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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:45,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:45,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:45,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:45,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:45,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:45,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:45,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:45,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:45,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:45,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:45,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:45,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:45,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:45,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:45,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:45,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:45,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:45,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:45,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:45,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:45,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:45,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:45,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:45,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:45,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:45,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:45,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:45,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:45,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:45,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:45,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:45,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:45,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:45,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:45,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:45,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:45,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:45,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:45,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:45,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:45,574 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 [2019-10-07 15:20:45,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:45,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:45,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:45,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:45,600 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:45,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:45,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:45,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:45,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:45,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:45,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:45,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:45,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:45,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:45,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:45,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:45,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:45,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:45,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:45,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:45,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:45,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:45,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:45,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:45,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:45,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:45,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:45,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:45,609 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 [2019-10-07 15:20:45,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:45,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:45,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:45,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:45,924 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:45,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2019-10-07 15:20:45,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56bc054ba/d490daf828fb427f8ffbd982b579a22d/FLAGe53fe6ea0 [2019-10-07 15:20:46,496 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:46,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2019-10-07 15:20:46,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56bc054ba/d490daf828fb427f8ffbd982b579a22d/FLAGe53fe6ea0 [2019-10-07 15:20:46,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56bc054ba/d490daf828fb427f8ffbd982b579a22d [2019-10-07 15:20:46,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:46,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:46,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:46,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:46,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:46,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76624cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46, skipping insertion in model container [2019-10-07 15:20:46,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,866 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:46,927 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:47,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:47,392 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:47,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:47,555 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:47,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47 WrapperNode [2019-10-07 15:20:47,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:47,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:47,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:47,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:47,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (1/1) ... [2019-10-07 15:20:47,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:47,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:47,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:47,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:47,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (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 [2019-10-07 15:20:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:20:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:20:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:20:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:20:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:20:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:20:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:20:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:20:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:49,486 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:49,487 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:49,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:49 BoogieIcfgContainer [2019-10-07 15:20:49,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:49,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:49,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:49,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:49,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:46" (1/3) ... [2019-10-07 15:20:49,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba3ad4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:49, skipping insertion in model container [2019-10-07 15:20:49,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:47" (2/3) ... [2019-10-07 15:20:49,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba3ad4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:49, skipping insertion in model container [2019-10-07 15:20:49,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:49" (3/3) ... [2019-10-07 15:20:49,496 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2019-10-07 15:20:49,506 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:49,514 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:49,525 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:49,552 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:49,552 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:49,553 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:49,553 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:49,553 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:49,553 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:49,553 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:49,553 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-10-07 15:20:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:49,585 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:49,586 INFO L385 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] [2019-10-07 15:20:49,588 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:49,594 INFO L82 PathProgramCache]: Analyzing trace with hash 2063868889, now seen corresponding path program 1 times [2019-10-07 15:20:49,603 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:49,603 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,604 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,604 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:49,950 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,950 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:49,951 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:49,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:49,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:49,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:49,974 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-10-07 15:20:50,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:50,022 INFO L93 Difference]: Finished difference Result 208 states and 255 transitions. [2019-10-07 15:20:50,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:50,023 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:50,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:50,037 INFO L225 Difference]: With dead ends: 208 [2019-10-07 15:20:50,037 INFO L226 Difference]: Without dead ends: 106 [2019-10-07 15:20:50,042 INFO L606 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 [2019-10-07 15:20:50,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-07 15:20:50,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-07 15:20:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-07 15:20:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2019-10-07 15:20:50,098 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2019-10-07 15:20:50,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:50,099 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2019-10-07 15:20:50,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:50,099 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2019-10-07 15:20:50,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:50,103 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:50,104 INFO L385 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] [2019-10-07 15:20:50,104 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:50,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:50,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1024435227, now seen corresponding path program 1 times [2019-10-07 15:20:50,105 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:50,105 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,106 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,106 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:50,311 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,311 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:50,312 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:50,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:50,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:50,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:50,315 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 3 states. [2019-10-07 15:20:50,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:50,337 INFO L93 Difference]: Finished difference Result 156 states and 180 transitions. [2019-10-07 15:20:50,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:50,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:50,340 INFO L225 Difference]: With dead ends: 156 [2019-10-07 15:20:50,340 INFO L226 Difference]: Without dead ends: 98 [2019-10-07 15:20:50,342 INFO L606 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 [2019-10-07 15:20:50,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-07 15:20:50,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-10-07 15:20:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-07 15:20:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 112 transitions. [2019-10-07 15:20:50,358 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 112 transitions. Word has length 53 [2019-10-07 15:20:50,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:50,359 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 112 transitions. [2019-10-07 15:20:50,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2019-10-07 15:20:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:20:50,361 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:50,362 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:50,362 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:50,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:50,363 INFO L82 PathProgramCache]: Analyzing trace with hash -68914841, now seen corresponding path program 1 times [2019-10-07 15:20:50,363 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:50,363 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,363 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,364 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:50,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:50,614 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,614 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:50,615 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:50,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:50,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:50,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:50,616 INFO L87 Difference]: Start difference. First operand 98 states and 112 transitions. Second operand 7 states. [2019-10-07 15:20:51,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:51,057 INFO L93 Difference]: Finished difference Result 294 states and 353 transitions. [2019-10-07 15:20:51,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:20:51,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-07 15:20:51,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:51,062 INFO L225 Difference]: With dead ends: 294 [2019-10-07 15:20:51,062 INFO L226 Difference]: Without dead ends: 221 [2019-10-07 15:20:51,063 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:20:51,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-07 15:20:51,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 209. [2019-10-07 15:20:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-07 15:20:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2019-10-07 15:20:51,140 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 57 [2019-10-07 15:20:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:51,141 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2019-10-07 15:20:51,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2019-10-07 15:20:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:20:51,144 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:51,145 INFO L385 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] [2019-10-07 15:20:51,145 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:51,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:51,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1540891108, now seen corresponding path program 1 times [2019-10-07 15:20:51,146 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:51,146 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:51,146 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:51,146 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:51,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:51,279 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:51,279 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:51,279 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:51,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:51,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:51,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:51,281 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand 7 states. [2019-10-07 15:20:51,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:51,842 INFO L93 Difference]: Finished difference Result 353 states and 439 transitions. [2019-10-07 15:20:51,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:51,843 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:20:51,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:51,844 INFO L225 Difference]: With dead ends: 353 [2019-10-07 15:20:51,844 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:51,851 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:20:51,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:51,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:51,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-07 15:20:51,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:51,853 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:51,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:51,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:51,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:52,567 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-10-07 15:20:52,568 INFO L443 ceAbstractionStarter]: For program point L367-2(lines 367 388) no Hoare annotation was computed. [2019-10-07 15:20:52,568 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 342 397) no Hoare annotation was computed. [2019-10-07 15:20:52,568 INFO L443 ceAbstractionStarter]: For program point L389(lines 366 390) no Hoare annotation was computed. [2019-10-07 15:20:52,568 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 342 397) no Hoare annotation was computed. [2019-10-07 15:20:52,568 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-07 15:20:52,568 INFO L443 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2019-10-07 15:20:52,568 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 398 457) no Hoare annotation was computed. [2019-10-07 15:20:52,569 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 398 457) no Hoare annotation was computed. [2019-10-07 15:20:52,569 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 434) no Hoare annotation was computed. [2019-10-07 15:20:52,569 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 398 457) no Hoare annotation was computed. [2019-10-07 15:20:52,569 INFO L443 ceAbstractionStarter]: For program point L424-2(lines 424 449) no Hoare annotation was computed. [2019-10-07 15:20:52,569 INFO L443 ceAbstractionStarter]: For program point L450(lines 423 451) no Hoare annotation was computed. [2019-10-07 15:20:52,570 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2019-10-07 15:20:52,570 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2019-10-07 15:20:52,570 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2019-10-07 15:20:52,570 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2019-10-07 15:20:52,570 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 139 146) the Hoare annotation is: true [2019-10-07 15:20:52,570 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2019-10-07 15:20:52,570 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 147 156) the Hoare annotation is: true [2019-10-07 15:20:52,570 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 147 156) no Hoare annotation was computed. [2019-10-07 15:20:52,571 INFO L443 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2019-10-07 15:20:52,571 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 157 185) the Hoare annotation is: true [2019-10-07 15:20:52,571 INFO L439 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:20:52,571 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 157 185) no Hoare annotation was computed. [2019-10-07 15:20:52,571 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 176) no Hoare annotation was computed. [2019-10-07 15:20:52,571 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 179) no Hoare annotation was computed. [2019-10-07 15:20:52,571 INFO L446 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: true [2019-10-07 15:20:52,572 INFO L443 ceAbstractionStarter]: For program point L167-1(line 167) no Hoare annotation was computed. [2019-10-07 15:20:52,572 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2019-10-07 15:20:52,572 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 157 185) no Hoare annotation was computed. [2019-10-07 15:20:52,572 INFO L446 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: true [2019-10-07 15:20:52,572 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-10-07 15:20:52,572 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,572 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2019-10-07 15:20:52,573 INFO L439 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:52,573 INFO L439 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:52,573 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2019-10-07 15:20:52,573 INFO L443 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2019-10-07 15:20:52,573 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-07 15:20:52,573 INFO L439 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,574 INFO L439 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,574 INFO L439 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,574 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-07 15:20:52,574 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 220 243) no Hoare annotation was computed. [2019-10-07 15:20:52,574 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 220 243) no Hoare annotation was computed. [2019-10-07 15:20:52,574 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 220 243) no Hoare annotation was computed. [2019-10-07 15:20:52,574 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-10-07 15:20:52,575 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-10-07 15:20:52,575 INFO L443 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2019-10-07 15:20:52,575 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-10-07 15:20:52,575 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-07 15:20:52,575 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-07 15:20:52,575 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-07 15:20:52,575 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-07 15:20:52,575 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-10-07 15:20:52,576 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-07 15:20:52,576 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-07 15:20:52,576 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-07 15:20:52,576 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-07 15:20:52,576 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 876 890) no Hoare annotation was computed. [2019-10-07 15:20:52,576 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 886) no Hoare annotation was computed. [2019-10-07 15:20:52,576 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 876 890) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:20:52,577 INFO L439 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:52,577 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 812 820) no Hoare annotation was computed. [2019-10-07 15:20:52,577 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 812 820) the Hoare annotation is: true [2019-10-07 15:20:52,577 INFO L446 ceAbstractionStarter]: At program point L864(line 864) the Hoare annotation is: true [2019-10-07 15:20:52,577 INFO L443 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2019-10-07 15:20:52,577 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 857 875) the Hoare annotation is: true [2019-10-07 15:20:52,578 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 857 875) no Hoare annotation was computed. [2019-10-07 15:20:52,578 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-07 15:20:52,578 INFO L443 ceAbstractionStarter]: For program point L851-1(line 851) no Hoare annotation was computed. [2019-10-07 15:20:52,578 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 821 856) no Hoare annotation was computed. [2019-10-07 15:20:52,578 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 821 856) no Hoare annotation was computed. [2019-10-07 15:20:52,578 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2019-10-07 15:20:52,578 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2019-10-07 15:20:52,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 296 341) no Hoare annotation was computed. [2019-10-07 15:20:52,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 296 341) no Hoare annotation was computed. [2019-10-07 15:20:52,579 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 609 654) no Hoare annotation was computed. [2019-10-07 15:20:52,579 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 609 654) no Hoare annotation was computed. [2019-10-07 15:20:52,579 INFO L439 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,579 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 252 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,580 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 252 262) no Hoare annotation was computed. [2019-10-07 15:20:52,580 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 252 262) no Hoare annotation was computed. [2019-10-07 15:20:52,580 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 801 811) no Hoare annotation was computed. [2019-10-07 15:20:52,580 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 801 811) no Hoare annotation was computed. [2019-10-07 15:20:52,580 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-07 15:20:52,580 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-10-07 15:20:52,580 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 793 800) the Hoare annotation is: true [2019-10-07 15:20:52,581 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 793 800) no Hoare annotation was computed. [2019-10-07 15:20:52,581 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:52,581 INFO L443 ceAbstractionStarter]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2019-10-07 15:20:52,581 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 742 766) no Hoare annotation was computed. [2019-10-07 15:20:52,581 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:52,581 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 742 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:52,581 INFO L439 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:52,582 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 758) no Hoare annotation was computed. [2019-10-07 15:20:52,582 INFO L439 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:52,582 INFO L443 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2019-10-07 15:20:52,582 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 763) no Hoare annotation was computed. [2019-10-07 15:20:52,582 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2019-10-07 15:20:52,582 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2019-10-07 15:20:52,582 INFO L439 ceAbstractionStarter]: At program point L960(lines 909 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,583 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 900 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,583 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 900 967) no Hoare annotation was computed. [2019-10-07 15:20:52,583 INFO L439 ceAbstractionStarter]: At program point L950(line 950) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,583 INFO L443 ceAbstractionStarter]: For program point L948(lines 948 954) no Hoare annotation was computed. [2019-10-07 15:20:52,583 INFO L439 ceAbstractionStarter]: At program point L948-1(lines 940 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,583 INFO L443 ceAbstractionStarter]: For program point L911(lines 910 959) no Hoare annotation was computed. [2019-10-07 15:20:52,584 INFO L439 ceAbstractionStarter]: At program point L942(line 942) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,584 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 955) no Hoare annotation was computed. [2019-10-07 15:20:52,584 INFO L439 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,584 INFO L443 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-10-07 15:20:52,584 INFO L443 ceAbstractionStarter]: For program point L930-1(lines 930 936) no Hoare annotation was computed. [2019-10-07 15:20:52,584 INFO L439 ceAbstractionStarter]: At program point L957(lines 910 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,584 INFO L439 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:52,585 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2019-10-07 15:20:52,587 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 920 926) no Hoare annotation was computed. [2019-10-07 15:20:52,587 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 900 967) no Hoare annotation was computed. [2019-10-07 15:20:52,587 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 563 608) no Hoare annotation was computed. [2019-10-07 15:20:52,587 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 563 608) no Hoare annotation was computed. [2019-10-07 15:20:52,587 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 767 774) no Hoare annotation was computed. [2019-10-07 15:20:52,587 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 767 774) no Hoare annotation was computed. [2019-10-07 15:20:52,588 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-07 15:20:52,588 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-07 15:20:52,589 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:20:52,589 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:20:52,599 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 460 562) no Hoare annotation was computed. [2019-10-07 15:20:52,599 INFO L443 ceAbstractionStarter]: For program point L510(lines 509 529) no Hoare annotation was computed. [2019-10-07 15:20:52,599 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-07 15:20:52,599 INFO L443 ceAbstractionStarter]: For program point L541-1(line 541) no Hoare annotation was computed. [2019-10-07 15:20:52,600 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 547) no Hoare annotation was computed. [2019-10-07 15:20:52,600 INFO L443 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2019-10-07 15:20:52,600 INFO L443 ceAbstractionStarter]: For program point L525-1(line 525) no Hoare annotation was computed. [2019-10-07 15:20:52,600 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 460 562) no Hoare annotation was computed. [2019-10-07 15:20:52,603 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 488) no Hoare annotation was computed. [2019-10-07 15:20:52,603 INFO L443 ceAbstractionStarter]: For program point L509-2(lines 509 529) no Hoare annotation was computed. [2019-10-07 15:20:52,603 INFO L443 ceAbstractionStarter]: For program point L530(lines 508 531) no Hoare annotation was computed. [2019-10-07 15:20:52,603 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 460 562) no Hoare annotation was computed. [2019-10-07 15:20:52,603 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 505) no Hoare annotation was computed. [2019-10-07 15:20:52,604 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 657 666) no Hoare annotation was computed. [2019-10-07 15:20:52,604 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 657 666) no Hoare annotation was computed. [2019-10-07 15:20:52,604 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:52,604 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,604 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 789) no Hoare annotation was computed. [2019-10-07 15:20:52,604 INFO L443 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2019-10-07 15:20:52,604 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-07 15:20:52,604 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 776 792) no Hoare annotation was computed. [2019-10-07 15:20:52,605 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 776 792) no Hoare annotation was computed. [2019-10-07 15:20:52,605 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-07 15:20:52,605 INFO L443 ceAbstractionStarter]: For program point L787-1(lines 776 792) no Hoare annotation was computed. [2019-10-07 15:20:52,605 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-07 15:20:52,605 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-07 15:20:52,605 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-07 15:20:52,605 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-07 15:20:52,605 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,605 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,606 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 85 93) no Hoare annotation was computed. [2019-10-07 15:20:52,606 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-07 15:20:52,606 INFO L439 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:20:52,606 INFO L439 ceAbstractionStarter]: At program point L721(lines 721 727) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:52,607 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 707 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:52,607 INFO L439 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:52,607 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 707 733) no Hoare annotation was computed. [2019-10-07 15:20:52,607 INFO L443 ceAbstractionStarter]: For program point L714(lines 710 732) no Hoare annotation was computed. [2019-10-07 15:20:52,607 INFO L443 ceAbstractionStarter]: For program point L712(lines 710 732) no Hoare annotation was computed. [2019-10-07 15:20:52,607 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 707 733) no Hoare annotation was computed. [2019-10-07 15:20:52,607 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2019-10-07 15:20:52,608 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2019-10-07 15:20:52,608 INFO L446 ceAbstractionStarter]: At program point L214(lines 189 218) the Hoare annotation is: true [2019-10-07 15:20:52,608 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-07 15:20:52,608 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2019-10-07 15:20:52,608 INFO L446 ceAbstractionStarter]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2019-10-07 15:20:52,608 INFO L446 ceAbstractionStarter]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2019-10-07 15:20:52,608 INFO L446 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: true [2019-10-07 15:20:52,608 INFO L443 ceAbstractionStarter]: For program point L195-1(line 195) no Hoare annotation was computed. [2019-10-07 15:20:52,609 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-07 15:20:52,609 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-07 15:20:52,609 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 244 250) no Hoare annotation was computed. [2019-10-07 15:20:52,609 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 244 250) the Hoare annotation is: true [2019-10-07 15:20:52,609 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,609 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:52,609 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:52,609 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:52,610 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 891 898) no Hoare annotation was computed. [2019-10-07 15:20:52,610 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 891 898) the Hoare annotation is: true [2019-10-07 15:20:52,610 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-07 15:20:52,610 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-07 15:20:52,610 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2019-10-07 15:20:52,610 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 691 698) the Hoare annotation is: true [2019-10-07 15:20:52,610 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 691 698) no Hoare annotation was computed. [2019-10-07 15:20:52,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:52 BoogieIcfgContainer [2019-10-07 15:20:52,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:52,639 INFO L168 Benchmark]: Toolchain (without parser) took 5789.65 ms. Allocated memory was 145.8 MB in the beginning and 247.5 MB in the end (delta: 101.7 MB). Free memory was 102.2 MB in the beginning and 107.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,640 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.28 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 172.8 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,643 INFO L168 Benchmark]: Boogie Preprocessor took 128.04 ms. Allocated memory is still 203.9 MB. Free memory was 172.8 MB in the beginning and 168.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,644 INFO L168 Benchmark]: RCFGBuilder took 1803.86 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.7 MB in the beginning and 150.3 MB in the end (delta: 18.4 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,645 INFO L168 Benchmark]: TraceAbstraction took 3146.89 ms. Allocated memory was 236.5 MB in the beginning and 247.5 MB in the end (delta: 11.0 MB). Free memory was 150.3 MB in the beginning and 107.6 MB in the end (delta: 42.6 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:52,650 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.28 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 172.8 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.04 ms. Allocated memory is still 203.9 MB. Free memory was 172.8 MB in the beginning and 168.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1803.86 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.7 MB in the beginning and 150.3 MB in the end (delta: 18.4 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3146.89 ms. Allocated memory was 236.5 MB in the beginning and 247.5 MB in the end (delta: 11.0 MB). Free memory was 150.3 MB in the beginning and 107.6 MB in the end (delta: 42.6 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 191 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 463 SDtfs, 252 SDslu, 690 SDs, 0 SdLazy, 368 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 20673 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...