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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:44,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:44,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:44,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:44,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:44,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:44,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:44,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:44,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:44,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:44,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:44,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:44,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:44,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:44,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:44,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:44,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:44,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:44,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:44,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:44,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:44,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:44,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:44,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:44,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:44,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:44,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:44,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:44,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:44,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:44,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:44,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:44,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:44,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:44,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:44,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:44,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:44,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:44,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:44,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:44,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:44,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:17:44,769 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:44,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:44,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:44,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:44,771 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:44,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:44,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:44,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:44,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:44,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:44,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:44,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:44,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:44,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:44,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:44,774 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:44,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:44,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:44,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:44,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:44,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:44,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:44,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:44,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:44,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:44,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:44,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:44,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:44,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:17:45,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:45,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:45,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:45,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:45,081 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:45,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product09.cil.c [2019-10-13 23:17:45,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489914fa1/7dc893a5ec17447185b1b4526d0829be/FLAGeab4c90d0 [2019-10-13 23:17:45,704 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:45,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product09.cil.c [2019-10-13 23:17:45,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489914fa1/7dc893a5ec17447185b1b4526d0829be/FLAGeab4c90d0 [2019-10-13 23:17:45,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489914fa1/7dc893a5ec17447185b1b4526d0829be [2019-10-13 23:17:45,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:45,943 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:45,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:45,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:45,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:45,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:45" (1/1) ... [2019-10-13 23:17:45,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbca3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:45, skipping insertion in model container [2019-10-13 23:17:45,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:45" (1/1) ... [2019-10-13 23:17:45,960 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:46,024 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:46,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:46,538 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:46,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:46,666 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:46,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46 WrapperNode [2019-10-13 23:17:46,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:46,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:46,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:46,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:46,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:46,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:46,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:46,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:46,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:17:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:17:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:48,360 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:48,360 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:48,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:48 BoogieIcfgContainer [2019-10-13 23:17:48,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:48,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:48,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:48,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:48,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:45" (1/3) ... [2019-10-13 23:17:48,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e304109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:48, skipping insertion in model container [2019-10-13 23:17:48,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (2/3) ... [2019-10-13 23:17:48,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e304109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:48, skipping insertion in model container [2019-10-13 23:17:48,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:48" (3/3) ... [2019-10-13 23:17:48,371 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2019-10-13 23:17:48,384 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:48,393 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:48,407 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:48,440 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:48,441 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:48,441 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:48,441 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:48,442 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:48,442 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:48,442 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:48,442 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-10-13 23:17:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:48,481 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:48,482 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:48,485 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:48,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:48,492 INFO L82 PathProgramCache]: Analyzing trace with hash 33269316, now seen corresponding path program 1 times [2019-10-13 23:17:48,502 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:48,503 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700319007] [2019-10-13 23:17:48,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,504 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:48,899 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700319007] [2019-10-13 23:17:48,900 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:48,901 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:48,902 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586308279] [2019-10-13 23:17:48,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:48,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:48,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:48,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:48,929 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-10-13 23:17:48,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:48,980 INFO L93 Difference]: Finished difference Result 152 states and 185 transitions. [2019-10-13 23:17:48,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:48,981 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:48,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:48,994 INFO L225 Difference]: With dead ends: 152 [2019-10-13 23:17:48,994 INFO L226 Difference]: Without dead ends: 78 [2019-10-13 23:17:49,001 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:49,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-13 23:17:49,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-10-13 23:17:49,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-13 23:17:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2019-10-13 23:17:49,050 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 52 [2019-10-13 23:17:49,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:49,051 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2019-10-13 23:17:49,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2019-10-13 23:17:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:49,055 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:49,055 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:49,055 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:49,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:49,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1487571406, now seen corresponding path program 1 times [2019-10-13 23:17:49,056 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:49,056 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711236888] [2019-10-13 23:17:49,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:49,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711236888] [2019-10-13 23:17:49,211 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:49,211 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:49,211 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463147753] [2019-10-13 23:17:49,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:49,215 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:49,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:49,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:49,215 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 3 states. [2019-10-13 23:17:49,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:49,254 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2019-10-13 23:17:49,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:49,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:49,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:49,258 INFO L225 Difference]: With dead ends: 110 [2019-10-13 23:17:49,259 INFO L226 Difference]: Without dead ends: 70 [2019-10-13 23:17:49,261 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:49,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-13 23:17:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-13 23:17:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-13 23:17:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2019-10-13 23:17:49,289 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 53 [2019-10-13 23:17:49,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:49,290 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2019-10-13 23:17:49,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2019-10-13 23:17:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-13 23:17:49,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:49,296 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:49,297 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:49,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:49,297 INFO L82 PathProgramCache]: Analyzing trace with hash -46665531, now seen corresponding path program 1 times [2019-10-13 23:17:49,297 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:49,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889377188] [2019-10-13 23:17:49,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,300 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:49,529 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889377188] [2019-10-13 23:17:49,529 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:49,530 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:49,530 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413830047] [2019-10-13 23:17:49,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:49,531 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:49,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:49,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:49,532 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 7 states. [2019-10-13 23:17:49,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:49,825 INFO L93 Difference]: Finished difference Result 115 states and 130 transitions. [2019-10-13 23:17:49,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:17:49,825 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-13 23:17:49,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:49,827 INFO L225 Difference]: With dead ends: 115 [2019-10-13 23:17:49,827 INFO L226 Difference]: Without dead ends: 70 [2019-10-13 23:17:49,828 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:17:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-13 23:17:49,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-13 23:17:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-13 23:17:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2019-10-13 23:17:49,837 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 55 [2019-10-13 23:17:49,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:49,839 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2019-10-13 23:17:49,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2019-10-13 23:17:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 23:17:49,840 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:49,841 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:49,841 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:49,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:49,841 INFO L82 PathProgramCache]: Analyzing trace with hash -869740696, now seen corresponding path program 1 times [2019-10-13 23:17:49,841 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:49,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558641699] [2019-10-13 23:17:49,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:17:49,979 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558641699] [2019-10-13 23:17:49,979 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:49,979 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:17:49,980 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485430596] [2019-10-13 23:17:49,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:17:49,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:49,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:17:49,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:17:49,983 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 6 states. [2019-10-13 23:17:50,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:50,142 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2019-10-13 23:17:50,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:17:50,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-13 23:17:50,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:50,143 INFO L225 Difference]: With dead ends: 110 [2019-10-13 23:17:50,143 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:50,146 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:17:50,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:50,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:50,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-13 23:17:50,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:50,151 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:50,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:17:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:50,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:50,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:50,407 INFO L443 ceAbstractionStarter]: For program point L514-2(lines 514 535) no Hoare annotation was computed. [2019-10-13 23:17:50,407 INFO L443 ceAbstractionStarter]: For program point L536(lines 513 537) no Hoare annotation was computed. [2019-10-13 23:17:50,407 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-10-13 23:17:50,407 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 489 544) no Hoare annotation was computed. [2019-10-13 23:17:50,407 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 489 544) no Hoare annotation was computed. [2019-10-13 23:17:50,407 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 581) no Hoare annotation was computed. [2019-10-13 23:17:50,407 INFO L443 ceAbstractionStarter]: For program point L571-2(lines 571 596) no Hoare annotation was computed. [2019-10-13 23:17:50,408 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 545 604) no Hoare annotation was computed. [2019-10-13 23:17:50,408 INFO L443 ceAbstractionStarter]: For program point L597(lines 570 598) no Hoare annotation was computed. [2019-10-13 23:17:50,408 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 545 604) no Hoare annotation was computed. [2019-10-13 23:17:50,408 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-13 23:17:50,414 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 23:17:50,414 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 545 604) no Hoare annotation was computed. [2019-10-13 23:17:50,415 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 821 827) the Hoare annotation is: true [2019-10-13 23:17:50,415 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 821 827) no Hoare annotation was computed. [2019-10-13 23:17:50,415 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 828 836) no Hoare annotation was computed. [2019-10-13 23:17:50,415 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 828 836) the Hoare annotation is: true [2019-10-13 23:17:50,415 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 839 846) the Hoare annotation is: true [2019-10-13 23:17:50,415 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 839 846) no Hoare annotation was computed. [2019-10-13 23:17:50,416 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 847 856) the Hoare annotation is: true [2019-10-13 23:17:50,416 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 847 856) no Hoare annotation was computed. [2019-10-13 23:17:50,416 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-13 23:17:50,416 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 882) no Hoare annotation was computed. [2019-10-13 23:17:50,416 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 857 885) no Hoare annotation was computed. [2019-10-13 23:17:50,416 INFO L446 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: true [2019-10-13 23:17:50,416 INFO L443 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2019-10-13 23:17:50,416 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 857 885) the Hoare annotation is: true [2019-10-13 23:17:50,417 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 857 885) no Hoare annotation was computed. [2019-10-13 23:17:50,417 INFO L439 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:50,417 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2019-10-13 23:17:50,419 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 879) no Hoare annotation was computed. [2019-10-13 23:17:50,419 INFO L446 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: true [2019-10-13 23:17:50,420 INFO L443 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-10-13 23:17:50,420 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 413 435) the Hoare annotation is: true [2019-10-13 23:17:50,420 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 413 435) no Hoare annotation was computed. [2019-10-13 23:17:50,420 INFO L439 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= main_~tmp~2 ~systemActive~0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:50,420 INFO L439 ceAbstractionStarter]: At program point L425-1(line 425) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= main_~tmp~2 ~systemActive~0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:50,421 INFO L443 ceAbstractionStarter]: For program point L423(lines 423 430) no Hoare annotation was computed. [2019-10-13 23:17:50,421 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 423 430) no Hoare annotation was computed. [2019-10-13 23:17:50,421 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-13 23:17:50,421 INFO L446 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: true [2019-10-13 23:17:50,421 INFO L446 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: true [2019-10-13 23:17:50,421 INFO L446 ceAbstractionStarter]: At program point L419-1(line 419) the Hoare annotation is: true [2019-10-13 23:17:50,421 INFO L443 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2019-10-13 23:17:50,422 INFO L443 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2019-10-13 23:17:50,422 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 367 390) no Hoare annotation was computed. [2019-10-13 23:17:50,422 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-10-13 23:17:50,422 INFO L443 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2019-10-13 23:17:50,422 INFO L443 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-10-13 23:17:50,422 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 367 390) no Hoare annotation was computed. [2019-10-13 23:17:50,423 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-10-13 23:17:50,423 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 367 390) no Hoare annotation was computed. [2019-10-13 23:17:50,423 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-10-13 23:17:50,423 INFO L443 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2019-10-13 23:17:50,423 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-10-13 23:17:50,423 INFO L443 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2019-10-13 23:17:50,423 INFO L443 ceAbstractionStarter]: For program point L375(line 375) no Hoare annotation was computed. [2019-10-13 23:17:50,424 INFO L443 ceAbstractionStarter]: For program point L374(line 374) no Hoare annotation was computed. [2019-10-13 23:17:50,424 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-10-13 23:17:50,424 INFO L443 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2019-10-13 23:17:50,424 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 170 177) no Hoare annotation was computed. [2019-10-13 23:17:50,424 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 170 177) no Hoare annotation was computed. [2019-10-13 23:17:50,424 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2019-10-13 23:17:50,424 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2019-10-13 23:17:50,425 INFO L443 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2019-10-13 23:17:50,425 INFO L443 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2019-10-13 23:17:50,425 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2019-10-13 23:17:50,425 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2019-10-13 23:17:50,425 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 814 820) no Hoare annotation was computed. [2019-10-13 23:17:50,425 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 814 820) the Hoare annotation is: true [2019-10-13 23:17:50,425 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 443 488) no Hoare annotation was computed. [2019-10-13 23:17:50,426 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 443 488) no Hoare annotation was computed. [2019-10-13 23:17:50,426 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 756 801) no Hoare annotation was computed. [2019-10-13 23:17:50,426 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 756 801) no Hoare annotation was computed. [2019-10-13 23:17:50,426 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 399 409) the Hoare annotation is: true [2019-10-13 23:17:50,426 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 399 409) no Hoare annotation was computed. [2019-10-13 23:17:50,426 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 399 409) no Hoare annotation was computed. [2019-10-13 23:17:50,426 INFO L446 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: true [2019-10-13 23:17:50,427 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-13 23:17:50,427 INFO L443 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2019-10-13 23:17:50,427 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 204 214) no Hoare annotation was computed. [2019-10-13 23:17:50,427 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2019-10-13 23:17:50,427 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 196 203) no Hoare annotation was computed. [2019-10-13 23:17:50,427 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2019-10-13 23:17:50,427 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 163 169) no Hoare annotation was computed. [2019-10-13 23:17:50,427 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 163 169) the Hoare annotation is: true [2019-10-13 23:17:50,428 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 262 325) the Hoare annotation is: true [2019-10-13 23:17:50,428 INFO L439 ceAbstractionStarter]: At program point L318(lines 271 319) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:50,428 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 262 325) no Hoare annotation was computed. [2019-10-13 23:17:50,429 INFO L439 ceAbstractionStarter]: At program point L308-2(lines 302 313) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:17:50,429 INFO L443 ceAbstractionStarter]: For program point L273(lines 272 317) no Hoare annotation was computed. [2019-10-13 23:17:50,430 INFO L439 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:17:50,430 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 298) no Hoare annotation was computed. [2019-10-13 23:17:50,430 INFO L443 ceAbstractionStarter]: For program point L292-1(lines 292 298) no Hoare annotation was computed. [2019-10-13 23:17:50,430 INFO L439 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:17:50,430 INFO L439 ceAbstractionStarter]: At program point L315(lines 272 317) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:17:50,431 INFO L443 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-10-13 23:17:50,431 INFO L443 ceAbstractionStarter]: For program point L282-1(lines 282 288) no Hoare annotation was computed. [2019-10-13 23:17:50,431 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 262 325) no Hoare annotation was computed. [2019-10-13 23:17:50,431 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 710 755) no Hoare annotation was computed. [2019-10-13 23:17:50,431 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 710 755) no Hoare annotation was computed. [2019-10-13 23:17:50,431 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-13 23:17:50,431 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-13 23:17:50,431 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 607 709) no Hoare annotation was computed. [2019-10-13 23:17:50,432 INFO L443 ceAbstractionStarter]: For program point L636(lines 636 652) no Hoare annotation was computed. [2019-10-13 23:17:50,432 INFO L443 ceAbstractionStarter]: For program point L657(lines 656 676) no Hoare annotation was computed. [2019-10-13 23:17:50,432 INFO L443 ceAbstractionStarter]: For program point L688(line 688) no Hoare annotation was computed. [2019-10-13 23:17:50,432 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-13 23:17:50,432 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 694) no Hoare annotation was computed. [2019-10-13 23:17:50,432 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 607 709) no Hoare annotation was computed. [2019-10-13 23:17:50,432 INFO L443 ceAbstractionStarter]: For program point L672(line 672) no Hoare annotation was computed. [2019-10-13 23:17:50,432 INFO L443 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2019-10-13 23:17:50,433 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 635) no Hoare annotation was computed. [2019-10-13 23:17:50,433 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 607 709) no Hoare annotation was computed. [2019-10-13 23:17:50,433 INFO L443 ceAbstractionStarter]: For program point L656-2(lines 656 676) no Hoare annotation was computed. [2019-10-13 23:17:50,433 INFO L443 ceAbstractionStarter]: For program point L677(lines 655 678) no Hoare annotation was computed. [2019-10-13 23:17:50,433 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 804 813) no Hoare annotation was computed. [2019-10-13 23:17:50,433 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 804 813) no Hoare annotation was computed. [2019-10-13 23:17:50,434 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:50,434 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,434 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 23:17:50,434 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 179 195) no Hoare annotation was computed. [2019-10-13 23:17:50,435 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 179 195) no Hoare annotation was computed. [2019-10-13 23:17:50,435 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 192) no Hoare annotation was computed. [2019-10-13 23:17:50,435 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 179 195) no Hoare annotation was computed. [2019-10-13 23:17:50,435 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 23:17:50,435 INFO L443 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2019-10-13 23:17:50,435 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-10-13 23:17:50,435 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-13 23:17:50,437 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-13 23:17:50,438 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-13 23:17:50,438 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,438 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,438 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2019-10-13 23:17:50,439 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-13 23:17:50,439 INFO L446 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: true [2019-10-13 23:17:50,439 INFO L446 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: true [2019-10-13 23:17:50,439 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:50,440 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 136 162) the Hoare annotation is: true [2019-10-13 23:17:50,440 INFO L443 ceAbstractionStarter]: For program point L143(lines 139 161) no Hoare annotation was computed. [2019-10-13 23:17:50,440 INFO L443 ceAbstractionStarter]: For program point L141(lines 139 161) no Hoare annotation was computed. [2019-10-13 23:17:50,440 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 136 162) no Hoare annotation was computed. [2019-10-13 23:17:50,440 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 136 162) no Hoare annotation was computed. [2019-10-13 23:17:50,440 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 337 366) no Hoare annotation was computed. [2019-10-13 23:17:50,440 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 355) no Hoare annotation was computed. [2019-10-13 23:17:50,440 INFO L446 ceAbstractionStarter]: At program point L351-1(lines 351 355) the Hoare annotation is: true [2019-10-13 23:17:50,441 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 337 366) the Hoare annotation is: true [2019-10-13 23:17:50,441 INFO L446 ceAbstractionStarter]: At program point L347-2(lines 347 361) the Hoare annotation is: true [2019-10-13 23:17:50,441 INFO L446 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: true [2019-10-13 23:17:50,441 INFO L443 ceAbstractionStarter]: For program point L343-1(line 343) no Hoare annotation was computed. [2019-10-13 23:17:50,441 INFO L446 ceAbstractionStarter]: At program point L362(lines 337 366) the Hoare annotation is: true [2019-10-13 23:17:50,441 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-10-13 23:17:50,441 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-13 23:17:50,441 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-13 23:17:50,442 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 391 397) no Hoare annotation was computed. [2019-10-13 23:17:50,442 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 391 397) the Hoare annotation is: true [2019-10-13 23:17:50,442 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,442 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,442 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:50,442 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,442 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-13 23:17:50,443 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-13 23:17:50,443 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 327 334) the Hoare annotation is: true [2019-10-13 23:17:50,443 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 327 334) no Hoare annotation was computed. [2019-10-13 23:17:50,443 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 331) no Hoare annotation was computed. [2019-10-13 23:17:50,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:50 BoogieIcfgContainer [2019-10-13 23:17:50,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:50,462 INFO L168 Benchmark]: Toolchain (without parser) took 4517.33 ms. Allocated memory was 136.8 MB in the beginning and 250.6 MB in the end (delta: 113.8 MB). Free memory was 99.1 MB in the beginning and 120.1 MB in the end (delta: -21.0 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,463 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.61 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 169.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,465 INFO L168 Benchmark]: Boogie Preprocessor took 104.73 ms. Allocated memory is still 201.3 MB. Free memory was 169.4 MB in the beginning and 165.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,466 INFO L168 Benchmark]: RCFGBuilder took 1590.06 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 165.2 MB in the beginning and 154.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,467 INFO L168 Benchmark]: TraceAbstraction took 2095.88 ms. Allocated memory was 231.2 MB in the beginning and 250.6 MB in the end (delta: 19.4 MB). Free memory was 152.9 MB in the beginning and 120.1 MB in the end (delta: 32.8 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,472 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.61 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 169.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.73 ms. Allocated memory is still 201.3 MB. Free memory was 169.4 MB in the beginning and 165.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1590.06 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 165.2 MB in the beginning and 154.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2095.88 ms. Allocated memory was 231.2 MB in the beginning and 250.6 MB in the end (delta: 19.4 MB). Free memory was 152.9 MB in the beginning and 120.1 MB in the end (delta: 32.8 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 331]: 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: 272]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || 0 == splverifierCounter - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(systemActive == 1) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 165 locations, 1 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 312 SDtfs, 137 SDslu, 369 SDs, 0 SdLazy, 132 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 125 PreInvPairs, 132 NumberOfFragments, 139 HoareAnnotationTreeSize, 125 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 402 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 18842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...