/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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:34:41,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:34:41,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:34:41,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:34:41,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:34:41,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:34:41,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:34:41,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:34:41,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:34:41,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:34:41,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:34:41,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:34:41,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:34:41,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:34:41,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:34:41,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:34:41,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:34:41,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:34:41,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:34:41,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:34:41,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:34:41,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:34:41,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:34:41,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:34:41,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:34:41,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:34:41,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:34:41,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:34:41,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:34:41,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:34:41,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:34:41,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:34:41,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:34:41,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:34:41,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:34:41,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:34:41,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:34:41,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:34:41,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:34:41,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:34:41,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:34:41,910 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 04:34:41,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:34:41,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:34:41,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:34:41,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:34:41,934 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:34:41,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:34:41,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:34:41,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:34:41,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:34:41,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:34:41,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:34:41,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:34:41,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:34:41,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:34:41,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:34:41,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:34:41,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:34:41,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:34:41,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:34:41,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:34:41,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:34:41,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:34:41,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:34:41,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:34:41,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:34:41,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:34:41,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:34:41,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:34:41,941 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 04:34:42,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:34:42,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:34:42,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:34:42,234 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:34:42,234 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:34:42,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-11-07 04:34:42,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91cdc0fa/0ba320c287c049c4949c0c1849fc0bee/FLAGbb434e01d [2019-11-07 04:34:42,884 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:34:42,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-11-07 04:34:42,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91cdc0fa/0ba320c287c049c4949c0c1849fc0bee/FLAGbb434e01d [2019-11-07 04:34:43,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91cdc0fa/0ba320c287c049c4949c0c1849fc0bee [2019-11-07 04:34:43,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:34:43,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:34:43,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:34:43,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:34:43,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:34:43,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:34:43" (1/1) ... [2019-11-07 04:34:43,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237c4ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43, skipping insertion in model container [2019-11-07 04:34:43,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:34:43" (1/1) ... [2019-11-07 04:34:43,194 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:34:43,246 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:34:43,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:34:43,750 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:34:43,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:34:43,889 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:34:43,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43 WrapperNode [2019-11-07 04:34:43,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:34:43,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:34:43,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:34:43,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:34:43,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43" (1/1) ... [2019-11-07 04:34:43,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43" (1/1) ... [2019-11-07 04:34:43,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43" (1/1) ... [2019-11-07 04:34:43,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43" (1/1) ... [2019-11-07 04:34:43,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43" (1/1) ... [2019-11-07 04:34:43,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43" (1/1) ... [2019-11-07 04:34:43,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43" (1/1) ... [2019-11-07 04:34:44,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:34:44,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:34:44,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:34:44,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:34:44,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43" (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 04:34:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:34:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:34:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:34:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:34:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:34:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:34:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:34:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:34:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 04:34:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:34:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:34:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:34:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:34:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:34:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:34:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:34:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:34:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:34:44,094 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:34:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:34:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:34:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:34:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:34:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:34:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:34:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:34:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:34:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:34:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:34:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:34:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:34:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:34:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:34:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:34:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:34:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:34:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:34:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:34:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:34:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:34:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:34:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:34:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:34:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:34:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:34:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:34:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:34:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:34:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:34:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:34:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:34:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:34:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:34:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:34:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:34:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:34:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:34:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:34:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 04:34:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:34:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:34:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:34:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:34:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:34:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:34:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:34:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:34:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:34:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:34:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:34:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:34:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:34:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:34:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:34:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:34:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:34:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:34:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:34:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:34:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:34:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:34:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:34:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:34:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:34:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:34:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:34:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:34:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:34:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:34:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:34:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:34:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:34:45,589 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:34:45,589 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:34:45,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:34:45 BoogieIcfgContainer [2019-11-07 04:34:45,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:34:45,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:34:45,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:34:45,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:34:45,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:34:43" (1/3) ... [2019-11-07 04:34:45,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503d6000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:34:45, skipping insertion in model container [2019-11-07 04:34:45,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:43" (2/3) ... [2019-11-07 04:34:45,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503d6000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:34:45, skipping insertion in model container [2019-11-07 04:34:45,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:34:45" (3/3) ... [2019-11-07 04:34:45,602 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2019-11-07 04:34:45,613 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:34:45,622 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:34:45,634 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:34:45,670 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:34:45,670 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:34:45,670 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:34:45,670 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:34:45,670 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:34:45,671 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:34:45,671 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:34:45,671 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:34:45,699 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-11-07 04:34:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:34:45,712 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:45,714 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 04:34:45,716 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:45,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:45,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1377721938, now seen corresponding path program 1 times [2019-11-07 04:34:45,735 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:45,736 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860326579] [2019-11-07 04:34:45,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:46,152 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 04:34:46,153 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860326579] [2019-11-07 04:34:46,154 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:46,155 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:34:46,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392808379] [2019-11-07 04:34:46,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:34:46,164 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:46,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:34:46,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:34:46,186 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-11-07 04:34:46,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:46,246 INFO L93 Difference]: Finished difference Result 176 states and 215 transitions. [2019-11-07 04:34:46,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:34:46,247 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:34:46,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:46,268 INFO L225 Difference]: With dead ends: 176 [2019-11-07 04:34:46,269 INFO L226 Difference]: Without dead ends: 90 [2019-11-07 04:34:46,282 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 04:34:46,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-07 04:34:46,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-11-07 04:34:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-07 04:34:46,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-11-07 04:34:46,367 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 52 [2019-11-07 04:34:46,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:46,367 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-11-07 04:34:46,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:34:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-11-07 04:34:46,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:34:46,371 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:46,371 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 04:34:46,372 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:46,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:46,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1100288264, now seen corresponding path program 1 times [2019-11-07 04:34:46,373 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:46,373 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543925047] [2019-11-07 04:34:46,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:46,523 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 04:34:46,524 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543925047] [2019-11-07 04:34:46,524 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:46,524 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:34:46,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026765616] [2019-11-07 04:34:46,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:34:46,527 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:46,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:34:46,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:34:46,528 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 3 states. [2019-11-07 04:34:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:46,551 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2019-11-07 04:34:46,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:34:46,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:34:46,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:46,557 INFO L225 Difference]: With dead ends: 122 [2019-11-07 04:34:46,558 INFO L226 Difference]: Without dead ends: 82 [2019-11-07 04:34:46,559 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 04:34:46,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-11-07 04:34:46,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-11-07 04:34:46,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-07 04:34:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2019-11-07 04:34:46,579 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 53 [2019-11-07 04:34:46,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:46,580 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2019-11-07 04:34:46,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:34:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2019-11-07 04:34:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 04:34:46,588 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:46,589 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:34:46,589 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:46,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:46,589 INFO L82 PathProgramCache]: Analyzing trace with hash -626189839, now seen corresponding path program 1 times [2019-11-07 04:34:46,593 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:46,593 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078184902] [2019-11-07 04:34:46,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:46,863 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 04:34:46,863 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078184902] [2019-11-07 04:34:46,863 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:46,864 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:34:46,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96236322] [2019-11-07 04:34:46,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:34:46,865 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:46,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:34:46,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:34:46,866 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2019-11-07 04:34:47,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:47,250 INFO L93 Difference]: Finished difference Result 246 states and 293 transitions. [2019-11-07 04:34:47,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:34:47,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-11-07 04:34:47,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:47,254 INFO L225 Difference]: With dead ends: 246 [2019-11-07 04:34:47,254 INFO L226 Difference]: Without dead ends: 189 [2019-11-07 04:34:47,255 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 04:34:47,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-11-07 04:34:47,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 167. [2019-11-07 04:34:47,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-11-07 04:34:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 196 transitions. [2019-11-07 04:34:47,282 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 196 transitions. Word has length 57 [2019-11-07 04:34:47,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:47,282 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 196 transitions. [2019-11-07 04:34:47,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:34:47,283 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 196 transitions. [2019-11-07 04:34:47,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 04:34:47,285 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:47,285 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] [2019-11-07 04:34:47,286 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:47,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:47,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1748502135, now seen corresponding path program 1 times [2019-11-07 04:34:47,289 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:47,290 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378884834] [2019-11-07 04:34:47,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:47,418 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 04:34:47,419 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378884834] [2019-11-07 04:34:47,419 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:47,419 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:34:47,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239296105] [2019-11-07 04:34:47,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:34:47,421 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:47,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:34:47,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:34:47,422 INFO L87 Difference]: Start difference. First operand 167 states and 196 transitions. Second operand 6 states. [2019-11-07 04:34:47,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:47,582 INFO L93 Difference]: Finished difference Result 297 states and 361 transitions. [2019-11-07 04:34:47,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:34:47,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-11-07 04:34:47,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:47,585 INFO L225 Difference]: With dead ends: 297 [2019-11-07 04:34:47,585 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:34:47,587 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 04:34:47,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:34:47,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:34:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:34:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:34:47,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2019-11-07 04:34:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:47,589 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:34:47,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:34:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:34:47,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:34:47,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:34:47,979 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 600) no Hoare annotation was computed. [2019-11-07 04:34:47,979 INFO L443 ceAbstractionStarter]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2019-11-07 04:34:47,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2019-11-07 04:34:47,979 INFO L443 ceAbstractionStarter]: For program point L612(lines 589 613) no Hoare annotation was computed. [2019-11-07 04:34:47,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2019-11-07 04:34:47,979 INFO L443 ceAbstractionStarter]: For program point L673(lines 646 674) no Hoare annotation was computed. [2019-11-07 04:34:47,980 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-11-07 04:34:47,980 INFO L443 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2019-11-07 04:34:47,980 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2019-11-07 04:34:47,980 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2019-11-07 04:34:47,980 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 657) no Hoare annotation was computed. [2019-11-07 04:34:47,980 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2019-11-07 04:34:47,980 INFO L443 ceAbstractionStarter]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2019-11-07 04:34:47,982 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 897 903) the Hoare annotation is: true [2019-11-07 04:34:47,983 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 897 903) no Hoare annotation was computed. [2019-11-07 04:34:47,983 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 904 912) no Hoare annotation was computed. [2019-11-07 04:34:47,983 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 904 912) the Hoare annotation is: true [2019-11-07 04:34:47,983 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-11-07 04:34:47,983 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-11-07 04:34:47,984 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-11-07 04:34:47,984 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-11-07 04:34:47,984 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-11-07 04:34:47,984 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-11-07 04:34:47,984 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:34:47,984 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-11-07 04:34:47,985 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-07 04:34:47,985 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-11-07 04:34:47,985 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-11-07 04:34:47,986 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-11-07 04:34:47,986 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-11-07 04:34:47,986 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-11-07 04:34:47,986 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-11-07 04:34:47,986 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-11-07 04:34:47,987 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:34:47,987 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2019-11-07 04:34:47,987 INFO L439 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:47,987 INFO L439 ceAbstractionStarter]: At program point L501-1(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:47,988 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-11-07 04:34:47,988 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2019-11-07 04:34:47,988 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-07 04:34:47,988 INFO L439 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:34:47,988 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:34:47,988 INFO L439 ceAbstractionStarter]: At program point L495-1(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:34:47,988 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-07 04:34:47,989 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 444 467) no Hoare annotation was computed. [2019-11-07 04:34:47,989 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 444 467) no Hoare annotation was computed. [2019-11-07 04:34:47,989 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 444 467) no Hoare annotation was computed. [2019-11-07 04:34:47,989 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-11-07 04:34:47,989 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-07 04:34:47,989 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-07 04:34:47,989 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-11-07 04:34:47,989 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-07 04:34:47,990 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-07 04:34:47,990 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-11-07 04:34:47,990 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-07 04:34:47,990 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-07 04:34:47,990 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-11-07 04:34:47,990 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-07 04:34:47,990 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-07 04:34:47,990 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-11-07 04:34:47,991 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 228 242) no Hoare annotation was computed. [2019-11-07 04:34:47,991 INFO L439 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:34:47,991 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 238) no Hoare annotation was computed. [2019-11-07 04:34:47,991 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 228 242) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-11-07 04:34:47,991 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 138 145) no Hoare annotation was computed. [2019-11-07 04:34:47,991 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 138 145) no Hoare annotation was computed. [2019-11-07 04:34:47,991 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 183 191) no Hoare annotation was computed. [2019-11-07 04:34:47,992 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 183 191) the Hoare annotation is: true [2019-11-07 04:34:47,992 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-11-07 04:34:47,992 INFO L443 ceAbstractionStarter]: For program point L222-1(line 222) no Hoare annotation was computed. [2019-11-07 04:34:47,992 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 192 227) no Hoare annotation was computed. [2019-11-07 04:34:47,992 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 192 227) no Hoare annotation was computed. [2019-11-07 04:34:47,992 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 890 896) no Hoare annotation was computed. [2019-11-07 04:34:47,992 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 890 896) the Hoare annotation is: true [2019-11-07 04:34:47,992 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2019-11-07 04:34:47,992 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2019-11-07 04:34:47,993 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2019-11-07 04:34:47,993 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2019-11-07 04:34:47,993 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:34:47,993 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 475 485) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:34:47,993 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 475 485) no Hoare annotation was computed. [2019-11-07 04:34:47,993 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 475 485) no Hoare annotation was computed. [2019-11-07 04:34:47,993 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-07 04:34:47,993 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-11-07 04:34:47,994 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 172 182) no Hoare annotation was computed. [2019-11-07 04:34:47,994 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 172 182) no Hoare annotation was computed. [2019-11-07 04:34:47,994 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 164 171) the Hoare annotation is: true [2019-11-07 04:34:47,994 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 164 171) no Hoare annotation was computed. [2019-11-07 04:34:47,994 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 131 137) no Hoare annotation was computed. [2019-11-07 04:34:47,994 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 131 137) the Hoare annotation is: true [2019-11-07 04:34:47,994 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 335 402) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:34:47,994 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 335 402) no Hoare annotation was computed. [2019-11-07 04:34:47,995 INFO L439 ceAbstractionStarter]: At program point L395(lines 344 396) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:47,995 INFO L439 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:47,995 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2019-11-07 04:34:47,995 INFO L439 ceAbstractionStarter]: At program point L383-1(lines 375 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:47,995 INFO L443 ceAbstractionStarter]: For program point L346(lines 345 394) no Hoare annotation was computed. [2019-11-07 04:34:47,995 INFO L439 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:47,995 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 390) no Hoare annotation was computed. [2019-11-07 04:34:47,996 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:47,996 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 371) no Hoare annotation was computed. [2019-11-07 04:34:47,996 INFO L443 ceAbstractionStarter]: For program point L365-1(lines 365 371) no Hoare annotation was computed. [2019-11-07 04:34:47,996 INFO L439 ceAbstractionStarter]: At program point L392(lines 345 394) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:47,996 INFO L439 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:47,996 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2019-11-07 04:34:47,997 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 335 402) no Hoare annotation was computed. [2019-11-07 04:34:47,997 INFO L443 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2019-11-07 04:34:47,997 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2019-11-07 04:34:47,997 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2019-11-07 04:34:47,997 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 301 323) no Hoare annotation was computed. [2019-11-07 04:34:47,997 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 301 323) no Hoare annotation was computed. [2019-11-07 04:34:47,997 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2019-11-07 04:34:47,997 INFO L443 ceAbstractionStarter]: For program point L733(lines 732 752) no Hoare annotation was computed. [2019-11-07 04:34:47,998 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-11-07 04:34:47,998 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-11-07 04:34:47,998 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 770) no Hoare annotation was computed. [2019-11-07 04:34:47,998 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-11-07 04:34:47,998 INFO L443 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2019-11-07 04:34:47,998 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2019-11-07 04:34:47,998 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 711) no Hoare annotation was computed. [2019-11-07 04:34:47,998 INFO L443 ceAbstractionStarter]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2019-11-07 04:34:47,999 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2019-11-07 04:34:47,999 INFO L443 ceAbstractionStarter]: For program point L753(lines 731 754) no Hoare annotation was computed. [2019-11-07 04:34:48,002 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 728) no Hoare annotation was computed. [2019-11-07 04:34:48,003 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 880 889) no Hoare annotation was computed. [2019-11-07 04:34:48,003 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 880 889) no Hoare annotation was computed. [2019-11-07 04:34:48,003 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:34:48,003 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:34:48,003 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-11-07 04:34:48,003 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 147 163) no Hoare annotation was computed. [2019-11-07 04:34:48,003 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 147 163) no Hoare annotation was computed. [2019-11-07 04:34:48,004 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 160) no Hoare annotation was computed. [2019-11-07 04:34:48,004 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 147 163) no Hoare annotation was computed. [2019-11-07 04:34:48,006 INFO L443 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2019-11-07 04:34:48,007 INFO L443 ceAbstractionStarter]: For program point L152-1(line 152) no Hoare annotation was computed. [2019-11-07 04:34:48,007 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 324 332) the Hoare annotation is: true [2019-11-07 04:34:48,008 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 324 332) no Hoare annotation was computed. [2019-11-07 04:34:48,008 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 280 291) the Hoare annotation is: true [2019-11-07 04:34:48,008 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 280 291) no Hoare annotation was computed. [2019-11-07 04:34:48,008 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:34:48,008 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:34:48,008 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 292 300) no Hoare annotation was computed. [2019-11-07 04:34:48,008 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 292 300) no Hoare annotation was computed. [2019-11-07 04:34:48,008 INFO L439 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-11-07 04:34:48,008 INFO L446 ceAbstractionStarter]: At program point L118(lines 118 124) the Hoare annotation is: true [2019-11-07 04:34:48,009 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:34:48,009 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 104 130) the Hoare annotation is: true [2019-11-07 04:34:48,009 INFO L443 ceAbstractionStarter]: For program point L111(lines 107 129) no Hoare annotation was computed. [2019-11-07 04:34:48,009 INFO L443 ceAbstractionStarter]: For program point L109(lines 107 129) no Hoare annotation was computed. [2019-11-07 04:34:48,009 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 104 130) no Hoare annotation was computed. [2019-11-07 04:34:48,009 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 104 130) no Hoare annotation was computed. [2019-11-07 04:34:48,009 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 414 443) no Hoare annotation was computed. [2019-11-07 04:34:48,009 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 414 443) the Hoare annotation is: true [2019-11-07 04:34:48,010 INFO L446 ceAbstractionStarter]: At program point L439(lines 414 443) the Hoare annotation is: true [2019-11-07 04:34:48,010 INFO L443 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2019-11-07 04:34:48,010 INFO L443 ceAbstractionStarter]: For program point L428(lines 428 432) no Hoare annotation was computed. [2019-11-07 04:34:48,010 INFO L446 ceAbstractionStarter]: At program point L428-1(lines 428 432) the Hoare annotation is: true [2019-11-07 04:34:48,010 INFO L446 ceAbstractionStarter]: At program point L424-2(lines 424 438) the Hoare annotation is: true [2019-11-07 04:34:48,010 INFO L446 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: true [2019-11-07 04:34:48,010 INFO L443 ceAbstractionStarter]: For program point L420-1(line 420) no Hoare annotation was computed. [2019-11-07 04:34:48,011 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 256 267) the Hoare annotation is: true [2019-11-07 04:34:48,011 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 256 267) no Hoare annotation was computed. [2019-11-07 04:34:48,011 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 468 474) no Hoare annotation was computed. [2019-11-07 04:34:48,011 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 468 474) the Hoare annotation is: true [2019-11-07 04:34:48,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:34:48,011 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-07 04:34:48,011 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:34:48,012 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:34:48,012 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 243 250) no Hoare annotation was computed. [2019-11-07 04:34:48,012 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 243 250) the Hoare annotation is: true [2019-11-07 04:34:48,012 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 268 279) no Hoare annotation was computed. [2019-11-07 04:34:48,012 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 268 279) the Hoare annotation is: true [2019-11-07 04:34:48,012 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2019-11-07 04:34:48,012 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 404 411) the Hoare annotation is: true [2019-11-07 04:34:48,012 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 404 411) no Hoare annotation was computed. [2019-11-07 04:34:48,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:34:48 BoogieIcfgContainer [2019-11-07 04:34:48,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:34:48,041 INFO L168 Benchmark]: Toolchain (without parser) took 4861.23 ms. Allocated memory was 138.4 MB in the beginning and 246.4 MB in the end (delta: 108.0 MB). Free memory was 100.9 MB in the beginning and 197.5 MB in the end (delta: -96.5 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:48,042 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 04:34:48,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.11 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 170.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:48,045 INFO L168 Benchmark]: Boogie Preprocessor took 109.66 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:48,048 INFO L168 Benchmark]: RCFGBuilder took 1588.24 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 155.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:48,052 INFO L168 Benchmark]: TraceAbstraction took 2444.35 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 153.5 MB in the beginning and 197.5 MB in the end (delta: -43.9 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:48,063 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.11 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 170.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.66 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1588.24 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 155.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2444.35 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 153.5 MB in the beginning and 197.5 MB in the end (delta: -43.9 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 408]: 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: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 175 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 402 SDtfs, 188 SDslu, 660 SDs, 0 SdLazy, 218 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=3, 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, 4 MinimizatonAttempts, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 202 PreInvPairs, 224 NumberOfFragments, 318 HoareAnnotationTreeSize, 202 FomulaSimplifications, 129 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 587 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...