/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_spec3_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:43:28,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:43:28,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:43:28,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:43:28,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:43:28,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:43:28,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:43:28,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:43:28,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:43:28,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:43:28,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:43:28,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:43:28,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:43:28,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:43:28,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:43:28,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:43:28,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:43:28,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:43:28,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:43:28,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:43:28,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:43:28,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:43:28,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:43:28,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:43:28,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:43:28,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:43:28,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:43:28,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:43:28,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:43:28,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:43:28,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:43:28,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:43:28,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:43:28,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:43:28,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:43:28,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:43:28,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:43:28,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:43:28,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:43:28,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:43:28,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:43:28,952 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 [2020-07-07 10:43:28,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:43:28,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:43:28,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:43:28,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:43:28,978 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:43:28,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:43:28,978 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:43:28,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:43:28,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:43:28,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:43:28,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:43:28,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:43:28,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:43:28,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:43:28,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:43:28,981 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:43:28,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:43:28,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:43:28,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:43:28,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:43:28,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:43:28,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:43:28,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:43:28,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:43:28,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:43:28,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:43:28,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:43:28,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:43:28,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:43:28,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:43:29,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:43:29,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:43:29,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:43:29,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:43:29,310 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:43:29,311 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c [2020-07-07 10:43:29,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf321c34/00e82cd43576454dad63fc20b7e2cd28/FLAG2af189586 [2020-07-07 10:43:29,873 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:43:29,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c [2020-07-07 10:43:29,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf321c34/00e82cd43576454dad63fc20b7e2cd28/FLAG2af189586 [2020-07-07 10:43:30,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf321c34/00e82cd43576454dad63fc20b7e2cd28 [2020-07-07 10:43:30,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:43:30,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:43:30,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:43:30,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:43:30,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:43:30,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:30,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522759f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30, skipping insertion in model container [2020-07-07 10:43:30,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:30,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:43:30,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:43:30,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:43:30,727 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:43:30,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:43:30,927 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:43:30,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30 WrapperNode [2020-07-07 10:43:30,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:43:30,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:43:30,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:43:30,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:43:30,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:30,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:30,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:30,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:31,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:31,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:31,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30" (1/1) ... [2020-07-07 10:43:31,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:43:31,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:43:31,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:43:31,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:43:31,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30" (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 [2020-07-07 10:43:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:43:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:43:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:43:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:43:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:43:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:43:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:43:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:43:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:43:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:43:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:43:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:43:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:43:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:43:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:43:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:43:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:43:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:43:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:43:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:43:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:43:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:43:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:43:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:43:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:43:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:43:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:43:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:43:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:43:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:43:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:43:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:43:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:43:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:43:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:43:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:43:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:43:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:43:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:43:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:43:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:43:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:43:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:43:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:43:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:43:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:43:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:43:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:43:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:43:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:43:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:43:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:43:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:43:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:43:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:43:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:43:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:43:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:43:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:43:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:43:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:43:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:43:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:43:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:43:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:43:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:43:32,193 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:43:32,194 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:43:32,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:43:32 BoogieIcfgContainer [2020-07-07 10:43:32,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:43:32,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:43:32,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:43:32,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:43:32,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:43:30" (1/3) ... [2020-07-07 10:43:32,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460253e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:43:32, skipping insertion in model container [2020-07-07 10:43:32,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:30" (2/3) ... [2020-07-07 10:43:32,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460253e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:43:32, skipping insertion in model container [2020-07-07 10:43:32,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:43:32" (3/3) ... [2020-07-07 10:43:32,207 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2020-07-07 10:43:32,218 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:43:32,226 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:43:32,240 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:43:32,266 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:43:32,266 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:43:32,266 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:43:32,267 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:43:32,267 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:43:32,267 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:43:32,267 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:43:32,268 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:43:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-07-07 10:43:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:43:32,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:32,304 INFO L422 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] [2020-07-07 10:43:32,304 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:32,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:32,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1046284201, now seen corresponding path program 1 times [2020-07-07 10:43:32,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:32,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408731525] [2020-07-07 10:43:32,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:32,948 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:33,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408731525] [2020-07-07 10:43:33,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:33,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:43:33,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219386103] [2020-07-07 10:43:33,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:43:33,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:33,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:43:33,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:43:33,073 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-07-07 10:43:34,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:34,209 INFO L93 Difference]: Finished difference Result 263 states and 350 transitions. [2020-07-07 10:43:34,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:43:34,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:43:34,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:34,226 INFO L225 Difference]: With dead ends: 263 [2020-07-07 10:43:34,226 INFO L226 Difference]: Without dead ends: 143 [2020-07-07 10:43:34,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:43:34,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-07 10:43:34,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2020-07-07 10:43:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-07 10:43:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2020-07-07 10:43:34,321 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 52 [2020-07-07 10:43:34,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:34,322 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2020-07-07 10:43:34,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:43:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2020-07-07 10:43:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:43:34,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:34,326 INFO L422 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] [2020-07-07 10:43:34,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:43:34,326 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:34,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:34,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1021968907, now seen corresponding path program 1 times [2020-07-07 10:43:34,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:34,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544706650] [2020-07-07 10:43:34,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,696 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:34,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544706650] [2020-07-07 10:43:34,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:34,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:43:34,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084559063] [2020-07-07 10:43:34,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:43:34,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:34,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:43:34,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:43:34,768 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand 4 states. [2020-07-07 10:43:35,233 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:35,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:35,887 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2020-07-07 10:43:35,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:43:35,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:43:35,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:35,892 INFO L225 Difference]: With dead ends: 190 [2020-07-07 10:43:35,892 INFO L226 Difference]: Without dead ends: 127 [2020-07-07 10:43:35,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:43:35,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-07 10:43:35,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2020-07-07 10:43:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-07 10:43:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 119 transitions. [2020-07-07 10:43:35,928 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 119 transitions. Word has length 53 [2020-07-07 10:43:35,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:35,928 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 119 transitions. [2020-07-07 10:43:35,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:43:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2020-07-07 10:43:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:43:35,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:35,931 INFO L422 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] [2020-07-07 10:43:35,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:43:35,932 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:35,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:35,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1636314529, now seen corresponding path program 1 times [2020-07-07 10:43:35,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:35,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033523343] [2020-07-07 10:43:35,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,272 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:36,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033523343] [2020-07-07 10:43:36,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:36,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:43:36,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581786763] [2020-07-07 10:43:36,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:43:36,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:36,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:43:36,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:43:36,388 INFO L87 Difference]: Start difference. First operand 102 states and 119 transitions. Second operand 8 states. [2020-07-07 10:43:36,800 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:43:37,149 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:37,396 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:37,634 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:38,373 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:39,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:39,779 INFO L93 Difference]: Finished difference Result 360 states and 450 transitions. [2020-07-07 10:43:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:43:39,780 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-07 10:43:39,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:39,785 INFO L225 Difference]: With dead ends: 360 [2020-07-07 10:43:39,785 INFO L226 Difference]: Without dead ends: 282 [2020-07-07 10:43:39,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:43:39,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-07 10:43:39,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 228. [2020-07-07 10:43:39,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-07 10:43:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2020-07-07 10:43:39,884 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 57 [2020-07-07 10:43:39,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:39,884 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2020-07-07 10:43:39,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:43:39,885 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2020-07-07 10:43:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-07 10:43:39,893 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:39,893 INFO L422 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] [2020-07-07 10:43:39,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:43:39,893 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:39,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:39,894 INFO L82 PathProgramCache]: Analyzing trace with hash -384943424, now seen corresponding path program 1 times [2020-07-07 10:43:39,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:39,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350372559] [2020-07-07 10:43:39,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,261 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:40,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350372559] [2020-07-07 10:43:40,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:40,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:43:40,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958399242] [2020-07-07 10:43:40,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:43:40,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:40,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:43:40,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:43:40,357 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 8 states. [2020-07-07 10:43:40,752 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:43:42,009 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:42,287 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:42,555 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:42,797 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:43:43,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:43,315 INFO L93 Difference]: Finished difference Result 696 states and 923 transitions. [2020-07-07 10:43:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:43:43,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-07 10:43:43,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:43,321 INFO L225 Difference]: With dead ends: 696 [2020-07-07 10:43:43,321 INFO L226 Difference]: Without dead ends: 492 [2020-07-07 10:43:43,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:43:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-07-07 10:43:43,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 429. [2020-07-07 10:43:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-07 10:43:43,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 535 transitions. [2020-07-07 10:43:43,445 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 535 transitions. Word has length 63 [2020-07-07 10:43:43,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:43,446 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 535 transitions. [2020-07-07 10:43:43,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:43:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 535 transitions. [2020-07-07 10:43:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-07 10:43:43,449 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:43,449 INFO L422 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] [2020-07-07 10:43:43,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:43:43,450 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:43,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:43,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1334484666, now seen corresponding path program 1 times [2020-07-07 10:43:43,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:43,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882620927] [2020-07-07 10:43:43,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:43:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:43:43,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 10:43:43,648 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 10:43:43,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:43:43,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:43:43 BoogieIcfgContainer [2020-07-07 10:43:43,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:43:43,824 INFO L168 Benchmark]: Toolchain (without parser) took 13592.43 ms. Allocated memory was 141.0 MB in the beginning and 426.2 MB in the end (delta: 285.2 MB). Free memory was 104.5 MB in the beginning and 346.6 MB in the end (delta: -242.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,825 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 10:43:43,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.00 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 104.0 MB in the beginning and 171.7 MB in the end (delta: -67.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,832 INFO L168 Benchmark]: Boogie Preprocessor took 114.98 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 167.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,833 INFO L168 Benchmark]: RCFGBuilder took 1155.08 ms. Allocated memory was 205.0 MB in the beginning and 232.3 MB in the end (delta: 27.3 MB). Free memory was 167.9 MB in the beginning and 189.1 MB in the end (delta: -21.2 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,834 INFO L168 Benchmark]: TraceAbstraction took 11622.22 ms. Allocated memory was 232.3 MB in the beginning and 426.2 MB in the end (delta: 194.0 MB). Free memory was 189.1 MB in the beginning and 346.6 MB in the end (delta: -157.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,840 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.00 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 104.0 MB in the beginning and 171.7 MB in the end (delta: -67.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.98 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 167.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1155.08 ms. Allocated memory was 205.0 MB in the beginning and 232.3 MB in the end (delta: 27.3 MB). Free memory was 167.9 MB in the beginning and 189.1 MB in the end (delta: -21.2 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11622.22 ms. Allocated memory was 232.3 MB in the beginning and 426.2 MB in the end (delta: 194.0 MB). Free memory was 189.1 MB in the beginning and 346.6 MB in the end (delta: -157.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L87] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] int retValue_acc ; [L166] 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] [L170] 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] [L171] 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] [L172] 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] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] 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] [L172] 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] [L172] tmp = valid_product() [L174] 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] [L176] 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] [L177] 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] [L159] 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] [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] 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] [L754] 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] [L756] 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] [L762] tmp = __VERIFIER_nondet_int() [L764] 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] [L766] 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] [L829] COND TRUE waterLevel < 2 [L830] 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] [L766] 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] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] 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] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___2)) [L788] tmp___1 = __VERIFIER_nondet_int() [L790] 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=1, tmp___2=0, waterLevel=2] [L792] CALL stopSystem() 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] [L732] COND FALSE !(\read(pumpRunning)) 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] [L739] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L792] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L799] 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=0, waterLevel=2] [L603] 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=0, waterLevel=2] [L610] COND FALSE !(\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=0, waterLevel=2] [L618] 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=0, waterLevel=2] [L558] int tmp ; [L559] int tmp___0 ; [L560] 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=0, waterLevel=2] [L564] 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=0, waterLevel=2] [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] 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=0, waterLevel=2] [L564] 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=0, waterLevel=2] [L564] tmp = isMethaneLevelCritical() [L566] 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=0, tmp=0, waterLevel=2] [L570] 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=0, waterLevel=2] [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] 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=0, waterLevel=2] [L570] 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=0, tmp=0, waterLevel=2] [L570] tmp___0 = getWaterLevel() [L572] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L574] 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=0, waterLevel=2] [L684] int retValue_acc ; [L687] retValue_acc = pumpRunning [L688] 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=0, waterLevel=2] [L574] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L574] tmp___1 = isPumpRunning() [L576] 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=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L580] 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=0, waterLevel=2] [L44] __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=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 636 SDslu, 312 SDs, 0 SdLazy, 1610 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=429occurred 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: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 174 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 61972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...