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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:37,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:37,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:37,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:37,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:37,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:37,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:37,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:37,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:37,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:37,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:37,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:37,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:37,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:37,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:37,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:37,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:37,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:37,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:37,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:37,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:37,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:37,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:37,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:37,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:37,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:37,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:37,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:37,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:37,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:37,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:37,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:37,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:37,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:37,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:37,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:37,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:37,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:37,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:37,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:37,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:37,944 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 02:49:37,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:37,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:37,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:37,961 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:37,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:37,962 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:37,962 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:37,962 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:37,963 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:37,963 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:37,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:37,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:37,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:37,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:37,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:37,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:37,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:37,965 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:37,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:37,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:37,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:37,966 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:37,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:37,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:37,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:37,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:37,968 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:37,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:37,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:37,968 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:38,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:38,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:38,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:38,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:38,045 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:38,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product47.cil.c [2019-09-10 02:49:38,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edaa1a999/3c55f9211a484e6faf03b604f124352c/FLAGcdd4e30e8 [2019-09-10 02:49:38,665 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:49:38,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product47.cil.c [2019-09-10 02:49:38,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edaa1a999/3c55f9211a484e6faf03b604f124352c/FLAGcdd4e30e8 [2019-09-10 02:49:38,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edaa1a999/3c55f9211a484e6faf03b604f124352c [2019-09-10 02:49:38,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:49:38,931 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:49:38,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:38,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:49:38,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:49:38,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:38" (1/1) ... [2019-09-10 02:49:38,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18312eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:38, skipping insertion in model container [2019-09-10 02:49:38,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:38" (1/1) ... [2019-09-10 02:49:38,950 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:49:38,998 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:49:39,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:39,497 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:49:39,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:39,657 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:49:39,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39 WrapperNode [2019-09-10 02:49:39,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:39,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:49:39,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:49:39,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:49:39,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39" (1/1) ... [2019-09-10 02:49:39,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39" (1/1) ... [2019-09-10 02:49:39,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39" (1/1) ... [2019-09-10 02:49:39,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39" (1/1) ... [2019-09-10 02:49:39,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39" (1/1) ... [2019-09-10 02:49:39,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39" (1/1) ... [2019-09-10 02:49:39,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39" (1/1) ... [2019-09-10 02:49:39,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:49:39,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:49:39,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:49:39,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:49:39,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39" (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 02:49:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:49:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:49:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:49:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:49:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:49:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:49:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:49:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:49:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:49:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:49:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:49:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:49:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:49:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:49:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:49:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:49:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:49:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:49:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:49:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:49:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-10 02:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-10 02:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-10 02:49:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:49:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:49:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:49:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:49:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:49:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:49:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-10 02:49:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:49:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:49:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:49:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:49:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:49:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:49:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:49:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:49:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:49:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:49:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:49:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-10 02:49:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:49:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:49:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:49:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-10 02:49:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:49:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:49:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:49:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:49:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:49:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-10 02:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-10 02:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:49:40,863 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:49:40,864 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:49:40,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:40 BoogieIcfgContainer [2019-09-10 02:49:40,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:49:40,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:49:40,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:49:40,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:49:40,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:49:38" (1/3) ... [2019-09-10 02:49:40,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512f083c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:40, skipping insertion in model container [2019-09-10 02:49:40,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:39" (2/3) ... [2019-09-10 02:49:40,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512f083c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:40, skipping insertion in model container [2019-09-10 02:49:40,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:40" (3/3) ... [2019-09-10 02:49:40,875 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product47.cil.c [2019-09-10 02:49:40,886 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:49:40,897 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:49:40,915 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:49:40,948 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:49:40,949 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:49:40,949 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:49:40,949 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:49:40,949 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:49:40,949 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:49:40,950 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:49:40,950 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:49:40,969 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2019-09-10 02:49:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:49:40,985 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:40,986 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 02:49:40,988 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:40,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:40,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1671120280, now seen corresponding path program 1 times [2019-09-10 02:49:40,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:41,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:41,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:41,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:41,049 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:41,380 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 02:49:41,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:41,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:49:41,383 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:41,389 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:49:41,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:49:41,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:41,407 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2019-09-10 02:49:41,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:41,440 INFO L93 Difference]: Finished difference Result 153 states and 181 transitions. [2019-09-10 02:49:41,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:49:41,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-10 02:49:41,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:41,456 INFO L225 Difference]: With dead ends: 153 [2019-09-10 02:49:41,456 INFO L226 Difference]: Without dead ends: 142 [2019-09-10 02:49:41,458 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 02:49:41,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-09-10 02:49:41,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-09-10 02:49:41,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-09-10 02:49:41,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 169 transitions. [2019-09-10 02:49:41,546 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 169 transitions. Word has length 52 [2019-09-10 02:49:41,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:41,547 INFO L475 AbstractCegarLoop]: Abstraction has 142 states and 169 transitions. [2019-09-10 02:49:41,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:49:41,548 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 169 transitions. [2019-09-10 02:49:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-10 02:49:41,559 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:41,559 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 02:49:41,562 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:41,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:41,563 INFO L82 PathProgramCache]: Analyzing trace with hash -374509178, now seen corresponding path program 1 times [2019-09-10 02:49:41,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:41,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:41,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:41,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:41,565 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:41,676 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 02:49:41,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:41,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:41,677 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:41,680 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:41,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:41,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:41,682 INFO L87 Difference]: Start difference. First operand 142 states and 169 transitions. Second operand 3 states. [2019-09-10 02:49:41,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:41,719 INFO L93 Difference]: Finished difference Result 133 states and 157 transitions. [2019-09-10 02:49:41,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:41,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-10 02:49:41,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:41,737 INFO L225 Difference]: With dead ends: 133 [2019-09-10 02:49:41,737 INFO L226 Difference]: Without dead ends: 133 [2019-09-10 02:49:41,738 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 02:49:41,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-09-10 02:49:41,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-09-10 02:49:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-09-10 02:49:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 157 transitions. [2019-09-10 02:49:41,761 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 157 transitions. Word has length 53 [2019-09-10 02:49:41,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:41,762 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 157 transitions. [2019-09-10 02:49:41,762 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2019-09-10 02:49:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-10 02:49:41,765 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:41,765 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] [2019-09-10 02:49:41,765 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:41,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:41,766 INFO L82 PathProgramCache]: Analyzing trace with hash 299348801, now seen corresponding path program 1 times [2019-09-10 02:49:41,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:41,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:41,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:41,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:41,767 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:41,904 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 02:49:41,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:41,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:49:41,904 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:41,905 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:49:41,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:49:41,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:49:41,906 INFO L87 Difference]: Start difference. First operand 133 states and 157 transitions. Second operand 7 states. [2019-09-10 02:49:42,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:42,409 INFO L93 Difference]: Finished difference Result 298 states and 359 transitions. [2019-09-10 02:49:42,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:42,410 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-10 02:49:42,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:42,414 INFO L225 Difference]: With dead ends: 298 [2019-09-10 02:49:42,415 INFO L226 Difference]: Without dead ends: 298 [2019-09-10 02:49:42,415 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 02:49:42,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-09-10 02:49:42,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 290. [2019-09-10 02:49:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2019-09-10 02:49:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2019-09-10 02:49:42,450 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 57 [2019-09-10 02:49:42,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:42,451 INFO L475 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2019-09-10 02:49:42,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:49:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2019-09-10 02:49:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-10 02:49:42,489 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:42,489 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] [2019-09-10 02:49:42,489 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:42,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:42,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1748947784, now seen corresponding path program 1 times [2019-09-10 02:49:42,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:42,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:42,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:42,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:42,492 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:42,604 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 02:49:42,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:42,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:49:42,605 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:42,606 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:49:42,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:49:42,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:49:42,607 INFO L87 Difference]: Start difference. First operand 290 states and 353 transitions. Second operand 6 states. [2019-09-10 02:49:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:42,847 INFO L93 Difference]: Finished difference Result 529 states and 652 transitions. [2019-09-10 02:49:42,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:42,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-10 02:49:42,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:42,853 INFO L225 Difference]: With dead ends: 529 [2019-09-10 02:49:42,854 INFO L226 Difference]: Without dead ends: 529 [2019-09-10 02:49:42,854 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 02:49:42,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-09-10 02:49:42,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2019-09-10 02:49:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2019-09-10 02:49:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 646 transitions. [2019-09-10 02:49:42,893 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 646 transitions. Word has length 63 [2019-09-10 02:49:42,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:42,893 INFO L475 AbstractCegarLoop]: Abstraction has 523 states and 646 transitions. [2019-09-10 02:49:42,893 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:49:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 646 transitions. [2019-09-10 02:49:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-10 02:49:42,896 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:42,897 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] [2019-09-10 02:49:42,897 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:42,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:42,897 INFO L82 PathProgramCache]: Analyzing trace with hash -145060242, now seen corresponding path program 1 times [2019-09-10 02:49:42,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:42,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:42,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:42,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:42,899 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:43,822 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 02:49:43,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:49:43 BoogieIcfgContainer [2019-09-10 02:49:43,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:49:43,986 INFO L168 Benchmark]: Toolchain (without parser) took 5053.28 ms. Allocated memory was 134.2 MB in the beginning and 255.9 MB in the end (delta: 121.6 MB). Free memory was 88.3 MB in the beginning and 135.3 MB in the end (delta: -47.0 MB). Peak memory consumption was 130.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:43,988 INFO L168 Benchmark]: CDTParser took 1.30 ms. Allocated memory is still 134.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:49:43,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.55 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 165.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:43,991 INFO L168 Benchmark]: Boogie Preprocessor took 88.39 ms. Allocated memory is still 200.8 MB. Free memory was 165.7 MB in the beginning and 160.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:43,993 INFO L168 Benchmark]: RCFGBuilder took 1119.13 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.9 MB in the beginning and 192.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:43,994 INFO L168 Benchmark]: TraceAbstraction took 3115.33 ms. Allocated memory was 228.1 MB in the beginning and 255.9 MB in the end (delta: 27.8 MB). Free memory was 192.0 MB in the beginning and 135.3 MB in the end (delta: 56.7 MB). Peak memory consumption was 140.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:43,998 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30 ms. Allocated memory is still 134.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.55 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 165.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.39 ms. Allocated memory is still 200.8 MB. Free memory was 165.7 MB in the beginning and 160.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1119.13 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.9 MB in the beginning and 192.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3115.33 ms. Allocated memory was 228.1 MB in the beginning and 255.9 MB in the end (delta: 27.8 MB). Free memory was 192.0 MB in the beginning and 135.3 MB in the end (delta: 56.7 MB). Peak memory consumption was 140.4 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: [L49] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L629] int pumpRunning = 0; [L630] int systemActive = 1; [L841] int waterLevel = 1; [L842] int methaneLevelCritical = 0; [L130] int retValue_acc ; [L131] 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] [L135] 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] [L136] 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] [L137] 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] [L179] int retValue_acc ; [L182] retValue_acc = 1 [L183] 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] [L137] 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] [L137] tmp = valid_product() [L139] 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] [L141] 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] [L142] 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] [L121] 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] [L556] int splverifierCounter ; [L557] int tmp ; [L558] int tmp___0 ; [L559] int tmp___1 ; [L560] int tmp___2 ; [L563] 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] [L565] 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] [L567] 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] [L573] tmp = __VERIFIER_nondet_int() [L575] 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] [L577] 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] [L859] COND TRUE waterLevel < 2 [L860] 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] [L577] 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] [L583] tmp___0 = __VERIFIER_nondet_int() [L585] 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] [L593] tmp___2 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___2)) [L599] tmp___1 = __VERIFIER_nondet_int() [L601] 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] [L603] 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] [L828] 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] [L835] 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] [L603] 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] [L610] 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] [L637] 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] [L644] 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] [L652] 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] [L936] int tmp ; [L937] int tmp___0 ; [L938] 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] [L942] 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] [L880] int retValue_acc ; [L883] retValue_acc = methaneLevelCritical [L884] 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] [L942] 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] [L942] tmp = isMethaneLevelCritical() [L944] 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] [L948] 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] [L912] int retValue_acc ; [L915] retValue_acc = waterLevel [L916] 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] [L948] 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] [L948] tmp___0 = getWaterLevel() [L950] 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] [L952] 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] [L761] int retValue_acc ; [L764] retValue_acc = pumpRunning [L765] 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] [L952] 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] [L952] tmp___1 = isPumpRunning() [L954] 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] [L958] 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 40 procedures, 241 locations, 1 error locations. UNSAFE Result, 3.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 721 SDtfs, 380 SDslu, 1409 SDs, 0 SdLazy, 327 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=523occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 20709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...