11-07 04:37:05,498 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-11-07 04:37:05,695 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2019-11-07 04:37:05,933 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-11-07 04:37:06,240 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-11-07 04:37:07,692 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 613 [2019-11-07 04:37:07,958 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-11-07 04:37:08,050 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 142 for LOIs [2019-11-07 04:37:08,058 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 144 for LOIs [2019-11-07 04:37:09,285 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 146 for LOIs [2019-11-07 04:37:09,295 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 144 for LOIs [2019-11-07 04:37:10,461 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 162 for LOIs