/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_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:32:47,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:32:47,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:32:47,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:32:47,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:32:47,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:32:47,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:32:47,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:32:47,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:32:47,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:32:47,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:32:47,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:32:47,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:32:47,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:32:47,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:32:47,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:32:47,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:32:47,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:32:47,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:32:47,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:32:47,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:32:47,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:32:47,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:32:47,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:32:47,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:32:47,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:32:47,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:32:47,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:32:47,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:32:47,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:32:47,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:32:47,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:32:47,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:32:47,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:32:47,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:32:47,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:32:47,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:32:47,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:32:47,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:32:47,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:32:47,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:32:47,675 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 04:32:47,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:32:47,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:32:47,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:32:47,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:32:47,694 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:32:47,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:32:47,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:32:47,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:32:47,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:32:47,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:32:47,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:32:47,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:32:47,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:32:47,696 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:32:47,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:32:47,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:32:47,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:32:47,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:32:47,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:32:47,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:32:47,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:32:47,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:32:47,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:32:47,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:32:47,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:32:47,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:32:47,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:32:47,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:32:47,701 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 04:32:47,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:32:47,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:32:47,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:32:47,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:32:47,999 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:32:48,000 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-11-07 04:32:48,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e024cf43/4788ed4b9520438eac0d94a162745ee5/FLAG4c76b84b3 [2019-11-07 04:32:48,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:32:48,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-11-07 04:32:48,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e024cf43/4788ed4b9520438eac0d94a162745ee5/FLAG4c76b84b3 [2019-11-07 04:32:48,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e024cf43/4788ed4b9520438eac0d94a162745ee5 [2019-11-07 04:32:48,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:32:48,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:32:48,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:32:48,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:32:48,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:32:48,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:32:48" (1/1) ... [2019-11-07 04:32:48,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4742d860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:48, skipping insertion in model container [2019-11-07 04:32:48,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:32:48" (1/1) ... [2019-11-07 04:32:48,997 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:32:49,058 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:32:49,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:32:49,528 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:32:49,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:32:49,647 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:32:49,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49 WrapperNode [2019-11-07 04:32:49,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:32:49,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:32:49,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:32:49,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:32:49,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49" (1/1) ... [2019-11-07 04:32:49,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49" (1/1) ... [2019-11-07 04:32:49,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49" (1/1) ... [2019-11-07 04:32:49,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49" (1/1) ... [2019-11-07 04:32:49,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49" (1/1) ... [2019-11-07 04:32:49,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49" (1/1) ... [2019-11-07 04:32:49,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49" (1/1) ... [2019-11-07 04:32:49,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:32:49,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:32:49,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:32:49,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:32:49,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49" (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 04:32:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:32:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:32:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:32:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:32:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:32:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:32:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:32:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:32:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:32:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:32:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:32:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:32:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:32:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:32:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:32:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:32:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:32:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:32:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:32:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:32:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:32:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:32:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:32:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:32:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:32:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:32:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 04:32:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:32:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:32:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:32:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:32:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:32:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:32:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:32:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:32:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:32:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:32:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:32:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:32:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:32:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:32:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:32:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:32:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:32:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:32:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:32:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:32:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:32:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:32:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:32:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:32:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:32:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:32:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:32:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:32:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:32:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:32:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:32:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:32:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:32:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:32:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:32:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:32:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:32:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:32:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:32:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:32:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:32:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:32:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:32:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:32:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:32:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:32:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 04:32:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:32:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:32:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:32:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:32:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:32:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:32:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:32:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:32:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:32:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:32:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:32:51,318 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:32:51,318 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:32:51,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:32:51 BoogieIcfgContainer [2019-11-07 04:32:51,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:32:51,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:32:51,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:32:51,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:32:51,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:32:48" (1/3) ... [2019-11-07 04:32:51,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65247c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:32:51, skipping insertion in model container [2019-11-07 04:32:51,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:49" (2/3) ... [2019-11-07 04:32:51,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65247c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:32:51, skipping insertion in model container [2019-11-07 04:32:51,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:32:51" (3/3) ... [2019-11-07 04:32:51,328 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2019-11-07 04:32:51,338 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:32:51,347 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:32:51,358 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:32:51,390 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:32:51,390 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:32:51,390 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:32:51,390 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:32:51,391 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:32:51,391 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:32:51,391 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:32:51,391 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:32:51,420 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-11-07 04:32:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:32:51,431 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:51,432 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:51,435 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:51,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:51,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1859054852, now seen corresponding path program 1 times [2019-11-07 04:32:51,452 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:51,454 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867597662] [2019-11-07 04:32:51,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:51,838 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867597662] [2019-11-07 04:32:51,839 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:51,839 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:32:51,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145160651] [2019-11-07 04:32:51,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:32:51,848 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:51,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:32:51,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:32:51,870 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-11-07 04:32:51,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:51,924 INFO L93 Difference]: Finished difference Result 195 states and 238 transitions. [2019-11-07 04:32:51,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:32:51,925 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:32:51,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:51,939 INFO L225 Difference]: With dead ends: 195 [2019-11-07 04:32:51,939 INFO L226 Difference]: Without dead ends: 98 [2019-11-07 04:32:51,943 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 04:32:51,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-07 04:32:51,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-11-07 04:32:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-07 04:32:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2019-11-07 04:32:51,998 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 42 [2019-11-07 04:32:51,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:51,999 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2019-11-07 04:32:51,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:32:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2019-11-07 04:32:52,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:32:52,003 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:52,003 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:52,003 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:52,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:52,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1060954864, now seen corresponding path program 1 times [2019-11-07 04:32:52,004 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:52,004 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703390302] [2019-11-07 04:32:52,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:52,146 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703390302] [2019-11-07 04:32:52,146 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:52,146 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:32:52,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702171158] [2019-11-07 04:32:52,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:32:52,149 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:52,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:32:52,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:52,150 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand 3 states. [2019-11-07 04:32:52,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:52,185 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2019-11-07 04:32:52,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:32:52,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:32:52,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:52,191 INFO L225 Difference]: With dead ends: 143 [2019-11-07 04:32:52,191 INFO L226 Difference]: Without dead ends: 90 [2019-11-07 04:32:52,193 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 04:32:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-07 04:32:52,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-11-07 04:32:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-07 04:32:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2019-11-07 04:32:52,221 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 43 [2019-11-07 04:32:52,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:52,221 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2019-11-07 04:32:52,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:32:52,224 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2019-11-07 04:32:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:32:52,226 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:52,226 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:52,226 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:52,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:52,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1567413560, now seen corresponding path program 1 times [2019-11-07 04:32:52,228 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:52,229 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182398371] [2019-11-07 04:32:52,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:52,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:52,451 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182398371] [2019-11-07 04:32:52,451 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:52,451 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:32:52,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283862604] [2019-11-07 04:32:52,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:32:52,452 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:52,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:32:52,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:32:52,453 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 7 states. [2019-11-07 04:32:52,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:52,930 INFO L93 Difference]: Finished difference Result 271 states and 322 transitions. [2019-11-07 04:32:52,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:32:52,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-11-07 04:32:52,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:52,935 INFO L225 Difference]: With dead ends: 271 [2019-11-07 04:32:52,936 INFO L226 Difference]: Without dead ends: 203 [2019-11-07 04:32:52,938 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:32:52,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-11-07 04:32:52,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2019-11-07 04:32:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-11-07 04:32:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2019-11-07 04:32:52,985 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 47 [2019-11-07 04:32:52,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:52,986 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2019-11-07 04:32:52,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:32:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2019-11-07 04:32:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 04:32:52,988 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:52,989 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:52,989 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:52,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:52,989 INFO L82 PathProgramCache]: Analyzing trace with hash -204964900, now seen corresponding path program 1 times [2019-11-07 04:32:52,990 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:52,990 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655875569] [2019-11-07 04:32:52,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:53,146 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655875569] [2019-11-07 04:32:53,147 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:53,148 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:32:53,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646222504] [2019-11-07 04:32:53,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:32:53,149 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:53,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:32:53,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:32:53,149 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand 10 states. [2019-11-07 04:32:53,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:53,833 INFO L93 Difference]: Finished difference Result 659 states and 826 transitions. [2019-11-07 04:32:53,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:32:53,835 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-11-07 04:32:53,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:53,847 INFO L225 Difference]: With dead ends: 659 [2019-11-07 04:32:53,847 INFO L226 Difference]: Without dead ends: 490 [2019-11-07 04:32:53,850 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-11-07 04:32:53,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-11-07 04:32:53,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 466. [2019-11-07 04:32:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-11-07 04:32:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 569 transitions. [2019-11-07 04:32:53,945 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 569 transitions. Word has length 51 [2019-11-07 04:32:53,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:53,946 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 569 transitions. [2019-11-07 04:32:53,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:32:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 569 transitions. [2019-11-07 04:32:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 04:32:53,950 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:53,951 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:53,951 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:53,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:53,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1194428387, now seen corresponding path program 1 times [2019-11-07 04:32:53,952 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:53,952 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574385298] [2019-11-07 04:32:53,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:54,057 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574385298] [2019-11-07 04:32:54,058 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:54,058 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:32:54,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146283448] [2019-11-07 04:32:54,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:32:54,059 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:54,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:32:54,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:32:54,060 INFO L87 Difference]: Start difference. First operand 466 states and 569 transitions. Second operand 4 states. [2019-11-07 04:32:54,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:54,227 INFO L93 Difference]: Finished difference Result 808 states and 1021 transitions. [2019-11-07 04:32:54,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 04:32:54,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2019-11-07 04:32:54,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:54,237 INFO L225 Difference]: With dead ends: 808 [2019-11-07 04:32:54,237 INFO L226 Difference]: Without dead ends: 364 [2019-11-07 04:32:54,241 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:32:54,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-11-07 04:32:54,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 352. [2019-11-07 04:32:54,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2019-11-07 04:32:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 399 transitions. [2019-11-07 04:32:54,278 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 399 transitions. Word has length 57 [2019-11-07 04:32:54,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:54,279 INFO L462 AbstractCegarLoop]: Abstraction has 352 states and 399 transitions. [2019-11-07 04:32:54,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:32:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 399 transitions. [2019-11-07 04:32:54,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-07 04:32:54,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:54,290 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 04:32:54,290 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:54,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:54,290 INFO L82 PathProgramCache]: Analyzing trace with hash -384580883, now seen corresponding path program 1 times [2019-11-07 04:32:54,290 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:54,291 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003838735] [2019-11-07 04:32:54,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:32:54,462 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003838735] [2019-11-07 04:32:54,462 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394561528] [2019-11-07 04:32:54,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:32:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:54,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-07 04:32:54,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:32:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 04:32:54,747 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:32:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 04:32:54,873 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 04:32:54,874 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-11-07 04:32:54,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789621816] [2019-11-07 04:32:54,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:32:54,876 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:54,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:32:54,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:32:54,877 INFO L87 Difference]: Start difference. First operand 352 states and 399 transitions. Second operand 7 states. [2019-11-07 04:32:55,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:55,040 INFO L93 Difference]: Finished difference Result 358 states and 405 transitions. [2019-11-07 04:32:55,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:32:55,041 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-11-07 04:32:55,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:55,041 INFO L225 Difference]: With dead ends: 358 [2019-11-07 04:32:55,042 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:32:55,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-07 04:32:55,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:32:55,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:32:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:32:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:32:55,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-11-07 04:32:55,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:55,044 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:32:55,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:32:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:32:55,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:32:55,245 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:32:55,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:32:56,261 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-11-07 04:32:56,617 INFO L443 ceAbstractionStarter]: For program point L350-2(lines 350 371) no Hoare annotation was computed. [2019-11-07 04:32:56,617 INFO L443 ceAbstractionStarter]: For program point L372(lines 349 373) no Hoare annotation was computed. [2019-11-07 04:32:56,617 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 325 380) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 360) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 325 380) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 417) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 381 440) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 432) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point L433(lines 406 434) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 381 440) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 381 440) no Hoare annotation was computed. [2019-11-07 04:32:56,618 INFO L443 ceAbstractionStarter]: For program point L426-1(line 426) no Hoare annotation was computed. [2019-11-07 04:32:56,619 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 04:32:56,619 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 04:32:56,619 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 04:32:56,619 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 04:32:56,619 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 649 673) the Hoare annotation is: true [2019-11-07 04:32:56,619 INFO L439 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:32:56,619 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 667) no Hoare annotation was computed. [2019-11-07 04:32:56,620 INFO L439 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-11-07 04:32:56,620 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 649 673) no Hoare annotation was computed. [2019-11-07 04:32:56,620 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-11-07 04:32:56,620 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 670) no Hoare annotation was computed. [2019-11-07 04:32:56,620 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 649 673) no Hoare annotation was computed. [2019-11-07 04:32:56,620 INFO L446 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: true [2019-11-07 04:32:56,620 INFO L443 ceAbstractionStarter]: For program point L655-1(line 655) no Hoare annotation was computed. [2019-11-07 04:32:56,620 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-11-07 04:32:56,621 INFO L439 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,621 INFO L439 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,621 INFO L439 ceAbstractionStarter]: At program point L255-1(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,621 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 249 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,621 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 249 271) no Hoare annotation was computed. [2019-11-07 04:32:56,622 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,622 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,622 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 266) no Hoare annotation was computed. [2019-11-07 04:32:56,622 INFO L443 ceAbstractionStarter]: For program point L259-1(lines 259 266) no Hoare annotation was computed. [2019-11-07 04:32:56,622 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-11-07 04:32:56,622 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-11-07 04:32:56,622 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 207 230) no Hoare annotation was computed. [2019-11-07 04:32:56,622 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-11-07 04:32:56,623 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-11-07 04:32:56,623 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-11-07 04:32:56,623 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 207 230) no Hoare annotation was computed. [2019-11-07 04:32:56,623 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-11-07 04:32:56,623 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 207 230) no Hoare annotation was computed. [2019-11-07 04:32:56,623 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-11-07 04:32:56,623 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-11-07 04:32:56,623 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-11-07 04:32:56,624 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-11-07 04:32:56,624 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-11-07 04:32:56,624 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-11-07 04:32:56,624 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-11-07 04:32:56,624 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-11-07 04:32:56,624 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2019-11-07 04:32:56,625 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-11-07 04:32:56,625 INFO L439 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:32:56,625 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-11-07 04:32:56,625 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2019-11-07 04:32:56,625 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2019-11-07 04:32:56,625 INFO L443 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2019-11-07 04:32:56,625 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2019-11-07 04:32:56,626 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2019-11-07 04:32:56,626 INFO L446 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2019-11-07 04:32:56,626 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2019-11-07 04:32:56,626 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-11-07 04:32:56,626 INFO L443 ceAbstractionStarter]: For program point L805-1(line 805) no Hoare annotation was computed. [2019-11-07 04:32:56,626 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2019-11-07 04:32:56,626 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 04:32:56,626 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 04:32:56,627 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 279 324) no Hoare annotation was computed. [2019-11-07 04:32:56,627 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 279 324) no Hoare annotation was computed. [2019-11-07 04:32:56,627 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 592 637) no Hoare annotation was computed. [2019-11-07 04:32:56,627 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 592 637) no Hoare annotation was computed. [2019-11-07 04:32:56,627 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 239 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,627 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 239 248) no Hoare annotation was computed. [2019-11-07 04:32:56,628 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 239 248) no Hoare annotation was computed. [2019-11-07 04:32:56,628 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2019-11-07 04:32:56,628 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2019-11-07 04:32:56,628 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-11-07 04:32:56,628 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-11-07 04:32:56,628 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2019-11-07 04:32:56,628 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2019-11-07 04:32:56,628 INFO L439 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-11-07 04:32:56,629 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2019-11-07 04:32:56,629 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-11-07 04:32:56,629 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2019-11-07 04:32:56,629 INFO L439 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-11-07 04:32:56,629 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-11-07 04:32:56,629 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-11-07 04:32:56,629 INFO L439 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-11-07 04:32:56,630 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-11-07 04:32:56,630 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-11-07 04:32:56,630 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2019-11-07 04:32:56,630 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2019-11-07 04:32:56,630 INFO L443 ceAbstractionStarter]: For program point L865(lines 864 913) no Hoare annotation was computed. [2019-11-07 04:32:56,630 INFO L439 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,630 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 854 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,631 INFO L443 ceAbstractionStarter]: For program point L894(lines 894 909) no Hoare annotation was computed. [2019-11-07 04:32:56,631 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 854 921) no Hoare annotation was computed. [2019-11-07 04:32:56,631 INFO L439 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,631 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-11-07 04:32:56,631 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2019-11-07 04:32:56,631 INFO L439 ceAbstractionStarter]: At program point L911(lines 864 913) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,631 INFO L439 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,632 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-11-07 04:32:56,632 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2019-11-07 04:32:56,632 INFO L439 ceAbstractionStarter]: At program point L914(lines 863 915) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,632 INFO L439 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,632 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-11-07 04:32:56,632 INFO L439 ceAbstractionStarter]: At program point L902-1(lines 894 909) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:56,632 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 854 921) no Hoare annotation was computed. [2019-11-07 04:32:56,633 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 546 591) no Hoare annotation was computed. [2019-11-07 04:32:56,633 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 546 591) no Hoare annotation was computed. [2019-11-07 04:32:56,633 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2019-11-07 04:32:56,633 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2019-11-07 04:32:56,633 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2019-11-07 04:32:56,633 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2019-11-07 04:32:56,633 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:32:56,633 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:32:56,634 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 443 545) no Hoare annotation was computed. [2019-11-07 04:32:56,634 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-07 04:32:56,634 INFO L443 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2019-11-07 04:32:56,634 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 471) no Hoare annotation was computed. [2019-11-07 04:32:56,634 INFO L443 ceAbstractionStarter]: For program point L492-2(lines 492 512) no Hoare annotation was computed. [2019-11-07 04:32:56,634 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 443 545) no Hoare annotation was computed. [2019-11-07 04:32:56,634 INFO L443 ceAbstractionStarter]: For program point L513(lines 491 514) no Hoare annotation was computed. [2019-11-07 04:32:56,634 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 488) no Hoare annotation was computed. [2019-11-07 04:32:56,634 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 443 545) no Hoare annotation was computed. [2019-11-07 04:32:56,635 INFO L443 ceAbstractionStarter]: For program point L493(lines 492 512) no Hoare annotation was computed. [2019-11-07 04:32:56,635 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-07 04:32:56,635 INFO L443 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2019-11-07 04:32:56,635 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 530) no Hoare annotation was computed. [2019-11-07 04:32:56,635 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 04:32:56,635 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:56,635 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2019-11-07 04:32:56,636 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2019-11-07 04:32:56,636 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 155 163) the Hoare annotation is: true [2019-11-07 04:32:56,636 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2019-11-07 04:32:56,636 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: true [2019-11-07 04:32:56,636 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2019-11-07 04:32:56,636 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:56,636 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:32:56,636 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 123 131) no Hoare annotation was computed. [2019-11-07 04:32:56,636 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2019-11-07 04:32:56,637 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-11-07 04:32:56,637 INFO L439 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-11-07 04:32:56,637 INFO L439 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:32:56,637 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-11-07 04:32:56,637 INFO L443 ceAbstractionStarter]: For program point L686(lines 685 704) no Hoare annotation was computed. [2019-11-07 04:32:56,637 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2019-11-07 04:32:56,637 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2019-11-07 04:32:56,637 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2019-11-07 04:32:56,637 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-11-07 04:32:56,637 INFO L446 ceAbstractionStarter]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2019-11-07 04:32:56,638 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 176 205) the Hoare annotation is: true [2019-11-07 04:32:56,638 INFO L446 ceAbstractionStarter]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2019-11-07 04:32:56,638 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-11-07 04:32:56,638 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-11-07 04:32:56,638 INFO L446 ceAbstractionStarter]: At program point L201(lines 176 205) the Hoare annotation is: true [2019-11-07 04:32:56,638 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-11-07 04:32:56,638 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2019-11-07 04:32:56,638 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2019-11-07 04:32:56,638 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 231 237) no Hoare annotation was computed. [2019-11-07 04:32:56,639 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 231 237) the Hoare annotation is: true [2019-11-07 04:32:56,639 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:56,639 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-07 04:32:56,639 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:32:56,639 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:32:56,639 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2019-11-07 04:32:56,639 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: true [2019-11-07 04:32:56,640 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2019-11-07 04:32:56,640 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-11-07 04:32:56,640 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-11-07 04:32:56,640 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2019-11-07 04:32:56,640 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2019-11-07 04:32:56,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:32:56 BoogieIcfgContainer [2019-11-07 04:32:56,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:32:56,671 INFO L168 Benchmark]: Toolchain (without parser) took 7683.59 ms. Allocated memory was 145.8 MB in the beginning and 291.5 MB in the end (delta: 145.8 MB). Free memory was 101.8 MB in the beginning and 159.5 MB in the end (delta: -57.7 MB). Peak memory consumption was 158.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:56,672 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 04:32:56,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.30 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 171.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:56,676 INFO L168 Benchmark]: Boogie Preprocessor took 100.03 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 167.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:56,677 INFO L168 Benchmark]: RCFGBuilder took 1570.38 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 167.1 MB in the beginning and 153.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:56,678 INFO L168 Benchmark]: TraceAbstraction took 5341.04 ms. Allocated memory was 237.5 MB in the beginning and 291.5 MB in the end (delta: 54.0 MB). Free memory was 151.7 MB in the beginning and 159.5 MB in the end (delta: -7.8 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:56,688 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.30 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 171.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.03 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 167.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1570.38 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 167.1 MB in the beginning and 153.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5341.04 ms. Allocated memory was 237.5 MB in the beginning and 291.5 MB in the end (delta: 54.0 MB). Free memory was 151.7 MB in the beginning and 159.5 MB in the end (delta: -7.8 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: 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: 864]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 176 locations, 1 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 622 SDtfs, 469 SDslu, 1392 SDs, 0 SdLazy, 521 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 541 PreInvPairs, 602 NumberOfFragments, 549 HoareAnnotationTreeSize, 541 FomulaSimplifications, 844 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 2710 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 469 ConstructedInterpolants, 0 QuantifiedInterpolants, 52091 SizeOfPredicates, 2 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 60/63 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...