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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:04,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:04,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:04,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:04,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:04,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:04,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:04,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:04,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:04,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:04,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:04,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:04,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:04,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:04,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:04,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:04,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:04,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:04,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:04,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:04,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:04,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:04,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:04,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:04,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:04,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:04,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:04,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:04,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:04,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:04,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:04,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:04,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:04,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:04,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:04,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:04,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:04,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:04,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:04,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:04,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:04,834 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 15:19:04,848 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:04,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:04,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:04,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:04,850 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:04,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:04,851 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:04,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:04,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:04,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:04,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:04,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:04,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:04,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:04,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:04,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:04,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:04,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:04,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:04,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:04,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:04,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:04,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:04,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:04,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:04,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:04,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:04,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:04,855 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 15:19:05,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:05,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:05,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:05,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:05,161 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:05,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-10-07 15:19:05,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbf38dc9/c81805eda13b460aa5b57da04a1d07c7/FLAG4d9c76eb0 [2019-10-07 15:19:05,776 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:05,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-10-07 15:19:05,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbf38dc9/c81805eda13b460aa5b57da04a1d07c7/FLAG4d9c76eb0 [2019-10-07 15:19:06,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbf38dc9/c81805eda13b460aa5b57da04a1d07c7 [2019-10-07 15:19:06,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:06,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:06,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:06,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:06,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:06,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:06" (1/1) ... [2019-10-07 15:19:06,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453c3fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06, skipping insertion in model container [2019-10-07 15:19:06,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:06" (1/1) ... [2019-10-07 15:19:06,100 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:06,166 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:06,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:06,637 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:06,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:06,747 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:06,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06 WrapperNode [2019-10-07 15:19:06,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:06,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:06,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:06,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:06,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06" (1/1) ... [2019-10-07 15:19:06,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06" (1/1) ... [2019-10-07 15:19:06,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06" (1/1) ... [2019-10-07 15:19:06,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06" (1/1) ... [2019-10-07 15:19:06,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06" (1/1) ... [2019-10-07 15:19:06,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06" (1/1) ... [2019-10-07 15:19:06,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06" (1/1) ... [2019-10-07 15:19:06,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:06,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:06,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:06,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:06,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06" (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 15:19:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:08,455 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:08,456 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:08,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:08 BoogieIcfgContainer [2019-10-07 15:19:08,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:08,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:08,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:08,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:08,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:06" (1/3) ... [2019-10-07 15:19:08,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164ddbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:08, skipping insertion in model container [2019-10-07 15:19:08,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:06" (2/3) ... [2019-10-07 15:19:08,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164ddbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:08, skipping insertion in model container [2019-10-07 15:19:08,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:08" (3/3) ... [2019-10-07 15:19:08,465 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2019-10-07 15:19:08,475 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:08,484 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:08,496 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:08,522 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:08,523 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:08,523 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:08,523 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:08,524 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:08,524 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:08,524 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:08,524 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-10-07 15:19:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:08,553 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:08,555 INFO L385 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] [2019-10-07 15:19:08,557 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:08,563 INFO L82 PathProgramCache]: Analyzing trace with hash 399573730, now seen corresponding path program 1 times [2019-10-07 15:19:08,572 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:08,573 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:08,573 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:08,573 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:08,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:08,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:08,905 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:08,906 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:08,907 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:08,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:08,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:08,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:08,929 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-10-07 15:19:08,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:08,999 INFO L93 Difference]: Finished difference Result 175 states and 210 transitions. [2019-10-07 15:19:09,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:09,002 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:09,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:09,020 INFO L225 Difference]: With dead ends: 175 [2019-10-07 15:19:09,020 INFO L226 Difference]: Without dead ends: 88 [2019-10-07 15:19:09,034 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 15:19:09,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-07 15:19:09,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-07 15:19:09,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-07 15:19:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2019-10-07 15:19:09,134 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 42 [2019-10-07 15:19:09,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:09,135 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2019-10-07 15:19:09,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:09,136 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2019-10-07 15:19:09,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:09,139 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:09,139 INFO L385 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] [2019-10-07 15:19:09,140 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:09,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:09,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1873916769, now seen corresponding path program 1 times [2019-10-07 15:19:09,142 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:09,142 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:09,142 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:09,142 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:09,298 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:09,298 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:09,298 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:09,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:09,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:09,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:09,302 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand 3 states. [2019-10-07 15:19:09,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:09,334 INFO L93 Difference]: Finished difference Result 133 states and 149 transitions. [2019-10-07 15:19:09,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:09,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:09,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:09,337 INFO L225 Difference]: With dead ends: 133 [2019-10-07 15:19:09,338 INFO L226 Difference]: Without dead ends: 80 [2019-10-07 15:19:09,339 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 15:19:09,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-10-07 15:19:09,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-10-07 15:19:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-07 15:19:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2019-10-07 15:19:09,359 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 43 [2019-10-07 15:19:09,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:09,359 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2019-10-07 15:19:09,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2019-10-07 15:19:09,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 15:19:09,369 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:09,370 INFO L385 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] [2019-10-07 15:19:09,370 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:09,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:09,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1085960155, now seen corresponding path program 1 times [2019-10-07 15:19:09,371 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:09,371 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:09,371 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:09,371 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:09,585 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:09,585 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:09,586 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:09,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:09,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:09,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:09,588 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand 7 states. [2019-10-07 15:19:09,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:09,906 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2019-10-07 15:19:09,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:09,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-07 15:19:09,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:09,909 INFO L225 Difference]: With dead ends: 138 [2019-10-07 15:19:09,909 INFO L226 Difference]: Without dead ends: 80 [2019-10-07 15:19:09,910 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:09,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-10-07 15:19:09,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-10-07 15:19:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-07 15:19:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-10-07 15:19:09,920 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 45 [2019-10-07 15:19:09,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:09,920 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2019-10-07 15:19:09,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2019-10-07 15:19:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:19:09,922 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:09,922 INFO L385 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] [2019-10-07 15:19:09,922 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:09,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:09,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1867114118, now seen corresponding path program 1 times [2019-10-07 15:19:09,923 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:09,923 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:09,923 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:09,923 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:09,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:10,084 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:10,084 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:10,084 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:10,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:10,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:10,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:10,086 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 10 states. [2019-10-07 15:19:10,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:10,608 INFO L93 Difference]: Finished difference Result 237 states and 274 transitions. [2019-10-07 15:19:10,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:10,609 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2019-10-07 15:19:10,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:10,612 INFO L225 Difference]: With dead ends: 237 [2019-10-07 15:19:10,612 INFO L226 Difference]: Without dead ends: 179 [2019-10-07 15:19:10,615 INFO L606 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 [2019-10-07 15:19:10,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-10-07 15:19:10,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2019-10-07 15:19:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-10-07 15:19:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 192 transitions. [2019-10-07 15:19:10,665 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 192 transitions. Word has length 53 [2019-10-07 15:19:10,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:10,667 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 192 transitions. [2019-10-07 15:19:10,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 192 transitions. [2019-10-07 15:19:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:19:10,669 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:10,670 INFO L385 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] [2019-10-07 15:19:10,670 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:10,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:10,671 INFO L82 PathProgramCache]: Analyzing trace with hash -321137137, now seen corresponding path program 1 times [2019-10-07 15:19:10,672 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:10,672 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:10,672 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:10,672 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:10,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:10,761 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:10,761 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:10,761 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:10,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:10,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:10,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:10,762 INFO L87 Difference]: Start difference. First operand 171 states and 192 transitions. Second operand 3 states. [2019-10-07 15:19:10,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:10,782 INFO L93 Difference]: Finished difference Result 278 states and 320 transitions. [2019-10-07 15:19:10,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:10,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-07 15:19:10,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:10,785 INFO L225 Difference]: With dead ends: 278 [2019-10-07 15:19:10,785 INFO L226 Difference]: Without dead ends: 129 [2019-10-07 15:19:10,790 INFO L606 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 [2019-10-07 15:19:10,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-07 15:19:10,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-07 15:19:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-07 15:19:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2019-10-07 15:19:10,815 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 56 [2019-10-07 15:19:10,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:10,816 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2019-10-07 15:19:10,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2019-10-07 15:19:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-07 15:19:10,817 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:10,820 INFO L385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:10,821 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:10,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:10,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1440712185, now seen corresponding path program 1 times [2019-10-07 15:19:10,822 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:10,822 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:10,822 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:10,822 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:10,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:19:11,130 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:11,130 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:11,130 INFO L95 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 [2019-10-07 15:19:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:11,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:11,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:19:11,434 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:11,582 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:19:11,582 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:11,583 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [15] total 20 [2019-10-07 15:19:11,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:11,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:11,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2019-10-07 15:19:11,586 INFO L87 Difference]: Start difference. First operand 129 states and 136 transitions. Second operand 7 states. [2019-10-07 15:19:11,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:11,768 INFO L93 Difference]: Finished difference Result 131 states and 138 transitions. [2019-10-07 15:19:11,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:11,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-07 15:19:11,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:11,770 INFO L225 Difference]: With dead ends: 131 [2019-10-07 15:19:11,770 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:11,771 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 177 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2019-10-07 15:19:11,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:11,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:11,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:11,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:11,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2019-10-07 15:19:11,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:11,773 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:11,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:11,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:11,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:11,980 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:11,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:12,837 INFO L443 ceAbstractionStarter]: For program point L606-2(lines 606 627) no Hoare annotation was computed. [2019-10-07 15:19:12,837 INFO L443 ceAbstractionStarter]: For program point L628(lines 605 629) no Hoare annotation was computed. [2019-10-07 15:19:12,838 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 581 636) no Hoare annotation was computed. [2019-10-07 15:19:12,838 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2019-10-07 15:19:12,838 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 581 636) no Hoare annotation was computed. [2019-10-07 15:19:12,838 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 673) no Hoare annotation was computed. [2019-10-07 15:19:12,838 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 637 696) no Hoare annotation was computed. [2019-10-07 15:19:12,838 INFO L443 ceAbstractionStarter]: For program point L663-2(lines 663 688) no Hoare annotation was computed. [2019-10-07 15:19:12,838 INFO L443 ceAbstractionStarter]: For program point L689(lines 662 690) no Hoare annotation was computed. [2019-10-07 15:19:12,838 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 637 696) no Hoare annotation was computed. [2019-10-07 15:19:12,838 INFO L443 ceAbstractionStarter]: For program point L682(line 682) no Hoare annotation was computed. [2019-10-07 15:19:12,839 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 637 696) no Hoare annotation was computed. [2019-10-07 15:19:12,839 INFO L443 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2019-10-07 15:19:12,839 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2019-10-07 15:19:12,839 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2019-10-07 15:19:12,839 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2019-10-07 15:19:12,839 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2019-10-07 15:19:12,839 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-07 15:19:12,839 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:12,840 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-07 15:19:12,840 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:19:12,840 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-07 15:19:12,840 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-07 15:19:12,840 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-07 15:19:12,840 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-07 15:19:12,840 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-07 15:19:12,840 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-07 15:19:12,840 INFO L439 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,840 INFO L439 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,841 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 166) no Hoare annotation was computed. [2019-10-07 15:19:12,841 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2019-10-07 15:19:12,841 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 149 171) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,841 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-07 15:19:12,841 INFO L439 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,841 INFO L439 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,842 INFO L439 ceAbstractionStarter]: At program point L155-1(line 155) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,842 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2019-10-07 15:19:12,842 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 104 127) no Hoare annotation was computed. [2019-10-07 15:19:12,842 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 104 127) no Hoare annotation was computed. [2019-10-07 15:19:12,842 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 104 127) no Hoare annotation was computed. [2019-10-07 15:19:12,842 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-10-07 15:19:12,842 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L116(line 116) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2019-10-07 15:19:12,843 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-07 15:19:12,844 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2019-10-07 15:19:12,844 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2019-10-07 15:19:12,844 INFO L446 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: true [2019-10-07 15:19:12,844 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-10-07 15:19:12,844 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2019-10-07 15:19:12,844 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2019-10-07 15:19:12,845 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-07 15:19:12,845 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-07 15:19:12,845 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 384 419) no Hoare annotation was computed. [2019-10-07 15:19:12,845 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 384 419) no Hoare annotation was computed. [2019-10-07 15:19:12,845 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2019-10-07 15:19:12,845 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2019-10-07 15:19:12,845 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 535 580) no Hoare annotation was computed. [2019-10-07 15:19:12,846 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 535 580) no Hoare annotation was computed. [2019-10-07 15:19:12,846 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 848 893) no Hoare annotation was computed. [2019-10-07 15:19:12,846 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 848 893) no Hoare annotation was computed. [2019-10-07 15:19:12,846 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 136 145) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,846 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2019-10-07 15:19:12,846 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2019-10-07 15:19:12,846 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-10-07 15:19:12,846 INFO L443 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2019-10-07 15:19:12,847 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 364 374) no Hoare annotation was computed. [2019-10-07 15:19:12,847 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 364 374) no Hoare annotation was computed. [2019-10-07 15:19:12,847 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2019-10-07 15:19:12,847 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2019-10-07 15:19:12,847 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2019-10-07 15:19:12,847 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:12,847 INFO L443 ceAbstractionStarter]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2019-10-07 15:19:12,847 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 323 347) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:12,847 INFO L439 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:12,847 INFO L439 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:12,848 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 339) no Hoare annotation was computed. [2019-10-07 15:19:12,848 INFO L439 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:12,848 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-07 15:19:12,848 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2019-10-07 15:19:12,848 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2019-10-07 15:19:12,848 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2019-10-07 15:19:12,848 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 217 280) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,848 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2019-10-07 15:19:12,848 INFO L439 ceAbstractionStarter]: At program point L273(lines 226 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,849 INFO L439 ceAbstractionStarter]: At program point L263-2(lines 257 268) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:12,849 INFO L443 ceAbstractionStarter]: For program point L228(lines 227 272) no Hoare annotation was computed. [2019-10-07 15:19:12,849 INFO L439 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:12,849 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 253) no Hoare annotation was computed. [2019-10-07 15:19:12,849 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2019-10-07 15:19:12,849 INFO L439 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:12,850 INFO L439 ceAbstractionStarter]: At program point L270(lines 227 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:12,850 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-10-07 15:19:12,850 INFO L443 ceAbstractionStarter]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2019-10-07 15:19:12,850 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2019-10-07 15:19:12,850 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 802 847) no Hoare annotation was computed. [2019-10-07 15:19:12,850 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 802 847) no Hoare annotation was computed. [2019-10-07 15:19:12,850 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2019-10-07 15:19:12,850 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2019-10-07 15:19:12,851 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 487 509) no Hoare annotation was computed. [2019-10-07 15:19:12,851 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 487 509) no Hoare annotation was computed. [2019-10-07 15:19:12,851 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 183 192) no Hoare annotation was computed. [2019-10-07 15:19:12,851 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 183 192) no Hoare annotation was computed. [2019-10-07 15:19:12,851 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 699 801) no Hoare annotation was computed. [2019-10-07 15:19:12,851 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-07 15:19:12,851 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-10-07 15:19:12,851 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 727) no Hoare annotation was computed. [2019-10-07 15:19:12,851 INFO L443 ceAbstractionStarter]: For program point L748-2(lines 748 768) no Hoare annotation was computed. [2019-10-07 15:19:12,852 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 699 801) no Hoare annotation was computed. [2019-10-07 15:19:12,852 INFO L443 ceAbstractionStarter]: For program point L769(lines 747 770) no Hoare annotation was computed. [2019-10-07 15:19:12,852 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 744) no Hoare annotation was computed. [2019-10-07 15:19:12,852 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 699 801) no Hoare annotation was computed. [2019-10-07 15:19:12,852 INFO L443 ceAbstractionStarter]: For program point L749(lines 748 768) no Hoare annotation was computed. [2019-10-07 15:19:12,852 INFO L443 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2019-10-07 15:19:12,852 INFO L443 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2019-10-07 15:19:12,852 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 786) no Hoare annotation was computed. [2019-10-07 15:19:12,852 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:12,853 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:12,853 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 348 355) no Hoare annotation was computed. [2019-10-07 15:19:12,853 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 348 355) no Hoare annotation was computed. [2019-10-07 15:19:12,853 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2019-10-07 15:19:12,853 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2019-10-07 15:19:12,853 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: true [2019-10-07 15:19:12,853 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2019-10-07 15:19:12,853 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:12,854 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:12,854 INFO L439 ceAbstractionStarter]: At program point L304(line 304) 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))))) [2019-10-07 15:19:12,854 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 291 314) 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))))) [2019-10-07 15:19:12,854 INFO L439 ceAbstractionStarter]: At program point L302(lines 302 308) 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))))) [2019-10-07 15:19:12,854 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2019-10-07 15:19:12,854 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:12,855 INFO L443 ceAbstractionStarter]: For program point L295(lines 294 313) no Hoare annotation was computed. [2019-10-07 15:19:12,855 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2019-10-07 15:19:12,855 INFO L446 ceAbstractionStarter]: At program point L96(lines 71 100) the Hoare annotation is: true [2019-10-07 15:19:12,855 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2019-10-07 15:19:12,855 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: true [2019-10-07 15:19:12,855 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:19:12,855 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-10-07 15:19:12,855 INFO L446 ceAbstractionStarter]: At program point L85-1(lines 85 89) the Hoare annotation is: true [2019-10-07 15:19:12,855 INFO L446 ceAbstractionStarter]: At program point L81-2(lines 81 95) the Hoare annotation is: true [2019-10-07 15:19:12,856 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-07 15:19:12,856 INFO L443 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2019-10-07 15:19:12,856 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 478 486) no Hoare annotation was computed. [2019-10-07 15:19:12,856 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 478 486) no Hoare annotation was computed. [2019-10-07 15:19:12,856 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2019-10-07 15:19:12,856 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2019-10-07 15:19:12,856 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2019-10-07 15:19:12,856 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2019-10-07 15:19:12,856 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:12,857 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:12,857 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:12,857 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:12,857 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2019-10-07 15:19:12,857 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 454 465) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:12,857 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2019-10-07 15:19:12,857 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2019-10-07 15:19:12,858 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-10-07 15:19:12,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:12 BoogieIcfgContainer [2019-10-07 15:19:12,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:12,876 INFO L168 Benchmark]: Toolchain (without parser) took 6787.84 ms. Allocated memory was 142.1 MB in the beginning and 306.7 MB in the end (delta: 164.6 MB). Free memory was 97.9 MB in the beginning and 156.6 MB in the end (delta: -58.7 MB). Peak memory consumption was 132.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:12,877 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 117.2 MB in the beginning and 117.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:12,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.26 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 97.7 MB in the beginning and 168.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:12,879 INFO L168 Benchmark]: Boogie Preprocessor took 84.13 ms. Allocated memory is still 199.8 MB. Free memory was 168.2 MB in the beginning and 163.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:12,880 INFO L168 Benchmark]: RCFGBuilder took 1624.13 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 163.8 MB in the beginning and 152.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:12,881 INFO L168 Benchmark]: TraceAbstraction took 4414.13 ms. Allocated memory was 226.5 MB in the beginning and 306.7 MB in the end (delta: 80.2 MB). Free memory was 150.5 MB in the beginning and 156.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 100.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:12,885 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 117.2 MB in the beginning and 117.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.26 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 97.7 MB in the beginning and 168.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.13 ms. Allocated memory is still 199.8 MB. Free memory was 168.2 MB in the beginning and 163.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1624.13 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 163.8 MB in the beginning and 152.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4414.13 ms. Allocated memory was 226.5 MB in the beginning and 306.7 MB in the end (delta: 80.2 MB). Free memory was 150.5 MB in the beginning and 156.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 100.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (0 == splverifierCounter && pumpRunning == 0) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 166 locations, 1 error locations. Result: SAFE, OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 507 SDtfs, 308 SDslu, 988 SDs, 0 SdLazy, 409 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 49 LocationsWithAnnotation, 260 PreInvPairs, 278 NumberOfFragments, 524 HoareAnnotationTreeSize, 260 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 804 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 60582 SizeOfPredicates, 2 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 66/81 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...