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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:58,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:58,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:58,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:58,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:58,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:58,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:58,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:58,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:58,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:58,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:58,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:58,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:58,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:58,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:58,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:58,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:58,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:58,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:58,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:58,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:58,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:58,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:58,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:58,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:58,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:58,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:58,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:58,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:58,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:58,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:58,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:58,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:58,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:58,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:58,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:58,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:58,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:58,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:58,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:58,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:58,168 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 23:17:58,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:58,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:58,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:58,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:58,184 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:58,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:58,185 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:58,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:58,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:58,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:58,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:58,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:58,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:58,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:58,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:58,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:58,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:58,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:58,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:58,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:58,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:58,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:58,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:58,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:58,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:58,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:58,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:58,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:58,189 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 23:17:58,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:58,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:58,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:58,549 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:58,549 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:58,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c [2019-10-13 23:17:58,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf641615/eda3a17e72534814a51c7398b6c8d3f7/FLAG4b0eb30b7 [2019-10-13 23:17:59,228 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:59,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c [2019-10-13 23:17:59,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf641615/eda3a17e72534814a51c7398b6c8d3f7/FLAG4b0eb30b7 [2019-10-13 23:17:59,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf641615/eda3a17e72534814a51c7398b6c8d3f7 [2019-10-13 23:17:59,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:59,590 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:59,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:59,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:59,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:59,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:59" (1/1) ... [2019-10-13 23:17:59,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1118f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:59, skipping insertion in model container [2019-10-13 23:17:59,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:59" (1/1) ... [2019-10-13 23:17:59,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:59,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:18:00,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:00,190 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:18:00,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:00,331 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:18:00,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00 WrapperNode [2019-10-13 23:18:00,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:00,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:18:00,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:18:00,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:18:00,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (1/1) ... [2019-10-13 23:18:00,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:18:00,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:18:00,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:18:00,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:18:00,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (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 23:18:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:18:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:18:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:18:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:18:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:18:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:18:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:18:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:18:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:18:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:18:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:18:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:18:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:18:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:18:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:18:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:18:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:18:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:18:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:18:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:18:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:18:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:18:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:18:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:18:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:18:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:18:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:18:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:18:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:18:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:18:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:18:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:18:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:18:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:18:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:18:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:18:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:18:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:18:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:18:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:18:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:18:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:18:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:18:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:18:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:18:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:18:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:18:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:18:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:18:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:18:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:18:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:18:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:18:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:18:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:18:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:18:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:18:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:18:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:18:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:18:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:18:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:18:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:18:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:18:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:18:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:18:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:18:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:18:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:18:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:18:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:18:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:18:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:18:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:18:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:18:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:18:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:18:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:18:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:18:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:18:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:18:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:18:02,394 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:18:02,394 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:18:02,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:02 BoogieIcfgContainer [2019-10-13 23:18:02,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:18:02,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:18:02,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:18:02,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:18:02,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:59" (1/3) ... [2019-10-13 23:18:02,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517f6bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:02, skipping insertion in model container [2019-10-13 23:18:02,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:00" (2/3) ... [2019-10-13 23:18:02,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517f6bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:02, skipping insertion in model container [2019-10-13 23:18:02,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:02" (3/3) ... [2019-10-13 23:18:02,409 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2019-10-13 23:18:02,420 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:18:02,434 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:18:02,449 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:18:02,481 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:18:02,481 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:18:02,481 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:18:02,481 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:18:02,481 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:18:02,482 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:18:02,482 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:18:02,482 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:18:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2019-10-13 23:18:02,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:18:02,521 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:02,523 INFO L380 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] [2019-10-13 23:18:02,525 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:02,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:02,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1561327018, now seen corresponding path program 1 times [2019-10-13 23:18:02,544 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:02,545 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143818411] [2019-10-13 23:18:02,545 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:02,545 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:02,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:02,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143818411] [2019-10-13 23:18:02,934 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:02,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:18:02,934 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757681284] [2019-10-13 23:18:02,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:18:02,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:02,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:18:02,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:02,951 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2019-10-13 23:18:02,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:02,988 INFO L93 Difference]: Finished difference Result 220 states and 267 transitions. [2019-10-13 23:18:02,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:18:02,989 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:18:02,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:03,006 INFO L225 Difference]: With dead ends: 220 [2019-10-13 23:18:03,006 INFO L226 Difference]: Without dead ends: 112 [2019-10-13 23:18:03,014 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 23:18:03,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-13 23:18:03,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-13 23:18:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-13 23:18:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2019-10-13 23:18:03,088 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 52 [2019-10-13 23:18:03,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:03,089 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2019-10-13 23:18:03,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:18:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2019-10-13 23:18:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:18:03,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:03,094 INFO L380 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] [2019-10-13 23:18:03,094 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:03,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:03,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1676889950, now seen corresponding path program 1 times [2019-10-13 23:18:03,095 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:03,095 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763450309] [2019-10-13 23:18:03,095 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,095 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:03,225 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763450309] [2019-10-13 23:18:03,226 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:03,226 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:18:03,226 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777473120] [2019-10-13 23:18:03,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:18:03,228 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:03,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:18:03,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:03,229 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 3 states. [2019-10-13 23:18:03,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:03,251 INFO L93 Difference]: Finished difference Result 178 states and 206 transitions. [2019-10-13 23:18:03,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:18:03,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:18:03,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:03,254 INFO L225 Difference]: With dead ends: 178 [2019-10-13 23:18:03,254 INFO L226 Difference]: Without dead ends: 104 [2019-10-13 23:18:03,256 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 23:18:03,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-13 23:18:03,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-13 23:18:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-13 23:18:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2019-10-13 23:18:03,270 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 53 [2019-10-13 23:18:03,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:03,271 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2019-10-13 23:18:03,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:18:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2019-10-13 23:18:03,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-13 23:18:03,273 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:03,273 INFO L380 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] [2019-10-13 23:18:03,274 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:03,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:03,274 INFO L82 PathProgramCache]: Analyzing trace with hash 936662308, now seen corresponding path program 1 times [2019-10-13 23:18:03,275 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:03,275 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412651622] [2019-10-13 23:18:03,275 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,275 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:03,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412651622] [2019-10-13 23:18:03,523 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:03,523 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:03,523 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340053579] [2019-10-13 23:18:03,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:03,524 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:03,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:03,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:03,525 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 7 states. [2019-10-13 23:18:03,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:03,865 INFO L93 Difference]: Finished difference Result 183 states and 212 transitions. [2019-10-13 23:18:03,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:18:03,867 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-13 23:18:03,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:03,870 INFO L225 Difference]: With dead ends: 183 [2019-10-13 23:18:03,871 INFO L226 Difference]: Without dead ends: 104 [2019-10-13 23:18:03,873 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 23:18:03,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-13 23:18:03,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-13 23:18:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-13 23:18:03,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2019-10-13 23:18:03,894 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 55 [2019-10-13 23:18:03,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:03,900 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2019-10-13 23:18:03,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2019-10-13 23:18:03,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 23:18:03,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:03,906 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:03,907 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:03,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:03,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1644150233, now seen corresponding path program 1 times [2019-10-13 23:18:03,908 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:03,908 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46157360] [2019-10-13 23:18:03,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:03,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:18:04,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46157360] [2019-10-13 23:18:04,080 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:04,080 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:04,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8325500] [2019-10-13 23:18:04,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:04,085 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:04,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:04,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:04,086 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand 7 states. [2019-10-13 23:18:04,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:04,431 INFO L93 Difference]: Finished difference Result 154 states and 179 transitions. [2019-10-13 23:18:04,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:18:04,434 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2019-10-13 23:18:04,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:04,438 INFO L225 Difference]: With dead ends: 154 [2019-10-13 23:18:04,438 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:18:04,440 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:18:04,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:18:04,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:18:04,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:18:04,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:18:04,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-10-13 23:18:04,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:04,444 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:18:04,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:18:04,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:18:04,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:18:05,102 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-10-13 23:18:05,102 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2019-10-13 23:18:05,102 INFO L443 ceAbstractionStarter]: For program point L651(lines 628 652) no Hoare annotation was computed. [2019-10-13 23:18:05,103 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2019-10-13 23:18:05,103 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2019-10-13 23:18:05,103 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-10-13 23:18:05,103 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-13 23:18:05,103 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2019-10-13 23:18:05,103 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-10-13 23:18:05,103 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2019-10-13 23:18:05,104 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2019-10-13 23:18:05,104 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2019-10-13 23:18:05,104 INFO L443 ceAbstractionStarter]: For program point L712(lines 685 713) no Hoare annotation was computed. [2019-10-13 23:18:05,104 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 23:18:05,104 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 23:18:05,104 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 23:18:05,105 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 23:18:05,105 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 919 926) the Hoare annotation is: true [2019-10-13 23:18:05,105 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 919 926) no Hoare annotation was computed. [2019-10-13 23:18:05,105 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 927 936) the Hoare annotation is: true [2019-10-13 23:18:05,105 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 927 936) no Hoare annotation was computed. [2019-10-13 23:18:05,105 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-13 23:18:05,106 INFO L439 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,106 INFO L443 ceAbstractionStarter]: For program point L950(lines 950 956) no Hoare annotation was computed. [2019-10-13 23:18:05,106 INFO L443 ceAbstractionStarter]: For program point L949(lines 949 959) no Hoare annotation was computed. [2019-10-13 23:18:05,106 INFO L446 ceAbstractionStarter]: At program point L947(line 947) the Hoare annotation is: true [2019-10-13 23:18:05,106 INFO L443 ceAbstractionStarter]: For program point L947-1(line 947) no Hoare annotation was computed. [2019-10-13 23:18:05,106 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 962) no Hoare annotation was computed. [2019-10-13 23:18:05,107 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 937 965) the Hoare annotation is: true [2019-10-13 23:18:05,107 INFO L443 ceAbstractionStarter]: For program point L945-1(lines 937 965) no Hoare annotation was computed. [2019-10-13 23:18:05,107 INFO L446 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: true [2019-10-13 23:18:05,107 INFO L443 ceAbstractionStarter]: For program point L943-1(line 943) no Hoare annotation was computed. [2019-10-13 23:18:05,107 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 937 965) no Hoare annotation was computed. [2019-10-13 23:18:05,107 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 260 282) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,107 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 260 282) no Hoare annotation was computed. [2019-10-13 23:18:05,108 INFO L439 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:05,108 INFO L439 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:18:05,108 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 277) no Hoare annotation was computed. [2019-10-13 23:18:05,108 INFO L443 ceAbstractionStarter]: For program point L270-1(lines 270 277) no Hoare annotation was computed. [2019-10-13 23:18:05,108 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-13 23:18:05,108 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,109 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,109 INFO L439 ceAbstractionStarter]: At program point L266-1(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,109 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-13 23:18:05,109 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-13 23:18:05,109 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 216 239) no Hoare annotation was computed. [2019-10-13 23:18:05,109 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-13 23:18:05,110 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-13 23:18:05,110 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-13 23:18:05,110 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 216 239) no Hoare annotation was computed. [2019-10-13 23:18:05,110 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 216 239) no Hoare annotation was computed. [2019-10-13 23:18:05,110 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-13 23:18:05,110 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-13 23:18:05,110 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-13 23:18:05,110 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-13 23:18:05,111 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-10-13 23:18:05,111 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-13 23:18:05,111 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-13 23:18:05,111 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-13 23:18:05,111 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-13 23:18:05,111 INFO L439 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,111 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2019-10-13 23:18:05,112 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,112 INFO L439 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,112 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 327 351) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,112 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 343) no Hoare annotation was computed. [2019-10-13 23:18:05,112 INFO L439 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,112 INFO L443 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2019-10-13 23:18:05,112 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 327 351) no Hoare annotation was computed. [2019-10-13 23:18:05,113 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 348) no Hoare annotation was computed. [2019-10-13 23:18:05,113 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2019-10-13 23:18:05,113 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2019-10-13 23:18:05,113 INFO L446 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2019-10-13 23:18:05,113 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2019-10-13 23:18:05,113 INFO L443 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2019-10-13 23:18:05,113 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2019-10-13 23:18:05,114 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 23:18:05,114 INFO L443 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2019-10-13 23:18:05,114 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 431 466) no Hoare annotation was computed. [2019-10-13 23:18:05,114 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 431 466) no Hoare annotation was computed. [2019-10-13 23:18:05,114 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 23:18:05,114 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 23:18:05,114 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2019-10-13 23:18:05,115 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2019-10-13 23:18:05,115 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2019-10-13 23:18:05,115 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2019-10-13 23:18:05,115 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 249 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,115 INFO L439 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,115 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 249 259) no Hoare annotation was computed. [2019-10-13 23:18:05,115 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 249 259) no Hoare annotation was computed. [2019-10-13 23:18:05,116 INFO L446 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2019-10-13 23:18:05,116 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2019-10-13 23:18:05,116 INFO L443 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2019-10-13 23:18:05,116 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2019-10-13 23:18:05,116 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: true [2019-10-13 23:18:05,116 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2019-10-13 23:18:05,116 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 353 377) no Hoare annotation was computed. [2019-10-13 23:18:05,117 INFO L439 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,117 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 353 377) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,117 INFO L443 ceAbstractionStarter]: For program point L372-1(lines 353 377) no Hoare annotation was computed. [2019-10-13 23:18:05,117 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,117 INFO L439 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,117 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 369) no Hoare annotation was computed. [2019-10-13 23:18:05,118 INFO L439 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,118 INFO L443 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2019-10-13 23:18:05,118 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 374) no Hoare annotation was computed. [2019-10-13 23:18:05,118 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 319 325) no Hoare annotation was computed. [2019-10-13 23:18:05,118 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 319 325) the Hoare annotation is: true [2019-10-13 23:18:05,118 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,118 INFO L439 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,119 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2019-10-13 23:18:05,119 INFO L439 ceAbstractionStarter]: At program point L533-2(lines 527 538) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,119 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2019-10-13 23:18:05,119 INFO L439 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,119 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2019-10-13 23:18:05,119 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2019-10-13 23:18:05,120 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,120 INFO L439 ceAbstractionStarter]: At program point L540(lines 497 542) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,120 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-10-13 23:18:05,120 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2019-10-13 23:18:05,120 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2019-10-13 23:18:05,121 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2019-10-13 23:18:05,121 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2019-10-13 23:18:05,121 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 378 385) no Hoare annotation was computed. [2019-10-13 23:18:05,121 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 378 385) no Hoare annotation was computed. [2019-10-13 23:18:05,121 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2019-10-13 23:18:05,121 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2019-10-13 23:18:05,121 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2019-10-13 23:18:05,122 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2019-10-13 23:18:05,122 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:18:05,122 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:18:05,122 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 809) no Hoare annotation was computed. [2019-10-13 23:18:05,122 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2019-10-13 23:18:05,122 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-13 23:18:05,122 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-13 23:18:05,123 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 750) no Hoare annotation was computed. [2019-10-13 23:18:05,123 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2019-10-13 23:18:05,123 INFO L443 ceAbstractionStarter]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2019-10-13 23:18:05,123 INFO L443 ceAbstractionStarter]: For program point L792(lines 770 793) no Hoare annotation was computed. [2019-10-13 23:18:05,123 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2019-10-13 23:18:05,123 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 767) no Hoare annotation was computed. [2019-10-13 23:18:05,123 INFO L443 ceAbstractionStarter]: For program point L772(lines 771 791) no Hoare annotation was computed. [2019-10-13 23:18:05,124 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-13 23:18:05,124 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-10-13 23:18:05,124 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:18:05,124 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,124 INFO L443 ceAbstractionStarter]: For program point L397(line 397) no Hoare annotation was computed. [2019-10-13 23:18:05,124 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 386 402) no Hoare annotation was computed. [2019-10-13 23:18:05,124 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 386 402) no Hoare annotation was computed. [2019-10-13 23:18:05,125 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 399) no Hoare annotation was computed. [2019-10-13 23:18:05,125 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 386 402) no Hoare annotation was computed. [2019-10-13 23:18:05,125 INFO L443 ceAbstractionStarter]: For program point L391(line 391) no Hoare annotation was computed. [2019-10-13 23:18:05,125 INFO L443 ceAbstractionStarter]: For program point L391-1(line 391) no Hoare annotation was computed. [2019-10-13 23:18:05,125 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 164 172) the Hoare annotation is: true [2019-10-13 23:18:05,125 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-13 23:18:05,125 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2019-10-13 23:18:05,126 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2019-10-13 23:18:05,126 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,126 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,126 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2019-10-13 23:18:05,126 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2019-10-13 23:18:05,126 INFO L439 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,126 INFO L439 ceAbstractionStarter]: At program point L306(lines 306 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,127 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 292 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,127 INFO L439 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:18:05,127 INFO L443 ceAbstractionStarter]: For program point L299(lines 295 317) no Hoare annotation was computed. [2019-10-13 23:18:05,127 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 292 318) no Hoare annotation was computed. [2019-10-13 23:18:05,127 INFO L443 ceAbstractionStarter]: For program point L297(lines 295 317) no Hoare annotation was computed. [2019-10-13 23:18:05,127 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 292 318) no Hoare annotation was computed. [2019-10-13 23:18:05,127 INFO L446 ceAbstractionStarter]: At program point L195-2(lines 195 209) the Hoare annotation is: true [2019-10-13 23:18:05,127 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 185 214) no Hoare annotation was computed. [2019-10-13 23:18:05,128 INFO L446 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: true [2019-10-13 23:18:05,128 INFO L443 ceAbstractionStarter]: For program point L191-1(line 191) no Hoare annotation was computed. [2019-10-13 23:18:05,128 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 185 214) the Hoare annotation is: true [2019-10-13 23:18:05,128 INFO L446 ceAbstractionStarter]: At program point L210(lines 185 214) the Hoare annotation is: true [2019-10-13 23:18:05,128 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-13 23:18:05,128 INFO L443 ceAbstractionStarter]: For program point L199(lines 199 203) no Hoare annotation was computed. [2019-10-13 23:18:05,128 INFO L446 ceAbstractionStarter]: At program point L199-1(lines 199 203) the Hoare annotation is: true [2019-10-13 23:18:05,129 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2019-10-13 23:18:05,129 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2019-10-13 23:18:05,129 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 240 246) no Hoare annotation was computed. [2019-10-13 23:18:05,129 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 240 246) the Hoare annotation is: true [2019-10-13 23:18:05,129 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,129 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:18:05,129 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:18:05,130 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:18:05,130 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2019-10-13 23:18:05,130 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2019-10-13 23:18:05,130 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-10-13 23:18:05,130 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2019-10-13 23:18:05,130 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2019-10-13 23:18:05,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:18:05 BoogieIcfgContainer [2019-10-13 23:18:05,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:18:05,148 INFO L168 Benchmark]: Toolchain (without parser) took 5558.01 ms. Allocated memory was 140.5 MB in the beginning and 248.0 MB in the end (delta: 107.5 MB). Free memory was 102.3 MB in the beginning and 152.9 MB in the end (delta: -50.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,149 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.26 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 102.0 MB in the beginning and 169.5 MB in the end (delta: -67.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,151 INFO L168 Benchmark]: Boogie Preprocessor took 110.01 ms. Allocated memory is still 202.4 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,152 INFO L168 Benchmark]: RCFGBuilder took 1953.87 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 165.5 MB in the beginning and 146.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,153 INFO L168 Benchmark]: TraceAbstraction took 2747.38 ms. Allocated memory was 236.5 MB in the beginning and 248.0 MB in the end (delta: 11.5 MB). Free memory was 146.8 MB in the beginning and 152.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:18:05,158 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.26 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 102.0 MB in the beginning and 169.5 MB in the end (delta: -67.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.01 ms. Allocated memory is still 202.4 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1953.87 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 165.5 MB in the beginning and 146.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2747.38 ms. Allocated memory was 236.5 MB in the beginning and 248.0 MB in the end (delta: 11.5 MB). Free memory was 146.8 MB in the beginning and 152.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 496]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 191 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 426 SDtfs, 172 SDslu, 435 SDs, 0 SdLazy, 282 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred 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, 60 LocationsWithAnnotation, 231 PreInvPairs, 238 NumberOfFragments, 384 HoareAnnotationTreeSize, 231 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 386 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 22082 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...