/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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 22:01:46,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 22:01:46,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 22:01:46,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 22:01:46,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 22:01:46,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 22:01:46,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 22:01:46,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 22:01:46,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 22:01:46,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 22:01:46,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 22:01:46,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 22:01:46,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 22:01:46,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 22:01:46,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 22:01:46,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 22:01:46,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 22:01:46,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 22:01:46,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 22:01:46,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 22:01:46,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 22:01:46,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 22:01:46,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 22:01:46,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 22:01:46,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 22:01:46,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 22:01:46,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 22:01:46,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 22:01:46,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 22:01:46,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 22:01:46,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 22:01:46,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 22:01:46,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 22:01:46,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 22:01:46,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 22:01:46,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 22:01:46,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 22:01:46,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 22:01:46,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 22:01:46,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 22:01:46,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 22:01:46,960 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 22:01:46,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 22:01:46,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 22:01:46,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 22:01:46,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 22:01:46,984 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 22:01:46,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 22:01:46,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 22:01:46,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 22:01:46,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 22:01:46,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 22:01:46,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 22:01:46,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 22:01:46,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 22:01:46,987 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 22:01:46,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 22:01:46,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 22:01:46,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 22:01:46,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 22:01:46,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 22:01:46,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 22:01:46,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 22:01:46,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:01:46,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 22:01:46,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 22:01:46,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 22:01:46,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 22:01:46,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 22:01:46,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 22:01:46,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 22:01:47,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 22:01:47,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 22:01:47,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 22:01:47,281 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 22:01:47,282 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 22:01:47,282 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2019-11-06 22:01:47,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263eb2957/d97c50f8527d4857a9533cbcea0fab13/FLAG9257cc49c [2019-11-06 22:01:47,782 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 22:01:47,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2019-11-06 22:01:47,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263eb2957/d97c50f8527d4857a9533cbcea0fab13/FLAG9257cc49c [2019-11-06 22:01:48,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263eb2957/d97c50f8527d4857a9533cbcea0fab13 [2019-11-06 22:01:48,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 22:01:48,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 22:01:48,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 22:01:48,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 22:01:48,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 22:01:48,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:48" (1/1) ... [2019-11-06 22:01:48,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25bf64b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48, skipping insertion in model container [2019-11-06 22:01:48,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:48" (1/1) ... [2019-11-06 22:01:48,124 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 22:01:48,173 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 22:01:48,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:01:48,574 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 22:01:48,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:01:48,685 INFO L192 MainTranslator]: Completed translation [2019-11-06 22:01:48,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48 WrapperNode [2019-11-06 22:01:48,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 22:01:48,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 22:01:48,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 22:01:48,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 22:01:48,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48" (1/1) ... [2019-11-06 22:01:48,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48" (1/1) ... [2019-11-06 22:01:48,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48" (1/1) ... [2019-11-06 22:01:48,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48" (1/1) ... [2019-11-06 22:01:48,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48" (1/1) ... [2019-11-06 22:01:48,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48" (1/1) ... [2019-11-06 22:01:48,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48" (1/1) ... [2019-11-06 22:01:48,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 22:01:48,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 22:01:48,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 22:01:48,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 22:01:48,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48" (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 22:01:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 22:01:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 22:01:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 22:01:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-06 22:01:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 22:01:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 22:01:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 22:01:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 22:01:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 22:01:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 22:01:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 22:01:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 22:01:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 22:01:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 22:01:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 22:01:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 22:01:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 22:01:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-06 22:01:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-06 22:01:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-06 22:01:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-06 22:01:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-06 22:01:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-06 22:01:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-06 22:01:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-06 22:01:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 22:01:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-06 22:01:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-06 22:01:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-06 22:01:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-06 22:01:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-06 22:01:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-06 22:01:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 22:01:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 22:01:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 22:01:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 22:01:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 22:01:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 22:01:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 22:01:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 22:01:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-06 22:01:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-06 22:01:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-06 22:01:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 22:01:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 22:01:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 22:01:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 22:01:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 22:01:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 22:01:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 22:01:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 22:01:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 22:01:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 22:01:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 22:01:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 22:01:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 22:01:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 22:01:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 22:01:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 22:01:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 22:01:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 22:01:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 22:01:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-06 22:01:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-06 22:01:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-06 22:01:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 22:01:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 22:01:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 22:01:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 22:01:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 22:01:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 22:01:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 22:01:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 22:01:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-06 22:01:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-06 22:01:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-06 22:01:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-06 22:01:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-06 22:01:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-06 22:01:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-06 22:01:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-06 22:01:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-06 22:01:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 22:01:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 22:01:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 22:01:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 22:01:50,074 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 22:01:50,074 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-06 22:01:50,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:50 BoogieIcfgContainer [2019-11-06 22:01:50,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 22:01:50,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 22:01:50,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 22:01:50,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 22:01:50,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:01:48" (1/3) ... [2019-11-06 22:01:50,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c44224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:50, skipping insertion in model container [2019-11-06 22:01:50,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:48" (2/3) ... [2019-11-06 22:01:50,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c44224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:50, skipping insertion in model container [2019-11-06 22:01:50,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:50" (3/3) ... [2019-11-06 22:01:50,085 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2019-11-06 22:01:50,096 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 22:01:50,105 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 22:01:50,117 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 22:01:50,143 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 22:01:50,143 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 22:01:50,143 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 22:01:50,143 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 22:01:50,144 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 22:01:50,144 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 22:01:50,144 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 22:01:50,144 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 22:01:50,169 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-11-06 22:01:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-06 22:01:50,181 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:01:50,182 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 22:01:50,186 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:01:50,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:01:50,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1687671781, now seen corresponding path program 1 times [2019-11-06 22:01:50,202 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:01:50,203 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227169404] [2019-11-06 22:01:50,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:01:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:50,922 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:01:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:51,022 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 22:01:51,023 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227169404] [2019-11-06 22:01:51,025 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:01:51,025 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 22:01:51,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272596932] [2019-11-06 22:01:51,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 22:01:51,033 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:01:51,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 22:01:51,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:01:51,050 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2019-11-06 22:01:51,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:01:51,925 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2019-11-06 22:01:51,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 22:01:51,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-11-06 22:01:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:01:51,942 INFO L225 Difference]: With dead ends: 208 [2019-11-06 22:01:51,942 INFO L226 Difference]: Without dead ends: 114 [2019-11-06 22:01:51,946 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:01:51,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-06 22:01:52,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2019-11-06 22:01:52,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-06 22:01:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2019-11-06 22:01:52,022 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2019-11-06 22:01:52,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:01:52,023 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2019-11-06 22:01:52,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 22:01:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2019-11-06 22:01:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-06 22:01:52,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:01:52,027 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 22:01:52,027 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:01:52,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:01:52,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1046203216, now seen corresponding path program 1 times [2019-11-06 22:01:52,028 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:01:52,028 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691345696] [2019-11-06 22:01:52,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:01:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:52,353 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:01:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:52,399 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 22:01:52,400 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691345696] [2019-11-06 22:01:52,400 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:01:52,400 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 22:01:52,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548900097] [2019-11-06 22:01:52,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 22:01:52,403 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:01:52,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 22:01:52,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 22:01:52,403 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2019-11-06 22:01:52,866 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:01:53,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:01:53,342 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2019-11-06 22:01:53,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 22:01:53,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-11-06 22:01:53,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:01:53,345 INFO L225 Difference]: With dead ends: 137 [2019-11-06 22:01:53,345 INFO L226 Difference]: Without dead ends: 98 [2019-11-06 22:01:53,346 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 22:01:53,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-06 22:01:53,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2019-11-06 22:01:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-06 22:01:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2019-11-06 22:01:53,379 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2019-11-06 22:01:53,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:01:53,379 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2019-11-06 22:01:53,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 22:01:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2019-11-06 22:01:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-06 22:01:53,381 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:01:53,382 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] [2019-11-06 22:01:53,382 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:01:53,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:01:53,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1948536442, now seen corresponding path program 1 times [2019-11-06 22:01:53,383 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:01:53,383 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322174747] [2019-11-06 22:01:53,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:01:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:53,846 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:01:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:53,964 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 22:01:53,964 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322174747] [2019-11-06 22:01:53,964 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:01:53,965 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 22:01:53,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234450627] [2019-11-06 22:01:53,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 22:01:53,967 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:01:53,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 22:01:53,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-06 22:01:53,969 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2019-11-06 22:01:54,539 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:01:54,957 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:01:55,286 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:01:55,536 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:01:56,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:01:56,289 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2019-11-06 22:01:56,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 22:01:56,290 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-11-06 22:01:56,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:01:56,292 INFO L225 Difference]: With dead ends: 150 [2019-11-06 22:01:56,293 INFO L226 Difference]: Without dead ends: 98 [2019-11-06 22:01:56,294 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-06 22:01:56,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-06 22:01:56,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2019-11-06 22:01:56,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-06 22:01:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-11-06 22:01:56,319 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2019-11-06 22:01:56,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:01:56,319 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-11-06 22:01:56,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 22:01:56,319 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-11-06 22:01:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-06 22:01:56,321 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:01:56,321 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] [2019-11-06 22:01:56,321 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:01:56,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:01:56,322 INFO L82 PathProgramCache]: Analyzing trace with hash -952018290, now seen corresponding path program 1 times [2019-11-06 22:01:56,322 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:01:56,322 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601897153] [2019-11-06 22:01:56,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:01:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:56,700 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:01:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:01:56,769 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 22:01:56,769 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601897153] [2019-11-06 22:01:56,770 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:01:56,770 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 22:01:56,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731563060] [2019-11-06 22:01:56,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 22:01:56,771 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:01:56,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 22:01:56,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-11-06 22:01:56,772 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 11 states. [2019-11-06 22:01:57,241 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:01:57,599 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:01:57,897 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:01:58,189 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:01:58,817 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:01:59,459 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:01:59,758 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:00,086 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:00,358 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-11-06 22:02:00,628 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:00,928 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:01,222 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:01,505 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:02,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:02,062 INFO L93 Difference]: Finished difference Result 234 states and 296 transitions. [2019-11-06 22:02:02,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-06 22:02:02,063 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2019-11-06 22:02:02,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:02,067 INFO L225 Difference]: With dead ends: 234 [2019-11-06 22:02:02,067 INFO L226 Difference]: Without dead ends: 182 [2019-11-06 22:02:02,069 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2019-11-06 22:02:02,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-11-06 22:02:02,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 165. [2019-11-06 22:02:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-11-06 22:02:02,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 193 transitions. [2019-11-06 22:02:02,113 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 193 transitions. Word has length 55 [2019-11-06 22:02:02,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:02,113 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 193 transitions. [2019-11-06 22:02:02,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 22:02:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions. [2019-11-06 22:02:02,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-06 22:02:02,115 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:02,116 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] [2019-11-06 22:02:02,116 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:02,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:02,116 INFO L82 PathProgramCache]: Analyzing trace with hash -939297624, now seen corresponding path program 1 times [2019-11-06 22:02:02,116 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:02,117 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588718196] [2019-11-06 22:02:02,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,420 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:02,476 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 22:02:02,476 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588718196] [2019-11-06 22:02:02,476 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:02,476 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 22:02:02,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331732431] [2019-11-06 22:02:02,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 22:02:02,478 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:02,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 22:02:02,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 22:02:02,479 INFO L87 Difference]: Start difference. First operand 165 states and 193 transitions. Second operand 5 states. [2019-11-06 22:02:02,782 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:03,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:03,262 INFO L93 Difference]: Finished difference Result 263 states and 318 transitions. [2019-11-06 22:02:03,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 22:02:03,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-11-06 22:02:03,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:03,266 INFO L225 Difference]: With dead ends: 263 [2019-11-06 22:02:03,266 INFO L226 Difference]: Without dead ends: 161 [2019-11-06 22:02:03,267 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 22:02:03,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-11-06 22:02:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 148. [2019-11-06 22:02:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-06 22:02:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2019-11-06 22:02:03,301 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 59 [2019-11-06 22:02:03,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:03,301 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2019-11-06 22:02:03,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 22:02:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2019-11-06 22:02:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-06 22:02:03,303 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:03,304 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, 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] [2019-11-06 22:02:03,304 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:03,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:03,305 INFO L82 PathProgramCache]: Analyzing trace with hash 147904096, now seen corresponding path program 1 times [2019-11-06 22:02:03,305 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:03,305 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332325322] [2019-11-06 22:02:03,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,661 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-06 22:02:03,805 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332325322] [2019-11-06 22:02:03,805 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212878467] [2019-11-06 22:02:03,806 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 22:02:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:04,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-06 22:02:04,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 22:02:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 22:02:04,168 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 22:02:04,168 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-11-06 22:02:04,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661902244] [2019-11-06 22:02:04,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 22:02:04,169 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:04,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 22:02:04,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-06 22:02:04,170 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand 13 states. [2019-11-06 22:02:04,931 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:05,791 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:06,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:06,528 INFO L93 Difference]: Finished difference Result 200 states and 232 transitions. [2019-11-06 22:02:06,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 22:02:06,529 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 90 [2019-11-06 22:02:06,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:06,530 INFO L225 Difference]: With dead ends: 200 [2019-11-06 22:02:06,530 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 22:02:06,532 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2019-11-06 22:02:06,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 22:02:06,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 22:02:06,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 22:02:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 22:02:06,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2019-11-06 22:02:06,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:06,533 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 22:02:06,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-06 22:02:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 22:02:06,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 22:02:06,734 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 22:02:06,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 22:02:08,034 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:08,208 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:08,361 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:08,543 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-11-06 22:02:08,710 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:09,185 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-11-06 22:02:09,333 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:09,787 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-11-06 22:02:10,230 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-11-06 22:02:10,493 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:10,658 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-11-06 22:02:10,827 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-11-06 22:02:11,289 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-11-06 22:02:11,445 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-11-06 22:02:11,889 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-11-06 22:02:12,050 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-11-06 22:02:12,274 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:12,702 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-11-06 22:02:12,848 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-11-06 22:02:12,977 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 156) no Hoare annotation was computed. [2019-11-06 22:02:12,977 INFO L443 ceAbstractionStarter]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2019-11-06 22:02:12,978 INFO L443 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2019-11-06 22:02:12,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2019-11-06 22:02:12,978 INFO L443 ceAbstractionStarter]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2019-11-06 22:02:12,978 INFO L443 ceAbstractionStarter]: For program point L168(lines 145 169) no Hoare annotation was computed. [2019-11-06 22:02:12,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2019-11-06 22:02:12,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2019-11-06 22:02:12,978 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-11-06 22:02:12,978 INFO L443 ceAbstractionStarter]: For program point L222-1(line 222) no Hoare annotation was computed. [2019-11-06 22:02:12,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2019-11-06 22:02:12,979 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 213) no Hoare annotation was computed. [2019-11-06 22:02:12,979 INFO L443 ceAbstractionStarter]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2019-11-06 22:02:12,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2019-11-06 22:02:12,979 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-11-06 22:02:12,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2019-11-06 22:02:12,979 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2019-11-06 22:02:12,979 INFO L443 ceAbstractionStarter]: For program point L229(lines 202 230) no Hoare annotation was computed. [2019-11-06 22:02:12,979 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2019-11-06 22:02:12,980 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2019-11-06 22:02:12,980 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2019-11-06 22:02:12,980 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2019-11-06 22:02:12,980 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2019-11-06 22:02:12,980 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-11-06 22:02:12,980 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:02:12,980 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-11-06 22:02:12,981 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:02:12,981 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-11-06 22:02:12,981 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-11-06 22:02:12,981 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-11-06 22:02:12,981 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-11-06 22:02:12,981 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-11-06 22:02:12,981 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-11-06 22:02:12,981 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 524 546) the Hoare annotation is: (or (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:12,982 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 524 546) no Hoare annotation was computed. [2019-11-06 22:02:12,982 INFO L439 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:12,982 INFO L439 ceAbstractionStarter]: At program point L536-1(line 536) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= main_~tmp~4 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:12,982 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 541) no Hoare annotation was computed. [2019-11-06 22:02:12,982 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 534 541) no Hoare annotation was computed. [2019-11-06 22:02:12,982 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-06 22:02:12,983 INFO L439 ceAbstractionStarter]: At program point L531(line 531) the Hoare annotation is: (or (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:12,983 INFO L439 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:12,983 INFO L439 ceAbstractionStarter]: At program point L530-1(line 530) the Hoare annotation is: (or (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:12,983 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 524 546) no Hoare annotation was computed. [2019-11-06 22:02:12,983 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2019-11-06 22:02:12,983 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2019-11-06 22:02:12,983 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L489(line 489) no Hoare annotation was computed. [2019-11-06 22:02:12,984 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 588 595) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 588 595) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseFINAL(lines 588 595) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point L672(line 672) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2019-11-06 22:02:12,985 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-11-06 22:02:12,986 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2019-11-06 22:02:12,986 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2019-11-06 22:02:12,986 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 657) no Hoare annotation was computed. [2019-11-06 22:02:12,986 INFO L443 ceAbstractionStarter]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2019-11-06 22:02:12,986 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2019-11-06 22:02:12,986 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2019-11-06 22:02:12,986 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2019-11-06 22:02:12,986 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2019-11-06 22:02:12,986 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2019-11-06 22:02:12,987 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2019-11-06 22:02:12,987 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2019-11-06 22:02:12,987 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2019-11-06 22:02:12,987 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 415) no Hoare annotation was computed. [2019-11-06 22:02:12,987 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 422) no Hoare annotation was computed. [2019-11-06 22:02:12,987 INFO L443 ceAbstractionStarter]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2019-11-06 22:02:12,987 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2019-11-06 22:02:12,987 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2019-11-06 22:02:12,987 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:12,988 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2019-11-06 22:02:12,988 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2019-11-06 22:02:12,988 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 622 632) no Hoare annotation was computed. [2019-11-06 22:02:12,988 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2019-11-06 22:02:12,988 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2019-11-06 22:02:12,988 INFO L443 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2019-11-06 22:02:12,988 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-11-06 22:02:12,988 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 614 621) no Hoare annotation was computed. [2019-11-06 22:02:12,988 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2019-11-06 22:02:12,989 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2019-11-06 22:02:12,989 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 587) no Hoare annotation was computed. [2019-11-06 22:02:12,989 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 581 587) the Hoare annotation is: true [2019-11-06 22:02:12,989 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 687 752) the Hoare annotation is: (or (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:12,989 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-11-06 22:02:12,989 INFO L439 ceAbstractionStarter]: At program point L735-2(lines 727 740) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= 0 ~pumpRunning~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:02:12,989 INFO L443 ceAbstractionStarter]: For program point L698(lines 697 744) no Hoare annotation was computed. [2019-11-06 22:02:12,989 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= 0 ~pumpRunning~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:02:12,989 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 740) no Hoare annotation was computed. [2019-11-06 22:02:12,989 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 687 752) no Hoare annotation was computed. [2019-11-06 22:02:12,990 INFO L439 ceAbstractionStarter]: At program point L719(line 719) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= 0 ~pumpRunning~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:02:12,990 INFO L443 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2019-11-06 22:02:12,990 INFO L443 ceAbstractionStarter]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2019-11-06 22:02:12,990 INFO L439 ceAbstractionStarter]: At program point L742(lines 697 744) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= 0 ~pumpRunning~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:02:12,990 INFO L439 ceAbstractionStarter]: At program point L709(line 709) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:02:12,990 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 713) no Hoare annotation was computed. [2019-11-06 22:02:12,990 INFO L443 ceAbstractionStarter]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2019-11-06 22:02:12,990 INFO L443 ceAbstractionStarter]: For program point L699(lines 699 703) no Hoare annotation was computed. [2019-11-06 22:02:12,990 INFO L439 ceAbstractionStarter]: At program point L745(lines 696 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:12,990 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 687 752) no Hoare annotation was computed. [2019-11-06 22:02:12,990 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 369) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 376) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 817) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 801 823) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 801 823) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 801 823) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point L289(lines 288 308) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2019-11-06 22:02:12,991 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 326) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L304(line 304) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L304-1(line 304) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 338) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 294) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L309(lines 287 310) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 284) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 335) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 835 844) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 835 844) no Hoare annotation was computed. [2019-11-06 22:02:12,992 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 835 844) no Hoare annotation was computed. [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:02:12,993 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~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.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~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point L608(line 608) no Hoare annotation was computed. [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 610) no Hoare annotation was computed. [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point L602-1(line 602) no Hoare annotation was computed. [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 597 613) no Hoare annotation was computed. [2019-11-06 22:02:12,993 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 824 832) the Hoare annotation is: true [2019-11-06 22:02:12,993 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 824 832) no Hoare annotation was computed. [2019-11-06 22:02:12,994 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 824 832) no Hoare annotation was computed. [2019-11-06 22:02:12,994 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:02:12,994 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-06 22:02:12,994 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:02:12,994 INFO L443 ceAbstractionStarter]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2019-11-06 22:02:12,994 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 780 791) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:02:12,994 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 780 791) no Hoare annotation was computed. [2019-11-06 22:02:12,994 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-11-06 22:02:12,994 INFO L439 ceAbstractionStarter]: At program point L568(lines 568 574) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-11-06 22:02:12,994 INFO L439 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-11-06 22:02:12,994 INFO L443 ceAbstractionStarter]: For program point L561(lines 560 579) no Hoare annotation was computed. [2019-11-06 22:02:12,995 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 557 580) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-11-06 22:02:12,995 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 557 580) no Hoare annotation was computed. [2019-11-06 22:02:12,995 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 557 580) no Hoare annotation was computed. [2019-11-06 22:02:12,995 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2019-11-06 22:02:12,995 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2019-11-06 22:02:12,995 INFO L446 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2019-11-06 22:02:12,995 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-06 22:02:12,995 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-11-06 22:02:12,995 INFO L446 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2019-11-06 22:02:12,995 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-06 22:02:12,995 INFO L446 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2019-11-06 22:02:12,995 INFO L446 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2019-11-06 22:02:12,995 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-11-06 22:02:12,996 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 792 800) no Hoare annotation was computed. [2019-11-06 22:02:12,996 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 792 800) no Hoare annotation was computed. [2019-11-06 22:02:12,996 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 792 800) no Hoare annotation was computed. [2019-11-06 22:02:12,996 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 756 767) the Hoare annotation is: true [2019-11-06 22:02:12,996 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 756 767) no Hoare annotation was computed. [2019-11-06 22:02:12,996 INFO L443 ceAbstractionStarter]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2019-11-06 22:02:12,996 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2019-11-06 22:02:12,996 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2019-11-06 22:02:12,996 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:02:12,996 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 22:02:12,996 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 22:02:12,997 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:02:12,997 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 678 685) no Hoare annotation was computed. [2019-11-06 22:02:12,997 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 678 685) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse0))) [2019-11-06 22:02:12,997 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 678 685) no Hoare annotation was computed. [2019-11-06 22:02:12,997 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 768 779) no Hoare annotation was computed. [2019-11-06 22:02:12,997 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 768 779) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-11-06 22:02:12,997 INFO L443 ceAbstractionStarter]: For program point L772-1(lines 768 779) no Hoare annotation was computed. [2019-11-06 22:02:12,997 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2019-11-06 22:02:12,997 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-06 22:02:12,997 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2019-11-06 22:02:12,997 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2019-11-06 22:02:13,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:02:13 BoogieIcfgContainer [2019-11-06 22:02:13,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 22:02:13,013 INFO L168 Benchmark]: Toolchain (without parser) took 24905.60 ms. Allocated memory was 139.5 MB in the beginning and 551.6 MB in the end (delta: 412.1 MB). Free memory was 102.4 MB in the beginning and 212.9 MB in the end (delta: -110.5 MB). Peak memory consumption was 428.7 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:13,014 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-06 22:02:13,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.05 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 175.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:13,015 INFO L168 Benchmark]: Boogie Preprocessor took 117.99 ms. Allocated memory is still 204.5 MB. Free memory was 175.3 MB in the beginning and 171.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:13,016 INFO L168 Benchmark]: RCFGBuilder took 1271.37 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 171.0 MB in the beginning and 202.1 MB in the end (delta: -31.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:13,017 INFO L168 Benchmark]: TraceAbstraction took 22934.00 ms. Allocated memory was 234.9 MB in the beginning and 551.6 MB in the end (delta: 316.7 MB). Free memory was 202.1 MB in the beginning and 212.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 432.9 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:13,021 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 578.05 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 175.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.99 ms. Allocated memory is still 204.5 MB. Free memory was 175.3 MB in the beginning and 171.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1271.37 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 171.0 MB in the beginning and 202.1 MB in the end (delta: -31.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22934.00 ms. Allocated memory was 234.9 MB in the beginning and 551.6 MB in the end (delta: 316.7 MB). Free memory was 202.1 MB in the beginning and 212.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 432.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 696]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == splverifierCounter) && waterLevel == \old(waterLevel)) || !(0 == pumpRunning)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Result: SAFE, OverallTime: 22.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, HoareTripleCheckerStatistics: 440 SDtfs, 700 SDslu, 430 SDs, 0 SdLazy, 1887 SolverSat, 466 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 103 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 199 PreInvPairs, 222 NumberOfFragments, 859 HoareAnnotationTreeSize, 199 FomulaSimplifications, 34464 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 6595 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 122479 SizeOfPredicates, 3 NumberOfNonLiveVariables, 729 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 51/54 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...