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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:18,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:18,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:18,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:18,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:18,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:18,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:18,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:18,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:18,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:18,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:18,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:18,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:18,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:18,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:18,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:18,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:18,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:18,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:18,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:18,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:18,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:18,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:18,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:18,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:18,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:18,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:18,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:18,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:18,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:18,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:18,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:18,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:18,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:18,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:18,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:18,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:18,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:18,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:18,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:18,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:18,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:49:18,116 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:18,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:18,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:18,118 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:18,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:18,119 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:18,119 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:18,119 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:18,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:18,119 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:18,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:18,121 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:18,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:18,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:18,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:18,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:18,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:18,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:18,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:18,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:18,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:18,123 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:18,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:18,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:18,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:18,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:18,124 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:18,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:18,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:18,125 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:18,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:18,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:18,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:18,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:18,170 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:18,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product18.cil.c [2019-09-10 02:49:18,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5943e19/977a3952da6c4619bad1966e35da8109/FLAGc6b88f402 [2019-09-10 02:49:18,703 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:49:18,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product18.cil.c [2019-09-10 02:49:18,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5943e19/977a3952da6c4619bad1966e35da8109/FLAGc6b88f402 [2019-09-10 02:49:19,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5943e19/977a3952da6c4619bad1966e35da8109 [2019-09-10 02:49:19,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:49:19,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:49:19,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:19,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:49:19,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:49:19,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:19" (1/1) ... [2019-09-10 02:49:19,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743d159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19, skipping insertion in model container [2019-09-10 02:49:19,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:19" (1/1) ... [2019-09-10 02:49:19,061 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:49:19,125 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:49:19,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:19,570 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:49:19,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:19,708 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:49:19,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19 WrapperNode [2019-09-10 02:49:19,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:19,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:49:19,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:49:19,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:49:19,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19" (1/1) ... [2019-09-10 02:49:19,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19" (1/1) ... [2019-09-10 02:49:19,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19" (1/1) ... [2019-09-10 02:49:19,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19" (1/1) ... [2019-09-10 02:49:19,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19" (1/1) ... [2019-09-10 02:49:19,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19" (1/1) ... [2019-09-10 02:49:19,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19" (1/1) ... [2019-09-10 02:49:19,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:49:19,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:49:19,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:49:19,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:49:19,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19" (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 [2019-09-10 02:49:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:49:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:49:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:49:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:49:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:49:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:49:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:49:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:49:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:49:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:49:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:49:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:49:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:49:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-10 02:49:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:49:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:49:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:49:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:49:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:49:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:49:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:49:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:49:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:49:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:49:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:49:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-10 02:49:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:49:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:49:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:49:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:49:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:49:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:49:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:49:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:49:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:49:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:49:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:49:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:49:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:49:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:49:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:49:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:49:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:49:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:49:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:49:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:49:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:49:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:49:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:49:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:49:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:49:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:49:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:49:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-10 02:49:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:49:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:49:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:49:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:49:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:49:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:49:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:49:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:49:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:49:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:49:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:49:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:49:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:49:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:49:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:49:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:49:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:49:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:49:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:49:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-10 02:49:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:49:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:49:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:49:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:49:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:49:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:49:20,880 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:49:20,880 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:49:20,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:20 BoogieIcfgContainer [2019-09-10 02:49:20,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:49:20,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:49:20,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:49:20,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:49:20,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:49:19" (1/3) ... [2019-09-10 02:49:20,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f600b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:20, skipping insertion in model container [2019-09-10 02:49:20,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:19" (2/3) ... [2019-09-10 02:49:20,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f600b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:20, skipping insertion in model container [2019-09-10 02:49:20,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:20" (3/3) ... [2019-09-10 02:49:20,889 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product18.cil.c [2019-09-10 02:49:20,899 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:49:20,908 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:49:20,924 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:49:20,956 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:49:20,956 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:49:20,957 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:49:20,957 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:49:20,957 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:49:20,957 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:49:20,958 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:49:20,958 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:49:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2019-09-10 02:49:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:49:20,990 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:20,991 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] [2019-09-10 02:49:20,993 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:20,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:20,999 INFO L82 PathProgramCache]: Analyzing trace with hash 144675927, now seen corresponding path program 1 times [2019-09-10 02:49:21,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:21,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:21,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:21,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:21,049 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:21,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:21,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:49:21,310 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:21,316 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:49:21,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:49:21,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:21,334 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2019-09-10 02:49:21,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:21,361 INFO L93 Difference]: Finished difference Result 125 states and 144 transitions. [2019-09-10 02:49:21,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:49:21,363 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-10 02:49:21,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:21,375 INFO L225 Difference]: With dead ends: 125 [2019-09-10 02:49:21,375 INFO L226 Difference]: Without dead ends: 114 [2019-09-10 02:49:21,377 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 [2019-09-10 02:49:21,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-09-10 02:49:21,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-09-10 02:49:21,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-09-10 02:49:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2019-09-10 02:49:21,427 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2019-09-10 02:49:21,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:21,428 INFO L475 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2019-09-10 02:49:21,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:49:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2019-09-10 02:49:21,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-10 02:49:21,432 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:21,432 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] [2019-09-10 02:49:21,432 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:21,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:21,433 INFO L82 PathProgramCache]: Analyzing trace with hash -274604967, now seen corresponding path program 1 times [2019-09-10 02:49:21,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:21,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:21,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:21,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:21,434 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:21,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:21,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:21,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:21,549 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:21,552 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:21,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:21,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:21,553 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 3 states. [2019-09-10 02:49:21,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:21,581 INFO L93 Difference]: Finished difference Result 105 states and 120 transitions. [2019-09-10 02:49:21,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:21,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-10 02:49:21,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:21,586 INFO L225 Difference]: With dead ends: 105 [2019-09-10 02:49:21,586 INFO L226 Difference]: Without dead ends: 105 [2019-09-10 02:49:21,587 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 [2019-09-10 02:49:21,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-10 02:49:21,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-10 02:49:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-10 02:49:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2019-09-10 02:49:21,601 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2019-09-10 02:49:21,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:21,601 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2019-09-10 02:49:21,602 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2019-09-10 02:49:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-10 02:49:21,604 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:21,604 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] [2019-09-10 02:49:21,604 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:21,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:21,605 INFO L82 PathProgramCache]: Analyzing trace with hash 245025236, now seen corresponding path program 1 times [2019-09-10 02:49:21,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:21,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:21,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:21,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:21,606 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:21,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:21,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:49:21,744 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:21,745 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:49:21,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:49:21,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:49:21,745 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 7 states. [2019-09-10 02:49:21,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:21,983 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2019-09-10 02:49:21,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:49:21,983 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-10 02:49:21,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:21,985 INFO L225 Difference]: With dead ends: 105 [2019-09-10 02:49:21,985 INFO L226 Difference]: Without dead ends: 105 [2019-09-10 02:49:21,986 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 [2019-09-10 02:49:21,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-10 02:49:21,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-10 02:49:21,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-10 02:49:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2019-09-10 02:49:21,995 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 58 [2019-09-10 02:49:21,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:21,996 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2019-09-10 02:49:21,996 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:49:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2019-09-10 02:49:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-10 02:49:21,998 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:21,998 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] [2019-09-10 02:49:21,999 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:22,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:22,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1490172925, now seen corresponding path program 1 times [2019-09-10 02:49:22,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:22,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:22,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:22,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:22,002 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:22,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:22,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:49:22,189 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:22,190 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:49:22,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:49:22,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:49:22,191 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 6 states. [2019-09-10 02:49:22,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:22,409 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2019-09-10 02:49:22,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:22,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-09-10 02:49:22,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:22,416 INFO L225 Difference]: With dead ends: 175 [2019-09-10 02:49:22,416 INFO L226 Difference]: Without dead ends: 175 [2019-09-10 02:49:22,416 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 [2019-09-10 02:49:22,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-09-10 02:49:22,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2019-09-10 02:49:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-09-10 02:49:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 201 transitions. [2019-09-10 02:49:22,448 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 201 transitions. Word has length 66 [2019-09-10 02:49:22,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:22,449 INFO L475 AbstractCegarLoop]: Abstraction has 173 states and 201 transitions. [2019-09-10 02:49:22,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:49:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 201 transitions. [2019-09-10 02:49:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 02:49:22,456 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:22,456 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] [2019-09-10 02:49:22,456 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:22,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:22,457 INFO L82 PathProgramCache]: Analyzing trace with hash -123378135, now seen corresponding path program 1 times [2019-09-10 02:49:22,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:22,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:22,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:22,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:22,461 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:22,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:22,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:22,534 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:22,535 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:22,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:22,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:22,536 INFO L87 Difference]: Start difference. First operand 173 states and 201 transitions. Second operand 3 states. [2019-09-10 02:49:22,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:22,544 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2019-09-10 02:49:22,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:22,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-09-10 02:49:22,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:22,546 INFO L225 Difference]: With dead ends: 131 [2019-09-10 02:49:22,546 INFO L226 Difference]: Without dead ends: 131 [2019-09-10 02:49:22,547 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 [2019-09-10 02:49:22,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-10 02:49:22,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-10 02:49:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-10 02:49:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2019-09-10 02:49:22,555 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 70 [2019-09-10 02:49:22,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:22,555 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2019-09-10 02:49:22,555 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2019-09-10 02:49:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 02:49:22,557 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:22,557 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] [2019-09-10 02:49:22,557 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:22,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:22,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2126179389, now seen corresponding path program 1 times [2019-09-10 02:49:22,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:22,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:22,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:22,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:22,559 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:23,271 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 02:49:23,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:49:23 BoogieIcfgContainer [2019-09-10 02:49:23,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:49:23,420 INFO L168 Benchmark]: Toolchain (without parser) took 4373.46 ms. Allocated memory was 134.7 MB in the beginning and 255.3 MB in the end (delta: 120.6 MB). Free memory was 89.0 MB in the beginning and 174.7 MB in the end (delta: -85.8 MB). Peak memory consumption was 127.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:23,421 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:49:23,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.19 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 88.8 MB in the beginning and 167.5 MB in the end (delta: -78.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:23,424 INFO L168 Benchmark]: Boogie Preprocessor took 78.85 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:23,425 INFO L168 Benchmark]: RCFGBuilder took 1093.50 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.3 MB in the beginning and 197.2 MB in the end (delta: -33.9 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:23,426 INFO L168 Benchmark]: TraceAbstraction took 2534.39 ms. Allocated memory was 230.7 MB in the beginning and 255.3 MB in the end (delta: 24.6 MB). Free memory was 197.2 MB in the beginning and 174.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 139.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:23,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.19 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 88.8 MB in the beginning and 167.5 MB in the end (delta: -78.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.85 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1093.50 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.3 MB in the beginning and 197.2 MB in the end (delta: -33.9 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2534.39 ms. Allocated memory was 230.7 MB in the beginning and 255.3 MB in the end (delta: 24.6 MB). Free memory was 197.2 MB in the beginning and 174.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 139.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 910]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L407] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L608] int pumpRunning = 0; [L609] 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] [L862] int retValue_acc ; [L865] retValue_acc = 1 [L866] 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] [L770] int splverifierCounter ; [L771] int tmp ; [L772] int tmp___0 ; [L773] int tmp___1 ; [L774] int tmp___2 ; [L777] 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] [L779] 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] [L781] 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] [L787] tmp = __VERIFIER_nondet_int() [L789] 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] [L791] 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] [L167] COND TRUE waterLevel < 2 [L168] 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] [L791] 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] [L797] tmp___0 = __VERIFIER_nondet_int() [L799] 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] [L807] tmp___2 = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp___2)) [L815] tmp___1 = __VERIFIER_nondet_int() [L817] 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] [L824] 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] [L616] 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] [L623] 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] [L625] 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] [L645] 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] [L648] 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] [L663] 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] [L625] 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] [L631] 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] [L873] int tmp ; [L874] int tmp___0 ; [L875] 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] [L879] 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] [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] 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] [L879] 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] [L879] tmp = isMethaneLevelCritical() [L881] 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] [L885] 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] [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] 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] [L885] 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] [L885] tmp___0 = getWaterLevel() [L887] 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] [L889] 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] [L697] int retValue_acc ; [L700] retValue_acc = pumpRunning [L701] 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] [L889] 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] [L889] tmp___1 = isPumpRunning() [L891] 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] [L895] 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] [L910] __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 38 procedures, 221 locations, 1 error locations. UNSAFE Result, 2.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.5s 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s 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...