/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_spec2_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:29:49,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:29:49,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:29:49,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:29:49,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:29:49,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:29:49,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:29:49,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:29:49,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:29:49,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:29:49,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:29:49,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:29:49,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:29:49,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:29:49,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:29:49,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:29:49,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:29:49,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:29:49,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:29:49,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:29:49,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:29:49,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:29:49,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:29:49,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:29:49,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:29:49,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:29:49,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:29:49,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:29:49,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:29:49,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:29:49,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:29:49,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:29:49,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:29:49,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:29:49,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:29:49,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:29:49,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:29:49,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:29:49,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:29:49,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:29:49,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:29:49,910 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 04:29:49,924 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:29:49,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:29:49,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:29:49,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:29:49,926 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:29:49,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:29:49,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:29:49,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:29:49,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:29:49,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:29:49,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:29:49,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:29:49,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:29:49,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:29:49,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:29:49,928 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:29:49,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:29:49,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:29:49,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:29:49,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:29:49,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:29:49,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:29:49,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:29:49,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:29:49,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:29:49,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:29:49,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:29:49,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:29:49,933 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 04:29:50,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:29:50,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:29:50,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:29:50,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:29:50,245 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:29:50,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2019-11-07 04:29:50,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cf5a482b/bd40b6f949054d0db5bd585771daf9d5/FLAGc054cf232 [2019-11-07 04:29:50,909 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:29:50,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2019-11-07 04:29:50,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cf5a482b/bd40b6f949054d0db5bd585771daf9d5/FLAGc054cf232 [2019-11-07 04:29:51,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cf5a482b/bd40b6f949054d0db5bd585771daf9d5 [2019-11-07 04:29:51,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:29:51,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:29:51,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:29:51,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:29:51,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:29:51,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:29:51" (1/1) ... [2019-11-07 04:29:51,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e69abf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:51, skipping insertion in model container [2019-11-07 04:29:51,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:29:51" (1/1) ... [2019-11-07 04:29:51,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:29:51,352 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:29:51,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:29:51,909 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:29:51,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:29:52,028 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:29:52,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52 WrapperNode [2019-11-07 04:29:52,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:29:52,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:29:52,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:29:52,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:29:52,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52" (1/1) ... [2019-11-07 04:29:52,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52" (1/1) ... [2019-11-07 04:29:52,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52" (1/1) ... [2019-11-07 04:29:52,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52" (1/1) ... [2019-11-07 04:29:52,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52" (1/1) ... [2019-11-07 04:29:52,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52" (1/1) ... [2019-11-07 04:29:52,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52" (1/1) ... [2019-11-07 04:29:52,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:29:52,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:29:52,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:29:52,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:29:52,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52" (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 04:29:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:29:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:29:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:29:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:29:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:29:52,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:29:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:29:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:29:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:29:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:29:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:29:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:29:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:29:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:29:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:29:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:29:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:29:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:29:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:29:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:29:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:29:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:29:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:29:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:29:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:29:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:29:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:29:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:29:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:29:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:29:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:29:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:29:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:29:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:29:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:29:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:29:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:29:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:29:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:29:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:29:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:29:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:29:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:29:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:29:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:29:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:29:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:29:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:29:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:29:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:29:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:29:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:29:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:29:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:29:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:29:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:29:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:29:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:29:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:29:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:29:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:29:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:29:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:29:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:29:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:29:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:29:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:29:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:29:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:29:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:29:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:29:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:29:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:29:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:29:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:29:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:29:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:29:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:29:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:29:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:29:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:29:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:29:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:29:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:29:53,688 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:29:53,688 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:29:53,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:29:53 BoogieIcfgContainer [2019-11-07 04:29:53,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:29:53,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:29:53,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:29:53,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:29:53,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:29:51" (1/3) ... [2019-11-07 04:29:53,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1346139a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:29:53, skipping insertion in model container [2019-11-07 04:29:53,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:52" (2/3) ... [2019-11-07 04:29:53,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1346139a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:29:53, skipping insertion in model container [2019-11-07 04:29:53,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:29:53" (3/3) ... [2019-11-07 04:29:53,702 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2019-11-07 04:29:53,714 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:29:53,724 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:29:53,736 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:29:53,775 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:29:53,776 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:29:53,776 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:29:53,776 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:29:53,776 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:29:53,777 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:29:53,777 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:29:53,777 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:29:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-11-07 04:29:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 04:29:53,810 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:53,812 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:53,814 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:53,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:53,821 INFO L82 PathProgramCache]: Analyzing trace with hash 71425899, now seen corresponding path program 1 times [2019-11-07 04:29:53,834 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:53,834 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657134534] [2019-11-07 04:29:53,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:54,269 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657134534] [2019-11-07 04:29:54,270 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:54,271 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:29:54,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800771620] [2019-11-07 04:29:54,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:29:54,277 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:54,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:29:54,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:29:54,293 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-11-07 04:29:54,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:54,332 INFO L93 Difference]: Finished difference Result 196 states and 243 transitions. [2019-11-07 04:29:54,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:29:54,333 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 04:29:54,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:54,349 INFO L225 Difference]: With dead ends: 196 [2019-11-07 04:29:54,349 INFO L226 Difference]: Without dead ends: 100 [2019-11-07 04:29:54,356 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 04:29:54,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-07 04:29:54,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-11-07 04:29:54,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-07 04:29:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2019-11-07 04:29:54,416 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 46 [2019-11-07 04:29:54,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:54,417 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2019-11-07 04:29:54,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:29:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2019-11-07 04:29:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:29:54,421 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:54,421 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:54,422 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:54,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:54,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1205383672, now seen corresponding path program 1 times [2019-11-07 04:29:54,422 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:54,423 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485286787] [2019-11-07 04:29:54,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:54,602 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485286787] [2019-11-07 04:29:54,602 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:54,602 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:29:54,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987704279] [2019-11-07 04:29:54,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:29:54,606 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:54,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:29:54,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:29:54,608 INFO L87 Difference]: Start difference. First operand 100 states and 117 transitions. Second operand 3 states. [2019-11-07 04:29:54,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:54,656 INFO L93 Difference]: Finished difference Result 144 states and 168 transitions. [2019-11-07 04:29:54,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:29:54,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 04:29:54,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:54,661 INFO L225 Difference]: With dead ends: 144 [2019-11-07 04:29:54,661 INFO L226 Difference]: Without dead ends: 92 [2019-11-07 04:29:54,663 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 04:29:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-07 04:29:54,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-07 04:29:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-07 04:29:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2019-11-07 04:29:54,679 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 47 [2019-11-07 04:29:54,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:54,680 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2019-11-07 04:29:54,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:29:54,680 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2019-11-07 04:29:54,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 04:29:54,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:54,683 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:54,683 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:54,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:54,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1423531564, now seen corresponding path program 1 times [2019-11-07 04:29:54,684 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:54,684 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889619214] [2019-11-07 04:29:54,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:54,888 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889619214] [2019-11-07 04:29:54,888 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:54,888 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:29:54,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507058437] [2019-11-07 04:29:54,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:29:54,891 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:54,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:29:54,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:29:54,892 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand 7 states. [2019-11-07 04:29:55,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:55,406 INFO L93 Difference]: Finished difference Result 272 states and 330 transitions. [2019-11-07 04:29:55,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:29:55,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-11-07 04:29:55,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:55,414 INFO L225 Difference]: With dead ends: 272 [2019-11-07 04:29:55,415 INFO L226 Difference]: Without dead ends: 205 [2019-11-07 04:29:55,418 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 04:29:55,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-11-07 04:29:55,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 193. [2019-11-07 04:29:55,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-11-07 04:29:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 233 transitions. [2019-11-07 04:29:55,488 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 233 transitions. Word has length 51 [2019-11-07 04:29:55,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:55,490 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 233 transitions. [2019-11-07 04:29:55,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:29:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 233 transitions. [2019-11-07 04:29:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-07 04:29:55,496 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:55,498 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:55,499 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:55,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:55,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1643938357, now seen corresponding path program 1 times [2019-11-07 04:29:55,499 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:55,500 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453236979] [2019-11-07 04:29:55,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:55,650 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453236979] [2019-11-07 04:29:55,650 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:55,650 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:29:55,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304882924] [2019-11-07 04:29:55,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:29:55,651 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:55,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:29:55,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:29:55,652 INFO L87 Difference]: Start difference. First operand 193 states and 233 transitions. Second operand 6 states. [2019-11-07 04:29:55,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:55,892 INFO L93 Difference]: Finished difference Result 511 states and 636 transitions. [2019-11-07 04:29:55,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:29:55,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-11-07 04:29:55,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:55,906 INFO L225 Difference]: With dead ends: 511 [2019-11-07 04:29:55,907 INFO L226 Difference]: Without dead ends: 343 [2019-11-07 04:29:55,908 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:29:55,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-11-07 04:29:55,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 331. [2019-11-07 04:29:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-11-07 04:29:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 403 transitions. [2019-11-07 04:29:55,979 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 403 transitions. Word has length 55 [2019-11-07 04:29:55,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:55,980 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 403 transitions. [2019-11-07 04:29:55,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:29:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 403 transitions. [2019-11-07 04:29:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-07 04:29:55,984 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:55,984 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:55,984 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:55,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:55,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1010071959, now seen corresponding path program 1 times [2019-11-07 04:29:55,985 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:55,985 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735037073] [2019-11-07 04:29:55,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:56,142 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735037073] [2019-11-07 04:29:56,143 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:56,143 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:29:56,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930271849] [2019-11-07 04:29:56,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:29:56,145 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:56,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:29:56,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:29:56,147 INFO L87 Difference]: Start difference. First operand 331 states and 403 transitions. Second operand 7 states. [2019-11-07 04:29:56,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:56,514 INFO L93 Difference]: Finished difference Result 565 states and 712 transitions. [2019-11-07 04:29:56,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:29:56,517 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-07 04:29:56,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:56,518 INFO L225 Difference]: With dead ends: 565 [2019-11-07 04:29:56,518 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:29:56,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-07 04:29:56,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:29:56,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:29:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:29:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:29:56,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-07 04:29:56,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:56,521 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:29:56,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:29:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:29:56,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:29:56,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:29:57,628 INFO L443 ceAbstractionStarter]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2019-11-07 04:29:57,628 INFO L443 ceAbstractionStarter]: For program point L245(lines 222 246) no Hoare annotation was computed. [2019-11-07 04:29:57,629 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2019-11-07 04:29:57,629 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 233) no Hoare annotation was computed. [2019-11-07 04:29:57,629 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2019-11-07 04:29:57,629 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 290) no Hoare annotation was computed. [2019-11-07 04:29:57,629 INFO L443 ceAbstractionStarter]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2019-11-07 04:29:57,629 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2019-11-07 04:29:57,629 INFO L443 ceAbstractionStarter]: For program point L306(lines 279 307) no Hoare annotation was computed. [2019-11-07 04:29:57,630 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2019-11-07 04:29:57,630 INFO L443 ceAbstractionStarter]: For program point L299(line 299) no Hoare annotation was computed. [2019-11-07 04:29:57,630 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-11-07 04:29:57,630 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2019-11-07 04:29:57,630 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 623 629) the Hoare annotation is: true [2019-11-07 04:29:57,630 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 623 629) no Hoare annotation was computed. [2019-11-07 04:29:57,631 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 630 638) no Hoare annotation was computed. [2019-11-07 04:29:57,631 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 630 638) the Hoare annotation is: true [2019-11-07 04:29:57,631 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,631 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,631 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,632 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,632 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-11-07 04:29:57,632 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-11-07 04:29:57,632 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-11-07 04:29:57,632 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-11-07 04:29:57,632 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-11-07 04:29:57,633 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-07 04:29:57,633 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:29:57,633 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-07 04:29:57,633 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:29:57,633 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-11-07 04:29:57,633 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:29:57,633 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-07 04:29:57,633 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-07 04:29:57,634 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-11-07 04:29:57,634 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-07 04:29:57,634 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-07 04:29:57,634 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-11-07 04:29:57,634 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-07 04:29:57,634 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-07 04:29:57,634 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-11-07 04:29:57,635 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-07 04:29:57,635 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-07 04:29:57,635 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-11-07 04:29:57,635 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 885 899) no Hoare annotation was computed. [2019-11-07 04:29:57,635 INFO L439 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:29:57,635 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 895) no Hoare annotation was computed. [2019-11-07 04:29:57,636 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 885 899) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-11-07 04:29:57,636 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 840 848) no Hoare annotation was computed. [2019-11-07 04:29:57,636 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 840 848) the Hoare annotation is: true [2019-11-07 04:29:57,636 INFO L443 ceAbstractionStarter]: For program point L879(line 879) no Hoare annotation was computed. [2019-11-07 04:29:57,636 INFO L443 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2019-11-07 04:29:57,636 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 849 884) no Hoare annotation was computed. [2019-11-07 04:29:57,636 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 849 884) no Hoare annotation was computed. [2019-11-07 04:29:57,637 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 616 622) no Hoare annotation was computed. [2019-11-07 04:29:57,637 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 616 622) the Hoare annotation is: true [2019-11-07 04:29:57,637 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2019-11-07 04:29:57,637 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2019-11-07 04:29:57,637 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2019-11-07 04:29:57,637 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2019-11-07 04:29:57,638 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,638 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,638 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-11-07 04:29:57,638 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-11-07 04:29:57,638 INFO L443 ceAbstractionStarter]: For program point L834-1(line 834) no Hoare annotation was computed. [2019-11-07 04:29:57,638 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 829 839) the Hoare annotation is: true [2019-11-07 04:29:57,638 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 829 839) no Hoare annotation was computed. [2019-11-07 04:29:57,639 INFO L446 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: true [2019-11-07 04:29:57,639 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 821 828) the Hoare annotation is: true [2019-11-07 04:29:57,639 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 821 828) no Hoare annotation was computed. [2019-11-07 04:29:57,639 INFO L439 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-11-07 04:29:57,639 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2019-11-07 04:29:57,639 INFO L439 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-11-07 04:29:57,640 INFO L443 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2019-11-07 04:29:57,640 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2019-11-07 04:29:57,640 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 788 812) no Hoare annotation was computed. [2019-11-07 04:29:57,640 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 788 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-11-07 04:29:57,640 INFO L439 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-11-07 04:29:57,640 INFO L443 ceAbstractionStarter]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2019-11-07 04:29:57,640 INFO L439 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-11-07 04:29:57,641 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2019-11-07 04:29:57,641 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2019-11-07 04:29:57,641 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,641 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,641 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2019-11-07 04:29:57,641 INFO L443 ceAbstractionStarter]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2019-11-07 04:29:57,641 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2019-11-07 04:29:57,642 INFO L439 ceAbstractionStarter]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,642 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,642 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-11-07 04:29:57,642 INFO L439 ceAbstractionStarter]: At program point L730-1(lines 722 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,642 INFO L443 ceAbstractionStarter]: For program point L693(lines 692 741) no Hoare annotation was computed. [2019-11-07 04:29:57,643 INFO L439 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,643 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 737) no Hoare annotation was computed. [2019-11-07 04:29:57,643 INFO L439 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,643 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-11-07 04:29:57,643 INFO L443 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2019-11-07 04:29:57,643 INFO L439 ceAbstractionStarter]: At program point L739(lines 692 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:57,644 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2019-11-07 04:29:57,644 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2019-11-07 04:29:57,644 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2019-11-07 04:29:57,644 INFO L439 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:29:57,644 INFO L443 ceAbstractionStarter]: For program point L663(lines 663 669) no Hoare annotation was computed. [2019-11-07 04:29:57,644 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 672) no Hoare annotation was computed. [2019-11-07 04:29:57,644 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:29:57,645 INFO L443 ceAbstractionStarter]: For program point L660-1(line 660) no Hoare annotation was computed. [2019-11-07 04:29:57,645 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 675) no Hoare annotation was computed. [2019-11-07 04:29:57,645 INFO L443 ceAbstractionStarter]: For program point L658-1(lines 650 678) no Hoare annotation was computed. [2019-11-07 04:29:57,645 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 650 678) the Hoare annotation is: true [2019-11-07 04:29:57,645 INFO L446 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: true [2019-11-07 04:29:57,645 INFO L443 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2019-11-07 04:29:57,645 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 650 678) no Hoare annotation was computed. [2019-11-07 04:29:57,645 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 642 649) the Hoare annotation is: true [2019-11-07 04:29:57,646 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 642 649) no Hoare annotation was computed. [2019-11-07 04:29:57,646 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 563 585) no Hoare annotation was computed. [2019-11-07 04:29:57,646 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 563 585) no Hoare annotation was computed. [2019-11-07 04:29:57,646 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2019-11-07 04:29:57,646 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 361) no Hoare annotation was computed. [2019-11-07 04:29:57,646 INFO L443 ceAbstractionStarter]: For program point L366(lines 365 385) no Hoare annotation was computed. [2019-11-07 04:29:57,646 INFO L443 ceAbstractionStarter]: For program point L397(line 397) no Hoare annotation was computed. [2019-11-07 04:29:57,647 INFO L443 ceAbstractionStarter]: For program point L397-1(line 397) no Hoare annotation was computed. [2019-11-07 04:29:57,647 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 403) no Hoare annotation was computed. [2019-11-07 04:29:57,647 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2019-11-07 04:29:57,647 INFO L443 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-11-07 04:29:57,647 INFO L443 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2019-11-07 04:29:57,647 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 344) no Hoare annotation was computed. [2019-11-07 04:29:57,647 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2019-11-07 04:29:57,647 INFO L443 ceAbstractionStarter]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2019-11-07 04:29:57,648 INFO L443 ceAbstractionStarter]: For program point L386(lines 364 387) no Hoare annotation was computed. [2019-11-07 04:29:57,648 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 606 615) no Hoare annotation was computed. [2019-11-07 04:29:57,648 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 606 615) no Hoare annotation was computed. [2019-11-07 04:29:57,648 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 04:29:57,648 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:29:57,648 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 813 820) no Hoare annotation was computed. [2019-11-07 04:29:57,648 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 813 820) no Hoare annotation was computed. [2019-11-07 04:29:57,649 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 586 594) no Hoare annotation was computed. [2019-11-07 04:29:57,649 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 586 594) no Hoare annotation was computed. [2019-11-07 04:29:57,649 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 542 553) the Hoare annotation is: true [2019-11-07 04:29:57,649 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 542 553) no Hoare annotation was computed. [2019-11-07 04:29:57,649 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:29:57,649 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:29:57,649 INFO L439 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-11-07 04:29:57,649 INFO L439 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-11-07 04:29:57,650 INFO L439 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:29:57,650 INFO L443 ceAbstractionStarter]: For program point L760(lines 759 778) no Hoare annotation was computed. [2019-11-07 04:29:57,650 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 756 779) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-11-07 04:29:57,650 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 756 779) no Hoare annotation was computed. [2019-11-07 04:29:57,650 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 756 779) no Hoare annotation was computed. [2019-11-07 04:29:57,651 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-11-07 04:29:57,651 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-07 04:29:57,651 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-11-07 04:29:57,651 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-07 04:29:57,651 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-11-07 04:29:57,651 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-11-07 04:29:57,651 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-11-07 04:29:57,652 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-11-07 04:29:57,652 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-11-07 04:29:57,652 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 554 562) the Hoare annotation is: true [2019-11-07 04:29:57,652 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 554 562) no Hoare annotation was computed. [2019-11-07 04:29:57,652 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 518 529) the Hoare annotation is: true [2019-11-07 04:29:57,652 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 518 529) no Hoare annotation was computed. [2019-11-07 04:29:57,652 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-11-07 04:29:57,653 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-11-07 04:29:57,653 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:29:57,653 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-07 04:29:57,653 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:29:57,653 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:29:57,653 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 900 907) no Hoare annotation was computed. [2019-11-07 04:29:57,653 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 900 907) the Hoare annotation is: true [2019-11-07 04:29:57,654 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 530 541) no Hoare annotation was computed. [2019-11-07 04:29:57,654 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 530 541) the Hoare annotation is: true [2019-11-07 04:29:57,654 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 596 603) the Hoare annotation is: true [2019-11-07 04:29:57,654 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2019-11-07 04:29:57,654 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 596 603) no Hoare annotation was computed. [2019-11-07 04:29:57,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:29:57 BoogieIcfgContainer [2019-11-07 04:29:57,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:29:57,679 INFO L168 Benchmark]: Toolchain (without parser) took 6467.53 ms. Allocated memory was 144.7 MB in the beginning and 289.9 MB in the end (delta: 145.2 MB). Free memory was 101.5 MB in the beginning and 197.8 MB in the end (delta: -96.3 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:57,681 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 04:29:57,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.39 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.3 MB in the beginning and 168.5 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:57,685 INFO L168 Benchmark]: Boogie Preprocessor took 80.13 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:57,691 INFO L168 Benchmark]: RCFGBuilder took 1580.35 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.5 MB in the beginning and 151.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:57,693 INFO L168 Benchmark]: TraceAbstraction took 3983.64 ms. Allocated memory was 233.8 MB in the beginning and 289.9 MB in the end (delta: 56.1 MB). Free memory was 151.4 MB in the beginning and 197.8 MB in the end (delta: -46.4 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:57,706 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 803.39 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.3 MB in the beginning and 168.5 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.13 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1580.35 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.5 MB in the beginning and 151.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3983.64 ms. Allocated memory was 233.8 MB in the beginning and 289.9 MB in the end (delta: 56.1 MB). Free memory was 151.4 MB in the beginning and 197.8 MB in the end (delta: -46.4 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 600]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 174 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 555 SDtfs, 302 SDslu, 1039 SDs, 0 SdLazy, 404 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 440 PreInvPairs, 484 NumberOfFragments, 512 HoareAnnotationTreeSize, 440 FomulaSimplifications, 447 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 1825 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 23970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...