/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_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:45:10,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:45:10,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:45:10,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:45:10,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:45:10,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:45:11,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:45:11,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:45:11,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:45:11,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:45:11,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:45:11,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:45:11,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:45:11,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:45:11,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:45:11,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:45:11,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:45:11,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:45:11,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:45:11,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:45:11,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:45:11,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:45:11,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:45:11,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:45:11,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:45:11,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:45:11,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:45:11,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:45:11,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:45:11,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:45:11,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:45:11,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:45:11,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:45:11,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:45:11,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:45:11,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:45:11,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:45:11,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:45:11,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:45:11,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:45:11,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:45:11,052 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 10:45:11,079 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:45:11,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:45:11,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:45:11,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:45:11,082 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:45:11,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:45:11,082 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:45:11,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:45:11,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:45:11,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:45:11,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:45:11,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:45:11,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:45:11,085 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:45:11,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:45:11,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:45:11,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:45:11,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:45:11,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:45:11,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:45:11,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:45:11,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:45:11,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:45:11,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:45:11,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:45:11,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:45:11,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:45:11,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:45:11,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:45:11,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:45:11,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:45:11,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:45:11,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:45:11,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:45:11,406 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:45:11,406 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-07-07 10:45:11,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b526df38c/c7ef5a3baca4465480449ffda0de2b1b/FLAG52d8ebb95 [2020-07-07 10:45:12,007 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:45:12,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-07-07 10:45:12,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b526df38c/c7ef5a3baca4465480449ffda0de2b1b/FLAG52d8ebb95 [2020-07-07 10:45:12,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b526df38c/c7ef5a3baca4465480449ffda0de2b1b [2020-07-07 10:45:12,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:45:12,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:45:12,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:12,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:45:12,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:45:12,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:12" (1/1) ... [2020-07-07 10:45:12,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de56935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:12, skipping insertion in model container [2020-07-07 10:45:12,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:12" (1/1) ... [2020-07-07 10:45:12,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:45:12,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:45:12,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:12,874 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:45:12,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:13,004 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:45:13,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13 WrapperNode [2020-07-07 10:45:13,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:13,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:45:13,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:45:13,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:45:13,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13" (1/1) ... [2020-07-07 10:45:13,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13" (1/1) ... [2020-07-07 10:45:13,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13" (1/1) ... [2020-07-07 10:45:13,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13" (1/1) ... [2020-07-07 10:45:13,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13" (1/1) ... [2020-07-07 10:45:13,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13" (1/1) ... [2020-07-07 10:45:13,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13" (1/1) ... [2020-07-07 10:45:13,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:45:13,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:45:13,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:45:13,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:45:13,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13" (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 10:45:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:45:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:45:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:45:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:45:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:45:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:45:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:45:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:45:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:45:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:45:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:45:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:45:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:45:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:45:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:45:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:45:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:45:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:45:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:45:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:45:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:45:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:45:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:45:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:45:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:45:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:45:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:45:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:45:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:45:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:45:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:45:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:45:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:45:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:45:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:45:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:45:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:45:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:45:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:45:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:45:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:45:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:45:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:45:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:45:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:45:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:45:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:45:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:45:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:45:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:45:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:45:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:45:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:45:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:45:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:45:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:45:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:45:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:45:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:45:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:45:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:45:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:45:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:45:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:45:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:45:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:45:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:45:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:45:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:45:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:45:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:45:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:45:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:45:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:45:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:45:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:45:14,297 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:45:14,297 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:45:14,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:14 BoogieIcfgContainer [2020-07-07 10:45:14,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:45:14,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:45:14,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:45:14,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:45:14,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:45:12" (1/3) ... [2020-07-07 10:45:14,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd36a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:14, skipping insertion in model container [2020-07-07 10:45:14,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:13" (2/3) ... [2020-07-07 10:45:14,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd36a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:14, skipping insertion in model container [2020-07-07 10:45:14,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:14" (3/3) ... [2020-07-07 10:45:14,311 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-07-07 10:45:14,323 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:45:14,331 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:45:14,346 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:45:14,371 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:45:14,372 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:45:14,372 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:45:14,372 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:45:14,373 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:45:14,373 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:45:14,373 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:45:14,374 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:45:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-07 10:45:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:45:14,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:14,408 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 10:45:14,409 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:14,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:14,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1908164491, now seen corresponding path program 1 times [2020-07-07 10:45:14,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:14,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481097294] [2020-07-07 10:45:14,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:15,038 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:15,148 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 10:45:15,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481097294] [2020-07-07 10:45:15,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:15,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:45:15,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495204246] [2020-07-07 10:45:15,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:45:15,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:15,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:45:15,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:45:15,177 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-07-07 10:45:16,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:16,250 INFO L93 Difference]: Finished difference Result 257 states and 340 transitions. [2020-07-07 10:45:16,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:45:16,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:45:16,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:16,267 INFO L225 Difference]: With dead ends: 257 [2020-07-07 10:45:16,267 INFO L226 Difference]: Without dead ends: 140 [2020-07-07 10:45:16,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:45:16,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-07 10:45:16,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 108. [2020-07-07 10:45:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-07 10:45:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-07-07 10:45:16,354 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2020-07-07 10:45:16,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:16,355 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-07-07 10:45:16,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:45:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-07-07 10:45:16,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:45:16,359 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:16,359 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 10:45:16,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:45:16,360 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:16,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:16,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1100286526, now seen corresponding path program 1 times [2020-07-07 10:45:16,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:16,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897155147] [2020-07-07 10:45:16,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,730 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,800 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 10:45:16,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897155147] [2020-07-07 10:45:16,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:16,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:45:16,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880630475] [2020-07-07 10:45:16,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:45:16,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:16,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:45:16,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:45:16,804 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 4 states. [2020-07-07 10:45:17,299 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:17,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:17,904 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2020-07-07 10:45:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:45:17,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:45:17,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:17,907 INFO L225 Difference]: With dead ends: 184 [2020-07-07 10:45:17,907 INFO L226 Difference]: Without dead ends: 124 [2020-07-07 10:45:17,909 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 10:45:17,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-07 10:45:17,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 99. [2020-07-07 10:45:17,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-07 10:45:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-07-07 10:45:17,941 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2020-07-07 10:45:17,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:17,941 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-07-07 10:45:17,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:45:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-07-07 10:45:17,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:45:17,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:17,944 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 10:45:17,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:45:17,944 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:17,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:17,945 INFO L82 PathProgramCache]: Analyzing trace with hash 418725032, now seen corresponding path program 1 times [2020-07-07 10:45:17,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:17,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944378118] [2020-07-07 10:45:17,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,256 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,381 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 10:45:18,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944378118] [2020-07-07 10:45:18,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:18,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:45:18,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325483409] [2020-07-07 10:45:18,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:45:18,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:18,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:45:18,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:45:18,385 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 8 states. [2020-07-07 10:45:18,777 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:19,088 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:19,316 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:19,556 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:20,305 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:21,628 INFO L93 Difference]: Finished difference Result 345 states and 428 transitions. [2020-07-07 10:45:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:45:21,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-07 10:45:21,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:21,633 INFO L225 Difference]: With dead ends: 345 [2020-07-07 10:45:21,633 INFO L226 Difference]: Without dead ends: 270 [2020-07-07 10:45:21,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:45:21,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-07-07 10:45:21,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 216. [2020-07-07 10:45:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-07 10:45:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2020-07-07 10:45:21,703 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2020-07-07 10:45:21,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:21,703 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2020-07-07 10:45:21,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:45:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2020-07-07 10:45:21,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:45:21,706 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:21,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:21,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:45:21,707 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:21,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:21,707 INFO L82 PathProgramCache]: Analyzing trace with hash 2030555279, now seen corresponding path program 1 times [2020-07-07 10:45:21,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:21,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311950615] [2020-07-07 10:45:21,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:22,010 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:22,139 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 10:45:22,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311950615] [2020-07-07 10:45:22,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:22,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:45:22,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380161385] [2020-07-07 10:45:22,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:45:22,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:22,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:45:22,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:45:22,141 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand 12 states. [2020-07-07 10:45:22,606 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:22,958 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:23,198 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:23,442 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:24,009 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:24,832 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:25,209 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:25,524 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:25,760 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:26,007 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:26,324 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:26,647 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:26,953 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:28,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:28,102 INFO L93 Difference]: Finished difference Result 855 states and 1150 transitions. [2020-07-07 10:45:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:45:28,105 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-07 10:45:28,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:28,114 INFO L225 Difference]: With dead ends: 855 [2020-07-07 10:45:28,115 INFO L226 Difference]: Without dead ends: 663 [2020-07-07 10:45:28,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:45:28,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2020-07-07 10:45:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 570. [2020-07-07 10:45:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-07-07 10:45:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 706 transitions. [2020-07-07 10:45:28,286 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 706 transitions. Word has length 57 [2020-07-07 10:45:28,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:28,287 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 706 transitions. [2020-07-07 10:45:28,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:45:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 706 transitions. [2020-07-07 10:45:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-07 10:45:28,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:28,292 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] [2020-07-07 10:45:28,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:45:28,292 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:28,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:28,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1547213643, now seen corresponding path program 1 times [2020-07-07 10:45:28,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:28,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712902453] [2020-07-07 10:45:28,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,579 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:28,683 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 10:45:28,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712902453] [2020-07-07 10:45:28,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:28,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:45:28,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314227628] [2020-07-07 10:45:28,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:45:28,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:28,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:45:28,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:45:28,686 INFO L87 Difference]: Start difference. First operand 570 states and 706 transitions. Second operand 6 states. [2020-07-07 10:45:29,007 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:29,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:29,823 INFO L93 Difference]: Finished difference Result 961 states and 1237 transitions. [2020-07-07 10:45:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:45:29,823 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-07 10:45:29,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:29,827 INFO L225 Difference]: With dead ends: 961 [2020-07-07 10:45:29,827 INFO L226 Difference]: Without dead ends: 415 [2020-07-07 10:45:29,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:45:29,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-07-07 10:45:29,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2020-07-07 10:45:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-07 10:45:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2020-07-07 10:45:29,902 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2020-07-07 10:45:29,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:29,902 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2020-07-07 10:45:29,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:45:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2020-07-07 10:45:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:45:29,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:29,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:45:29,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:45:29,906 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:29,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:29,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1956269670, now seen corresponding path program 1 times [2020-07-07 10:45:29,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:29,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88027260] [2020-07-07 10:45:29,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,170 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 10:45:30,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88027260] [2020-07-07 10:45:30,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518802322] [2020-07-07 10:45:30,365 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 10:45:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:30,558 INFO L264 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:45:30,569 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:45:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:45:30,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:45:30,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:45:30,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732925973] [2020-07-07 10:45:30,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:45:30,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:30,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:45:30,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:45:30,697 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 12 states. [2020-07-07 10:45:31,473 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:45:32,033 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:32,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:32,918 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2020-07-07 10:45:32,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:45:32,918 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-07 10:45:32,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:32,919 INFO L225 Difference]: With dead ends: 522 [2020-07-07 10:45:32,920 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:45:32,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:45:32,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:45:32,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:45:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:45:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:45:32,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-07-07 10:45:32,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:32,923 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:45:32,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:45:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:45:32,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:45:33,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:45:33,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:45:34,403 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 19 [2020-07-07 10:45:37,292 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:45:37,673 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:38,297 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:45:38,439 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:45:39,069 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-07 10:45:39,529 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:39,904 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:40,091 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:40,233 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:45:40,866 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 20 [2020-07-07 10:45:41,558 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 18 [2020-07-07 10:45:42,232 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-07-07 10:45:42,376 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:45:42,570 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:45:42,999 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:43,412 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:43,901 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:44,407 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 10:45:44,912 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:45:45,408 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:45:45,868 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-07 10:45:45,873 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-07 10:45:45,873 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2020-07-07 10:45:45,874 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-07-07 10:45:45,874 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2020-07-07 10:45:45,874 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2020-07-07 10:45:45,874 INFO L268 CegarLoopResult]: For program point L398(lines 375 399) no Hoare annotation was computed. [2020-07-07 10:45:45,874 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2020-07-07 10:45:45,874 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2020-07-07 10:45:45,874 INFO L268 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-07-07 10:45:45,874 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2020-07-07 10:45:45,875 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2020-07-07 10:45:45,875 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-07 10:45:45,875 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2020-07-07 10:45:45,875 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2020-07-07 10:45:45,875 INFO L268 CegarLoopResult]: For program point L459(lines 432 460) no Hoare annotation was computed. [2020-07-07 10:45:45,875 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2020-07-07 10:45:45,875 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 10:45:45,875 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-07 10:45:45,876 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-07 10:45:45,876 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-07 10:45:45,876 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:45:45,876 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-07 10:45:45,876 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:45:45,877 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:45:45,877 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 273 297) the Hoare annotation is: true [2020-07-07 10:45:45,877 INFO L268 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2020-07-07 10:45:45,877 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:45:45,877 INFO L268 CegarLoopResult]: For program point L283-1(line 283) no Hoare annotation was computed. [2020-07-07 10:45:45,877 INFO L268 CegarLoopResult]: For program point L281(lines 281 294) no Hoare annotation was computed. [2020-07-07 10:45:45,878 INFO L268 CegarLoopResult]: For program point L281-1(lines 273 297) no Hoare annotation was computed. [2020-07-07 10:45:45,878 INFO L271 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: true [2020-07-07 10:45:45,878 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-07-07 10:45:45,878 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 273 297) no Hoare annotation was computed. [2020-07-07 10:45:45,878 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:45:45,878 INFO L264 CegarLoopResult]: At program point L161-1(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:45:45,879 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 155 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:45:45,879 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2020-07-07 10:45:45,879 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2020-07-07 10:45:45,879 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:45,879 INFO L264 CegarLoopResult]: At program point L167-1(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:45,879 INFO L268 CegarLoopResult]: For program point L165(lines 165 172) no Hoare annotation was computed. [2020-07-07 10:45:45,880 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2020-07-07 10:45:45,880 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-07 10:45:45,880 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:45:45,880 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-07 10:45:45,880 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-07 10:45:45,880 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2020-07-07 10:45:45,880 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-07 10:45:45,881 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-07 10:45:45,881 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-07-07 10:45:45,881 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2020-07-07 10:45:45,881 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-07 10:45:45,881 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2020-07-07 10:45:45,881 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-07 10:45:45,881 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-07 10:45:45,882 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-07 10:45:45,882 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-07 10:45:45,882 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-07-07 10:45:45,882 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 10:45:45,884 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-07 10:45:45,884 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-07 10:45:45,884 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 867 881) no Hoare annotation was computed. [2020-07-07 10:45:45,884 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:45:45,885 INFO L268 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-07-07 10:45:45,885 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 867 881) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:45:45,885 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 867 881) no Hoare annotation was computed. [2020-07-07 10:45:45,885 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 822 830) no Hoare annotation was computed. [2020-07-07 10:45:45,885 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 822 830) the Hoare annotation is: true [2020-07-07 10:45:45,885 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 822 830) no Hoare annotation was computed. [2020-07-07 10:45:45,885 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point L861-1(line 861) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point L850(lines 850 858) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point L850-2(lines 850 858) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 831 866) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 831 866) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point L838(lines 838 846) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 831 866) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-07 10:45:45,886 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-07 10:45:45,886 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2020-07-07 10:45:45,887 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2020-07-07 10:45:45,887 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2020-07-07 10:45:45,887 INFO L268 CegarLoopResult]: For program point L638(lines 638 645) no Hoare annotation was computed. [2020-07-07 10:45:45,887 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2020-07-07 10:45:45,887 INFO L268 CegarLoopResult]: For program point L632(lines 632 652) no Hoare annotation was computed. [2020-07-07 10:45:45,887 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2020-07-07 10:45:45,887 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2020-07-07 10:45:45,887 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2020-07-07 10:45:45,887 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 145 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:45:45,888 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2020-07-07 10:45:45,888 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2020-07-07 10:45:45,888 INFO L271 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: true [2020-07-07 10:45:45,888 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 811 821) the Hoare annotation is: true [2020-07-07 10:45:45,888 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-07-07 10:45:45,888 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 811 821) no Hoare annotation was computed. [2020-07-07 10:45:45,888 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 811 821) no Hoare annotation was computed. [2020-07-07 10:45:45,889 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 803 810) the Hoare annotation is: true [2020-07-07 10:45:45,889 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 803 810) no Hoare annotation was computed. [2020-07-07 10:45:45,889 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 803 810) no Hoare annotation was computed. [2020-07-07 10:45:45,889 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 770 794) no Hoare annotation was computed. [2020-07-07 10:45:45,889 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:45:45,889 INFO L268 CegarLoopResult]: For program point L789-1(lines 770 794) no Hoare annotation was computed. [2020-07-07 10:45:45,889 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 770 794) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:45:45,889 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:45:45,890 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:45:45,890 INFO L268 CegarLoopResult]: For program point L778(lines 778 786) no Hoare annotation was computed. [2020-07-07 10:45:45,890 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:45:45,890 INFO L268 CegarLoopResult]: For program point L776-1(line 776) no Hoare annotation was computed. [2020-07-07 10:45:45,890 INFO L268 CegarLoopResult]: For program point L774(lines 774 791) no Hoare annotation was computed. [2020-07-07 10:45:45,890 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 762 768) no Hoare annotation was computed. [2020-07-07 10:45:45,890 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 762 768) the Hoare annotation is: true [2020-07-07 10:45:45,891 INFO L264 CegarLoopResult]: At program point testENTRY(lines 666 731) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:45:45,891 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:45:45,891 INFO L268 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-07-07 10:45:45,891 INFO L268 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-07-07 10:45:45,891 INFO L268 CegarLoopResult]: For program point testFINAL(lines 666 731) no Hoare annotation was computed. [2020-07-07 10:45:45,891 INFO L264 CegarLoopResult]: At program point L721(lines 676 723) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:45:45,891 INFO L264 CegarLoopResult]: At program point L688(line 688) 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) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:45:45,892 INFO L268 CegarLoopResult]: For program point L686(lines 686 692) no Hoare annotation was computed. [2020-07-07 10:45:45,892 INFO L268 CegarLoopResult]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2020-07-07 10:45:45,892 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-07 10:45:45,892 INFO L264 CegarLoopResult]: At program point L724(lines 675 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:45,892 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:45:45,892 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-07 10:45:45,892 INFO L264 CegarLoopResult]: At program point L712-1(lines 706 719) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:45:45,893 INFO L268 CegarLoopResult]: For program point L677(lines 676 723) no Hoare annotation was computed. [2020-07-07 10:45:45,893 INFO L268 CegarLoopResult]: For program point testEXIT(lines 666 731) no Hoare annotation was computed. [2020-07-07 10:45:45,893 INFO L268 CegarLoopResult]: For program point L706(lines 706 719) no Hoare annotation was computed. [2020-07-07 10:45:45,893 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2020-07-07 10:45:45,893 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2020-07-07 10:45:45,893 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2020-07-07 10:45:45,893 INFO L268 CegarLoopResult]: For program point L592(lines 592 599) no Hoare annotation was computed. [2020-07-07 10:45:45,894 INFO L268 CegarLoopResult]: For program point L586(lines 586 606) no Hoare annotation was computed. [2020-07-07 10:45:45,894 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2020-07-07 10:45:45,894 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 239 261) no Hoare annotation was computed. [2020-07-07 10:45:45,894 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-07 10:45:45,894 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 239 261) no Hoare annotation was computed. [2020-07-07 10:45:45,894 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 255) no Hoare annotation was computed. [2020-07-07 10:45:45,894 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 239 261) no Hoare annotation was computed. [2020-07-07 10:45:45,894 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:45:45,895 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:45:45,895 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:45:45,895 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2020-07-07 10:45:45,895 INFO L268 CegarLoopResult]: For program point L539(lines 517 540) no Hoare annotation was computed. [2020-07-07 10:45:45,895 INFO L268 CegarLoopResult]: For program point L498(lines 498 514) no Hoare annotation was computed. [2020-07-07 10:45:45,895 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-07-07 10:45:45,895 INFO L268 CegarLoopResult]: For program point L519(lines 518 538) no Hoare annotation was computed. [2020-07-07 10:45:45,895 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-07 10:45:45,896 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2020-07-07 10:45:45,896 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-07 10:45:45,896 INFO L268 CegarLoopResult]: For program point L515(lines 515 556) no Hoare annotation was computed. [2020-07-07 10:45:45,896 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-07 10:45:45,896 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-07 10:45:45,896 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2020-07-07 10:45:45,896 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-07-07 10:45:45,896 INFO L268 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-07-07 10:45:45,897 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-07 10:45:45,897 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2020-07-07 10:45:45,897 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:45,897 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-07 10:45:45,897 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:45,898 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 795 802) no Hoare annotation was computed. [2020-07-07 10:45:45,898 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 795 802) no Hoare annotation was computed. [2020-07-07 10:45:45,898 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 795 802) no Hoare annotation was computed. [2020-07-07 10:45:45,898 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 262 270) the Hoare annotation is: true [2020-07-07 10:45:45,898 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 262 270) no Hoare annotation was computed. [2020-07-07 10:45:45,898 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 262 270) no Hoare annotation was computed. [2020-07-07 10:45:45,898 INFO L268 CegarLoopResult]: For program point L222-1(lines 218 229) no Hoare annotation was computed. [2020-07-07 10:45:45,899 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 218 229) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:45:45,899 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 218 229) no Hoare annotation was computed. [2020-07-07 10:45:45,899 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:45,899 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:45:45,899 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:45,899 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 738 761) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:45:45,899 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:45:45,900 INFO L264 CegarLoopResult]: At program point L749(lines 749 755) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:45:45,900 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 738 761) no Hoare annotation was computed. [2020-07-07 10:45:45,900 INFO L264 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:45:45,900 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 738 761) no Hoare annotation was computed. [2020-07-07 10:45:45,900 INFO L268 CegarLoopResult]: For program point L742(lines 741 760) no Hoare annotation was computed. [2020-07-07 10:45:45,900 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2020-07-07 10:45:45,900 INFO L268 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-07-07 10:45:45,901 INFO L271 CegarLoopResult]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2020-07-07 10:45:45,901 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2020-07-07 10:45:45,901 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 10:45:45,901 INFO L271 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2020-07-07 10:45:45,901 INFO L271 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: true [2020-07-07 10:45:45,901 INFO L268 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2020-07-07 10:45:45,901 INFO L271 CegarLoopResult]: At program point L105(lines 80 109) the Hoare annotation is: true [2020-07-07 10:45:45,901 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-07 10:45:45,902 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 230 238) the Hoare annotation is: true [2020-07-07 10:45:45,902 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 230 238) no Hoare annotation was computed. [2020-07-07 10:45:45,902 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 230 238) no Hoare annotation was computed. [2020-07-07 10:45:45,902 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 194 205) the Hoare annotation is: true [2020-07-07 10:45:45,902 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 194 205) no Hoare annotation was computed. [2020-07-07 10:45:45,902 INFO L268 CegarLoopResult]: For program point L198-1(lines 194 205) no Hoare annotation was computed. [2020-07-07 10:45:45,902 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2020-07-07 10:45:45,902 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2020-07-07 10:45:45,902 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:45,903 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 10:45:45,903 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:45:45,903 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:45,903 INFO L268 CegarLoopResult]: For program point L210-1(lines 206 217) no Hoare annotation was computed. [2020-07-07 10:45:45,903 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 206 217) no Hoare annotation was computed. [2020-07-07 10:45:45,903 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 206 217) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:45:45,903 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2020-07-07 10:45:45,904 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2020-07-07 10:45:45,904 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2020-07-07 10:45:45,904 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2020-07-07 10:45:45,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:45:45 BoogieIcfgContainer [2020-07-07 10:45:45,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:45:45,922 INFO L168 Benchmark]: Toolchain (without parser) took 33602.68 ms. Allocated memory was 139.5 MB in the beginning and 659.0 MB in the end (delta: 519.6 MB). Free memory was 103.1 MB in the beginning and 346.3 MB in the end (delta: -243.1 MB). Peak memory consumption was 536.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:45,923 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 10:45:45,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.74 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 172.4 MB in the end (delta: -69.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:45,924 INFO L168 Benchmark]: Boogie Preprocessor took 89.82 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:45,925 INFO L168 Benchmark]: RCFGBuilder took 1207.01 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.5 MB in the beginning and 200.6 MB in the end (delta: -32.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:45,926 INFO L168 Benchmark]: TraceAbstraction took 31616.63 ms. Allocated memory was 236.5 MB in the beginning and 659.0 MB in the end (delta: 422.6 MB). Free memory was 200.6 MB in the beginning and 346.3 MB in the end (delta: -145.7 MB). Peak memory consumption was 536.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:45,929 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.74 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 172.4 MB in the end (delta: -69.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.82 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1207.01 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.5 MB in the beginning and 200.6 MB in the end (delta: -32.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31616.63 ms. Allocated memory was 236.5 MB in the beginning and 659.0 MB in the end (delta: 422.6 MB). Free memory was 200.6 MB in the beginning and 346.3 MB in the end (delta: -145.7 MB). Peak memory consumption was 536.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 675]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 562 SDtfs, 1337 SDslu, 542 SDs, 0 SdLazy, 2744 SolverSat, 905 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1010 HoareAnnotationTreeSize, 618 FomulaSimplifications, 70024 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 52 FomulaSimplificationsInter, 19010 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 123273 SizeOfPredicates, 3 NumberOfNonLiveVariables, 751 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 37/46 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...