/usr/bin/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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 22:02:27,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 22:02:27,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 22:02:27,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 22:02:27,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 22:02:27,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 22:02:27,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 22:02:27,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 22:02:27,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 22:02:27,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 22:02:27,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 22:02:27,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 22:02:27,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 22:02:27,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 22:02:27,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 22:02:27,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 22:02:27,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 22:02:27,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 22:02:27,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 22:02:27,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 22:02:27,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 22:02:27,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 22:02:27,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 22:02:27,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 22:02:27,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 22:02:27,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 22:02:27,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 22:02:27,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 22:02:27,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 22:02:27,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 22:02:27,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 22:02:27,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 22:02:27,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 22:02:27,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 22:02:27,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 22:02:27,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 22:02:27,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 22:02:27,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 22:02:27,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 22:02:27,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 22:02:27,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 22:02:27,885 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 [2019-11-06 22:02:27,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 22:02:27,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 22:02:27,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 22:02:27,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 22:02:27,904 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 22:02:27,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 22:02:27,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 22:02:27,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 22:02:27,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 22:02:27,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 22:02:27,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 22:02:27,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 22:02:27,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 22:02:27,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 22:02:27,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 22:02:27,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 22:02:27,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 22:02:27,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 22:02:27,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 22:02:27,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 22:02:27,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 22:02:27,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:02:27,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 22:02:27,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 22:02:27,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 22:02:27,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 22:02:27,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 22:02:27,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 22:02:27,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 22:02:28,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 22:02:28,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 22:02:28,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 22:02:28,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 22:02:28,201 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 22:02:28,202 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-11-06 22:02:28,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65160541c/523b03ec533e4e82bcc265a3c3c3d2d6/FLAG43edad9c2 [2019-11-06 22:02:28,888 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 22:02:28,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-11-06 22:02:28,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65160541c/523b03ec533e4e82bcc265a3c3c3d2d6/FLAG43edad9c2 [2019-11-06 22:02:29,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65160541c/523b03ec533e4e82bcc265a3c3c3d2d6 [2019-11-06 22:02:29,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 22:02:29,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 22:02:29,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 22:02:29,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 22:02:29,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 22:02:29,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:29" (1/1) ... [2019-11-06 22:02:29,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cf8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29, skipping insertion in model container [2019-11-06 22:02:29,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:29" (1/1) ... [2019-11-06 22:02:29,169 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 22:02:29,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 22:02:29,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:02:29,685 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 22:02:29,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:02:29,812 INFO L192 MainTranslator]: Completed translation [2019-11-06 22:02:29,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29 WrapperNode [2019-11-06 22:02:29,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 22:02:29,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 22:02:29,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 22:02:29,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 22:02:29,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29" (1/1) ... [2019-11-06 22:02:29,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29" (1/1) ... [2019-11-06 22:02:29,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29" (1/1) ... [2019-11-06 22:02:29,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29" (1/1) ... [2019-11-06 22:02:29,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29" (1/1) ... [2019-11-06 22:02:29,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29" (1/1) ... [2019-11-06 22:02:29,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29" (1/1) ... [2019-11-06 22:02:29,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 22:02:29,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 22:02:29,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 22:02:29,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 22:02:29,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29" (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 [2019-11-06 22:02:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 22:02:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 22:02:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 22:02:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 22:02:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 22:02:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 22:02:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 22:02:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 22:02:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 22:02:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-06 22:02:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-06 22:02:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-06 22:02:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-06 22:02:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-06 22:02:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-06 22:02:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-06 22:02:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 22:02:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-06 22:02:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-06 22:02:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-06 22:02:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-06 22:02:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-06 22:02:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-06 22:02:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-06 22:02:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-06 22:02:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-06 22:02:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 22:02:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 22:02:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 22:02:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 22:02:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 22:02:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 22:02:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 22:02:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 22:02:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 22:02:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 22:02:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 22:02:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-06 22:02:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 22:02:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 22:02:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 22:02:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 22:02:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 22:02:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 22:02:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 22:02:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 22:02:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 22:02:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 22:02:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 22:02:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 22:02:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 22:02:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 22:02:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 22:02:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 22:02:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 22:02:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 22:02:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 22:02:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 22:02:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-06 22:02:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-06 22:02:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-06 22:02:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-06 22:02:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-06 22:02:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-06 22:02:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-06 22:02:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 22:02:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-06 22:02:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-06 22:02:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-06 22:02:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-06 22:02:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-06 22:02:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-06 22:02:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-06 22:02:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-06 22:02:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-06 22:02:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-06 22:02:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 22:02:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 22:02:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 22:02:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 22:02:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 22:02:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 22:02:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 22:02:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 22:02:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 22:02:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 22:02:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 22:02:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 22:02:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 22:02:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 22:02:31,187 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 22:02:31,188 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-06 22:02:31,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:31 BoogieIcfgContainer [2019-11-06 22:02:31,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 22:02:31,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 22:02:31,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 22:02:31,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 22:02:31,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:29" (1/3) ... [2019-11-06 22:02:31,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bd8a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:31, skipping insertion in model container [2019-11-06 22:02:31,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:29" (2/3) ... [2019-11-06 22:02:31,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bd8a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:31, skipping insertion in model container [2019-11-06 22:02:31,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:31" (3/3) ... [2019-11-06 22:02:31,197 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2019-11-06 22:02:31,206 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 22:02:31,214 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 22:02:31,225 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 22:02:31,251 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 22:02:31,251 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 22:02:31,251 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 22:02:31,251 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 22:02:31,252 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 22:02:31,252 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 22:02:31,252 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 22:02:31,252 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 22:02:31,274 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-11-06 22:02:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-06 22:02:31,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:31,285 INFO L410 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] [2019-11-06 22:02:31,287 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:31,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:31,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1827738968, now seen corresponding path program 1 times [2019-11-06 22:02:31,302 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:31,302 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789312258] [2019-11-06 22:02:31,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:31,939 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:32,022 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789312258] [2019-11-06 22:02:32,023 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:32,023 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 22:02:32,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044847096] [2019-11-06 22:02:32,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 22:02:32,029 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:32,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 22:02:32,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:02:32,046 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2019-11-06 22:02:33,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:33,080 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2019-11-06 22:02:33,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 22:02:33,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-11-06 22:02:33,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:33,104 INFO L225 Difference]: With dead ends: 261 [2019-11-06 22:02:33,104 INFO L226 Difference]: Without dead ends: 142 [2019-11-06 22:02:33,111 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:02:33,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-06 22:02:33,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2019-11-06 22:02:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-06 22:02:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2019-11-06 22:02:33,256 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2019-11-06 22:02:33,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:33,257 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2019-11-06 22:02:33,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 22:02:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2019-11-06 22:02:33,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-06 22:02:33,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:33,263 INFO L410 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] [2019-11-06 22:02:33,263 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:33,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:33,264 INFO L82 PathProgramCache]: Analyzing trace with hash 622240591, now seen corresponding path program 1 times [2019-11-06 22:02:33,264 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:33,264 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128844222] [2019-11-06 22:02:33,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:33,652 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:33,687 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128844222] [2019-11-06 22:02:33,687 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:33,687 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 22:02:33,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423615408] [2019-11-06 22:02:33,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 22:02:33,689 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:33,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 22:02:33,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 22:02:33,690 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2019-11-06 22:02:34,152 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:02:34,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:34,816 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2019-11-06 22:02:34,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 22:02:34,817 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-11-06 22:02:34,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:34,820 INFO L225 Difference]: With dead ends: 188 [2019-11-06 22:02:34,820 INFO L226 Difference]: Without dead ends: 126 [2019-11-06 22:02:34,821 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-06 22:02:34,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-06 22:02:34,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2019-11-06 22:02:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-06 22:02:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2019-11-06 22:02:34,853 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2019-11-06 22:02:34,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:34,854 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2019-11-06 22:02:34,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 22:02:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2019-11-06 22:02:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-06 22:02:34,856 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:34,856 INFO L410 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] [2019-11-06 22:02:34,856 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:34,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:34,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1297415431, now seen corresponding path program 1 times [2019-11-06 22:02:34,857 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:34,857 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989621118] [2019-11-06 22:02:34,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:35,200 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:35,317 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989621118] [2019-11-06 22:02:35,318 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:35,318 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 22:02:35,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430316003] [2019-11-06 22:02:35,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 22:02:35,319 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:35,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 22:02:35,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-06 22:02:35,320 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2019-11-06 22:02:35,797 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:36,177 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:36,476 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:36,749 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:37,605 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:02:39,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:39,109 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2019-11-06 22:02:39,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 22:02:39,111 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-06 22:02:39,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:39,115 INFO L225 Difference]: With dead ends: 351 [2019-11-06 22:02:39,115 INFO L226 Difference]: Without dead ends: 274 [2019-11-06 22:02:39,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-11-06 22:02:39,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-11-06 22:02:39,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2019-11-06 22:02:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-11-06 22:02:39,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2019-11-06 22:02:39,183 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2019-11-06 22:02:39,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:39,183 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2019-11-06 22:02:39,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 22:02:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2019-11-06 22:02:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-06 22:02:39,186 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:39,186 INFO L410 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] [2019-11-06 22:02:39,186 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:39,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:39,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1649615923, now seen corresponding path program 1 times [2019-11-06 22:02:39,187 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:39,187 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75202304] [2019-11-06 22:02:39,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:39,561 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:39,682 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75202304] [2019-11-06 22:02:39,683 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:39,683 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 22:02:39,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859940183] [2019-11-06 22:02:39,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 22:02:39,684 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:39,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 22:02:39,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-11-06 22:02:39,685 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 12 states. [2019-11-06 22:02:40,239 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:40,655 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:40,948 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:41,222 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:41,888 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:02:42,848 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:43,299 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:43,631 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:43,895 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-11-06 22:02:44,169 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:44,499 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:44,866 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:45,187 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:46,468 INFO L93 Difference]: Finished difference Result 871 states and 1174 transitions. [2019-11-06 22:02:46,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-06 22:02:46,469 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-11-06 22:02:46,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:46,477 INFO L225 Difference]: With dead ends: 871 [2019-11-06 22:02:46,477 INFO L226 Difference]: Without dead ends: 675 [2019-11-06 22:02:46,480 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-11-06 22:02:46,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2019-11-06 22:02:46,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 582. [2019-11-06 22:02:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-11-06 22:02:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 724 transitions. [2019-11-06 22:02:46,611 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 724 transitions. Word has length 57 [2019-11-06 22:02:46,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:46,612 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 724 transitions. [2019-11-06 22:02:46,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 22:02:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 724 transitions. [2019-11-06 22:02:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-06 22:02:46,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:46,616 INFO L410 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, 1, 1, 1, 1] [2019-11-06 22:02:46,616 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:46,617 INFO L82 PathProgramCache]: Analyzing trace with hash 671694067, now seen corresponding path program 1 times [2019-11-06 22:02:46,617 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:46,617 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70246454] [2019-11-06 22:02:46,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,896 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:46,963 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70246454] [2019-11-06 22:02:46,963 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:46,964 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 22:02:46,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996695823] [2019-11-06 22:02:46,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 22:02:46,965 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:46,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 22:02:46,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 22:02:46,965 INFO L87 Difference]: Start difference. First operand 582 states and 724 transitions. Second operand 6 states. [2019-11-06 22:02:47,338 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:48,095 INFO L93 Difference]: Finished difference Result 973 states and 1255 transitions. [2019-11-06 22:02:48,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 22:02:48,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-11-06 22:02:48,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:48,101 INFO L225 Difference]: With dead ends: 973 [2019-11-06 22:02:48,101 INFO L226 Difference]: Without dead ends: 415 [2019-11-06 22:02:48,103 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-06 22:02:48,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-11-06 22:02:48,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2019-11-06 22:02:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-11-06 22:02:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2019-11-06 22:02:48,175 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2019-11-06 22:02:48,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:48,176 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2019-11-06 22:02:48,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 22:02:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2019-11-06 22:02:48,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-06 22:02:48,178 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:48,179 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:02:48,179 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:48,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:48,179 INFO L82 PathProgramCache]: Analyzing trace with hash -511342643, now seen corresponding path program 1 times [2019-11-06 22:02:48,180 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:48,180 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444376362] [2019-11-06 22:02:48,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,474 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 22:02:48,591 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444376362] [2019-11-06 22:02:48,591 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502398211] [2019-11-06 22:02:48,591 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 [2019-11-06 22:02:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:48,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-06 22:02:48,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 22:02:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 22:02:49,056 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 22:02:49,057 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-11-06 22:02:49,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402035666] [2019-11-06 22:02:49,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-06 22:02:49,058 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:49,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-06 22:02:49,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-11-06 22:02:49,060 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 15 states. [2019-11-06 22:02:49,778 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:50,499 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:51,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:51,624 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2019-11-06 22:02:51,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 22:02:51,625 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 88 [2019-11-06 22:02:51,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:51,625 INFO L225 Difference]: With dead ends: 522 [2019-11-06 22:02:51,626 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 22:02:51,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-11-06 22:02:51,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 22:02:51,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 22:02:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 22:02:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 22:02:51,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-11-06 22:02:51,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:51,629 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 22:02:51,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-06 22:02:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 22:02:51,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 22:02:51,830 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 22:02:51,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 22:02:52,491 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 207 [2019-11-06 22:02:53,300 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 205 [2019-11-06 22:02:54,601 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-11-06 22:02:55,059 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-11-06 22:02:55,211 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-11-06 22:02:55,383 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-06 22:02:55,554 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-11-06 22:02:55,713 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-06 22:02:56,111 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:56,644 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-11-06 22:02:56,815 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-11-06 22:02:57,285 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-11-06 22:02:57,496 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-11-06 22:02:57,653 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-11-06 22:02:58,129 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-11-06 22:02:58,293 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-11-06 22:02:58,400 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2019-11-06 22:02:58,923 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-11-06 22:02:59,072 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-11-06 22:02:59,183 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 23 [2019-11-06 22:02:59,389 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-11-06 22:02:59,562 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-11-06 22:02:59,745 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-11-06 22:03:00,301 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-11-06 22:03:00,403 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2019-11-06 22:03:00,873 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-11-06 22:03:00,910 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-11-06 22:03:00,910 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-11-06 22:03:00,910 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-06 22:03:00,910 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-11-06 22:03:00,910 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-11-06 22:03:00,911 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-11-06 22:03:00,912 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 870 876) the Hoare annotation is: true [2019-11-06 22:03:00,912 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 870 876) no Hoare annotation was computed. [2019-11-06 22:03:00,912 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 877 885) no Hoare annotation was computed. [2019-11-06 22:03:00,912 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 877 885) the Hoare annotation is: true [2019-11-06 22:03:00,912 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 877 885) no Hoare annotation was computed. [2019-11-06 22:03:00,912 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-11-06 22:03:00,913 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-11-06 22:03:00,913 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 908) no Hoare annotation was computed. [2019-11-06 22:03:00,913 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 887 911) the Hoare annotation is: true [2019-11-06 22:03:00,913 INFO L443 ceAbstractionStarter]: For program point L895-1(lines 887 911) no Hoare annotation was computed. [2019-11-06 22:03:00,913 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-11-06 22:03:00,913 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-11-06 22:03:00,913 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 887 911) no Hoare annotation was computed. [2019-11-06 22:03:00,913 INFO L439 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-11-06 22:03:00,914 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-11-06 22:03:00,914 INFO L439 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:03:00,914 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:03:00,914 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2019-11-06 22:03:00,914 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2019-11-06 22:03:00,914 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-11-06 22:03:00,914 INFO L439 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-11-06 22:03:00,915 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2019-11-06 22:03:00,915 INFO L443 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2019-11-06 22:03:00,915 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-11-06 22:03:00,915 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:03:00,915 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:03:00,915 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 784 807) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 784 807) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 784 807) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-11-06 22:03:00,916 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-11-06 22:03:00,917 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-11-06 22:03:00,917 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-11-06 22:03:00,917 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-11-06 22:03:00,917 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-11-06 22:03:00,917 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-11-06 22:03:00,917 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-11-06 22:03:00,917 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2019-11-06 22:03:00,917 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-11-06 22:03:00,917 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-11-06 22:03:00,918 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (or .cse1 (not (= ~waterLevel~0 1))) .cse0))) [2019-11-06 22:03:00,918 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2019-11-06 22:03:00,918 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2019-11-06 22:03:00,918 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2019-11-06 22:03:00,918 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2019-11-06 22:03:00,918 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-11-06 22:03:00,918 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2019-11-06 22:03:00,918 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-11-06 22:03:00,919 INFO L443 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-11-06 22:03:00,919 INFO L443 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2019-11-06 22:03:00,919 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2019-11-06 22:03:00,919 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2019-11-06 22:03:00,919 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-11-06 22:03:00,919 INFO L443 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2019-11-06 22:03:00,919 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 632) no Hoare annotation was computed. [2019-11-06 22:03:00,919 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 620) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 863 869) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 863 869) the Hoare annotation is: true [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-11-06 22:03:00,920 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 815 824) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 815 824) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 815 824) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-11-06 22:03:00,921 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2019-11-06 22:03:00,922 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2019-11-06 22:03:00,922 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2019-11-06 22:03:00,922 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2019-11-06 22:03:00,922 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2019-11-06 22:03:00,922 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 544 568) no Hoare annotation was computed. [2019-11-06 22:03:00,922 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 544 568) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-11-06 22:03:00,922 INFO L439 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-11-06 22:03:00,922 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 544 568) no Hoare annotation was computed. [2019-11-06 22:03:00,922 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:03:00,922 INFO L439 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:03:00,922 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 560) no Hoare annotation was computed. [2019-11-06 22:03:00,923 INFO L439 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:03:00,923 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-11-06 22:03:00,923 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 565) no Hoare annotation was computed. [2019-11-06 22:03:00,923 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 536 542) no Hoare annotation was computed. [2019-11-06 22:03:00,923 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 536 542) the Hoare annotation is: true [2019-11-06 22:03:00,923 INFO L443 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2019-11-06 22:03:00,923 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 686 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:03:00,923 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 702) no Hoare annotation was computed. [2019-11-06 22:03:00,923 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 686 751) no Hoare annotation was computed. [2019-11-06 22:03:00,923 INFO L439 ceAbstractionStarter]: At program point L744(lines 695 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:03:00,923 INFO L439 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:03:00,923 INFO L443 ceAbstractionStarter]: For program point L732(lines 732 738) no Hoare annotation was computed. [2019-11-06 22:03:00,924 INFO L439 ceAbstractionStarter]: At program point L732-1(lines 726 739) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-06 22:03:00,924 INFO L443 ceAbstractionStarter]: For program point L697(lines 696 743) no Hoare annotation was computed. [2019-11-06 22:03:00,924 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 739) no Hoare annotation was computed. [2019-11-06 22:03:00,924 INFO L439 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-06 22:03:00,924 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-11-06 22:03:00,924 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2019-11-06 22:03:00,924 INFO L439 ceAbstractionStarter]: At program point L741(lines 696 743) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-06 22:03:00,924 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:03:00,924 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 686 751) no Hoare annotation was computed. [2019-11-06 22:03:00,924 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-11-06 22:03:00,924 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2019-11-06 22:03:00,925 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2019-11-06 22:03:00,926 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 476) no Hoare annotation was computed. [2019-11-06 22:03:00,926 INFO L443 ceAbstractionStarter]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2019-11-06 22:03:00,926 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-11-06 22:03:00,926 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-11-06 22:03:00,926 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-11-06 22:03:00,926 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-11-06 22:03:00,926 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-06 22:03:00,926 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-11-06 22:03:00,926 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-11-06 22:03:00,927 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-11-06 22:03:00,927 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-11-06 22:03:00,927 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-11-06 22:03:00,927 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-11-06 22:03:00,927 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-11-06 22:03:00,927 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-11-06 22:03:00,927 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-11-06 22:03:00,928 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-11-06 22:03:00,928 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-11-06 22:03:00,928 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 853 862) no Hoare annotation was computed. [2019-11-06 22:03:00,928 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 853 862) no Hoare annotation was computed. [2019-11-06 22:03:00,928 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 853 862) no Hoare annotation was computed. [2019-11-06 22:03:00,928 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:03:00,928 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2019-11-06 22:03:00,929 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:03:00,929 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 569 576) no Hoare annotation was computed. [2019-11-06 22:03:00,929 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 569 576) no Hoare annotation was computed. [2019-11-06 22:03:00,929 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 569 576) no Hoare annotation was computed. [2019-11-06 22:03:00,929 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2019-11-06 22:03:00,929 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2019-11-06 22:03:00,929 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2019-11-06 22:03:00,929 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:03:00,929 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-06 22:03:00,930 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:03:00,930 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-11-06 22:03:00,930 INFO L443 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2019-11-06 22:03:00,930 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2019-11-06 22:03:00,930 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 451 459) no Hoare annotation was computed. [2019-11-06 22:03:00,930 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2019-11-06 22:03:00,930 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2019-11-06 22:03:00,930 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 512 535) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1))))) [2019-11-06 22:03:00,931 INFO L439 ceAbstractionStarter]: At program point L525(line 525) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2)))) [2019-11-06 22:03:00,931 INFO L439 ceAbstractionStarter]: At program point L523(lines 523 529) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1))))) [2019-11-06 22:03:00,931 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 512 535) no Hoare annotation was computed. [2019-11-06 22:03:00,931 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 512 535) no Hoare annotation was computed. [2019-11-06 22:03:00,931 INFO L439 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-11-06 22:03:00,931 INFO L443 ceAbstractionStarter]: For program point L516(lines 515 534) no Hoare annotation was computed. [2019-11-06 22:03:00,931 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 772) no Hoare annotation was computed. [2019-11-06 22:03:00,932 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 754 783) no Hoare annotation was computed. [2019-11-06 22:03:00,932 INFO L446 ceAbstractionStarter]: At program point L768-1(lines 768 772) the Hoare annotation is: true [2019-11-06 22:03:00,932 INFO L443 ceAbstractionStarter]: For program point L765(line 765) no Hoare annotation was computed. [2019-11-06 22:03:00,932 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 754 783) the Hoare annotation is: true [2019-11-06 22:03:00,932 INFO L446 ceAbstractionStarter]: At program point L764-2(lines 764 778) the Hoare annotation is: true [2019-11-06 22:03:00,932 INFO L446 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2019-11-06 22:03:00,932 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-11-06 22:03:00,932 INFO L446 ceAbstractionStarter]: At program point L779(lines 754 783) the Hoare annotation is: true [2019-11-06 22:03:00,933 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-11-06 22:03:00,933 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2019-11-06 22:03:00,933 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2019-11-06 22:03:00,933 INFO L443 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2019-11-06 22:03:00,933 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 808 814) no Hoare annotation was computed. [2019-11-06 22:03:00,933 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 808 814) the Hoare annotation is: true [2019-11-06 22:03:00,933 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:03:00,933 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-06 22:03:00,933 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 22:03:00,934 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:03:00,934 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2019-11-06 22:03:00,934 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2019-11-06 22:03:00,934 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-11-06 22:03:00,934 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 676 683) no Hoare annotation was computed. [2019-11-06 22:03:00,934 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2019-11-06 22:03:00,934 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 676 683) the Hoare annotation is: true [2019-11-06 22:03:00,934 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 676 683) no Hoare annotation was computed. [2019-11-06 22:03:00,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:03:00 BoogieIcfgContainer [2019-11-06 22:03:00,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 22:03:00,951 INFO L168 Benchmark]: Toolchain (without parser) took 31798.51 ms. Allocated memory was 146.3 MB in the beginning and 611.3 MB in the end (delta: 465.0 MB). Free memory was 102.9 MB in the beginning and 559.0 MB in the end (delta: -456.0 MB). Peak memory consumption was 459.2 MB. Max. memory is 7.1 GB. [2019-11-06 22:03:00,952 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-06 22:03:00,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.78 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.7 MB in the beginning and 172.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-11-06 22:03:00,954 INFO L168 Benchmark]: Boogie Preprocessor took 114.19 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 167.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-11-06 22:03:00,955 INFO L168 Benchmark]: RCFGBuilder took 1260.87 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.5 MB in the beginning and 194.7 MB in the end (delta: -27.2 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-11-06 22:03:00,956 INFO L168 Benchmark]: TraceAbstraction took 29759.24 ms. Allocated memory was 234.4 MB in the beginning and 611.3 MB in the end (delta: 377.0 MB). Free memory was 194.7 MB in the beginning and 559.0 MB in the end (delta: -364.3 MB). Peak memory consumption was 462.8 MB. Max. memory is 7.1 GB. [2019-11-06 22:03:00,960 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.78 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.7 MB in the beginning and 172.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.19 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 167.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1260.87 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.5 MB in the beginning and 194.7 MB in the end (delta: -27.2 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29759.24 ms. Allocated memory was 234.4 MB in the beginning and 611.3 MB in the end (delta: 377.0 MB). Free memory was 194.7 MB in the beginning and 559.0 MB in the end (delta: -364.3 MB). Peak memory consumption was 462.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Result: SAFE, OverallTime: 29.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, HoareTripleCheckerStatistics: 568 SDtfs, 1188 SDslu, 637 SDs, 0 SdLazy, 3158 SolverSat, 784 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1002 HoareAnnotationTreeSize, 618 FomulaSimplifications, 66401 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 18195 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 125709 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 43/46 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...