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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:29,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:29,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:29,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:29,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:29,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:29,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:29,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:29,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:29,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:29,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:29,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:29,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:29,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:29,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:29,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:29,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:29,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:29,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:29,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:29,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:29,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:29,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:29,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:29,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:29,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:29,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:29,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:29,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:29,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:29,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:29,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:29,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:29,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:29,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:29,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:29,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:29,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:29,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:29,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:29,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:29,640 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 15:20:29,656 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:29,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:29,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:29,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:29,658 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:29,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:29,659 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:29,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:29,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:29,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:29,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:29,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:29,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:29,660 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:29,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:29,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:29,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:29,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:29,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:29,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:29,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:29,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:29,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:29,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:29,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:29,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:29,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:29,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:29,663 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 15:20:29,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:30,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:30,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:30,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:30,014 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:30,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product10.cil.c [2019-10-07 15:20:30,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8272b8b57/af3817437c6c4c2095c96d837c947c49/FLAG2d6fe54e2 [2019-10-07 15:20:30,594 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:30,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product10.cil.c [2019-10-07 15:20:30,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8272b8b57/af3817437c6c4c2095c96d837c947c49/FLAG2d6fe54e2 [2019-10-07 15:20:30,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8272b8b57/af3817437c6c4c2095c96d837c947c49 [2019-10-07 15:20:30,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:30,931 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:30,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:30,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:30,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:30,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:30" (1/1) ... [2019-10-07 15:20:30,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:30, skipping insertion in model container [2019-10-07 15:20:30,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:30" (1/1) ... [2019-10-07 15:20:30,948 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:30,987 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:31,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:31,454 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:31,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:31,635 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:31,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31 WrapperNode [2019-10-07 15:20:31,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:31,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:31,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:31,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:31,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31" (1/1) ... [2019-10-07 15:20:31,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31" (1/1) ... [2019-10-07 15:20:31,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31" (1/1) ... [2019-10-07 15:20:31,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31" (1/1) ... [2019-10-07 15:20:31,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31" (1/1) ... [2019-10-07 15:20:31,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31" (1/1) ... [2019-10-07 15:20:31,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31" (1/1) ... [2019-10-07 15:20:31,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:31,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:31,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:31,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:31,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31" (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 15:20:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:31,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:31,776 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:31,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:31,776 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:31,776 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:31,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-07 15:20:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-07 15:20:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:33,233 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:33,234 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:33,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:33 BoogieIcfgContainer [2019-10-07 15:20:33,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:33,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:33,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:33,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:33,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:30" (1/3) ... [2019-10-07 15:20:33,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463632e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:33, skipping insertion in model container [2019-10-07 15:20:33,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:31" (2/3) ... [2019-10-07 15:20:33,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463632e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:33, skipping insertion in model container [2019-10-07 15:20:33,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:33" (3/3) ... [2019-10-07 15:20:33,244 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2019-10-07 15:20:33,255 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:33,264 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:33,276 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:33,304 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:33,304 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:33,304 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:33,305 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:33,305 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:33,306 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:33,306 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:33,306 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-10-07 15:20:33,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:33,337 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:33,338 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 15:20:33,340 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:33,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:33,347 INFO L82 PathProgramCache]: Analyzing trace with hash 362969810, now seen corresponding path program 1 times [2019-10-07 15:20:33,355 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:33,356 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:33,356 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:33,356 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:33,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:33,666 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 15:20:33,667 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:33,668 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:33,669 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:33,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:33,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:33,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:33,691 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-10-07 15:20:33,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:33,729 INFO L93 Difference]: Finished difference Result 160 states and 195 transitions. [2019-10-07 15:20:33,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:33,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:33,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:33,746 INFO L225 Difference]: With dead ends: 160 [2019-10-07 15:20:33,747 INFO L226 Difference]: Without dead ends: 82 [2019-10-07 15:20:33,755 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 15:20:33,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-07 15:20:33,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-07 15:20:33,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-07 15:20:33,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-10-07 15:20:33,811 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 52 [2019-10-07 15:20:33,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:33,812 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-10-07 15:20:33,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:33,812 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-10-07 15:20:33,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:33,816 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:33,816 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 15:20:33,816 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:33,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:33,817 INFO L82 PathProgramCache]: Analyzing trace with hash 736204104, now seen corresponding path program 1 times [2019-10-07 15:20:33,817 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:33,817 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:33,817 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:33,818 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:33,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:33,977 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 15:20:33,978 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:33,978 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:33,979 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:33,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:33,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:33,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:33,983 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2019-10-07 15:20:34,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:34,022 INFO L93 Difference]: Finished difference Result 114 states and 129 transitions. [2019-10-07 15:20:34,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:34,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:34,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:34,028 INFO L225 Difference]: With dead ends: 114 [2019-10-07 15:20:34,028 INFO L226 Difference]: Without dead ends: 74 [2019-10-07 15:20:34,030 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 15:20:34,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-07 15:20:34,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-07 15:20:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-07 15:20:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2019-10-07 15:20:34,058 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 53 [2019-10-07 15:20:34,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:34,059 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2019-10-07 15:20:34,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2019-10-07 15:20:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:34,067 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:34,068 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] [2019-10-07 15:20:34,070 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:34,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:34,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1757122942, now seen corresponding path program 1 times [2019-10-07 15:20:34,071 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:34,071 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:34,071 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:34,071 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:34,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:34,294 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 15:20:34,295 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:34,295 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:34,295 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:34,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:34,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:34,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:34,297 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 7 states. [2019-10-07 15:20:34,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:34,636 INFO L93 Difference]: Finished difference Result 123 states and 140 transitions. [2019-10-07 15:20:34,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:34,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:34,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:34,638 INFO L225 Difference]: With dead ends: 123 [2019-10-07 15:20:34,638 INFO L226 Difference]: Without dead ends: 74 [2019-10-07 15:20:34,639 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 15:20:34,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-07 15:20:34,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-07 15:20:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-07 15:20:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-10-07 15:20:34,648 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 56 [2019-10-07 15:20:34,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:34,651 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2019-10-07 15:20:34,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:34,651 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2019-10-07 15:20:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-07 15:20:34,653 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:34,653 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] [2019-10-07 15:20:34,653 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:34,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:34,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2024359561, now seen corresponding path program 1 times [2019-10-07 15:20:34,654 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:34,654 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:34,654 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:34,654 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:34,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:34,784 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 15:20:34,785 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:34,785 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:34,785 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 15:20:34,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 15:20:34,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 15:20:34,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:20:34,787 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand 8 states. [2019-10-07 15:20:35,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:35,514 INFO L93 Difference]: Finished difference Result 188 states and 222 transitions. [2019-10-07 15:20:35,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-07 15:20:35,515 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2019-10-07 15:20:35,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:35,516 INFO L225 Difference]: With dead ends: 188 [2019-10-07 15:20:35,516 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:35,522 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2019-10-07 15:20:35,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:35,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:35,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-10-07 15:20:35,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:35,525 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:35,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 15:20:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:35,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:35,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:36,010 INFO L443 ceAbstractionStarter]: For program point L314(lines 291 315) no Hoare annotation was computed. [2019-10-07 15:20:36,010 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 302) no Hoare annotation was computed. [2019-10-07 15:20:36,011 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 267 322) no Hoare annotation was computed. [2019-10-07 15:20:36,011 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 267 322) no Hoare annotation was computed. [2019-10-07 15:20:36,011 INFO L443 ceAbstractionStarter]: For program point L292-2(lines 292 313) no Hoare annotation was computed. [2019-10-07 15:20:36,011 INFO L443 ceAbstractionStarter]: For program point L349-2(lines 349 374) no Hoare annotation was computed. [2019-10-07 15:20:36,011 INFO L443 ceAbstractionStarter]: For program point L375(lines 348 376) no Hoare annotation was computed. [2019-10-07 15:20:36,011 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 323 382) no Hoare annotation was computed. [2019-10-07 15:20:36,011 INFO L443 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-10-07 15:20:36,012 INFO L443 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2019-10-07 15:20:36,012 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 323 382) no Hoare annotation was computed. [2019-10-07 15:20:36,012 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 323 382) no Hoare annotation was computed. [2019-10-07 15:20:36,012 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 359) no Hoare annotation was computed. [2019-10-07 15:20:36,014 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:20:36,014 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:20:36,014 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:20:36,014 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:20:36,014 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 167 174) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,015 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 167 174) no Hoare annotation was computed. [2019-10-07 15:20:36,015 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 175 184) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,015 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 175 184) no Hoare annotation was computed. [2019-10-07 15:20:36,015 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-07 15:20:36,020 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 210) no Hoare annotation was computed. [2019-10-07 15:20:36,020 INFO L443 ceAbstractionStarter]: For program point L193-1(lines 185 213) no Hoare annotation was computed. [2019-10-07 15:20:36,020 INFO L446 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: true [2019-10-07 15:20:36,020 INFO L443 ceAbstractionStarter]: For program point L191-1(line 191) no Hoare annotation was computed. [2019-10-07 15:20:36,021 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 185 213) the Hoare annotation is: true [2019-10-07 15:20:36,021 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 185 213) no Hoare annotation was computed. [2019-10-07 15:20:36,021 INFO L439 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2019-10-07 15:20:36,021 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 204) no Hoare annotation was computed. [2019-10-07 15:20:36,021 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 207) no Hoare annotation was computed. [2019-10-07 15:20:36,021 INFO L446 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: true [2019-10-07 15:20:36,021 INFO L443 ceAbstractionStarter]: For program point L195-1(line 195) no Hoare annotation was computed. [2019-10-07 15:20:36,022 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 872 894) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,022 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 872 894) no Hoare annotation was computed. [2019-10-07 15:20:36,022 INFO L439 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= main_~tmp~6 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,022 INFO L439 ceAbstractionStarter]: At program point L884-1(line 884) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= main_~tmp~6 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,022 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 889) no Hoare annotation was computed. [2019-10-07 15:20:36,022 INFO L443 ceAbstractionStarter]: For program point L882-1(lines 882 889) no Hoare annotation was computed. [2019-10-07 15:20:36,023 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-07 15:20:36,023 INFO L439 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,023 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,023 INFO L439 ceAbstractionStarter]: At program point L878-1(line 878) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,023 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 830 853) no Hoare annotation was computed. [2019-10-07 15:20:36,023 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 830 853) no Hoare annotation was computed. [2019-10-07 15:20:36,024 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 830 853) no Hoare annotation was computed. [2019-10-07 15:20:36,024 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-07 15:20:36,024 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-07 15:20:36,024 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-07 15:20:36,025 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-07 15:20:36,025 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-07 15:20:36,026 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-07 15:20:36,026 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-07 15:20:36,026 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-07 15:20:36,026 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-10-07 15:20:36,026 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-07 15:20:36,026 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-07 15:20:36,026 INFO L443 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2019-10-07 15:20:36,026 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-07 15:20:36,027 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-07 15:20:36,027 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 691 698) no Hoare annotation was computed. [2019-10-07 15:20:36,027 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 691 698) no Hoare annotation was computed. [2019-10-07 15:20:36,027 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2019-10-07 15:20:36,027 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2019-10-07 15:20:36,027 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-10-07 15:20:36,028 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 745 780) no Hoare annotation was computed. [2019-10-07 15:20:36,028 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-07 15:20:36,028 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 745 780) no Hoare annotation was computed. [2019-10-07 15:20:36,028 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:20:36,028 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:20:36,028 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 221 266) no Hoare annotation was computed. [2019-10-07 15:20:36,028 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 221 266) no Hoare annotation was computed. [2019-10-07 15:20:36,029 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 534 579) no Hoare annotation was computed. [2019-10-07 15:20:36,029 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 534 579) no Hoare annotation was computed. [2019-10-07 15:20:36,029 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 861 871) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,029 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 861 871) no Hoare annotation was computed. [2019-10-07 15:20:36,029 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 861 871) no Hoare annotation was computed. [2019-10-07 15:20:36,029 INFO L439 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,030 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 725 735) no Hoare annotation was computed. [2019-10-07 15:20:36,030 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2019-10-07 15:20:36,030 INFO L443 ceAbstractionStarter]: For program point L730(line 730) no Hoare annotation was computed. [2019-10-07 15:20:36,030 INFO L443 ceAbstractionStarter]: For program point L730-1(line 730) no Hoare annotation was computed. [2019-10-07 15:20:36,030 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 717 724) no Hoare annotation was computed. [2019-10-07 15:20:36,030 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2019-10-07 15:20:36,030 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 684 690) no Hoare annotation was computed. [2019-10-07 15:20:36,031 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 684 690) the Hoare annotation is: true [2019-10-07 15:20:36,031 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 584 649) the Hoare annotation is: (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:36,031 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 584 649) no Hoare annotation was computed. [2019-10-07 15:20:36,031 INFO L439 ceAbstractionStarter]: At program point L632-2(lines 624 637) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:36,031 INFO L443 ceAbstractionStarter]: For program point L595(lines 594 641) no Hoare annotation was computed. [2019-10-07 15:20:36,031 INFO L439 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:36,032 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 637) no Hoare annotation was computed. [2019-10-07 15:20:36,032 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:36,032 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2019-10-07 15:20:36,032 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2019-10-07 15:20:36,032 INFO L439 ceAbstractionStarter]: At program point L639(lines 594 641) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:36,032 INFO L439 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:36,033 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 610) no Hoare annotation was computed. [2019-10-07 15:20:36,033 INFO L443 ceAbstractionStarter]: For program point L604-1(lines 604 610) no Hoare annotation was computed. [2019-10-07 15:20:36,033 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 584 649) no Hoare annotation was computed. [2019-10-07 15:20:36,033 INFO L439 ceAbstractionStarter]: At program point L642(lines 593 643) the Hoare annotation is: (not (= |old(~systemActive~0)| 1)) [2019-10-07 15:20:36,033 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 488 533) no Hoare annotation was computed. [2019-10-07 15:20:36,033 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 488 533) no Hoare annotation was computed. [2019-10-07 15:20:36,033 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2019-10-07 15:20:36,034 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2019-10-07 15:20:36,034 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:20:36,034 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:20:36,034 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-07 15:20:36,034 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 385 487) no Hoare annotation was computed. [2019-10-07 15:20:36,034 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-07 15:20:36,034 INFO L443 ceAbstractionStarter]: For program point L434-2(lines 434 454) no Hoare annotation was computed. [2019-10-07 15:20:36,035 INFO L443 ceAbstractionStarter]: For program point L455(lines 433 456) no Hoare annotation was computed. [2019-10-07 15:20:36,035 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 385 487) no Hoare annotation was computed. [2019-10-07 15:20:36,035 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 430) no Hoare annotation was computed. [2019-10-07 15:20:36,035 INFO L443 ceAbstractionStarter]: For program point L435(lines 434 454) no Hoare annotation was computed. [2019-10-07 15:20:36,035 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-07 15:20:36,035 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 385 487) no Hoare annotation was computed. [2019-10-07 15:20:36,035 INFO L443 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2019-10-07 15:20:36,036 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 472) no Hoare annotation was computed. [2019-10-07 15:20:36,036 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-07 15:20:36,036 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:36,036 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:36,036 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-10-07 15:20:36,036 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-07 15:20:36,037 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 700 716) no Hoare annotation was computed. [2019-10-07 15:20:36,039 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 700 716) no Hoare annotation was computed. [2019-10-07 15:20:36,039 INFO L443 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2019-10-07 15:20:36,039 INFO L443 ceAbstractionStarter]: For program point L711-1(lines 700 716) no Hoare annotation was computed. [2019-10-07 15:20:36,039 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 713) no Hoare annotation was computed. [2019-10-07 15:20:36,039 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2019-10-07 15:20:36,039 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2019-10-07 15:20:36,040 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2019-10-07 15:20:36,040 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2019-10-07 15:20:36,040 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:36,040 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:36,043 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 122 130) no Hoare annotation was computed. [2019-10-07 15:20:36,044 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2019-10-07 15:20:36,044 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:36,044 INFO L439 ceAbstractionStarter]: At program point L671(lines 671 677) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:36,044 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) (not (= ~systemActive~0 1))) [2019-10-07 15:20:36,044 INFO L443 ceAbstractionStarter]: For program point L664(lines 660 682) no Hoare annotation was computed. [2019-10-07 15:20:36,045 INFO L443 ceAbstractionStarter]: For program point L662(lines 660 682) no Hoare annotation was computed. [2019-10-07 15:20:36,045 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 657 683) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-07 15:20:36,045 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 657 683) no Hoare annotation was computed. [2019-10-07 15:20:36,045 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 657 683) no Hoare annotation was computed. [2019-10-07 15:20:36,045 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 800 829) no Hoare annotation was computed. [2019-10-07 15:20:36,045 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 800 829) the Hoare annotation is: true [2019-10-07 15:20:36,045 INFO L446 ceAbstractionStarter]: At program point L825(lines 800 829) the Hoare annotation is: true [2019-10-07 15:20:36,046 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-07 15:20:36,046 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 818) no Hoare annotation was computed. [2019-10-07 15:20:36,046 INFO L446 ceAbstractionStarter]: At program point L814-1(lines 814 818) the Hoare annotation is: true [2019-10-07 15:20:36,046 INFO L446 ceAbstractionStarter]: At program point L810-2(lines 810 824) the Hoare annotation is: true [2019-10-07 15:20:36,046 INFO L446 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2019-10-07 15:20:36,046 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-10-07 15:20:36,046 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2019-10-07 15:20:36,047 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2019-10-07 15:20:36,047 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 854 860) no Hoare annotation was computed. [2019-10-07 15:20:36,047 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 854 860) the Hoare annotation is: true [2019-10-07 15:20:36,047 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:36,047 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) [2019-10-07 15:20:36,047 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:36,047 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:36,048 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2019-10-07 15:20:36,048 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:36,048 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2019-10-07 15:20:36,049 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2019-10-07 15:20:36,049 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 794) no Hoare annotation was computed. [2019-10-07 15:20:36,049 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 790 797) the Hoare annotation is: true [2019-10-07 15:20:36,049 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 790 797) no Hoare annotation was computed. [2019-10-07 15:20:36,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:36 BoogieIcfgContainer [2019-10-07 15:20:36,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:36,087 INFO L168 Benchmark]: Toolchain (without parser) took 5152.41 ms. Allocated memory was 137.4 MB in the beginning and 250.1 MB in the end (delta: 112.7 MB). Free memory was 100.8 MB in the beginning and 173.1 MB in the end (delta: -72.4 MB). Peak memory consumption was 127.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:36,091 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:36,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.75 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 173.5 MB in the end (delta: -72.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:36,093 INFO L168 Benchmark]: Boogie Preprocessor took 83.11 ms. Allocated memory is still 203.4 MB. Free memory was 173.5 MB in the beginning and 169.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:36,095 INFO L168 Benchmark]: RCFGBuilder took 1516.40 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 169.3 MB in the beginning and 158.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:36,096 INFO L168 Benchmark]: TraceAbstraction took 2838.08 ms. Allocated memory was 234.4 MB in the beginning and 250.1 MB in the end (delta: 15.7 MB). Free memory was 158.7 MB in the beginning and 173.1 MB in the end (delta: -14.4 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:36,107 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 137.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.75 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 173.5 MB in the end (delta: -72.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.11 ms. Allocated memory is still 203.4 MB. Free memory was 173.5 MB in the beginning and 169.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1516.40 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 169.3 MB in the beginning and 158.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2838.08 ms. Allocated memory was 234.4 MB in the beginning and 250.1 MB in the end (delta: 15.7 MB). Free memory was 158.7 MB in the beginning and 173.1 MB in the end (delta: -14.4 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 794]: 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: 594]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == splverifierCounter) || !(\old(systemActive) == 1) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 169 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 406 SDtfs, 167 SDslu, 625 SDs, 0 SdLazy, 447 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 45 LocationsWithAnnotation, 156 PreInvPairs, 180 NumberOfFragments, 312 HoareAnnotationTreeSize, 156 FomulaSimplifications, 173 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 682 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 17446 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...