/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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:34:31,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:34:31,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:34:31,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:34:31,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:34:31,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:34:31,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:34:31,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:34:31,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:34:31,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:34:31,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:34:31,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:34:31,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:34:31,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:34:31,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:34:31,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:34:31,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:34:31,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:34:31,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:34:31,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:34:31,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:34:31,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:34:31,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:34:31,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:34:31,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:34:31,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:34:31,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:34:31,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:34:31,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:34:31,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:34:31,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:34:31,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:34:31,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:34:31,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:34:31,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:34:31,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:34:31,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:34:31,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:34:31,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:34:31,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:34:31,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:34:31,201 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 04:34:31,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:34:31,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:34:31,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:34:31,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:34:31,218 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:34:31,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:34:31,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:34:31,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:34:31,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:34:31,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:34:31,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:34:31,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:34:31,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:34:31,219 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:34:31,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:34:31,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:34:31,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:34:31,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:34:31,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:34:31,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:34:31,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:34:31,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:34:31,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:34:31,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:34:31,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:34:31,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:34:31,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:34:31,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:34:31,222 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 04:34:31,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:34:31,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:34:31,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:34:31,539 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:34:31,540 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:34:31,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2019-11-07 04:34:31,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dbe78bf9/8be5b1021f3048988b8468970fc25d5c/FLAG68a5ba10c [2019-11-07 04:34:32,153 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:34:32,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2019-11-07 04:34:32,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dbe78bf9/8be5b1021f3048988b8468970fc25d5c/FLAG68a5ba10c [2019-11-07 04:34:32,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dbe78bf9/8be5b1021f3048988b8468970fc25d5c [2019-11-07 04:34:32,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:34:32,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:34:32,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:34:32,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:34:32,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:34:32,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:34:32" (1/1) ... [2019-11-07 04:34:32,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ed98a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:32, skipping insertion in model container [2019-11-07 04:34:32,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:34:32" (1/1) ... [2019-11-07 04:34:32,446 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:34:32,506 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:34:32,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:34:32,958 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:34:33,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:34:33,092 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:34:33,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33 WrapperNode [2019-11-07 04:34:33,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:34:33,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:34:33,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:34:33,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:34:33,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33" (1/1) ... [2019-11-07 04:34:33,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33" (1/1) ... [2019-11-07 04:34:33,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33" (1/1) ... [2019-11-07 04:34:33,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33" (1/1) ... [2019-11-07 04:34:33,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33" (1/1) ... [2019-11-07 04:34:33,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33" (1/1) ... [2019-11-07 04:34:33,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33" (1/1) ... [2019-11-07 04:34:33,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:34:33,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:34:33,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:34:33,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:34:33,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:34:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:34:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:34:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:34:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:34:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:34:33,281 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:34:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:34:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:34:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:34:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:34:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:34:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:34:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:34:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:34:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:34:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:34:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:34:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:34:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:34:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:34:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:34:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:34:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:34:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:34:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:34:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:34:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:34:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:34:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:34:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:34:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:34:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:34:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:34:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:34:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:34:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:34:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:34:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:34:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:34:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:34:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:34:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:34:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:34:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:34:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:34:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:34:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:34:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:34:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:34:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:34:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:34:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:34:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:34:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:34:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:34:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:34:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:34:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:34:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:34:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:34:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:34:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:34:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:34:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:34:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:34:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:34:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:34:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:34:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:34:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:34:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:34:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:34:34,767 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:34:34,767 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:34:34,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:34:34 BoogieIcfgContainer [2019-11-07 04:34:34,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:34:34,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:34:34,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:34:34,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:34:34,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:34:32" (1/3) ... [2019-11-07 04:34:34,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516deaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:34:34, skipping insertion in model container [2019-11-07 04:34:34,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:33" (2/3) ... [2019-11-07 04:34:34,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516deaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:34:34, skipping insertion in model container [2019-11-07 04:34:34,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:34:34" (3/3) ... [2019-11-07 04:34:34,781 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2019-11-07 04:34:34,794 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:34:34,804 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:34:34,817 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:34:34,855 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:34:34,855 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:34:34,855 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:34:34,855 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:34:34,856 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:34:34,856 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:34:34,857 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:34:34,857 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:34:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-11-07 04:34:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:34:34,898 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:34,900 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 04:34:34,903 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:34,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:34,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1912569543, now seen corresponding path program 1 times [2019-11-07 04:34:34,921 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:34,922 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668632335] [2019-11-07 04:34:34,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:35,326 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 04:34:35,327 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668632335] [2019-11-07 04:34:35,328 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:35,330 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:34:35,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062948023] [2019-11-07 04:34:35,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:34:35,339 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:35,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:34:35,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:34:35,356 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-11-07 04:34:35,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:35,392 INFO L93 Difference]: Finished difference Result 152 states and 185 transitions. [2019-11-07 04:34:35,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:34:35,394 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:34:35,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:35,405 INFO L225 Difference]: With dead ends: 152 [2019-11-07 04:34:35,405 INFO L226 Difference]: Without dead ends: 78 [2019-11-07 04:34:35,410 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 04:34:35,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-07 04:34:35,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-11-07 04:34:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-07 04:34:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2019-11-07 04:34:35,460 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 52 [2019-11-07 04:34:35,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:35,460 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2019-11-07 04:34:35,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:34:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2019-11-07 04:34:35,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:34:35,464 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:35,464 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 04:34:35,464 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:35,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:35,465 INFO L82 PathProgramCache]: Analyzing trace with hash 308278196, now seen corresponding path program 1 times [2019-11-07 04:34:35,465 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:35,465 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898060394] [2019-11-07 04:34:35,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:35,642 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 04:34:35,642 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898060394] [2019-11-07 04:34:35,643 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:35,644 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:34:35,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478426243] [2019-11-07 04:34:35,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:34:35,647 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:35,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:34:35,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:34:35,648 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 3 states. [2019-11-07 04:34:35,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:35,676 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2019-11-07 04:34:35,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:34:35,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:34:35,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:35,679 INFO L225 Difference]: With dead ends: 110 [2019-11-07 04:34:35,679 INFO L226 Difference]: Without dead ends: 70 [2019-11-07 04:34:35,681 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 04:34:35,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-07 04:34:35,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-07 04:34:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-07 04:34:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2019-11-07 04:34:35,691 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 53 [2019-11-07 04:34:35,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:35,692 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2019-11-07 04:34:35,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:34:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2019-11-07 04:34:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-07 04:34:35,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:35,695 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] [2019-11-07 04:34:35,695 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:35,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:35,695 INFO L82 PathProgramCache]: Analyzing trace with hash 438678433, now seen corresponding path program 1 times [2019-11-07 04:34:35,696 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:35,696 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311147562] [2019-11-07 04:34:35,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:35,881 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 04:34:35,882 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311147562] [2019-11-07 04:34:35,882 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:35,882 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:34:35,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627264068] [2019-11-07 04:34:35,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:34:35,924 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:35,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:34:35,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:34:35,927 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 7 states. [2019-11-07 04:34:36,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:36,317 INFO L93 Difference]: Finished difference Result 115 states and 130 transitions. [2019-11-07 04:34:36,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:34:36,318 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-11-07 04:34:36,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:36,320 INFO L225 Difference]: With dead ends: 115 [2019-11-07 04:34:36,320 INFO L226 Difference]: Without dead ends: 70 [2019-11-07 04:34:36,322 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:34:36,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-07 04:34:36,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-07 04:34:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-07 04:34:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2019-11-07 04:34:36,341 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 55 [2019-11-07 04:34:36,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:36,347 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2019-11-07 04:34:36,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:34:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2019-11-07 04:34:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-07 04:34:36,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:36,350 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] [2019-11-07 04:34:36,350 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:36,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:36,351 INFO L82 PathProgramCache]: Analyzing trace with hash -885804970, now seen corresponding path program 1 times [2019-11-07 04:34:36,352 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:36,352 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789819950] [2019-11-07 04:34:36,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:36,489 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 04:34:36,490 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789819950] [2019-11-07 04:34:36,490 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:36,490 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:34:36,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014582120] [2019-11-07 04:34:36,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:34:36,492 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:36,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:34:36,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:34:36,493 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 6 states. [2019-11-07 04:34:36,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:36,675 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2019-11-07 04:34:36,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:34:36,676 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-07 04:34:36,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:36,677 INFO L225 Difference]: With dead ends: 110 [2019-11-07 04:34:36,677 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:34:36,678 INFO L630 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 [2019-11-07 04:34:36,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:34:36,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:34:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:34:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:34:36,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-07 04:34:36,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:36,681 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:34:36,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:34:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:34:36,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:34:36,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:34:36,918 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-11-07 04:34:36,919 INFO L443 ceAbstractionStarter]: For program point L342-2(lines 342 363) no Hoare annotation was computed. [2019-11-07 04:34:36,919 INFO L443 ceAbstractionStarter]: For program point L364(lines 341 365) no Hoare annotation was computed. [2019-11-07 04:34:36,919 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 317 372) no Hoare annotation was computed. [2019-11-07 04:34:36,919 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 317 372) no Hoare annotation was computed. [2019-11-07 04:34:36,919 INFO L443 ceAbstractionStarter]: For program point L418-1(line 418) no Hoare annotation was computed. [2019-11-07 04:34:36,919 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 373 432) no Hoare annotation was computed. [2019-11-07 04:34:36,919 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 409) no Hoare annotation was computed. [2019-11-07 04:34:36,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 373 432) no Hoare annotation was computed. [2019-11-07 04:34:36,923 INFO L443 ceAbstractionStarter]: For program point L399-2(lines 399 424) no Hoare annotation was computed. [2019-11-07 04:34:36,923 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 373 432) no Hoare annotation was computed. [2019-11-07 04:34:36,924 INFO L443 ceAbstractionStarter]: For program point L425(lines 398 426) no Hoare annotation was computed. [2019-11-07 04:34:36,924 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-07 04:34:36,924 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 248 254) the Hoare annotation is: true [2019-11-07 04:34:36,924 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 248 254) no Hoare annotation was computed. [2019-11-07 04:34:36,924 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 255 263) no Hoare annotation was computed. [2019-11-07 04:34:36,925 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 255 263) the Hoare annotation is: true [2019-11-07 04:34:36,925 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 634 641) the Hoare annotation is: true [2019-11-07 04:34:36,925 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 634 641) no Hoare annotation was computed. [2019-11-07 04:34:36,925 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 642 651) the Hoare annotation is: true [2019-11-07 04:34:36,925 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 642 651) no Hoare annotation was computed. [2019-11-07 04:34:36,925 INFO L443 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2019-11-07 04:34:36,926 INFO L439 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:36,932 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 671) no Hoare annotation was computed. [2019-11-07 04:34:36,932 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 674) no Hoare annotation was computed. [2019-11-07 04:34:36,932 INFO L446 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: true [2019-11-07 04:34:36,932 INFO L443 ceAbstractionStarter]: For program point L662-1(line 662) no Hoare annotation was computed. [2019-11-07 04:34:36,933 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 677) no Hoare annotation was computed. [2019-11-07 04:34:36,933 INFO L443 ceAbstractionStarter]: For program point L660-1(lines 652 680) no Hoare annotation was computed. [2019-11-07 04:34:36,933 INFO L446 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: true [2019-11-07 04:34:36,933 INFO L443 ceAbstractionStarter]: For program point L658-1(line 658) no Hoare annotation was computed. [2019-11-07 04:34:36,933 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 652 680) the Hoare annotation is: true [2019-11-07 04:34:36,933 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 652 680) no Hoare annotation was computed. [2019-11-07 04:34:36,933 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 206 228) the Hoare annotation is: true [2019-11-07 04:34:36,934 INFO L439 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (or (= main_~tmp~0 ~systemActive~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:36,934 INFO L439 ceAbstractionStarter]: At program point L218-1(line 218) the Hoare annotation is: (or (= main_~tmp~0 ~systemActive~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:36,934 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 206 228) no Hoare annotation was computed. [2019-11-07 04:34:36,934 INFO L443 ceAbstractionStarter]: For program point L216(lines 216 223) no Hoare annotation was computed. [2019-11-07 04:34:36,934 INFO L443 ceAbstractionStarter]: For program point L216-1(lines 216 223) no Hoare annotation was computed. [2019-11-07 04:34:36,934 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-11-07 04:34:36,935 INFO L446 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: true [2019-11-07 04:34:36,935 INFO L446 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: true [2019-11-07 04:34:36,935 INFO L446 ceAbstractionStarter]: At program point L212-1(line 212) the Hoare annotation is: true [2019-11-07 04:34:36,935 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 159 182) no Hoare annotation was computed. [2019-11-07 04:34:36,935 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 159 182) no Hoare annotation was computed. [2019-11-07 04:34:36,935 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 159 182) no Hoare annotation was computed. [2019-11-07 04:34:36,935 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-07 04:34:36,936 INFO L443 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2019-11-07 04:34:36,936 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-07 04:34:36,936 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-11-07 04:34:36,936 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-07 04:34:36,936 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-07 04:34:36,936 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-07 04:34:36,936 INFO L443 ceAbstractionStarter]: For program point L170(line 170) no Hoare annotation was computed. [2019-11-07 04:34:36,936 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-07 04:34:36,939 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-11-07 04:34:36,940 INFO L443 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2019-11-07 04:34:36,940 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-07 04:34:36,940 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-11-07 04:34:36,940 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-11-07 04:34:36,940 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2019-11-07 04:34:36,940 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2019-11-07 04:34:36,941 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-11-07 04:34:36,941 INFO L443 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2019-11-07 04:34:36,941 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 822 857) no Hoare annotation was computed. [2019-11-07 04:34:36,941 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 822 857) no Hoare annotation was computed. [2019-11-07 04:34:36,941 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 241 247) no Hoare annotation was computed. [2019-11-07 04:34:36,941 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 241 247) the Hoare annotation is: true [2019-11-07 04:34:36,941 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 271 316) no Hoare annotation was computed. [2019-11-07 04:34:36,941 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 271 316) no Hoare annotation was computed. [2019-11-07 04:34:36,942 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 584 629) no Hoare annotation was computed. [2019-11-07 04:34:36,942 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 584 629) no Hoare annotation was computed. [2019-11-07 04:34:36,942 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 192 202) the Hoare annotation is: true [2019-11-07 04:34:36,942 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 192 202) no Hoare annotation was computed. [2019-11-07 04:34:36,942 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 192 202) no Hoare annotation was computed. [2019-11-07 04:34:36,942 INFO L446 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2019-11-07 04:34:36,942 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 802 812) no Hoare annotation was computed. [2019-11-07 04:34:36,943 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2019-11-07 04:34:36,943 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-11-07 04:34:36,943 INFO L443 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2019-11-07 04:34:36,943 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 794 801) no Hoare annotation was computed. [2019-11-07 04:34:36,943 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2019-11-07 04:34:36,943 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 779 785) no Hoare annotation was computed. [2019-11-07 04:34:36,943 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 779 785) the Hoare annotation is: true [2019-11-07 04:34:36,944 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:34:36,944 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 682 745) the Hoare annotation is: true [2019-11-07 04:34:36,945 INFO L439 ceAbstractionStarter]: At program point L735(lines 692 737) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:34:36,945 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2019-11-07 04:34:36,946 INFO L443 ceAbstractionStarter]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2019-11-07 04:34:36,946 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 682 745) no Hoare annotation was computed. [2019-11-07 04:34:36,946 INFO L439 ceAbstractionStarter]: At program point L738(lines 691 739) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:36,947 INFO L439 ceAbstractionStarter]: At program point L728-2(lines 722 733) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:34:36,947 INFO L443 ceAbstractionStarter]: For program point L693(lines 692 737) no Hoare annotation was computed. [2019-11-07 04:34:36,947 INFO L439 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:34:36,947 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-11-07 04:34:36,947 INFO L443 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2019-11-07 04:34:36,947 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 682 745) no Hoare annotation was computed. [2019-11-07 04:34:36,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 538 583) no Hoare annotation was computed. [2019-11-07 04:34:36,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 538 583) no Hoare annotation was computed. [2019-11-07 04:34:36,948 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-11-07 04:34:36,949 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-11-07 04:34:36,949 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 231 240) no Hoare annotation was computed. [2019-11-07 04:34:36,949 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 231 240) no Hoare annotation was computed. [2019-11-07 04:34:36,949 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 522) no Hoare annotation was computed. [2019-11-07 04:34:36,949 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 435 537) no Hoare annotation was computed. [2019-11-07 04:34:36,949 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-07 04:34:36,949 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-11-07 04:34:36,949 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-11-07 04:34:36,950 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 435 537) no Hoare annotation was computed. [2019-11-07 04:34:36,950 INFO L443 ceAbstractionStarter]: For program point L484-2(lines 484 504) no Hoare annotation was computed. [2019-11-07 04:34:36,950 INFO L443 ceAbstractionStarter]: For program point L505(lines 483 506) no Hoare annotation was computed. [2019-11-07 04:34:36,950 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 435 537) no Hoare annotation was computed. [2019-11-07 04:34:36,950 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 480) no Hoare annotation was computed. [2019-11-07 04:34:36,950 INFO L443 ceAbstractionStarter]: For program point L485(lines 484 504) no Hoare annotation was computed. [2019-11-07 04:34:36,950 INFO L443 ceAbstractionStarter]: For program point L516(line 516) no Hoare annotation was computed. [2019-11-07 04:34:36,950 INFO L443 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-11-07 04:34:36,951 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:34:36,951 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:34:36,951 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2019-11-07 04:34:36,951 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 786 793) no Hoare annotation was computed. [2019-11-07 04:34:36,951 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-11-07 04:34:36,951 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-11-07 04:34:36,951 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-11-07 04:34:36,952 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-11-07 04:34:36,952 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:34:36,952 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:34:36,952 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2019-11-07 04:34:36,952 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-11-07 04:34:36,952 INFO L446 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2019-11-07 04:34:36,955 INFO L446 ceAbstractionStarter]: At program point L766(lines 766 772) the Hoare annotation is: true [2019-11-07 04:34:36,955 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:36,955 INFO L443 ceAbstractionStarter]: For program point L759(lines 755 777) no Hoare annotation was computed. [2019-11-07 04:34:36,955 INFO L443 ceAbstractionStarter]: For program point L757(lines 755 777) no Hoare annotation was computed. [2019-11-07 04:34:36,955 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 752 778) the Hoare annotation is: true [2019-11-07 04:34:36,955 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 752 778) no Hoare annotation was computed. [2019-11-07 04:34:36,956 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 752 778) no Hoare annotation was computed. [2019-11-07 04:34:36,956 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 128 157) no Hoare annotation was computed. [2019-11-07 04:34:36,956 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 128 157) the Hoare annotation is: true [2019-11-07 04:34:36,956 INFO L446 ceAbstractionStarter]: At program point L153(lines 128 157) the Hoare annotation is: true [2019-11-07 04:34:36,960 INFO L443 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2019-11-07 04:34:36,960 INFO L443 ceAbstractionStarter]: For program point L142(lines 142 146) no Hoare annotation was computed. [2019-11-07 04:34:36,960 INFO L446 ceAbstractionStarter]: At program point L142-1(lines 142 146) the Hoare annotation is: true [2019-11-07 04:34:36,961 INFO L446 ceAbstractionStarter]: At program point L138-2(lines 138 152) the Hoare annotation is: true [2019-11-07 04:34:36,961 INFO L446 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2019-11-07 04:34:36,961 INFO L443 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2019-11-07 04:34:36,961 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-11-07 04:34:36,961 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-11-07 04:34:36,961 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 183 189) no Hoare annotation was computed. [2019-11-07 04:34:36,961 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 183 189) the Hoare annotation is: true [2019-11-07 04:34:36,962 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:34:36,962 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-07 04:34:36,962 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:34:36,962 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:34:36,962 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-11-07 04:34:36,962 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-11-07 04:34:36,962 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2019-11-07 04:34:36,963 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-11-07 04:34:36,963 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2019-11-07 04:34:36,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:34:36 BoogieIcfgContainer [2019-11-07 04:34:36,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:34:37,000 INFO L168 Benchmark]: Toolchain (without parser) took 4570.33 ms. Allocated memory was 145.2 MB in the beginning and 247.5 MB in the end (delta: 102.2 MB). Free memory was 102.5 MB in the beginning and 108.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:37,001 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 145.2 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 04:34:37,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.64 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 102.5 MB in the beginning and 166.8 MB in the end (delta: -64.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:37,005 INFO L168 Benchmark]: Boogie Preprocessor took 107.13 ms. Allocated memory is still 201.3 MB. Free memory was 166.8 MB in the beginning and 162.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:37,006 INFO L168 Benchmark]: RCFGBuilder took 1570.07 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 162.9 MB in the beginning and 151.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:37,012 INFO L168 Benchmark]: TraceAbstraction took 2223.59 ms. Allocated memory was 234.4 MB in the beginning and 247.5 MB in the end (delta: 13.1 MB). Free memory was 151.3 MB in the beginning and 108.7 MB in the end (delta: 42.7 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:37,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 145.2 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.64 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 102.5 MB in the beginning and 166.8 MB in the end (delta: -64.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.13 ms. Allocated memory is still 201.3 MB. Free memory was 166.8 MB in the beginning and 162.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1570.07 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 162.9 MB in the beginning and 151.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2223.59 ms. Allocated memory was 234.4 MB in the beginning and 247.5 MB in the end (delta: 13.1 MB). Free memory was 151.3 MB in the beginning and 108.7 MB in the end (delta: 42.7 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || 0 == splverifierCounter - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(systemActive == 1) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 158 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 312 SDtfs, 137 SDslu, 369 SDs, 0 SdLazy, 132 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 125 PreInvPairs, 132 NumberOfFragments, 139 HoareAnnotationTreeSize, 125 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 402 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 18842 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...