/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:38:43,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:38:43,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:38:43,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:38:43,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:38:43,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:38:43,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:38:43,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:38:43,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:38:43,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:38:43,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:38:43,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:38:43,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:38:43,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:38:43,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:38:43,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:38:43,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:38:43,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:38:43,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:38:43,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:38:43,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:38:43,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:38:43,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:38:43,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:38:43,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:38:43,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:38:43,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:38:43,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:38:43,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:38:43,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:38:43,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:38:43,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:38:43,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:38:43,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:38:43,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:38:43,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:38:43,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:38:43,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:38:43,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:38:43,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:38:43,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:38:43,107 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:38:43,125 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:38:43,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:38:43,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:38:43,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:38:43,127 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:38:43,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:38:43,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:38:43,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:38:43,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:38:43,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:38:43,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:38:43,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:38:43,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:38:43,130 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:38:43,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:38:43,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:38:43,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:38:43,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:38:43,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:38:43,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:38:43,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:38:43,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:38:43,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:38:43,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:38:43,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:38:43,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:38:43,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:38:43,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:38:43,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:38:43,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:38:43,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:38:43,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:38:43,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:38:43,416 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:38:43,416 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:38:43,417 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2020-07-07 10:38:43,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0941f60cd/af0940a9cc3d46d493bfd7dfd3af4f01/FLAG907d7cafe [2020-07-07 10:38:44,003 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:38:44,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2020-07-07 10:38:44,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0941f60cd/af0940a9cc3d46d493bfd7dfd3af4f01/FLAG907d7cafe [2020-07-07 10:38:44,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0941f60cd/af0940a9cc3d46d493bfd7dfd3af4f01 [2020-07-07 10:38:44,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:38:44,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:38:44,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:38:44,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:38:44,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:38:44,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:38:44" (1/1) ... [2020-07-07 10:38:44,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36490a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44, skipping insertion in model container [2020-07-07 10:38:44,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:38:44" (1/1) ... [2020-07-07 10:38:44,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:38:44,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:38:44,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:38:44,865 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:38:44,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:38:44,971 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:38:44,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44 WrapperNode [2020-07-07 10:38:44,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:38:44,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:38:44,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:38:44,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:38:44,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44" (1/1) ... [2020-07-07 10:38:44,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44" (1/1) ... [2020-07-07 10:38:45,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44" (1/1) ... [2020-07-07 10:38:45,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44" (1/1) ... [2020-07-07 10:38:45,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44" (1/1) ... [2020-07-07 10:38:45,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44" (1/1) ... [2020-07-07 10:38:45,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44" (1/1) ... [2020-07-07 10:38:45,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:38:45,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:38:45,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:38:45,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:38:45,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:38:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:38:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:38:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:38:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:38:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:38:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:38:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:38:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:38:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:38:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:38:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:38:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:38:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:38:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:38:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:38:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:38:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:38:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:38:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:38:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:38:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:38:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:38:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:38:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:38:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:38:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:38:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:38:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:38:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-07 10:38:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:38:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:38:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:38:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:38:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:38:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:38:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-07 10:38:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:38:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:38:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:38:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:38:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:38:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:38:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:38:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:38:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:38:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:38:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:38:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:38:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:38:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:38:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:38:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:38:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:38:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:38:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:38:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:38:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:38:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:38:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:38:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:38:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:38:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:38:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:38:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:38:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:38:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:38:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:38:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:38:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:38:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:38:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:38:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:38:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:38:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:38:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:38:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:38:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:38:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:38:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:38:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-07 10:38:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:38:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:38:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:38:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-07 10:38:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:38:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:38:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:38:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:38:46,220 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:38:46,220 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:38:46,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:38:46 BoogieIcfgContainer [2020-07-07 10:38:46,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:38:46,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:38:46,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:38:46,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:38:46,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:38:44" (1/3) ... [2020-07-07 10:38:46,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dca9686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:38:46, skipping insertion in model container [2020-07-07 10:38:46,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:38:44" (2/3) ... [2020-07-07 10:38:46,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dca9686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:38:46, skipping insertion in model container [2020-07-07 10:38:46,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:38:46" (3/3) ... [2020-07-07 10:38:46,234 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2020-07-07 10:38:46,245 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:38:46,253 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:38:46,268 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:38:46,294 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:38:46,294 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:38:46,294 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:38:46,294 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:38:46,295 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:38:46,295 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:38:46,295 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:38:46,295 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:38:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-07-07 10:38:46,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:38:46,328 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:38:46,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:38:46,329 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:38:46,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:38:46,336 INFO L82 PathProgramCache]: Analyzing trace with hash -537699629, now seen corresponding path program 1 times [2020-07-07 10:38:46,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:38:46,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867043757] [2020-07-07 10:38:46,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:38:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:46,973 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:38:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:38:47,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867043757] [2020-07-07 10:38:47,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:38:47,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:38:47,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716258257] [2020-07-07 10:38:47,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:38:47,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:38:47,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:38:47,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:38:47,106 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-07-07 10:38:48,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:38:48,147 INFO L93 Difference]: Finished difference Result 246 states and 327 transitions. [2020-07-07 10:38:48,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:38:48,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:38:48,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:38:48,163 INFO L225 Difference]: With dead ends: 246 [2020-07-07 10:38:48,163 INFO L226 Difference]: Without dead ends: 134 [2020-07-07 10:38:48,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:38:48,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-07 10:38:48,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 103. [2020-07-07 10:38:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-07 10:38:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2020-07-07 10:38:48,250 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 46 [2020-07-07 10:38:48,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:38:48,251 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2020-07-07 10:38:48,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:38:48,251 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2020-07-07 10:38:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:38:48,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:38:48,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:38:48,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:38:48,255 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:38:48,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:38:48,255 INFO L82 PathProgramCache]: Analyzing trace with hash -457090641, now seen corresponding path program 1 times [2020-07-07 10:38:48,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:38:48,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962370455] [2020-07-07 10:38:48,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:38:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:48,594 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:38:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:38:48,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962370455] [2020-07-07 10:38:48,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:38:48,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:38:48,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613165260] [2020-07-07 10:38:48,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:38:48,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:38:48,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:38:48,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:38:48,678 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 4 states. [2020-07-07 10:38:49,080 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:38:49,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:38:49,689 INFO L93 Difference]: Finished difference Result 175 states and 214 transitions. [2020-07-07 10:38:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:38:49,690 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:38:49,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:38:49,693 INFO L225 Difference]: With dead ends: 175 [2020-07-07 10:38:49,693 INFO L226 Difference]: Without dead ends: 118 [2020-07-07 10:38:49,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:38:49,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-07 10:38:49,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94. [2020-07-07 10:38:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-07 10:38:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-07-07 10:38:49,727 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 47 [2020-07-07 10:38:49,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:38:49,727 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-07-07 10:38:49,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:38:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-07-07 10:38:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:38:49,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:38:49,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:38:49,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:38:49,730 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:38:49,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:38:49,731 INFO L82 PathProgramCache]: Analyzing trace with hash 333200884, now seen corresponding path program 1 times [2020-07-07 10:38:49,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:38:49,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260119103] [2020-07-07 10:38:49,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:38:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:50,104 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:38:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:38:50,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260119103] [2020-07-07 10:38:50,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:38:50,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:38:50,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475219672] [2020-07-07 10:38:50,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:38:50,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:38:50,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:38:50,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:38:50,214 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 8 states. [2020-07-07 10:38:50,621 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:38:50,922 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:38:51,174 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:38:51,430 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:38:52,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:38:52,357 INFO L93 Difference]: Finished difference Result 188 states and 232 transitions. [2020-07-07 10:38:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:38:52,358 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-07 10:38:52,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:38:52,362 INFO L225 Difference]: With dead ends: 188 [2020-07-07 10:38:52,362 INFO L226 Difference]: Without dead ends: 118 [2020-07-07 10:38:52,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:38:52,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-07 10:38:52,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94. [2020-07-07 10:38:52,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-07 10:38:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2020-07-07 10:38:52,395 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 52 [2020-07-07 10:38:52,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:38:52,395 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2020-07-07 10:38:52,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:38:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2020-07-07 10:38:52,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:38:52,397 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:38:52,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:38:52,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:38:52,398 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:38:52,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:38:52,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1103427225, now seen corresponding path program 1 times [2020-07-07 10:38:52,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:38:52,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186879344] [2020-07-07 10:38:52,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:38:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,685 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:38:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:38:52,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186879344] [2020-07-07 10:38:52,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:38:52,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:38:52,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409098568] [2020-07-07 10:38:52,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:38:52,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:38:52,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:38:52,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:38:52,756 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 8 states. [2020-07-07 10:38:53,115 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:38:54,041 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:38:54,361 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:38:54,870 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:38:55,105 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:38:55,455 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:38:55,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:38:55,911 INFO L93 Difference]: Finished difference Result 294 states and 387 transitions. [2020-07-07 10:38:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:38:55,911 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-07-07 10:38:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:38:55,916 INFO L225 Difference]: With dead ends: 294 [2020-07-07 10:38:55,916 INFO L226 Difference]: Without dead ends: 224 [2020-07-07 10:38:55,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:38:55,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-07 10:38:55,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 155. [2020-07-07 10:38:55,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-07-07 10:38:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2020-07-07 10:38:55,967 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 60 [2020-07-07 10:38:55,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:38:55,968 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2020-07-07 10:38:55,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:38:55,968 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2020-07-07 10:38:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:38:55,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:38:55,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:38:55,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:38:55,970 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:38:55,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:38:55,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1952098603, now seen corresponding path program 1 times [2020-07-07 10:38:55,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:38:55,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258369274] [2020-07-07 10:38:55,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:38:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,247 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:38:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:38:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:38:56,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258369274] [2020-07-07 10:38:56,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:38:56,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:38:56,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011518813] [2020-07-07 10:38:56,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:38:56,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:38:56,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:38:56,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:38:56,360 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand 9 states. [2020-07-07 10:38:56,768 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:38:57,586 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:38:57,839 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:38:58,076 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:38:58,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:38:58,261 INFO L93 Difference]: Finished difference Result 281 states and 348 transitions. [2020-07-07 10:38:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:38:58,261 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-07 10:38:58,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:38:58,262 INFO L225 Difference]: With dead ends: 281 [2020-07-07 10:38:58,262 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:38:58,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:38:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:38:58,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:38:58,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:38:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:38:58,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-07-07 10:38:58,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:38:58,267 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:38:58,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:38:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:38:58,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:38:58,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:38:58,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:39:00,176 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-07-07 10:39:00,362 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:39:00,524 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-07-07 10:39:00,697 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-07-07 10:39:01,039 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-07-07 10:39:01,187 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-07-07 10:39:01,516 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-07-07 10:39:01,799 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-07-07 10:39:02,014 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:39:02,311 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-07-07 10:39:02,659 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-07-07 10:39:02,880 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:39:03,170 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-07-07 10:39:03,494 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-07-07 10:39:03,650 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:39:03,816 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:39:03,972 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:39:04,118 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-07-07 10:39:04,277 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-07-07 10:39:04,468 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-07-07 10:39:04,713 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-07-07 10:39:04,718 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-07-07 10:39:04,718 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-07-07 10:39:04,719 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-07-07 10:39:04,719 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-07-07 10:39:04,719 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-07 10:39:04,719 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-07-07 10:39:04,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-07-07 10:39:04,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-07-07 10:39:04,720 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-07-07 10:39:04,720 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-07-07 10:39:04,720 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-07-07 10:39:04,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-07-07 10:39:04,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-07-07 10:39:04,721 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-07-07 10:39:04,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-07-07 10:39:04,721 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-07-07 10:39:04,721 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-07-07 10:39:04,721 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-07-07 10:39:04,722 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 513 519) the Hoare annotation is: true [2020-07-07 10:39:04,722 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 513 519) no Hoare annotation was computed. [2020-07-07 10:39:04,722 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 520 528) no Hoare annotation was computed. [2020-07-07 10:39:04,722 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 520 528) the Hoare annotation is: true [2020-07-07 10:39:04,722 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 520 528) no Hoare annotation was computed. [2020-07-07 10:39:04,723 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 605 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:39:04,723 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2020-07-07 10:39:04,723 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2020-07-07 10:39:04,723 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:39:04,723 INFO L264 CegarLoopResult]: At program point L617-1(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:39:04,724 INFO L268 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2020-07-07 10:39:04,724 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2020-07-07 10:39:04,724 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-07 10:39:04,724 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:39:04,724 INFO L264 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:39:04,724 INFO L264 CegarLoopResult]: At program point L611-1(line 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:39:04,725 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-07 10:39:04,725 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-07-07 10:39:04,725 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 563 586) no Hoare annotation was computed. [2020-07-07 10:39:04,725 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-07-07 10:39:04,725 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-07 10:39:04,725 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-07-07 10:39:04,725 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 563 586) no Hoare annotation was computed. [2020-07-07 10:39:04,726 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-07 10:39:04,726 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 563 586) no Hoare annotation was computed. [2020-07-07 10:39:04,726 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-07 10:39:04,726 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-07-07 10:39:04,726 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-07 10:39:04,726 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-07 10:39:04,726 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-07 10:39:04,726 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-07 10:39:04,727 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-07-07 10:39:04,727 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-07-07 10:39:04,727 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 734) no Hoare annotation was computed. [2020-07-07 10:39:04,727 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 728 734) the Hoare annotation is: true [2020-07-07 10:39:04,727 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 761 768) no Hoare annotation was computed. [2020-07-07 10:39:04,727 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 761 768) no Hoare annotation was computed. [2020-07-07 10:39:04,727 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 761 768) no Hoare annotation was computed. [2020-07-07 10:39:04,727 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 805 813) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 805 813) the Hoare annotation is: true [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 805 813) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point L833(lines 833 841) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point L821(lines 821 829) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point L821-2(lines 821 829) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 814 849) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 814 849) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 814 849) no Hoare annotation was computed. [2020-07-07 10:39:04,728 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 506 512) no Hoare annotation was computed. [2020-07-07 10:39:04,729 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 506 512) the Hoare annotation is: true [2020-07-07 10:39:04,729 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-07-07 10:39:04,729 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-07-07 10:39:04,729 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-07-07 10:39:04,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-07-07 10:39:04,729 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-07-07 10:39:04,729 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-07-07 10:39:04,730 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-07-07 10:39:04,730 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-07-07 10:39:04,730 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-07-07 10:39:04,730 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 595 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:39:04,730 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2020-07-07 10:39:04,730 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2020-07-07 10:39:04,730 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 794 804) the Hoare annotation is: true [2020-07-07 10:39:04,730 INFO L271 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: true [2020-07-07 10:39:04,730 INFO L268 CegarLoopResult]: For program point L799-1(line 799) no Hoare annotation was computed. [2020-07-07 10:39:04,730 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 794 804) no Hoare annotation was computed. [2020-07-07 10:39:04,731 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 794 804) no Hoare annotation was computed. [2020-07-07 10:39:04,731 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 786 793) the Hoare annotation is: true [2020-07-07 10:39:04,731 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2020-07-07 10:39:04,731 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 786 793) no Hoare annotation was computed. [2020-07-07 10:39:04,731 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 736 760) no Hoare annotation was computed. [2020-07-07 10:39:04,731 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 736 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,731 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,731 INFO L268 CegarLoopResult]: For program point L755-1(lines 736 760) no Hoare annotation was computed. [2020-07-07 10:39:04,731 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,732 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,732 INFO L268 CegarLoopResult]: For program point L744(lines 744 752) no Hoare annotation was computed. [2020-07-07 10:39:04,732 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,732 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-07-07 10:39:04,732 INFO L268 CegarLoopResult]: For program point L740(lines 740 757) no Hoare annotation was computed. [2020-07-07 10:39:04,732 INFO L264 CegarLoopResult]: At program point testENTRY(lines 630 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:39:04,732 INFO L268 CegarLoopResult]: For program point testFINAL(lines 630 695) no Hoare annotation was computed. [2020-07-07 10:39:04,733 INFO L264 CegarLoopResult]: At program point L688(lines 639 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-07 10:39:04,733 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-07 10:39:04,733 INFO L264 CegarLoopResult]: At program point L678-2(lines 670 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0))) [2020-07-07 10:39:04,733 INFO L268 CegarLoopResult]: For program point L641(lines 640 687) no Hoare annotation was computed. [2020-07-07 10:39:04,733 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0))) [2020-07-07 10:39:04,733 INFO L268 CegarLoopResult]: For program point L670(lines 670 683) no Hoare annotation was computed. [2020-07-07 10:39:04,733 INFO L264 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0))) [2020-07-07 10:39:04,734 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-07-07 10:39:04,734 INFO L268 CegarLoopResult]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2020-07-07 10:39:04,734 INFO L264 CegarLoopResult]: At program point L685(lines 640 687) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0))) [2020-07-07 10:39:04,734 INFO L264 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0))) [2020-07-07 10:39:04,734 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-07-07 10:39:04,734 INFO L268 CegarLoopResult]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2020-07-07 10:39:04,734 INFO L268 CegarLoopResult]: For program point testEXIT(lines 630 695) no Hoare annotation was computed. [2020-07-07 10:39:04,734 INFO L268 CegarLoopResult]: For program point L642(lines 642 646) no Hoare annotation was computed. [2020-07-07 10:39:04,735 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-07-07 10:39:04,735 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-07-07 10:39:04,735 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-07-07 10:39:04,735 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-07-07 10:39:04,735 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-07-07 10:39:04,735 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-07-07 10:39:04,735 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-07-07 10:39:04,735 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-07-07 10:39:04,735 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-07-07 10:39:04,736 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-07-07 10:39:04,736 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-07-07 10:39:04,736 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-07-07 10:39:04,736 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-07-07 10:39:04,736 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-07-07 10:39:04,736 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-07-07 10:39:04,736 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-07-07 10:39:04,736 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-07-07 10:39:04,736 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-07-07 10:39:04,737 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-07-07 10:39:04,737 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-07-07 10:39:04,737 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-07-07 10:39:04,737 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-07-07 10:39:04,737 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-07-07 10:39:04,737 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-07-07 10:39:04,737 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-07-07 10:39:04,737 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-07-07 10:39:04,738 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-07-07 10:39:04,738 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 496 505) no Hoare annotation was computed. [2020-07-07 10:39:04,738 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 496 505) no Hoare annotation was computed. [2020-07-07 10:39:04,738 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 496 505) no Hoare annotation was computed. [2020-07-07 10:39:04,738 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:39:04,739 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:39:04,739 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:39:04,739 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-07-07 10:39:04,739 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 769 785) no Hoare annotation was computed. [2020-07-07 10:39:04,739 INFO L268 CegarLoopResult]: For program point L780-1(lines 769 785) no Hoare annotation was computed. [2020-07-07 10:39:04,739 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 769 785) no Hoare annotation was computed. [2020-07-07 10:39:04,739 INFO L268 CegarLoopResult]: For program point L776(lines 776 782) no Hoare annotation was computed. [2020-07-07 10:39:04,739 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-07-07 10:39:04,740 INFO L268 CegarLoopResult]: For program point L774-1(line 774) no Hoare annotation was computed. [2020-07-07 10:39:04,740 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-07-07 10:39:04,740 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-07-07 10:39:04,740 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-07-07 10:39:04,740 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,740 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-07-07 10:39:04,740 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-07-07 10:39:04,740 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:39:04,740 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:39:04,741 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:39:04,741 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-07-07 10:39:04,741 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-07-07 10:39:04,741 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-07-07 10:39:04,741 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 704 727) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,741 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,741 INFO L264 CegarLoopResult]: At program point L715(lines 715 721) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,742 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 704 727) no Hoare annotation was computed. [2020-07-07 10:39:04,742 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 704 727) no Hoare annotation was computed. [2020-07-07 10:39:04,742 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,742 INFO L268 CegarLoopResult]: For program point L708(lines 707 726) no Hoare annotation was computed. [2020-07-07 10:39:04,742 INFO L271 CegarLoopResult]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2020-07-07 10:39:04,742 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2020-07-07 10:39:04,742 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-07-07 10:39:04,742 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2020-07-07 10:39:04,743 INFO L271 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2020-07-07 10:39:04,743 INFO L271 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: true [2020-07-07 10:39:04,743 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-07-07 10:39:04,743 INFO L271 CegarLoopResult]: At program point L557(lines 532 561) the Hoare annotation is: true [2020-07-07 10:39:04,743 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-07 10:39:04,743 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-07-07 10:39:04,743 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-07-07 10:39:04,743 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-07-07 10:39:04,744 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-07-07 10:39:04,744 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2020-07-07 10:39:04,744 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2020-07-07 10:39:04,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:39:04,744 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-07 10:39:04,744 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:39:04,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:39:04,744 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-07 10:39:04,745 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-07 10:39:04,745 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-07 10:39:04,745 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-07-07 10:39:04,745 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-07-07 10:39:04,745 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,745 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2020-07-07 10:39:04,745 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-07-07 10:39:04,746 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2020-07-07 10:39:04,746 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2020-07-07 10:39:04,746 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-07-07 10:39:04,746 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 860 884) the Hoare annotation is: true [2020-07-07 10:39:04,746 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 860 884) no Hoare annotation was computed. [2020-07-07 10:39:04,746 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,746 INFO L268 CegarLoopResult]: For program point L872(lines 872 878) no Hoare annotation was computed. [2020-07-07 10:39:04,746 INFO L264 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:39:04,747 INFO L268 CegarLoopResult]: For program point L870-1(line 870) no Hoare annotation was computed. [2020-07-07 10:39:04,747 INFO L268 CegarLoopResult]: For program point L868(lines 868 881) no Hoare annotation was computed. [2020-07-07 10:39:04,747 INFO L268 CegarLoopResult]: For program point L868-1(lines 860 884) no Hoare annotation was computed. [2020-07-07 10:39:04,747 INFO L271 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: true [2020-07-07 10:39:04,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:39:04 BoogieIcfgContainer [2020-07-07 10:39:04,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:39:04,764 INFO L168 Benchmark]: Toolchain (without parser) took 20439.07 ms. Allocated memory was 146.3 MB in the beginning and 520.6 MB in the end (delta: 374.3 MB). Free memory was 101.6 MB in the beginning and 162.8 MB in the end (delta: -61.2 MB). Peak memory consumption was 364.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:39:04,765 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 10:39:04,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.00 ms. Allocated memory was 146.3 MB in the beginning and 206.6 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 175.2 MB in the end (delta: -73.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:39:04,766 INFO L168 Benchmark]: Boogie Preprocessor took 85.51 ms. Allocated memory is still 206.6 MB. Free memory was 175.2 MB in the beginning and 171.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:39:04,767 INFO L168 Benchmark]: RCFGBuilder took 1166.73 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 171.2 MB in the beginning and 201.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:39:04,768 INFO L168 Benchmark]: TraceAbstraction took 18535.28 ms. Allocated memory was 237.0 MB in the beginning and 520.6 MB in the end (delta: 283.6 MB). Free memory was 199.6 MB in the beginning and 170.7 MB in the end (delta: 28.9 MB). Peak memory consumption was 371.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:39:04,772 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.00 ms. Allocated memory was 146.3 MB in the beginning and 206.6 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 175.2 MB in the end (delta: -73.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.51 ms. Allocated memory is still 206.6 MB. Free memory was 175.2 MB in the beginning and 171.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.73 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 171.2 MB in the beginning and 201.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18535.28 ms. Allocated memory was 237.0 MB in the beginning and 520.6 MB in the end (delta: 283.6 MB). Free memory was 199.6 MB in the beginning and 170.7 MB in the end (delta: 28.9 MB). Peak memory consumption was 371.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 419 SDtfs, 582 SDslu, 290 SDs, 0 SdLazy, 1526 SolverSat, 393 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 245 PreInvPairs, 275 NumberOfFragments, 722 HoareAnnotationTreeSize, 245 FomulaSimplifications, 39762 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 50 FomulaSimplificationsInter, 8643 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 75970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...