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_spec3_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:09:01,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:09:01,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:09:01,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:09:01,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:09:01,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:09:01,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:09:01,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:09:01,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:09:01,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:09:01,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:09:01,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:09:01,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:09:01,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:09:01,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:09:01,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:09:01,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:09:01,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:09:01,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:09:01,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:09:01,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:09:01,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:09:01,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:09:01,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:09:01,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:09:01,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:09:01,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:09:01,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:09:01,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:09:01,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:09:01,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:09:01,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:09:01,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:09:01,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:09:01,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:09:01,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:09:01,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:09:01,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:09:01,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:09:01,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:09:01,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:09:01,939 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 [2019-09-08 06:09:01,954 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:09:01,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:09:01,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:09:01,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:09:01,956 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:09:01,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:09:01,956 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:09:01,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:09:01,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:09:01,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:09:01,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:09:01,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:09:01,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:09:01,958 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:09:01,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:09:01,958 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:09:01,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:09:01,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:09:01,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:09:01,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:09:01,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:09:01,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:09:01,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:09:01,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:09:01,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:09:01,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:09:01,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:09:01,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:09:01,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:09:01,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:09:02,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:09:02,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:09:02,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:09:02,006 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:09:02,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c [2019-09-08 06:09:02,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81d2fb592/6a742fc3edca4800bda39497bac89c62/FLAG413dfae9f [2019-09-08 06:09:02,547 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:09:02,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c [2019-09-08 06:09:02,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81d2fb592/6a742fc3edca4800bda39497bac89c62/FLAG413dfae9f [2019-09-08 06:09:02,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81d2fb592/6a742fc3edca4800bda39497bac89c62 [2019-09-08 06:09:02,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:09:02,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:09:02,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:02,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:09:02,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:09:02,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:02" (1/1) ... [2019-09-08 06:09:02,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdd3a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:02, skipping insertion in model container [2019-09-08 06:09:02,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:02" (1/1) ... [2019-09-08 06:09:02,877 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:09:02,937 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:09:03,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:03,387 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:09:03,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:09:03,547 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:09:03,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03 WrapperNode [2019-09-08 06:09:03,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:09:03,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:09:03,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:09:03,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:09:03,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03" (1/1) ... [2019-09-08 06:09:03,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03" (1/1) ... [2019-09-08 06:09:03,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03" (1/1) ... [2019-09-08 06:09:03,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03" (1/1) ... [2019-09-08 06:09:03,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03" (1/1) ... [2019-09-08 06:09:03,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03" (1/1) ... [2019-09-08 06:09:03,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03" (1/1) ... [2019-09-08 06:09:03,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:09:03,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:09:03,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:09:03,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:09:03,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03" (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 [2019-09-08 06:09:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:09:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:09:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:09:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:09:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:09:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:09:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:09:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:09:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:09:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:09:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:09:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:09:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:09:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:09:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:09:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:09:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:09:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:09:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:09:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:09:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:09:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:09:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:09:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:09:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:09:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-08 06:09:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:09:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:09:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:09:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:09:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:09:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:09:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:09:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:09:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:09:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:09:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:09:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:09:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:09:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:09:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:09:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:09:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:09:03,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:09:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:09:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:09:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:09:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:09:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:09:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:09:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:09:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:09:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:09:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:09:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:09:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:09:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:09:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:09:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:09:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:09:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:09:03,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:09:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:09:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:09:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:09:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:09:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:09:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:09:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:09:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:09:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:09:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:09:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:09:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:09:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:09:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:09:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:09:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:09:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:09:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:09:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:09:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:09:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-08 06:09:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:09:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:09:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:09:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:09:04,902 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:09:04,902 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:09:04,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:04 BoogieIcfgContainer [2019-09-08 06:09:04,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:09:04,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:09:04,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:09:04,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:09:04,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:09:02" (1/3) ... [2019-09-08 06:09:04,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716aee57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:04, skipping insertion in model container [2019-09-08 06:09:04,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:03" (2/3) ... [2019-09-08 06:09:04,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716aee57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:09:04, skipping insertion in model container [2019-09-08 06:09:04,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:09:04" (3/3) ... [2019-09-08 06:09:04,911 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26.cil.c [2019-09-08 06:09:04,921 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:09:04,930 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:09:04,948 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:09:04,991 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:09:04,992 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:09:04,992 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:09:04,992 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:09:04,993 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:09:04,993 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:09:04,993 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:09:04,993 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:09:04,993 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:09:05,016 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2019-09-08 06:09:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:09:05,025 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:05,026 INFO L399 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] [2019-09-08 06:09:05,029 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:05,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:05,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1563256651, now seen corresponding path program 1 times [2019-09-08 06:09:05,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:05,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:05,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:05,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:05,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:05,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:05,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:09:05,402 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:09:05,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:09:05,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:05,418 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2019-09-08 06:09:05,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:05,460 INFO L93 Difference]: Finished difference Result 228 states and 281 transitions. [2019-09-08 06:09:05,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:09:05,462 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:09:05,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:05,476 INFO L225 Difference]: With dead ends: 228 [2019-09-08 06:09:05,476 INFO L226 Difference]: Without dead ends: 114 [2019-09-08 06:09:05,481 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:09:05,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-09-08 06:09:05,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-09-08 06:09:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-09-08 06:09:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2019-09-08 06:09:05,579 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2019-09-08 06:09:05,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:05,583 INFO L475 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2019-09-08 06:09:05,583 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:09:05,583 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2019-09-08 06:09:05,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:09:05,590 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:05,591 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:05,591 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:05,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:05,593 INFO L82 PathProgramCache]: Analyzing trace with hash 129011283, now seen corresponding path program 1 times [2019-09-08 06:09:05,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:05,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:05,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:05,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:05,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:05,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:05,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:05,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:09:05,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:09:05,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:09:05,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:05,788 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 3 states. [2019-09-08 06:09:05,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:05,824 INFO L93 Difference]: Finished difference Result 173 states and 199 transitions. [2019-09-08 06:09:05,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:09:05,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:09:05,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:05,831 INFO L225 Difference]: With dead ends: 173 [2019-09-08 06:09:05,831 INFO L226 Difference]: Without dead ends: 105 [2019-09-08 06:09:05,833 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:05,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-08 06:09:05,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-08 06:09:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-08 06:09:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2019-09-08 06:09:05,846 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2019-09-08 06:09:05,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:05,846 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2019-09-08 06:09:05,846 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:09:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2019-09-08 06:09:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:09:05,849 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:05,849 INFO L399 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] [2019-09-08 06:09:05,849 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:05,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:05,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1511338084, now seen corresponding path program 1 times [2019-09-08 06:09:05,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:05,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:05,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:05,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:05,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:06,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:06,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:09:06,004 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:09:06,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:09:06,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:09:06,005 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 7 states. [2019-09-08 06:09:06,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:06,303 INFO L93 Difference]: Finished difference Result 186 states and 217 transitions. [2019-09-08 06:09:06,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:09:06,303 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:09:06,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:06,305 INFO L225 Difference]: With dead ends: 186 [2019-09-08 06:09:06,305 INFO L226 Difference]: Without dead ends: 105 [2019-09-08 06:09:06,306 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:09:06,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-08 06:09:06,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-08 06:09:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-08 06:09:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2019-09-08 06:09:06,319 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 58 [2019-09-08 06:09:06,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:06,319 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2019-09-08 06:09:06,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:09:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2019-09-08 06:09:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 06:09:06,321 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:06,322 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:06,322 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:06,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:06,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1273380087, now seen corresponding path program 1 times [2019-09-08 06:09:06,323 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:06,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:06,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:06,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:06,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:06,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:06,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:06,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:09:06,433 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:09:06,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:09:06,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:09:06,434 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 6 states. [2019-09-08 06:09:06,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:06,684 INFO L93 Difference]: Finished difference Result 256 states and 305 transitions. [2019-09-08 06:09:06,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:06,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-09-08 06:09:06,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:06,690 INFO L225 Difference]: With dead ends: 256 [2019-09-08 06:09:06,692 INFO L226 Difference]: Without dead ends: 175 [2019-09-08 06:09:06,693 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:09:06,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-09-08 06:09:06,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2019-09-08 06:09:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-09-08 06:09:06,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 201 transitions. [2019-09-08 06:09:06,732 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 201 transitions. Word has length 66 [2019-09-08 06:09:06,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:06,733 INFO L475 AbstractCegarLoop]: Abstraction has 173 states and 201 transitions. [2019-09-08 06:09:06,733 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:09:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 201 transitions. [2019-09-08 06:09:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 06:09:06,741 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:06,741 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:06,742 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:06,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:06,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1502182801, now seen corresponding path program 1 times [2019-09-08 06:09:06,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:06,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:06,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:06,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:06,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:09:06,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:06,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:09:06,871 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:09:06,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:09:06,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:06,874 INFO L87 Difference]: Start difference. First operand 173 states and 201 transitions. Second operand 3 states. [2019-09-08 06:09:06,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:06,891 INFO L93 Difference]: Finished difference Result 280 states and 332 transitions. [2019-09-08 06:09:06,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:09:06,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-09-08 06:09:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:06,895 INFO L225 Difference]: With dead ends: 280 [2019-09-08 06:09:06,895 INFO L226 Difference]: Without dead ends: 131 [2019-09-08 06:09:06,897 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:09:06,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-08 06:09:06,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-08 06:09:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-08 06:09:06,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2019-09-08 06:09:06,920 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 70 [2019-09-08 06:09:06,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:06,920 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2019-09-08 06:09:06,921 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:09:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2019-09-08 06:09:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 06:09:06,922 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:06,922 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:09:06,922 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:06,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:06,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1264318339, now seen corresponding path program 1 times [2019-09-08 06:09:06,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:06,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:06,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:06,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:06,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:07,818 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:09:07,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:09:07 BoogieIcfgContainer [2019-09-08 06:09:07,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:09:07,998 INFO L168 Benchmark]: Toolchain (without parser) took 5136.24 ms. Allocated memory was 133.7 MB in the beginning and 259.5 MB in the end (delta: 125.8 MB). Free memory was 87.6 MB in the beginning and 182.8 MB in the end (delta: -95.2 MB). Peak memory consumption was 135.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:07,999 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:09:08,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.84 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.4 MB in the beginning and 164.9 MB in the end (delta: -77.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:08,002 INFO L168 Benchmark]: Boogie Preprocessor took 122.55 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 160.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:08,004 INFO L168 Benchmark]: RCFGBuilder took 1232.73 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.7 MB in the beginning and 194.7 MB in the end (delta: -34.1 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:08,006 INFO L168 Benchmark]: TraceAbstraction took 3089.44 ms. Allocated memory was 226.5 MB in the beginning and 259.5 MB in the end (delta: 33.0 MB). Free memory was 194.7 MB in the beginning and 182.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 149.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:08,017 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.84 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.4 MB in the beginning and 164.9 MB in the end (delta: -77.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.55 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 160.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1232.73 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.7 MB in the beginning and 194.7 MB in the end (delta: -34.1 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3089.44 ms. Allocated memory was 226.5 MB in the beginning and 259.5 MB in the end (delta: 33.0 MB). Free memory was 194.7 MB in the beginning and 182.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 149.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 643]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L184] int waterLevel = 1; [L185] int methaneLevelCritical = 0; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] int splverifierCounter ; [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L836] int tmp___2 ; [L839] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L841] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L843] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L849] tmp = __VERIFIER_nondet_int() [L851] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L853] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L202] COND TRUE waterLevel < 2 [L203] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L859] tmp___0 = __VERIFIER_nondet_int() [L861] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L869] tmp___2 = __VERIFIER_nondet_int() [L871] COND FALSE !(\read(tmp___2)) [L877] tmp___1 = __VERIFIER_nondet_int() [L879] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=8, tmp___2=0, waterLevel=2] [L886] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L660] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L689] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L707] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L675] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] int tmp ; [L900] int tmp___0 ; [L901] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L223] int retValue_acc ; [L226] retValue_acc = methaneLevelCritical [L227] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L905] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] tmp = isMethaneLevelCritical() [L907] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L911] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L255] int retValue_acc ; [L258] retValue_acc = waterLevel [L259] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L911] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L911] tmp___0 = getWaterLevel() [L913] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L915] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L759] int retValue_acc ; [L762] retValue_acc = pumpRunning [L763] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L915] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L915] tmp___1 = isPumpRunning() [L917] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L921] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. UNSAFE Result, 3.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 595 SDtfs, 255 SDslu, 789 SDs, 0 SdLazy, 181 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 29730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...