/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_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:46:17,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:46:17,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:46:17,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:46:17,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:46:17,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:46:17,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:46:17,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:46:17,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:46:17,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:46:17,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:46:17,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:46:17,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:46:17,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:46:17,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:46:17,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:46:17,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:46:17,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:46:17,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:46:17,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:46:17,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:46:17,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:46:17,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:46:17,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:46:17,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:46:17,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:46:17,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:46:17,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:46:17,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:46:17,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:46:17,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:46:17,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:46:17,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:46:17,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:46:17,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:46:17,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:46:17,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:46:17,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:46:17,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:46:17,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:46:17,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:46:17,107 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 10:46:17,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:46:17,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:46:17,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:46:17,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:46:17,122 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:46:17,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:46:17,122 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:46:17,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:46:17,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:46:17,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:46:17,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:46:17,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:46:17,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:46:17,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:46:17,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:46:17,124 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:46:17,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:46:17,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:46:17,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:46:17,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:46:17,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:46:17,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:46:17,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:46:17,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:46:17,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:46:17,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:46:17,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:46:17,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:46:17,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:46:17,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:46:17,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:46:17,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:46:17,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:46:17,425 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:46:17,426 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:46:17,426 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-07-07 10:46:17,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6a88164/b8bc785eef2a463990919adcdc1bc1bf/FLAG305c31316 [2020-07-07 10:46:18,000 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:46:18,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-07-07 10:46:18,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6a88164/b8bc785eef2a463990919adcdc1bc1bf/FLAG305c31316 [2020-07-07 10:46:18,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6a88164/b8bc785eef2a463990919adcdc1bc1bf [2020-07-07 10:46:18,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:46:18,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:46:18,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:46:18,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:46:18,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:46:18,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:46:18" (1/1) ... [2020-07-07 10:46:18,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b625b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18, skipping insertion in model container [2020-07-07 10:46:18,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:46:18" (1/1) ... [2020-07-07 10:46:18,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:46:18,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:46:18,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:46:18,691 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:46:18,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:46:18,904 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:46:18,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18 WrapperNode [2020-07-07 10:46:18,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:46:18,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:46:18,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:46:18,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:46:18,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18" (1/1) ... [2020-07-07 10:46:18,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18" (1/1) ... [2020-07-07 10:46:18,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18" (1/1) ... [2020-07-07 10:46:18,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18" (1/1) ... [2020-07-07 10:46:18,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18" (1/1) ... [2020-07-07 10:46:18,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18" (1/1) ... [2020-07-07 10:46:19,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18" (1/1) ... [2020-07-07 10:46:19,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:46:19,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:46:19,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:46:19,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:46:19,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18" (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 10:46:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:46:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:46:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:46:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:46:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:46:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:46:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:46:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:46:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:46:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:46:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:46:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:46:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:46:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:46:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:46:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:46:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:46:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:46:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:46:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:46:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:46:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:46:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:46:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:46:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:46:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:46:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:46:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:46:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:46:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:46:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:46:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:46:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:46:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:46:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:46:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:46:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:46:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:46:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:46:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:46:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:46:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:46:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:46:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:46:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:46:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:46:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:46:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:46:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:46:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:46:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:46:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:46:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:46:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:46:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:46:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:46:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:46:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:46:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:46:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:46:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:46:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:46:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:46:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:46:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:46:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:46:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:46:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:46:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:46:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:46:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:46:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:46:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:46:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:46:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:46:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:46:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:46:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:46:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:46:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:46:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:46:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:46:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:46:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:46:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:46:20,220 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:46:20,221 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:46:20,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:46:20 BoogieIcfgContainer [2020-07-07 10:46:20,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:46:20,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:46:20,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:46:20,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:46:20,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:46:18" (1/3) ... [2020-07-07 10:46:20,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a5c7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:46:20, skipping insertion in model container [2020-07-07 10:46:20,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:18" (2/3) ... [2020-07-07 10:46:20,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a5c7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:46:20, skipping insertion in model container [2020-07-07 10:46:20,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:46:20" (3/3) ... [2020-07-07 10:46:20,236 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2020-07-07 10:46:20,247 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:46:20,255 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:46:20,270 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:46:20,297 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:46:20,297 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:46:20,297 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:46:20,297 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:46:20,298 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:46:20,298 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:46:20,298 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:46:20,298 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:46:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-07-07 10:46:20,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:46:20,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:20,333 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 10:46:20,333 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:20,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:20,339 INFO L82 PathProgramCache]: Analyzing trace with hash 384818270, now seen corresponding path program 1 times [2020-07-07 10:46:20,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:20,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289126200] [2020-07-07 10:46:20,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,039 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,120 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 10:46:21,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289126200] [2020-07-07 10:46:21,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:21,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:46:21,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212383002] [2020-07-07 10:46:21,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:46:21,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:21,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:46:21,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:46:21,157 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2020-07-07 10:46:22,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:22,307 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2020-07-07 10:46:22,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:46:22,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:46:22,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:22,323 INFO L225 Difference]: With dead ends: 285 [2020-07-07 10:46:22,324 INFO L226 Difference]: Without dead ends: 154 [2020-07-07 10:46:22,328 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 10:46:22,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-07 10:46:22,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2020-07-07 10:46:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-07-07 10:46:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2020-07-07 10:46:22,420 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2020-07-07 10:46:22,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:22,421 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2020-07-07 10:46:22,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:46:22,422 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2020-07-07 10:46:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:46:22,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:22,426 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 10:46:22,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:46:22,426 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:22,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:22,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1404738686, now seen corresponding path program 1 times [2020-07-07 10:46:22,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:22,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944308805] [2020-07-07 10:46:22,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,771 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,812 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 10:46:22,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944308805] [2020-07-07 10:46:22,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:22,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:46:22,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775442105] [2020-07-07 10:46:22,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:46:22,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:22,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:46:22,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:46:22,816 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 4 states. [2020-07-07 10:46:23,260 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:23,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:23,979 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2020-07-07 10:46:23,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:46:23,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:46:23,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:23,982 INFO L225 Difference]: With dead ends: 218 [2020-07-07 10:46:23,982 INFO L226 Difference]: Without dead ends: 138 [2020-07-07 10:46:23,984 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 10:46:23,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-07 10:46:24,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-07-07 10:46:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-07-07 10:46:24,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-07-07 10:46:24,020 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2020-07-07 10:46:24,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:24,021 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-07-07 10:46:24,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:46:24,021 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-07-07 10:46:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:46:24,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:24,023 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] [2020-07-07 10:46:24,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:46:24,024 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:24,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:24,024 INFO L82 PathProgramCache]: Analyzing trace with hash -166841959, now seen corresponding path program 1 times [2020-07-07 10:46:24,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:24,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759067625] [2020-07-07 10:46:24,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:24,336 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:24,417 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 10:46:24,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759067625] [2020-07-07 10:46:24,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:24,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:46:24,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283163902] [2020-07-07 10:46:24,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:46:24,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:24,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:46:24,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:46:24,420 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 8 states. [2020-07-07 10:46:24,781 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:25,074 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:25,333 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:25,565 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:26,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:26,679 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2020-07-07 10:46:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:46:26,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-07 10:46:26,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:26,683 INFO L225 Difference]: With dead ends: 227 [2020-07-07 10:46:26,684 INFO L226 Difference]: Without dead ends: 138 [2020-07-07 10:46:26,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:26,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-07 10:46:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-07-07 10:46:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-07-07 10:46:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2020-07-07 10:46:26,715 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2020-07-07 10:46:26,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:26,716 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2020-07-07 10:46:26,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:46:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2020-07-07 10:46:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:46:26,718 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:26,719 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 10:46:26,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:46:26,719 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:26,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:26,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2128475140, now seen corresponding path program 1 times [2020-07-07 10:46:26,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:26,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289802573] [2020-07-07 10:46:26,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,015 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:27,152 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 10:46:27,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289802573] [2020-07-07 10:46:27,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:27,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:46:27,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459865680] [2020-07-07 10:46:27,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:27,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:27,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:27,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:27,155 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 12 states. [2020-07-07 10:46:27,603 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:27,917 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:28,173 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:28,419 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:28,938 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:30,207 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:30,585 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:30,887 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:31,179 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:46:31,416 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:31,715 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:32,001 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:32,267 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:33,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:33,262 INFO L93 Difference]: Finished difference Result 438 states and 579 transitions. [2020-07-07 10:46:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:46:33,264 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-07-07 10:46:33,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:33,272 INFO L225 Difference]: With dead ends: 438 [2020-07-07 10:46:33,273 INFO L226 Difference]: Without dead ends: 349 [2020-07-07 10:46:33,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:46:33,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-07-07 10:46:33,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 280. [2020-07-07 10:46:33,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-07 10:46:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 334 transitions. [2020-07-07 10:46:33,397 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 334 transitions. Word has length 64 [2020-07-07 10:46:33,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:33,399 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 334 transitions. [2020-07-07 10:46:33,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 334 transitions. [2020-07-07 10:46:33,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-07 10:46:33,403 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:33,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:46:33,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:46:33,404 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:33,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:33,404 INFO L82 PathProgramCache]: Analyzing trace with hash 319417616, now seen corresponding path program 1 times [2020-07-07 10:46:33,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:33,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577678871] [2020-07-07 10:46:33,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,674 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,756 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 10:46:33,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577678871] [2020-07-07 10:46:33,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:33,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:46:33,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344369832] [2020-07-07 10:46:33,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:46:33,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:33,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:46:33,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:46:33,759 INFO L87 Difference]: Start difference. First operand 280 states and 334 transitions. Second operand 6 states. [2020-07-07 10:46:34,102 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:34,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:34,601 INFO L93 Difference]: Finished difference Result 434 states and 537 transitions. [2020-07-07 10:46:34,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:46:34,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2020-07-07 10:46:34,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:34,605 INFO L225 Difference]: With dead ends: 434 [2020-07-07 10:46:34,605 INFO L226 Difference]: Without dead ends: 178 [2020-07-07 10:46:34,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:46:34,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-07-07 10:46:34,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2020-07-07 10:46:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-07 10:46:34,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2020-07-07 10:46:34,635 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 72 [2020-07-07 10:46:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:34,636 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2020-07-07 10:46:34,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:46:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2020-07-07 10:46:34,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-07 10:46:34,637 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:34,638 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:34,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:46:34,638 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:34,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:34,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1468087032, now seen corresponding path program 1 times [2020-07-07 10:46:34,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:34,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422650468] [2020-07-07 10:46:34,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,914 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-07 10:46:35,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422650468] [2020-07-07 10:46:35,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607962750] [2020-07-07 10:46:35,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:46:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,264 INFO L264 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:46:35,281 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:46:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:46:35,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:46:35,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:46:35,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051933557] [2020-07-07 10:46:35,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:35,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:35,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:35,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:35,407 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand 12 states. [2020-07-07 10:46:36,028 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:46:36,547 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:37,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:37,125 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2020-07-07 10:46:37,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:46:37,150 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 108 [2020-07-07 10:46:37,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:37,151 INFO L225 Difference]: With dead ends: 223 [2020-07-07 10:46:37,151 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:46:37,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:46:37,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:46:37,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:46:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:46:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:46:37,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2020-07-07 10:46:37,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:37,153 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:46:37,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:46:37,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:46:37,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:46:37,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:46:39,819 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-07 10:46:40,195 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:40,573 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:40,764 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:46:41,132 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:41,555 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:42,000 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:42,155 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:46:42,794 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2020-07-07 10:46:43,083 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:46:43,677 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 21 [2020-07-07 10:46:43,816 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-07-07 10:46:44,314 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-07 10:46:44,918 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-07-07 10:46:45,087 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:46:45,718 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-07 10:46:46,343 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-07 10:46:46,771 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:47,227 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:47,663 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:48,055 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:48,831 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-07 10:46:49,320 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-07 10:46:49,327 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-07 10:46:49,327 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 243) no Hoare annotation was computed. [2020-07-07 10:46:49,327 INFO L268 CegarLoopResult]: For program point L244(lines 221 245) no Hoare annotation was computed. [2020-07-07 10:46:49,327 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 197 252) no Hoare annotation was computed. [2020-07-07 10:46:49,327 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 197 252) no Hoare annotation was computed. [2020-07-07 10:46:49,327 INFO L268 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point L228-1(lines 228 232) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 197 252) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 253 312) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 304) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point L305(lines 278 306) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 253 312) no Hoare annotation was computed. [2020-07-07 10:46:49,328 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-07-07 10:46:49,329 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 253 312) no Hoare annotation was computed. [2020-07-07 10:46:49,329 INFO L268 CegarLoopResult]: For program point L298-1(line 298) no Hoare annotation was computed. [2020-07-07 10:46:49,329 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 599 605) the Hoare annotation is: true [2020-07-07 10:46:49,329 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-07 10:46:49,329 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 606 614) no Hoare annotation was computed. [2020-07-07 10:46:49,329 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 606 614) the Hoare annotation is: true [2020-07-07 10:46:49,329 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 606 614) no Hoare annotation was computed. [2020-07-07 10:46:49,329 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 912 936) the Hoare annotation is: true [2020-07-07 10:46:49,329 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:49,330 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-07-07 10:46:49,330 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:49,330 INFO L268 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-07-07 10:46:49,330 INFO L268 CegarLoopResult]: For program point L920(lines 920 933) no Hoare annotation was computed. [2020-07-07 10:46:49,330 INFO L268 CegarLoopResult]: For program point L920-1(lines 912 936) no Hoare annotation was computed. [2020-07-07 10:46:49,330 INFO L271 CegarLoopResult]: At program point L918(line 918) the Hoare annotation is: true [2020-07-07 10:46:49,330 INFO L268 CegarLoopResult]: For program point L918-1(line 918) no Hoare annotation was computed. [2020-07-07 10:46:49,330 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 912 936) no Hoare annotation was computed. [2020-07-07 10:46:49,331 INFO L268 CegarLoopResult]: For program point L898-1(lines 898 905) no Hoare annotation was computed. [2020-07-07 10:46:49,331 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-07-07 10:46:49,331 INFO L264 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:49,331 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:49,331 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 888 910) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:49,331 INFO L264 CegarLoopResult]: At program point L894-1(line 894) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:49,332 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 888 910) no Hoare annotation was computed. [2020-07-07 10:46:49,332 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 888 910) no Hoare annotation was computed. [2020-07-07 10:46:49,332 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (and (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:49,332 INFO L264 CegarLoopResult]: At program point L900-1(line 900) the Hoare annotation is: (or (and (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:49,332 INFO L268 CegarLoopResult]: For program point L898(lines 898 905) no Hoare annotation was computed. [2020-07-07 10:46:49,332 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-07 10:46:49,333 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-07 10:46:49,333 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2020-07-07 10:46:49,333 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-07 10:46:49,333 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-07 10:46:49,333 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-07 10:46:49,333 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2020-07-07 10:46:49,333 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-07 10:46:49,333 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2020-07-07 10:46:49,333 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-07 10:46:49,334 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-07 10:46:49,334 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-07 10:46:49,334 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-07 10:46:49,334 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-07 10:46:49,334 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-07 10:46:49,334 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-07 10:46:49,334 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-07 10:46:49,334 INFO L264 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:49,334 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:49,334 INFO L268 CegarLoopResult]: For program point L664(lines 664 672) no Hoare annotation was computed. [2020-07-07 10:46:49,334 INFO L264 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:49,334 INFO L268 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-07-07 10:46:49,335 INFO L268 CegarLoopResult]: For program point L660(lines 660 677) no Hoare annotation was computed. [2020-07-07 10:46:49,335 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 656 680) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:46:49,335 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 656 680) no Hoare annotation was computed. [2020-07-07 10:46:49,335 INFO L264 CegarLoopResult]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:46:49,335 INFO L268 CegarLoopResult]: For program point L675-1(lines 656 680) no Hoare annotation was computed. [2020-07-07 10:46:49,335 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 751 759) no Hoare annotation was computed. [2020-07-07 10:46:49,335 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 751 759) the Hoare annotation is: true [2020-07-07 10:46:49,335 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 751 759) no Hoare annotation was computed. [2020-07-07 10:46:49,335 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 796 814) the Hoare annotation is: true [2020-07-07 10:46:49,335 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 796 814) no Hoare annotation was computed. [2020-07-07 10:46:49,335 INFO L268 CegarLoopResult]: For program point L805(lines 805 809) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L271 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: true [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 809) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 796 814) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point L767(lines 767 775) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point L767-2(lines 767 775) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 760 795) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point L779(lines 779 787) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point L779-2(lines 779 787) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 760 795) no Hoare annotation was computed. [2020-07-07 10:46:49,336 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 760 795) no Hoare annotation was computed. [2020-07-07 10:46:49,337 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 592 598) no Hoare annotation was computed. [2020-07-07 10:46:49,337 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 592 598) the Hoare annotation is: true [2020-07-07 10:46:49,337 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 151 196) no Hoare annotation was computed. [2020-07-07 10:46:49,337 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 151 196) no Hoare annotation was computed. [2020-07-07 10:46:49,337 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 151 196) no Hoare annotation was computed. [2020-07-07 10:46:49,337 INFO L268 CegarLoopResult]: For program point L478(lines 478 498) no Hoare annotation was computed. [2020-07-07 10:46:49,337 INFO L268 CegarLoopResult]: For program point L478-1(lines 478 498) no Hoare annotation was computed. [2020-07-07 10:46:49,337 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 464 509) no Hoare annotation was computed. [2020-07-07 10:46:49,337 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 464 509) no Hoare annotation was computed. [2020-07-07 10:46:49,337 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 464 509) no Hoare annotation was computed. [2020-07-07 10:46:49,338 INFO L268 CegarLoopResult]: For program point L484(lines 484 491) no Hoare annotation was computed. [2020-07-07 10:46:49,338 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 878 887) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:49,338 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 878 887) no Hoare annotation was computed. [2020-07-07 10:46:49,338 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 878 887) no Hoare annotation was computed. [2020-07-07 10:46:49,338 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 740 750) the Hoare annotation is: true [2020-07-07 10:46:49,338 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 740 750) no Hoare annotation was computed. [2020-07-07 10:46:49,338 INFO L271 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: true [2020-07-07 10:46:49,338 INFO L268 CegarLoopResult]: For program point L745-1(line 745) no Hoare annotation was computed. [2020-07-07 10:46:49,338 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 740 750) no Hoare annotation was computed. [2020-07-07 10:46:49,338 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 732 739) the Hoare annotation is: true [2020-07-07 10:46:49,338 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 732 739) no Hoare annotation was computed. [2020-07-07 10:46:49,338 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 732 739) no Hoare annotation was computed. [2020-07-07 10:46:49,339 INFO L264 CegarLoopResult]: At program point L701(line 701) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:46:49,339 INFO L268 CegarLoopResult]: For program point L701-1(lines 682 706) no Hoare annotation was computed. [2020-07-07 10:46:49,339 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:49,339 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 682 706) no Hoare annotation was computed. [2020-07-07 10:46:49,339 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:49,339 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 682 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:46:49,339 INFO L268 CegarLoopResult]: For program point L690(lines 690 698) no Hoare annotation was computed. [2020-07-07 10:46:49,339 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:49,339 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-07-07 10:46:49,339 INFO L268 CegarLoopResult]: For program point L686(lines 686 703) no Hoare annotation was computed. [2020-07-07 10:46:49,340 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 648 654) no Hoare annotation was computed. [2020-07-07 10:46:49,340 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 648 654) the Hoare annotation is: true [2020-07-07 10:46:49,340 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:46:49,340 INFO L264 CegarLoopResult]: At program point testENTRY(lines 513 576) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:49,340 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-07-07 10:46:49,340 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2020-07-07 10:46:49,340 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:46:49,340 INFO L268 CegarLoopResult]: For program point testFINAL(lines 513 576) no Hoare annotation was computed. [2020-07-07 10:46:49,340 INFO L264 CegarLoopResult]: At program point L566(lines 523 568) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:46:49,340 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-07-07 10:46:49,341 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2020-07-07 10:46:49,341 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-07-07 10:46:49,341 INFO L264 CegarLoopResult]: At program point L569(lines 522 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:49,341 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-07-07 10:46:49,341 INFO L264 CegarLoopResult]: At program point L559-2(lines 553 564) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:46:49,341 INFO L268 CegarLoopResult]: For program point L524(lines 523 568) no Hoare annotation was computed. [2020-07-07 10:46:49,341 INFO L268 CegarLoopResult]: For program point L553(lines 553 564) no Hoare annotation was computed. [2020-07-07 10:46:49,341 INFO L268 CegarLoopResult]: For program point testEXIT(lines 513 576) no Hoare annotation was computed. [2020-07-07 10:46:49,341 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 418 463) no Hoare annotation was computed. [2020-07-07 10:46:49,342 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-07-07 10:46:49,342 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 418 463) no Hoare annotation was computed. [2020-07-07 10:46:49,342 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 418 463) no Hoare annotation was computed. [2020-07-07 10:46:49,342 INFO L268 CegarLoopResult]: For program point L432(lines 432 452) no Hoare annotation was computed. [2020-07-07 10:46:49,342 INFO L268 CegarLoopResult]: For program point L432-1(lines 432 452) no Hoare annotation was computed. [2020-07-07 10:46:49,342 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 707 714) no Hoare annotation was computed. [2020-07-07 10:46:49,342 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 707 714) no Hoare annotation was computed. [2020-07-07 10:46:49,342 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 707 714) no Hoare annotation was computed. [2020-07-07 10:46:49,343 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-07 10:46:49,343 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-07-07 10:46:49,343 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-07 10:46:49,343 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-07 10:46:49,343 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-07 10:46:49,343 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-07 10:46:49,343 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-07 10:46:49,343 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-07 10:46:49,344 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 315 417) no Hoare annotation was computed. [2020-07-07 10:46:49,344 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-07 10:46:49,344 INFO L268 CegarLoopResult]: For program point L380-1(line 380) no Hoare annotation was computed. [2020-07-07 10:46:49,344 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-07 10:46:49,344 INFO L268 CegarLoopResult]: For program point L403(lines 403 414) no Hoare annotation was computed. [2020-07-07 10:46:49,344 INFO L268 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-07-07 10:46:49,344 INFO L268 CegarLoopResult]: For program point L364-2(lines 364 384) no Hoare annotation was computed. [2020-07-07 10:46:49,344 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 315 417) no Hoare annotation was computed. [2020-07-07 10:46:49,345 INFO L268 CegarLoopResult]: For program point L385(lines 363 386) no Hoare annotation was computed. [2020-07-07 10:46:49,345 INFO L268 CegarLoopResult]: For program point L344(lines 344 360) no Hoare annotation was computed. [2020-07-07 10:46:49,345 INFO L268 CegarLoopResult]: For program point L404(lines 404 411) no Hoare annotation was computed. [2020-07-07 10:46:49,345 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 315 417) no Hoare annotation was computed. [2020-07-07 10:46:49,345 INFO L268 CegarLoopResult]: For program point L365(lines 364 384) no Hoare annotation was computed. [2020-07-07 10:46:49,345 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-07-07 10:46:49,345 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-07-07 10:46:49,345 INFO L268 CegarLoopResult]: For program point L361(lines 361 402) no Hoare annotation was computed. [2020-07-07 10:46:49,346 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 582 591) no Hoare annotation was computed. [2020-07-07 10:46:49,346 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 582 591) no Hoare annotation was computed. [2020-07-07 10:46:49,346 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 582 591) no Hoare annotation was computed. [2020-07-07 10:46:49,346 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:49,346 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 10:46:49,346 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:49,346 INFO L268 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-07-07 10:46:49,347 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-07-07 10:46:49,347 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 715 731) no Hoare annotation was computed. [2020-07-07 10:46:49,347 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 715 731) no Hoare annotation was computed. [2020-07-07 10:46:49,347 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-07-07 10:46:49,347 INFO L268 CegarLoopResult]: For program point L726-1(lines 715 731) no Hoare annotation was computed. [2020-07-07 10:46:49,347 INFO L268 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-07-07 10:46:49,347 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-07 10:46:49,347 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-07 10:46:49,347 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-07 10:46:49,348 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-07 10:46:49,348 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-07 10:46:49,348 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-07 10:46:49,348 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:49,348 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:46:49,348 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:49,348 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-07 10:46:49,348 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-07 10:46:49,349 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-07 10:46:49,349 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:46:49,349 INFO L264 CegarLoopResult]: At program point L635(lines 635 641) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:46:49,349 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:46:49,349 INFO L268 CegarLoopResult]: For program point L628(lines 627 646) no Hoare annotation was computed. [2020-07-07 10:46:49,350 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 624 647) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:46:49,350 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 624 647) no Hoare annotation was computed. [2020-07-07 10:46:49,350 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 624 647) no Hoare annotation was computed. [2020-07-07 10:46:49,350 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2020-07-07 10:46:49,350 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-07 10:46:49,350 INFO L271 CegarLoopResult]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2020-07-07 10:46:49,350 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2020-07-07 10:46:49,350 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-07 10:46:49,350 INFO L271 CegarLoopResult]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2020-07-07 10:46:49,351 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-07-07 10:46:49,351 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-07 10:46:49,351 INFO L271 CegarLoopResult]: At program point L842(lines 817 846) the Hoare annotation is: true [2020-07-07 10:46:49,351 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-07 10:46:49,351 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-07-07 10:46:49,351 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-07 10:46:49,351 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-07 10:46:49,351 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2020-07-07 10:46:49,352 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2020-07-07 10:46:49,352 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:49,352 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:46:49,352 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:46:49,352 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:49,352 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-07 10:46:49,352 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-07 10:46:49,353 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:46:49,353 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 136 143) no Hoare annotation was computed. [2020-07-07 10:46:49,353 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-07-07 10:46:49,353 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 136 143) the Hoare annotation is: true [2020-07-07 10:46:49,353 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 136 143) no Hoare annotation was computed. [2020-07-07 10:46:49,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:46:49 BoogieIcfgContainer [2020-07-07 10:46:49,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:46:49,374 INFO L168 Benchmark]: Toolchain (without parser) took 31044.61 ms. Allocated memory was 138.9 MB in the beginning and 642.8 MB in the end (delta: 503.8 MB). Free memory was 103.3 MB in the beginning and 454.1 MB in the end (delta: -350.8 MB). Peak memory consumption was 498.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:49,375 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:46:49,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.49 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 103.1 MB in the beginning and 173.8 MB in the end (delta: -70.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:49,377 INFO L168 Benchmark]: Boogie Preprocessor took 111.01 ms. Allocated memory is still 203.4 MB. Free memory was 173.8 MB in the beginning and 168.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:49,378 INFO L168 Benchmark]: RCFGBuilder took 1209.73 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 198.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:49,379 INFO L168 Benchmark]: TraceAbstraction took 29144.59 ms. Allocated memory was 236.5 MB in the beginning and 642.8 MB in the end (delta: 406.3 MB). Free memory was 198.6 MB in the beginning and 454.1 MB in the end (delta: -255.5 MB). Peak memory consumption was 496.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:49,382 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 574.49 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 103.1 MB in the beginning and 173.8 MB in the end (delta: -70.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.01 ms. Allocated memory is still 203.4 MB. Free memory was 173.8 MB in the beginning and 168.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1209.73 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 198.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29144.59 ms. Allocated memory was 236.5 MB in the beginning and 642.8 MB in the end (delta: 406.3 MB). Free memory was 198.6 MB in the beginning and 454.1 MB in the end (delta: -255.5 MB). Peak memory consumption was 496.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 571 SDtfs, 1230 SDslu, 393 SDs, 0 SdLazy, 2547 SolverSat, 789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 298 GetRequests, 236 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 412 PreInvPairs, 432 NumberOfFragments, 1117 HoareAnnotationTreeSize, 412 FomulaSimplifications, 41829 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 57 FomulaSimplificationsInter, 9828 FormulaSimplificationTreeSizeReductionInter, 10.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 496 NumberOfCodeBlocks, 496 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 489 ConstructedInterpolants, 0 QuantifiedInterpolants, 143010 SizeOfPredicates, 3 NumberOfNonLiveVariables, 766 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 63/72 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...