java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:21:12,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:21:12,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:21:12,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:21:12,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:21:12,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:21:12,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:21:12,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:21:12,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:21:12,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:21:12,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:21:12,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:21:12,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:21:12,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:21:12,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:21:12,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:21:12,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:21:12,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:21:12,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:21:12,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:21:12,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:21:12,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:21:12,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:21:12,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:21:12,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:21:12,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:21:12,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:21:12,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:21:12,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:21:12,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:21:12,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:21:12,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:21:12,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:21:12,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:21:12,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:21:12,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:21:12,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:21:12,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:21:12,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:21:12,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:21:12,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:21:12,749 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 [2019-10-15 03:21:12,764 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:21:12,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:21:12,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:21:12,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:21:12,766 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:21:12,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:21:12,767 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:21:12,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:21:12,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:21:12,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:21:12,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:21:12,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:21:12,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:21:12,768 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:21:12,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:21:12,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:21:12,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:21:12,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:21:12,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:21:12,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:21:12,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:21:12,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:21:12,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:21:12,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:21:12,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:21:12,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:21:12,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:21:12,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:21:12,771 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 [2019-10-15 03:21:13,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:21:13,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:21:13,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:21:13,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:21:13,070 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:21:13,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-10-15 03:21:13,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880adaa87/3b14e690e6c04f5780bd127a869af10f/FLAG9a549c544 [2019-10-15 03:21:13,687 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:21:13,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-10-15 03:21:13,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880adaa87/3b14e690e6c04f5780bd127a869af10f/FLAG9a549c544 [2019-10-15 03:21:13,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880adaa87/3b14e690e6c04f5780bd127a869af10f [2019-10-15 03:21:13,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:21:13,996 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:21:13,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:21:13,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:21:14,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:21:14,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:21:13" (1/1) ... [2019-10-15 03:21:14,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14, skipping insertion in model container [2019-10-15 03:21:14,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:21:13" (1/1) ... [2019-10-15 03:21:14,013 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:21:14,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:21:14,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:21:14,537 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:21:14,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:21:14,642 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:21:14,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14 WrapperNode [2019-10-15 03:21:14,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:21:14,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:21:14,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:21:14,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:21:14,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14" (1/1) ... [2019-10-15 03:21:14,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14" (1/1) ... [2019-10-15 03:21:14,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14" (1/1) ... [2019-10-15 03:21:14,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14" (1/1) ... [2019-10-15 03:21:14,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14" (1/1) ... [2019-10-15 03:21:14,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14" (1/1) ... [2019-10-15 03:21:14,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14" (1/1) ... [2019-10-15 03:21:14,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:21:14,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:21:14,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:21:14,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:21:14,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14" (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 [2019-10-15 03:21:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:21:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:21:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:21:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:21:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:21:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:21:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:21:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:21:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:21:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:21:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:21:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:21:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:21:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:21:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 03:21:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:21:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:21:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:21:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:21:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:21:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:21:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:21:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:21:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 03:21:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:21:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:21:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:21:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:21:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:21:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:21:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:21:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:21:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:21:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:21:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:21:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:21:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:21:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:21:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:21:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:21:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:21:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:21:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:21:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:21:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:21:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:21:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:21:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:21:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:21:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:21:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:21:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:21:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:21:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:21:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:21:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:21:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:21:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:21:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:21:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 03:21:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:21:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:21:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 03:21:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:21:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:21:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:21:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:21:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:21:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:21:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:21:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:21:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:21:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:21:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:21:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:21:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:21:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:21:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:21:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:21:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:21:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:21:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:21:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:21:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:21:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:21:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:21:16,274 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:21:16,274 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:21:16,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:21:16 BoogieIcfgContainer [2019-10-15 03:21:16,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:21:16,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:21:16,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:21:16,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:21:16,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:21:13" (1/3) ... [2019-10-15 03:21:16,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b697c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:21:16, skipping insertion in model container [2019-10-15 03:21:16,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:14" (2/3) ... [2019-10-15 03:21:16,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b697c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:21:16, skipping insertion in model container [2019-10-15 03:21:16,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:21:16" (3/3) ... [2019-10-15 03:21:16,284 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2019-10-15 03:21:16,295 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:21:16,304 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:21:16,316 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:21:16,343 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:21:16,344 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:21:16,344 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:21:16,344 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:21:16,345 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:21:16,345 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:21:16,345 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:21:16,345 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:21:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2019-10-15 03:21:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 03:21:16,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:16,378 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:16,380 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:16,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:16,387 INFO L82 PathProgramCache]: Analyzing trace with hash -2061992732, now seen corresponding path program 1 times [2019-10-15 03:21:16,397 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:16,398 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601043679] [2019-10-15 03:21:16,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:16,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:16,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:16,848 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601043679] [2019-10-15 03:21:16,849 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:16,853 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:21:16,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117076343] [2019-10-15 03:21:16,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:21:16,859 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:16,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:21:16,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:21:16,879 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2019-10-15 03:21:16,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:16,957 INFO L93 Difference]: Finished difference Result 183 states and 220 transitions. [2019-10-15 03:21:16,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:21:16,961 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-15 03:21:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:16,984 INFO L225 Difference]: With dead ends: 183 [2019-10-15 03:21:16,984 INFO L226 Difference]: Without dead ends: 92 [2019-10-15 03:21:16,993 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 [2019-10-15 03:21:17,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-15 03:21:17,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-15 03:21:17,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-15 03:21:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2019-10-15 03:21:17,090 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 42 [2019-10-15 03:21:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:17,091 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2019-10-15 03:21:17,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:21:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2019-10-15 03:21:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 03:21:17,097 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:17,097 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:17,097 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:17,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:17,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1569434315, now seen corresponding path program 1 times [2019-10-15 03:21:17,098 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:17,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916228616] [2019-10-15 03:21:17,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:17,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:17,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:17,276 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916228616] [2019-10-15 03:21:17,277 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:17,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:21:17,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574808563] [2019-10-15 03:21:17,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:21:17,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:17,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:21:17,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:21:17,281 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 3 states. [2019-10-15 03:21:17,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:17,315 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2019-10-15 03:21:17,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:21:17,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 03:21:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:17,320 INFO L225 Difference]: With dead ends: 137 [2019-10-15 03:21:17,320 INFO L226 Difference]: Without dead ends: 84 [2019-10-15 03:21:17,321 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 [2019-10-15 03:21:17,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-15 03:21:17,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-15 03:21:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-15 03:21:17,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2019-10-15 03:21:17,335 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 43 [2019-10-15 03:21:17,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:17,335 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2019-10-15 03:21:17,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:21:17,336 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2019-10-15 03:21:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:21:17,338 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:17,338 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:17,338 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:17,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:17,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1951384716, now seen corresponding path program 1 times [2019-10-15 03:21:17,339 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:17,339 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901322550] [2019-10-15 03:21:17,339 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:17,340 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:17,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:17,537 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901322550] [2019-10-15 03:21:17,537 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:17,538 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:21:17,538 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516780956] [2019-10-15 03:21:17,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:21:17,540 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:17,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:21:17,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:21:17,541 INFO L87 Difference]: Start difference. First operand 84 states and 93 transitions. Second operand 7 states. [2019-10-15 03:21:17,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:17,851 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2019-10-15 03:21:17,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:21:17,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-15 03:21:17,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:17,853 INFO L225 Difference]: With dead ends: 146 [2019-10-15 03:21:17,854 INFO L226 Difference]: Without dead ends: 84 [2019-10-15 03:21:17,855 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:21:17,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-10-15 03:21:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-10-15 03:21:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-15 03:21:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2019-10-15 03:21:17,874 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 46 [2019-10-15 03:21:17,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:17,875 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2019-10-15 03:21:17,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:21:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2019-10-15 03:21:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-15 03:21:17,877 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:17,877 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:17,877 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:17,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:17,878 INFO L82 PathProgramCache]: Analyzing trace with hash 584858507, now seen corresponding path program 1 times [2019-10-15 03:21:17,878 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:17,878 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335357184] [2019-10-15 03:21:17,878 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:17,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:17,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:18,060 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335357184] [2019-10-15 03:21:18,060 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:18,060 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:21:18,061 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073289823] [2019-10-15 03:21:18,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:21:18,062 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:18,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:21:18,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:21:18,063 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 10 states. [2019-10-15 03:21:18,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:18,580 INFO L93 Difference]: Finished difference Result 253 states and 294 transitions. [2019-10-15 03:21:18,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:21:18,583 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2019-10-15 03:21:18,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:18,587 INFO L225 Difference]: With dead ends: 253 [2019-10-15 03:21:18,588 INFO L226 Difference]: Without dead ends: 191 [2019-10-15 03:21:18,589 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:21:18,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-10-15 03:21:18,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2019-10-15 03:21:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-10-15 03:21:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 207 transitions. [2019-10-15 03:21:18,618 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 207 transitions. Word has length 54 [2019-10-15 03:21:18,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:18,619 INFO L462 AbstractCegarLoop]: Abstraction has 183 states and 207 transitions. [2019-10-15 03:21:18,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:21:18,619 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 207 transitions. [2019-10-15 03:21:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 03:21:18,622 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:18,622 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:18,622 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:18,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:18,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1799130581, now seen corresponding path program 1 times [2019-10-15 03:21:18,623 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:18,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333497502] [2019-10-15 03:21:18,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:18,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:18,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:18,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333497502] [2019-10-15 03:21:18,693 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:18,693 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:21:18,693 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900596437] [2019-10-15 03:21:18,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:21:18,694 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:18,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:21:18,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:21:18,694 INFO L87 Difference]: Start difference. First operand 183 states and 207 transitions. Second operand 3 states. [2019-10-15 03:21:18,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:18,712 INFO L93 Difference]: Finished difference Result 302 states and 350 transitions. [2019-10-15 03:21:18,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:21:18,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-15 03:21:18,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:18,714 INFO L225 Difference]: With dead ends: 302 [2019-10-15 03:21:18,714 INFO L226 Difference]: Without dead ends: 141 [2019-10-15 03:21:18,716 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:21:18,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-15 03:21:18,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-15 03:21:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-15 03:21:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 151 transitions. [2019-10-15 03:21:18,732 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 151 transitions. Word has length 57 [2019-10-15 03:21:18,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:18,732 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 151 transitions. [2019-10-15 03:21:18,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:21:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2019-10-15 03:21:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 03:21:18,735 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:18,735 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:18,735 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:18,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:18,736 INFO L82 PathProgramCache]: Analyzing trace with hash -2111327934, now seen corresponding path program 1 times [2019-10-15 03:21:18,736 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:18,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028465348] [2019-10-15 03:21:18,736 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:18,737 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:18,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 03:21:19,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028465348] [2019-10-15 03:21:19,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284782531] [2019-10-15 03:21:19,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:21:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:19,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-15 03:21:19,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:21:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:21:19,374 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:21:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:21:19,565 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 03:21:19,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [15] total 20 [2019-10-15 03:21:19,566 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930106850] [2019-10-15 03:21:19,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:21:19,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:19,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:21:19,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2019-10-15 03:21:19,568 INFO L87 Difference]: Start difference. First operand 141 states and 151 transitions. Second operand 7 states. [2019-10-15 03:21:19,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:19,779 INFO L93 Difference]: Finished difference Result 143 states and 153 transitions. [2019-10-15 03:21:19,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:21:19,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2019-10-15 03:21:19,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:19,781 INFO L225 Difference]: With dead ends: 143 [2019-10-15 03:21:19,781 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:21:19,782 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 181 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2019-10-15 03:21:19,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:21:19,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:21:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:21:19,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:21:19,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-15 03:21:19,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:19,783 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:21:19,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:21:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:21:19,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:21:19,984 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:21:19,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:21:20,762 INFO L443 ceAbstractionStarter]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2019-10-15 03:21:20,762 INFO L443 ceAbstractionStarter]: For program point L566(lines 543 567) no Hoare annotation was computed. [2019-10-15 03:21:20,763 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2019-10-15 03:21:20,763 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 554) no Hoare annotation was computed. [2019-10-15 03:21:20,763 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2019-10-15 03:21:20,763 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 611) no Hoare annotation was computed. [2019-10-15 03:21:20,763 INFO L443 ceAbstractionStarter]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2019-10-15 03:21:20,763 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2019-10-15 03:21:20,763 INFO L443 ceAbstractionStarter]: For program point L627(lines 600 628) no Hoare annotation was computed. [2019-10-15 03:21:20,763 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2019-10-15 03:21:20,763 INFO L443 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-10-15 03:21:20,764 INFO L443 ceAbstractionStarter]: For program point L620-1(line 620) no Hoare annotation was computed. [2019-10-15 03:21:20,764 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2019-10-15 03:21:20,764 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2019-10-15 03:21:20,764 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2019-10-15 03:21:20,764 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2019-10-15 03:21:20,764 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2019-10-15 03:21:20,764 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2019-10-15 03:21:20,765 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-15 03:21:20,765 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2019-10-15 03:21:20,765 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2019-10-15 03:21:20,765 INFO L439 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:21:20,765 INFO L443 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2019-10-15 03:21:20,765 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 251) no Hoare annotation was computed. [2019-10-15 03:21:20,765 INFO L443 ceAbstractionStarter]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2019-10-15 03:21:20,765 INFO L446 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: true [2019-10-15 03:21:20,766 INFO L443 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2019-10-15 03:21:20,766 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-15 03:21:20,766 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-15 03:21:20,766 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,766 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,766 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,767 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,767 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-15 03:21:20,767 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,767 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,767 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-15 03:21:20,768 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-15 03:21:20,768 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-15 03:21:20,768 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-15 03:21:20,768 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-15 03:21:20,768 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-15 03:21:20,768 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-15 03:21:20,769 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-15 03:21:20,769 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-15 03:21:20,769 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-15 03:21:20,769 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-15 03:21:20,769 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-15 03:21:20,769 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-15 03:21:20,770 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-15 03:21:20,770 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-15 03:21:20,770 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-15 03:21:20,770 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-15 03:21:20,770 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-15 03:21:20,770 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2019-10-15 03:21:20,771 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2019-10-15 03:21:20,771 INFO L443 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2019-10-15 03:21:20,771 INFO L443 ceAbstractionStarter]: For program point L385-1(line 385) no Hoare annotation was computed. [2019-10-15 03:21:20,771 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 355 390) no Hoare annotation was computed. [2019-10-15 03:21:20,771 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 355 390) no Hoare annotation was computed. [2019-10-15 03:21:20,771 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2019-10-15 03:21:20,772 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2019-10-15 03:21:20,772 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2019-10-15 03:21:20,772 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2019-10-15 03:21:20,772 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2019-10-15 03:21:20,772 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2019-10-15 03:21:20,772 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,772 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-15 03:21:20,773 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-15 03:21:20,773 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2019-10-15 03:21:20,773 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2019-10-15 03:21:20,773 INFO L446 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: true [2019-10-15 03:21:20,773 INFO L443 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2019-10-15 03:21:20,773 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2019-10-15 03:21:20,773 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2019-10-15 03:21:20,773 INFO L439 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-15 03:21:20,774 INFO L443 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2019-10-15 03:21:20,774 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2019-10-15 03:21:20,774 INFO L439 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:21:20,774 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-15 03:21:20,774 INFO L439 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:21:20,774 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2019-10-15 03:21:20,774 INFO L439 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:21:20,774 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-15 03:21:20,775 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2019-10-15 03:21:20,775 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2019-10-15 03:21:20,775 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2019-10-15 03:21:20,775 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 400 465) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,775 INFO L439 ceAbstractionStarter]: At program point L448-2(lines 440 453) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-15 03:21:20,775 INFO L443 ceAbstractionStarter]: For program point L411(lines 410 457) no Hoare annotation was computed. [2019-10-15 03:21:20,775 INFO L439 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-15 03:21:20,776 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 453) no Hoare annotation was computed. [2019-10-15 03:21:20,776 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2019-10-15 03:21:20,776 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-15 03:21:20,776 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-10-15 03:21:20,776 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-10-15 03:21:20,776 INFO L439 ceAbstractionStarter]: At program point L455(lines 410 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-15 03:21:20,777 INFO L439 ceAbstractionStarter]: At program point L422(line 422) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-15 03:21:20,777 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-10-15 03:21:20,777 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2019-10-15 03:21:20,777 INFO L439 ceAbstractionStarter]: At program point L458(lines 409 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,777 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2019-10-15 03:21:20,777 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2019-10-15 03:21:20,777 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2019-10-15 03:21:20,778 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2019-10-15 03:21:20,800 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2019-10-15 03:21:20,800 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2019-10-15 03:21:20,801 INFO L443 ceAbstractionStarter]: For program point L702(line 702) no Hoare annotation was computed. [2019-10-15 03:21:20,801 INFO L443 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2019-10-15 03:21:20,801 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 665) no Hoare annotation was computed. [2019-10-15 03:21:20,801 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2019-10-15 03:21:20,801 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2019-10-15 03:21:20,801 INFO L443 ceAbstractionStarter]: For program point L707(lines 685 708) no Hoare annotation was computed. [2019-10-15 03:21:20,801 INFO L443 ceAbstractionStarter]: For program point L666(lines 666 682) no Hoare annotation was computed. [2019-10-15 03:21:20,801 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2019-10-15 03:21:20,802 INFO L443 ceAbstractionStarter]: For program point L687(lines 686 706) no Hoare annotation was computed. [2019-10-15 03:21:20,802 INFO L443 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2019-10-15 03:21:20,802 INFO L443 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2019-10-15 03:21:20,802 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 724) no Hoare annotation was computed. [2019-10-15 03:21:20,802 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 834 843) no Hoare annotation was computed. [2019-10-15 03:21:20,802 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 834 843) no Hoare annotation was computed. [2019-10-15 03:21:20,802 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:21:20,803 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:21:20,803 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 319 326) no Hoare annotation was computed. [2019-10-15 03:21:20,803 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 319 326) no Hoare annotation was computed. [2019-10-15 03:21:20,803 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2019-10-15 03:21:20,803 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2019-10-15 03:21:20,803 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2019-10-15 03:21:20,803 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2019-10-15 03:21:20,803 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:21:20,803 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:21:20,804 INFO L439 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-15 03:21:20,804 INFO L439 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-15 03:21:20,804 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-15 03:21:20,804 INFO L439 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:21:20,804 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2019-10-15 03:21:20,805 INFO L443 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2019-10-15 03:21:20,805 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2019-10-15 03:21:20,805 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-15 03:21:20,805 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-15 03:21:20,805 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-15 03:21:20,805 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-15 03:21:20,805 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-15 03:21:20,805 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-15 03:21:20,806 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-15 03:21:20,806 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-15 03:21:20,806 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-15 03:21:20,806 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2019-10-15 03:21:20,806 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2019-10-15 03:21:20,806 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2019-10-15 03:21:20,806 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2019-10-15 03:21:20,806 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-15 03:21:20,807 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-15 03:21:20,807 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:21:20,807 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 03:21:20,807 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:21:20,807 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:21:20,807 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2019-10-15 03:21:20,807 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:21:20,807 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2019-10-15 03:21:20,808 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:20,808 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-10-15 03:21:20,808 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2019-10-15 03:21:20,808 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2019-10-15 03:21:20,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:21:20 BoogieIcfgContainer [2019-10-15 03:21:20,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:21:20,844 INFO L168 Benchmark]: Toolchain (without parser) took 6845.87 ms. Allocated memory was 138.4 MB in the beginning and 282.6 MB in the end (delta: 144.2 MB). Free memory was 100.7 MB in the beginning and 245.2 MB in the end (delta: -144.5 MB). Peak memory consumption was 155.4 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:20,846 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 03:21:20,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.19 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.5 MB in the beginning and 171.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:20,853 INFO L168 Benchmark]: Boogie Preprocessor took 87.04 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 168.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:20,854 INFO L168 Benchmark]: RCFGBuilder took 1544.56 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 168.0 MB in the beginning and 157.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:20,856 INFO L168 Benchmark]: TraceAbstraction took 4563.01 ms. Allocated memory was 235.9 MB in the beginning and 282.6 MB in the end (delta: 46.7 MB). Free memory was 157.2 MB in the beginning and 245.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 114.3 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:20,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.19 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.5 MB in the beginning and 171.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.04 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 168.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1544.56 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 168.0 MB in the beginning and 157.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4563.01 ms. Allocated memory was 235.9 MB in the beginning and 282.6 MB in the end (delta: 46.7 MB). Free memory was 157.2 MB in the beginning and 245.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 114.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 164 locations, 1 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 540 SDtfs, 306 SDslu, 1122 SDs, 0 SdLazy, 425 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 270 PreInvPairs, 291 NumberOfFragments, 595 HoareAnnotationTreeSize, 270 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 819 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 501 ConstructedInterpolants, 0 QuantifiedInterpolants, 63379 SizeOfPredicates, 2 NumberOfNonLiveVariables, 756 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 68/84 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...