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_spec1_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:17,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:17,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:17,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:17,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:17,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:17,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:17,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:17,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:17,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:17,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:17,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:17,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:17,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:17,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:17,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:17,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:17,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:17,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:17,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:17,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:17,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:17,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:17,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:17,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:17,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:17,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:17,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:17,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:17,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:17,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:17,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:17,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:17,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:17,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:17,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:17,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:17,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:17,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:17,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:17,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:17,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:14:17,213 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:17,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:17,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:17,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:17,215 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:17,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:17,216 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:17,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:17,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:17,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:17,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:17,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:17,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:17,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:17,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:17,218 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:17,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:17,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:17,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:17,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:17,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:17,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:17,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:17,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:17,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:17,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:17,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:17,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:17,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:14:17,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:17,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:17,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:17,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:17,564 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:17,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2019-10-13 23:14:17,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef11d237c/ecd7e356022a47928552b0fe3b6d9744/FLAGa621b02ad [2019-10-13 23:14:18,170 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:18,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2019-10-13 23:14:18,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef11d237c/ecd7e356022a47928552b0fe3b6d9744/FLAGa621b02ad [2019-10-13 23:14:18,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef11d237c/ecd7e356022a47928552b0fe3b6d9744 [2019-10-13 23:14:18,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:18,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:18,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:18,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:18,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:18,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:18" (1/1) ... [2019-10-13 23:14:18,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac730e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18, skipping insertion in model container [2019-10-13 23:14:18,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:18" (1/1) ... [2019-10-13 23:14:18,473 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:18,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:18,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:19,007 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:19,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:19,143 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:19,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19 WrapperNode [2019-10-13 23:14:19,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:19,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:19,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:19,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:19,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:19,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:19,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:19,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:19,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:14:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:14:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:14:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:14:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:20,858 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:20,859 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:20,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:20 BoogieIcfgContainer [2019-10-13 23:14:20,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:20,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:20,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:20,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:20,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:18" (1/3) ... [2019-10-13 23:14:20,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6a8549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:20, skipping insertion in model container [2019-10-13 23:14:20,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (2/3) ... [2019-10-13 23:14:20,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6a8549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:20, skipping insertion in model container [2019-10-13 23:14:20,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:20" (3/3) ... [2019-10-13 23:14:20,871 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2019-10-13 23:14:20,883 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:20,893 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:20,908 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:20,938 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:20,938 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:20,938 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:20,939 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:20,939 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:20,939 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:20,939 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:20,940 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2019-10-13 23:14:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:20,975 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:20,977 INFO L380 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] [2019-10-13 23:14:20,979 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:20,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:20,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1245643934, now seen corresponding path program 1 times [2019-10-13 23:14:20,999 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:21,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118095289] [2019-10-13 23:14:21,000 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:21,347 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118095289] [2019-10-13 23:14:21,348 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:21,349 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:21,349 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465250444] [2019-10-13 23:14:21,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:21,356 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:21,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:21,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:21,374 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2019-10-13 23:14:21,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:21,444 INFO L93 Difference]: Finished difference Result 147 states and 178 transitions. [2019-10-13 23:14:21,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:21,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:21,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:21,465 INFO L225 Difference]: With dead ends: 147 [2019-10-13 23:14:21,465 INFO L226 Difference]: Without dead ends: 74 [2019-10-13 23:14:21,475 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:21,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-13 23:14:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-13 23:14:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-13 23:14:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2019-10-13 23:14:21,572 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 42 [2019-10-13 23:14:21,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:21,573 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2019-10-13 23:14:21,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:21,573 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2019-10-13 23:14:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:21,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:21,580 INFO L380 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] [2019-10-13 23:14:21,580 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:21,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:21,582 INFO L82 PathProgramCache]: Analyzing trace with hash -492732776, now seen corresponding path program 1 times [2019-10-13 23:14:21,582 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:21,583 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336186125] [2019-10-13 23:14:21,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:21,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336186125] [2019-10-13 23:14:21,778 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:21,779 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:21,779 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103199299] [2019-10-13 23:14:21,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:21,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:21,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:21,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:21,783 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand 3 states. [2019-10-13 23:14:21,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:21,807 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2019-10-13 23:14:21,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:21,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:21,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:21,810 INFO L225 Difference]: With dead ends: 101 [2019-10-13 23:14:21,810 INFO L226 Difference]: Without dead ends: 66 [2019-10-13 23:14:21,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:21,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-13 23:14:21,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-10-13 23:14:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-10-13 23:14:21,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2019-10-13 23:14:21,821 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 43 [2019-10-13 23:14:21,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:21,822 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2019-10-13 23:14:21,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:21,822 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2019-10-13 23:14:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:14:21,824 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:21,824 INFO L380 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] [2019-10-13 23:14:21,824 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:21,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:21,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1257957331, now seen corresponding path program 1 times [2019-10-13 23:14:21,825 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:21,825 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712712209] [2019-10-13 23:14:21,825 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,826 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:21,992 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712712209] [2019-10-13 23:14:21,993 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:21,993 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:21,993 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995997561] [2019-10-13 23:14:21,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:21,995 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:21,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:21,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:21,996 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand 7 states. [2019-10-13 23:14:22,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:22,325 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2019-10-13 23:14:22,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:22,329 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:14:22,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:22,330 INFO L225 Difference]: With dead ends: 110 [2019-10-13 23:14:22,330 INFO L226 Difference]: Without dead ends: 66 [2019-10-13 23:14:22,331 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-13 23:14:22,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-10-13 23:14:22,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-10-13 23:14:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2019-10-13 23:14:22,340 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 46 [2019-10-13 23:14:22,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:22,341 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2019-10-13 23:14:22,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:22,341 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2019-10-13 23:14:22,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:14:22,342 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:22,343 INFO L380 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] [2019-10-13 23:14:22,343 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:22,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:22,343 INFO L82 PathProgramCache]: Analyzing trace with hash 3593456, now seen corresponding path program 1 times [2019-10-13 23:14:22,344 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:22,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712169053] [2019-10-13 23:14:22,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:22,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:22,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:22,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712169053] [2019-10-13 23:14:22,464 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:22,464 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:22,465 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321287590] [2019-10-13 23:14:22,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:22,466 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:22,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:22,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:22,466 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 6 states. [2019-10-13 23:14:22,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:22,625 INFO L93 Difference]: Finished difference Result 147 states and 165 transitions. [2019-10-13 23:14:22,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:22,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-13 23:14:22,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:22,631 INFO L225 Difference]: With dead ends: 147 [2019-10-13 23:14:22,631 INFO L226 Difference]: Without dead ends: 103 [2019-10-13 23:14:22,632 INFO L600 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 [2019-10-13 23:14:22,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-13 23:14:22,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2019-10-13 23:14:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 23:14:22,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 108 transitions. [2019-10-13 23:14:22,649 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 108 transitions. Word has length 49 [2019-10-13 23:14:22,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:22,649 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 108 transitions. [2019-10-13 23:14:22,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2019-10-13 23:14:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:14:22,651 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:22,652 INFO L380 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] [2019-10-13 23:14:22,652 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:22,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:22,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1508660801, now seen corresponding path program 1 times [2019-10-13 23:14:22,653 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:22,653 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377468483] [2019-10-13 23:14:22,653 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:22,653 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:22,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:22,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377468483] [2019-10-13 23:14:22,740 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:22,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:22,740 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869281020] [2019-10-13 23:14:22,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:22,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:22,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:22,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:22,742 INFO L87 Difference]: Start difference. First operand 99 states and 108 transitions. Second operand 6 states. [2019-10-13 23:14:22,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:22,875 INFO L93 Difference]: Finished difference Result 169 states and 190 transitions. [2019-10-13 23:14:22,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:22,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-10-13 23:14:22,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:22,877 INFO L225 Difference]: With dead ends: 169 [2019-10-13 23:14:22,877 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:22,879 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:22,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:22,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:22,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2019-10-13 23:14:22,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:22,880 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:22,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:22,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:22,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:23,491 INFO L443 ceAbstractionStarter]: For program point L382-2(lines 382 403) no Hoare annotation was computed. [2019-10-13 23:14:23,491 INFO L443 ceAbstractionStarter]: For program point L404(lines 381 405) no Hoare annotation was computed. [2019-10-13 23:14:23,491 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 357 412) no Hoare annotation was computed. [2019-10-13 23:14:23,491 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 392) no Hoare annotation was computed. [2019-10-13 23:14:23,491 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 357 412) no Hoare annotation was computed. [2019-10-13 23:14:23,492 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 449) no Hoare annotation was computed. [2019-10-13 23:14:23,492 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 413 472) no Hoare annotation was computed. [2019-10-13 23:14:23,492 INFO L443 ceAbstractionStarter]: For program point L439-2(lines 439 464) no Hoare annotation was computed. [2019-10-13 23:14:23,492 INFO L443 ceAbstractionStarter]: For program point L465(lines 438 466) no Hoare annotation was computed. [2019-10-13 23:14:23,492 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 413 472) no Hoare annotation was computed. [2019-10-13 23:14:23,492 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 23:14:23,492 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 413 472) no Hoare annotation was computed. [2019-10-13 23:14:23,493 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-10-13 23:14:23,493 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2019-10-13 23:14:23,493 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2019-10-13 23:14:23,493 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2019-10-13 23:14:23,493 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2019-10-13 23:14:23,493 INFO L443 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2019-10-13 23:14:23,494 INFO L439 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:23,496 INFO L439 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:23,497 INFO L439 ceAbstractionStarter]: At program point L287-1(line 287) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:23,497 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 281 303) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:23,497 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 281 303) no Hoare annotation was computed. [2019-10-13 23:14:23,497 INFO L439 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:23,497 INFO L439 ceAbstractionStarter]: At program point L293-1(line 293) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:23,497 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 298) no Hoare annotation was computed. [2019-10-13 23:14:23,498 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 298) no Hoare annotation was computed. [2019-10-13 23:14:23,498 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 237 260) no Hoare annotation was computed. [2019-10-13 23:14:23,498 INFO L443 ceAbstractionStarter]: For program point L255(line 255) no Hoare annotation was computed. [2019-10-13 23:14:23,498 INFO L443 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2019-10-13 23:14:23,498 INFO L443 ceAbstractionStarter]: For program point L253(line 253) no Hoare annotation was computed. [2019-10-13 23:14:23,498 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 237 260) no Hoare annotation was computed. [2019-10-13 23:14:23,498 INFO L443 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2019-10-13 23:14:23,498 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 237 260) no Hoare annotation was computed. [2019-10-13 23:14:23,499 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-10-13 23:14:23,499 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-13 23:14:23,499 INFO L443 ceAbstractionStarter]: For program point L249(line 249) no Hoare annotation was computed. [2019-10-13 23:14:23,499 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-10-13 23:14:23,499 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-13 23:14:23,499 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-10-13 23:14:23,499 INFO L443 ceAbstractionStarter]: For program point L245(line 245) no Hoare annotation was computed. [2019-10-13 23:14:23,499 INFO L443 ceAbstractionStarter]: For program point L244(line 244) no Hoare annotation was computed. [2019-10-13 23:14:23,500 INFO L443 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2019-10-13 23:14:23,500 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-10-13 23:14:23,500 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 709 716) no Hoare annotation was computed. [2019-10-13 23:14:23,500 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 709 716) no Hoare annotation was computed. [2019-10-13 23:14:23,500 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 754 762) no Hoare annotation was computed. [2019-10-13 23:14:23,500 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 754 762) the Hoare annotation is: true [2019-10-13 23:14:23,500 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-13 23:14:23,501 INFO L443 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2019-10-13 23:14:23,501 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 763 798) no Hoare annotation was computed. [2019-10-13 23:14:23,501 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 763 798) no Hoare annotation was computed. [2019-10-13 23:14:23,501 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2019-10-13 23:14:23,501 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2019-10-13 23:14:23,501 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 311 356) no Hoare annotation was computed. [2019-10-13 23:14:23,501 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 311 356) no Hoare annotation was computed. [2019-10-13 23:14:23,502 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 624 669) no Hoare annotation was computed. [2019-10-13 23:14:23,502 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 624 669) no Hoare annotation was computed. [2019-10-13 23:14:23,502 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 268 277) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:23,502 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 268 277) no Hoare annotation was computed. [2019-10-13 23:14:23,502 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 268 277) no Hoare annotation was computed. [2019-10-13 23:14:23,502 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 743 753) no Hoare annotation was computed. [2019-10-13 23:14:23,502 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-10-13 23:14:23,502 INFO L443 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2019-10-13 23:14:23,503 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 743 753) no Hoare annotation was computed. [2019-10-13 23:14:23,503 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 735 742) no Hoare annotation was computed. [2019-10-13 23:14:23,503 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 735 742) no Hoare annotation was computed. [2019-10-13 23:14:23,503 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 708) no Hoare annotation was computed. [2019-10-13 23:14:23,503 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 702 708) the Hoare annotation is: true [2019-10-13 23:14:23,503 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 138 203) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:23,503 INFO L439 ceAbstractionStarter]: At program point L186-2(lines 178 191) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:23,504 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 138 203) no Hoare annotation was computed. [2019-10-13 23:14:23,504 INFO L443 ceAbstractionStarter]: For program point L149(lines 148 195) no Hoare annotation was computed. [2019-10-13 23:14:23,504 INFO L439 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:23,504 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 191) no Hoare annotation was computed. [2019-10-13 23:14:23,504 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:23,504 INFO L443 ceAbstractionStarter]: For program point L168(lines 168 174) no Hoare annotation was computed. [2019-10-13 23:14:23,505 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2019-10-13 23:14:23,505 INFO L439 ceAbstractionStarter]: At program point L193(lines 148 195) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:23,505 INFO L439 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-13 23:14:23,505 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-10-13 23:14:23,510 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2019-10-13 23:14:23,510 INFO L439 ceAbstractionStarter]: At program point L196(lines 147 197) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:23,511 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 138 203) no Hoare annotation was computed. [2019-10-13 23:14:23,511 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 578 623) no Hoare annotation was computed. [2019-10-13 23:14:23,511 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 578 623) no Hoare annotation was computed. [2019-10-13 23:14:23,511 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 102 124) no Hoare annotation was computed. [2019-10-13 23:14:23,511 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 102 124) no Hoare annotation was computed. [2019-10-13 23:14:23,511 INFO L443 ceAbstractionStarter]: For program point L545(lines 523 546) no Hoare annotation was computed. [2019-10-13 23:14:23,511 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 475 577) no Hoare annotation was computed. [2019-10-13 23:14:23,512 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 520) no Hoare annotation was computed. [2019-10-13 23:14:23,512 INFO L443 ceAbstractionStarter]: For program point L525(lines 524 544) no Hoare annotation was computed. [2019-10-13 23:14:23,516 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-13 23:14:23,517 INFO L443 ceAbstractionStarter]: For program point L556-1(line 556) no Hoare annotation was computed. [2019-10-13 23:14:23,517 INFO L443 ceAbstractionStarter]: For program point L521(lines 521 562) no Hoare annotation was computed. [2019-10-13 23:14:23,517 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 475 577) no Hoare annotation was computed. [2019-10-13 23:14:23,517 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-10-13 23:14:23,517 INFO L443 ceAbstractionStarter]: For program point L540-1(line 540) no Hoare annotation was computed. [2019-10-13 23:14:23,517 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2019-10-13 23:14:23,517 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 475 577) no Hoare annotation was computed. [2019-10-13 23:14:23,518 INFO L443 ceAbstractionStarter]: For program point L524-2(lines 524 544) no Hoare annotation was computed. [2019-10-13 23:14:23,518 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 835 844) no Hoare annotation was computed. [2019-10-13 23:14:23,518 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 835 844) no Hoare annotation was computed. [2019-10-13 23:14:23,518 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:23,518 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:23,519 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 718 734) no Hoare annotation was computed. [2019-10-13 23:14:23,519 INFO L443 ceAbstractionStarter]: For program point L729(line 729) no Hoare annotation was computed. [2019-10-13 23:14:23,519 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 718 734) no Hoare annotation was computed. [2019-10-13 23:14:23,520 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 718 734) no Hoare annotation was computed. [2019-10-13 23:14:23,520 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 731) no Hoare annotation was computed. [2019-10-13 23:14:23,520 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-10-13 23:14:23,520 INFO L443 ceAbstractionStarter]: For program point L723-1(line 723) no Hoare annotation was computed. [2019-10-13 23:14:23,520 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 125 133) no Hoare annotation was computed. [2019-10-13 23:14:23,520 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 125 133) no Hoare annotation was computed. [2019-10-13 23:14:23,520 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: true [2019-10-13 23:14:23,520 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2019-10-13 23:14:23,521 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:23,521 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:23,521 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2019-10-13 23:14:23,521 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2019-10-13 23:14:23,521 INFO L446 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2019-10-13 23:14:23,521 INFO L446 ceAbstractionStarter]: At program point L689(lines 689 695) the Hoare annotation is: true [2019-10-13 23:14:23,521 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 678 701) the Hoare annotation is: true [2019-10-13 23:14:23,522 INFO L439 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:23,522 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 678 701) no Hoare annotation was computed. [2019-10-13 23:14:23,522 INFO L443 ceAbstractionStarter]: For program point L682(lines 681 700) no Hoare annotation was computed. [2019-10-13 23:14:23,522 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 678 701) no Hoare annotation was computed. [2019-10-13 23:14:23,522 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 206 235) no Hoare annotation was computed. [2019-10-13 23:14:23,522 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 206 235) the Hoare annotation is: true [2019-10-13 23:14:23,522 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 224) no Hoare annotation was computed. [2019-10-13 23:14:23,522 INFO L446 ceAbstractionStarter]: At program point L220-1(lines 220 224) the Hoare annotation is: true [2019-10-13 23:14:23,523 INFO L446 ceAbstractionStarter]: At program point L216-2(lines 216 230) the Hoare annotation is: true [2019-10-13 23:14:23,523 INFO L446 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: true [2019-10-13 23:14:23,523 INFO L443 ceAbstractionStarter]: For program point L212-1(line 212) no Hoare annotation was computed. [2019-10-13 23:14:23,523 INFO L446 ceAbstractionStarter]: At program point L231(lines 206 235) the Hoare annotation is: true [2019-10-13 23:14:23,523 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-13 23:14:23,523 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2019-10-13 23:14:23,523 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2019-10-13 23:14:23,523 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 261 267) no Hoare annotation was computed. [2019-10-13 23:14:23,524 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 261 267) the Hoare annotation is: true [2019-10-13 23:14:23,524 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:23,524 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:23,524 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:23,524 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:23,524 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 799 806) no Hoare annotation was computed. [2019-10-13 23:14:23,524 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 799 806) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-13 23:14:23,525 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2019-10-13 23:14:23,525 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: true [2019-10-13 23:14:23,525 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:14:23,525 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:14:23,525 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:14:23,525 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 808 832) the Hoare annotation is: true [2019-10-13 23:14:23,526 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 808 832) no Hoare annotation was computed. [2019-10-13 23:14:23,526 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:23,526 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 826) no Hoare annotation was computed. [2019-10-13 23:14:23,526 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:23,526 INFO L443 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2019-10-13 23:14:23,526 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 829) no Hoare annotation was computed. [2019-10-13 23:14:23,526 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 808 832) no Hoare annotation was computed. [2019-10-13 23:14:23,527 INFO L446 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: true [2019-10-13 23:14:23,527 INFO L443 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2019-10-13 23:14:23,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:23 BoogieIcfgContainer [2019-10-13 23:14:23,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:23,563 INFO L168 Benchmark]: Toolchain (without parser) took 5105.56 ms. Allocated memory was 135.3 MB in the beginning and 256.9 MB in the end (delta: 121.6 MB). Free memory was 99.6 MB in the beginning and 202.1 MB in the end (delta: -102.4 MB). Peak memory consumption was 144.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:23,566 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:23,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.80 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 99.4 MB in the beginning and 166.4 MB in the end (delta: -67.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:23,569 INFO L168 Benchmark]: Boogie Preprocessor took 86.61 ms. Allocated memory is still 198.7 MB. Free memory was 166.4 MB in the beginning and 162.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:23,575 INFO L168 Benchmark]: RCFGBuilder took 1629.92 ms. Allocated memory was 198.7 MB in the beginning and 225.4 MB in the end (delta: 26.7 MB). Free memory was 162.8 MB in the beginning and 152.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:23,576 INFO L168 Benchmark]: TraceAbstraction took 2697.25 ms. Allocated memory was 225.4 MB in the beginning and 256.9 MB in the end (delta: 31.5 MB). Free memory was 151.3 MB in the beginning and 202.1 MB in the end (delta: -50.8 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:23,586 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.80 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 99.4 MB in the beginning and 166.4 MB in the end (delta: -67.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.61 ms. Allocated memory is still 198.7 MB. Free memory was 166.4 MB in the beginning and 162.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1629.92 ms. Allocated memory was 198.7 MB in the beginning and 225.4 MB in the end (delta: 26.7 MB). Free memory was 162.8 MB in the beginning and 152.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2697.25 ms. Allocated memory was 225.4 MB in the beginning and 256.9 MB in the end (delta: 31.5 MB). Free memory was 151.3 MB in the beginning and 202.1 MB in the end (delta: -50.8 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 161 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 369 SDtfs, 136 SDslu, 588 SDs, 0 SdLazy, 171 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 159 PreInvPairs, 173 NumberOfFragments, 355 HoareAnnotationTreeSize, 159 FomulaSimplifications, 75 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 552 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 19393 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...