/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:40:12,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:40:12,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:40:12,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:40:12,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:40:12,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:40:12,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:40:12,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:40:12,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:40:12,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:40:12,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:40:12,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:40:12,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:40:12,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:40:12,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:40:12,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:40:12,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:40:12,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:40:12,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:40:12,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:40:12,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:40:12,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:40:12,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:40:12,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:40:12,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:40:12,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:40:12,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:40:13,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:40:13,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:40:13,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:40:13,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:40:13,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:40:13,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:40:13,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:40:13,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:40:13,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:40:13,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:40:13,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:40:13,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:40:13,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:40:13,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:40:13,013 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 10:40:13,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:40:13,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:40:13,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:40:13,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:40:13,038 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:40:13,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:40:13,039 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:40:13,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:40:13,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:40:13,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:40:13,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:40:13,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:40:13,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:40:13,041 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:40:13,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:40:13,042 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:40:13,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:40:13,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:40:13,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:40:13,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:40:13,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:40:13,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:40:13,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:40:13,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:40:13,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:40:13,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:40:13,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:40:13,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:40:13,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:40:13,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:40:13,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:40:13,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:40:13,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:40:13,340 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:40:13,341 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:40:13,342 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-07-07 10:40:13,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f5df3b2/0774ce014f1248629f41fb1e227b1b88/FLAG79ea2ccfc [2020-07-07 10:40:13,929 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:40:13,930 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-07-07 10:40:13,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f5df3b2/0774ce014f1248629f41fb1e227b1b88/FLAG79ea2ccfc [2020-07-07 10:40:14,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f5df3b2/0774ce014f1248629f41fb1e227b1b88 [2020-07-07 10:40:14,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:40:14,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:40:14,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:40:14,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:40:14,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:40:14,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72107118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14, skipping insertion in model container [2020-07-07 10:40:14,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:40:14,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:40:14,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:40:14,800 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:40:14,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:40:14,921 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:40:14,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14 WrapperNode [2020-07-07 10:40:14,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:40:14,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:40:14,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:40:14,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:40:14,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:15,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:40:15,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:40:15,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:40:15,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:40:15,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14" (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 10:40:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:40:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:40:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:40:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-07 10:40:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:40:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:40:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:40:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:40:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:40:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:40:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:40:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:40:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:40:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:40:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:40:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:40:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:40:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:40:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:40:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:40:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:40:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:40:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:40:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:40:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:40:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:40:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:40:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:40:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:40:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:40:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:40:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:40:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:40:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:40:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:40:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:40:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:40:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:40:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:40:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:40:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:40:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:40:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:40:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:40:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:40:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:40:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:40:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-07 10:40:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:40:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:40:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:40:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:40:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:40:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:40:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:40:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:40:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:40:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:40:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:40:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:40:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:40:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:40:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:40:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:40:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:40:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:40:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:40:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:40:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:40:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:40:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:40:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:40:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:40:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:40:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:40:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:40:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:40:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:40:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:40:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:40:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:40:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:40:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:40:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:40:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:40:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:40:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:40:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:40:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:40:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:40:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:40:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:40:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:40:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:40:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:40:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:40:16,362 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:40:16,364 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:40:16,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:40:16 BoogieIcfgContainer [2020-07-07 10:40:16,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:40:16,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:40:16,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:40:16,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:40:16,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:40:14" (1/3) ... [2020-07-07 10:40:16,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73de05e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:40:16, skipping insertion in model container [2020-07-07 10:40:16,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14" (2/3) ... [2020-07-07 10:40:16,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73de05e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:40:16, skipping insertion in model container [2020-07-07 10:40:16,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:40:16" (3/3) ... [2020-07-07 10:40:16,382 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2020-07-07 10:40:16,392 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:40:16,400 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:40:16,413 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:40:16,438 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:40:16,438 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:40:16,439 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:40:16,439 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:40:16,439 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:40:16,439 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:40:16,439 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:40:16,440 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:40:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-07 10:40:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:40:16,473 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:16,474 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 10:40:16,474 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:16,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:16,481 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2020-07-07 10:40:16,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:16,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942722037] [2020-07-07 10:40:16,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,191 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,331 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 10:40:17,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942722037] [2020-07-07 10:40:17,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:17,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:40:17,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569148722] [2020-07-07 10:40:17,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:40:17,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:17,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:40:17,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:40:17,360 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2020-07-07 10:40:18,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:18,557 INFO L93 Difference]: Finished difference Result 323 states and 418 transitions. [2020-07-07 10:40:18,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:40:18,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:40:18,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:18,573 INFO L225 Difference]: With dead ends: 323 [2020-07-07 10:40:18,573 INFO L226 Difference]: Without dead ends: 174 [2020-07-07 10:40:18,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:40:18,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-07-07 10:40:18,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 140. [2020-07-07 10:40:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-07 10:40:18,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2020-07-07 10:40:18,746 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2020-07-07 10:40:18,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:18,747 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2020-07-07 10:40:18,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:40:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2020-07-07 10:40:18,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:40:18,753 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:18,753 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 10:40:18,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:40:18,754 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:18,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:18,755 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2020-07-07 10:40:18,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:18,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920979925] [2020-07-07 10:40:18,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,194 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,236 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 10:40:19,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920979925] [2020-07-07 10:40:19,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:19,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:40:19,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874328210] [2020-07-07 10:40:19,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:40:19,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:19,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:40:19,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:40:19,241 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 4 states. [2020-07-07 10:40:19,670 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:20,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:20,547 INFO L93 Difference]: Finished difference Result 256 states and 309 transitions. [2020-07-07 10:40:20,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:40:20,548 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:40:20,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:20,550 INFO L225 Difference]: With dead ends: 256 [2020-07-07 10:40:20,551 INFO L226 Difference]: Without dead ends: 158 [2020-07-07 10:40:20,552 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 10:40:20,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-07 10:40:20,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 131. [2020-07-07 10:40:20,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-07 10:40:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2020-07-07 10:40:20,591 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2020-07-07 10:40:20,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:20,591 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2020-07-07 10:40:20,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:40:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2020-07-07 10:40:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:40:20,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:20,594 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 10:40:20,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:40:20,594 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:20,595 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2020-07-07 10:40:20,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:20,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766995508] [2020-07-07 10:40:20,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:20,932 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,032 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 10:40:21,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766995508] [2020-07-07 10:40:21,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:21,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:40:21,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068146928] [2020-07-07 10:40:21,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:40:21,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:21,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:40:21,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:40:21,035 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 8 states. [2020-07-07 10:40:21,422 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:21,780 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:40:22,037 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:22,275 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:23,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:23,549 INFO L93 Difference]: Finished difference Result 265 states and 323 transitions. [2020-07-07 10:40:23,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:40:23,550 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-07 10:40:23,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:23,552 INFO L225 Difference]: With dead ends: 265 [2020-07-07 10:40:23,555 INFO L226 Difference]: Without dead ends: 158 [2020-07-07 10:40:23,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:40:23,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-07 10:40:23,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 131. [2020-07-07 10:40:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-07 10:40:23,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2020-07-07 10:40:23,594 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2020-07-07 10:40:23,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:23,594 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2020-07-07 10:40:23,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:40:23,594 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2020-07-07 10:40:23,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:40:23,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:23,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:23,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:40:23,597 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:23,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2020-07-07 10:40:23,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:23,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002469782] [2020-07-07 10:40:23,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:23,917 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,034 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 10:40:24,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002469782] [2020-07-07 10:40:24,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:24,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:40:24,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039346121] [2020-07-07 10:40:24,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:40:24,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:24,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:40:24,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:40:24,038 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 6 states. [2020-07-07 10:40:24,445 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:25,547 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:26,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:26,249 INFO L93 Difference]: Finished difference Result 357 states and 439 transitions. [2020-07-07 10:40:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:40:26,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-07 10:40:26,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:26,254 INFO L225 Difference]: With dead ends: 357 [2020-07-07 10:40:26,255 INFO L226 Difference]: Without dead ends: 250 [2020-07-07 10:40:26,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:40:26,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-07-07 10:40:26,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 209. [2020-07-07 10:40:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-07 10:40:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2020-07-07 10:40:26,296 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2020-07-07 10:40:26,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:26,297 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2020-07-07 10:40:26,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:40:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2020-07-07 10:40:26,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-07 10:40:26,299 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:26,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:26,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:40:26,300 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:26,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:26,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2020-07-07 10:40:26,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:26,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196012778] [2020-07-07 10:40:26,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,646 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:26,807 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 10:40:26,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196012778] [2020-07-07 10:40:26,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:26,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:40:26,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379125217] [2020-07-07 10:40:26,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:40:26,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:26,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:40:26,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:40:26,812 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 8 states. [2020-07-07 10:40:27,202 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:28,166 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:28,512 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:29,027 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:29,267 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:29,544 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:30,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:30,551 INFO L93 Difference]: Finished difference Result 622 states and 764 transitions. [2020-07-07 10:40:30,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:40:30,552 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-07-07 10:40:30,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:30,556 INFO L225 Difference]: With dead ends: 622 [2020-07-07 10:40:30,556 INFO L226 Difference]: Without dead ends: 437 [2020-07-07 10:40:30,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:40:30,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-07 10:40:30,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 373. [2020-07-07 10:40:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-07 10:40:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2020-07-07 10:40:30,633 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2020-07-07 10:40:30,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:30,634 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2020-07-07 10:40:30,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:40:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2020-07-07 10:40:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-07 10:40:30,636 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:30,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:30,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:40:30,637 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:30,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:30,637 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2020-07-07 10:40:30,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:30,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562421222] [2020-07-07 10:40:30,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,893 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:30,998 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 10:40:30,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562421222] [2020-07-07 10:40:30,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:31,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:40:31,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840975597] [2020-07-07 10:40:31,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:40:31,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:31,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:40:31,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:40:31,008 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 9 states. [2020-07-07 10:40:31,584 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:32,700 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:32,958 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:33,979 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:34,214 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:34,453 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:34,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:34,663 INFO L93 Difference]: Finished difference Result 476 states and 594 transitions. [2020-07-07 10:40:34,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:40:34,664 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-07-07 10:40:34,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:34,668 INFO L225 Difference]: With dead ends: 476 [2020-07-07 10:40:34,669 INFO L226 Difference]: Without dead ends: 473 [2020-07-07 10:40:34,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:40:34,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-07-07 10:40:34,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 373. [2020-07-07 10:40:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-07 10:40:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2020-07-07 10:40:34,735 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2020-07-07 10:40:34,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:34,736 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2020-07-07 10:40:34,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:40:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2020-07-07 10:40:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-07 10:40:34,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:34,738 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:34,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:40:34,738 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:34,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:34,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2020-07-07 10:40:34,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:34,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715969130] [2020-07-07 10:40:34,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:34,985 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:35,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715969130] [2020-07-07 10:40:35,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:35,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:40:35,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102601925] [2020-07-07 10:40:35,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:40:35,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:35,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:40:35,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:40:35,117 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 9 states. [2020-07-07 10:40:35,960 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:36,206 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:40:36,446 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:36,670 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:37,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:37,778 INFO L93 Difference]: Finished difference Result 830 states and 1028 transitions. [2020-07-07 10:40:37,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:40:37,778 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-07 10:40:37,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:37,784 INFO L225 Difference]: With dead ends: 830 [2020-07-07 10:40:37,785 INFO L226 Difference]: Without dead ends: 481 [2020-07-07 10:40:37,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:40:37,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-07-07 10:40:37,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 383. [2020-07-07 10:40:37,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-07-07 10:40:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2020-07-07 10:40:37,900 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2020-07-07 10:40:37,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:37,900 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2020-07-07 10:40:37,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:40:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2020-07-07 10:40:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-07 10:40:37,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:37,905 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:37,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:40:37,906 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:37,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:37,907 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2020-07-07 10:40:37,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:37,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491023728] [2020-07-07 10:40:37,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,183 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:38,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491023728] [2020-07-07 10:40:38,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:38,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:40:38,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894860698] [2020-07-07 10:40:38,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:40:38,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:38,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:40:38,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:40:38,350 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 11 states. [2020-07-07 10:40:39,034 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:39,277 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:39,507 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:40,108 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:40,362 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:40,603 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:41,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:41,723 INFO L93 Difference]: Finished difference Result 850 states and 1050 transitions. [2020-07-07 10:40:41,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:40:41,724 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-07-07 10:40:41,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:41,727 INFO L225 Difference]: With dead ends: 850 [2020-07-07 10:40:41,728 INFO L226 Difference]: Without dead ends: 491 [2020-07-07 10:40:41,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:40:41,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-07-07 10:40:41,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 391. [2020-07-07 10:40:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-07-07 10:40:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2020-07-07 10:40:41,796 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2020-07-07 10:40:41,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:41,796 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2020-07-07 10:40:41,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:40:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2020-07-07 10:40:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-07 10:40:41,798 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:41,798 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:41,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:40:41,798 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:41,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:41,799 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2020-07-07 10:40:41,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:41,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279324302] [2020-07-07 10:40:41,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,043 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:42,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279324302] [2020-07-07 10:40:42,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:42,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:40:42,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896076711] [2020-07-07 10:40:42,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:40:42,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:42,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:40:42,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:40:42,196 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 7 states. [2020-07-07 10:40:42,555 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:43,032 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:45,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:45,026 INFO L93 Difference]: Finished difference Result 1153 states and 1472 transitions. [2020-07-07 10:40:45,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:40:45,026 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-07-07 10:40:45,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:45,032 INFO L225 Difference]: With dead ends: 1153 [2020-07-07 10:40:45,032 INFO L226 Difference]: Without dead ends: 786 [2020-07-07 10:40:45,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:40:45,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-07-07 10:40:45,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 687. [2020-07-07 10:40:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-07-07 10:40:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 813 transitions. [2020-07-07 10:40:45,222 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 813 transitions. Word has length 98 [2020-07-07 10:40:45,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:45,223 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 813 transitions. [2020-07-07 10:40:45,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:40:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 813 transitions. [2020-07-07 10:40:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-07 10:40:45,226 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:45,226 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:45,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:40:45,226 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:45,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:45,227 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2020-07-07 10:40:45,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:45,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64538435] [2020-07-07 10:40:45,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,513 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:45,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:40:45,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64538435] [2020-07-07 10:40:45,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424992690] [2020-07-07 10:40:45,781 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 10:40:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:46,011 INFO L264 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:40:46,034 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:40:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:40:46,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:40:46,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-07 10:40:46,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27782266] [2020-07-07 10:40:46,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:40:46,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:46,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:40:46,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:40:46,292 INFO L87 Difference]: Start difference. First operand 687 states and 813 transitions. Second operand 8 states. [2020-07-07 10:40:47,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:47,202 INFO L93 Difference]: Finished difference Result 1316 states and 1568 transitions. [2020-07-07 10:40:47,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:40:47,203 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-07-07 10:40:47,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:47,209 INFO L225 Difference]: With dead ends: 1316 [2020-07-07 10:40:47,209 INFO L226 Difference]: Without dead ends: 653 [2020-07-07 10:40:47,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:40:47,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-07-07 10:40:47,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2020-07-07 10:40:47,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-07-07 10:40:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 759 transitions. [2020-07-07 10:40:47,458 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 759 transitions. Word has length 102 [2020-07-07 10:40:47,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:47,458 INFO L479 AbstractCegarLoop]: Abstraction has 653 states and 759 transitions. [2020-07-07 10:40:47,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:40:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 759 transitions. [2020-07-07 10:40:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-07 10:40:47,462 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:47,463 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:47,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:40:47,677 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:47,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1698521745, now seen corresponding path program 1 times [2020-07-07 10:40:47,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:47,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40582733] [2020-07-07 10:40:47,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,073 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 10:40:48,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40582733] [2020-07-07 10:40:48,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433174638] [2020-07-07 10:40:48,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:40:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,578 INFO L264 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:40:48,595 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:40:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:48,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:40:48,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 18 [2020-07-07 10:40:48,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777524848] [2020-07-07 10:40:48,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:40:48,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:48,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:40:48,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:40:48,731 INFO L87 Difference]: Start difference. First operand 653 states and 759 transitions. Second operand 9 states. [2020-07-07 10:40:50,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:50,345 INFO L93 Difference]: Finished difference Result 1670 states and 2163 transitions. [2020-07-07 10:40:50,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:40:50,346 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2020-07-07 10:40:50,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:50,356 INFO L225 Difference]: With dead ends: 1670 [2020-07-07 10:40:50,356 INFO L226 Difference]: Without dead ends: 1165 [2020-07-07 10:40:50,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 203 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2020-07-07 10:40:50,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2020-07-07 10:40:50,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 931. [2020-07-07 10:40:50,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-07-07 10:40:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1094 transitions. [2020-07-07 10:40:50,566 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1094 transitions. Word has length 155 [2020-07-07 10:40:50,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:50,567 INFO L479 AbstractCegarLoop]: Abstraction has 931 states and 1094 transitions. [2020-07-07 10:40:50,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:40:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1094 transitions. [2020-07-07 10:40:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-07 10:40:50,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:50,570 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:50,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:40:50,784 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:50,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:50,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1973281359, now seen corresponding path program 1 times [2020-07-07 10:40:50,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:50,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554502670] [2020-07-07 10:40:50,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,068 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-07 10:40:51,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554502670] [2020-07-07 10:40:51,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102061651] [2020-07-07 10:40:51,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:40:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:51,472 INFO L264 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 10:40:51,480 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:40:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-07 10:40:51,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:40:51,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 16 [2020-07-07 10:40:51,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700723841] [2020-07-07 10:40:51,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:40:51,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:51,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:40:51,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:40:51,544 INFO L87 Difference]: Start difference. First operand 931 states and 1094 transitions. Second operand 6 states. [2020-07-07 10:40:51,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:51,665 INFO L93 Difference]: Finished difference Result 1319 states and 1547 transitions. [2020-07-07 10:40:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:40:51,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2020-07-07 10:40:51,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:51,667 INFO L225 Difference]: With dead ends: 1319 [2020-07-07 10:40:51,667 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:40:51,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:40:51,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:40:51,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:40:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:40:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:40:51,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-07-07 10:40:51,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:51,672 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:40:51,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:40:51,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:40:51,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:40:51,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:40:51,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:40:53,646 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 265 [2020-07-07 10:40:54,557 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 267 [2020-07-07 10:40:54,882 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 257 [2020-07-07 10:40:56,145 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 257 [2020-07-07 10:40:57,183 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-07-07 10:40:57,370 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-07 10:40:57,549 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:40:58,104 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:40:58,689 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 29 [2020-07-07 10:40:59,705 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 166 DAG size of output: 33 [2020-07-07 10:40:59,871 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-07 10:41:00,040 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-07 10:41:01,084 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 201 DAG size of output: 33 [2020-07-07 10:41:01,250 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-07-07 10:41:01,422 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:41:01,993 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2020-07-07 10:41:02,397 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2020-07-07 10:41:03,312 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 31 [2020-07-07 10:41:03,502 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-07 10:41:04,175 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2020-07-07 10:41:04,733 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 26 [2020-07-07 10:41:05,296 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:41:06,408 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 203 DAG size of output: 34 [2020-07-07 10:41:07,428 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 197 DAG size of output: 32 [2020-07-07 10:41:08,093 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-07 10:41:08,304 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:41:08,461 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-07-07 10:41:08,979 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2020-07-07 10:41:09,148 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:41:09,316 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:41:09,802 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 21 [2020-07-07 10:41:10,327 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2020-07-07 10:41:10,492 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:41:10,676 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:41:11,530 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-07 10:41:12,447 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 39 [2020-07-07 10:41:13,015 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-07-07 10:41:13,179 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 18 [2020-07-07 10:41:13,362 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-07 10:41:13,534 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:41:13,711 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:41:14,284 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2020-07-07 10:41:14,463 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:41:14,660 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-07 10:41:14,936 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-07 10:41:15,466 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-07 10:41:16,480 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 197 DAG size of output: 32 [2020-07-07 10:41:16,653 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-07-07 10:41:16,831 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:41:17,031 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:41:17,259 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-07-07 10:41:17,264 INFO L268 CegarLoopResult]: For program point L190(lines 190 194) no Hoare annotation was computed. [2020-07-07 10:41:17,264 INFO L268 CegarLoopResult]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2020-07-07 10:41:17,265 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-07-07 10:41:17,265 INFO L268 CegarLoopResult]: For program point L184-2(lines 184 205) no Hoare annotation was computed. [2020-07-07 10:41:17,265 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 159 214) no Hoare annotation was computed. [2020-07-07 10:41:17,265 INFO L268 CegarLoopResult]: For program point L206(lines 183 207) no Hoare annotation was computed. [2020-07-07 10:41:17,266 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 159 214) no Hoare annotation was computed. [2020-07-07 10:41:17,266 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 159 214) no Hoare annotation was computed. [2020-07-07 10:41:17,266 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-07-07 10:41:17,266 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2020-07-07 10:41:17,266 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 215 274) no Hoare annotation was computed. [2020-07-07 10:41:17,266 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-07-07 10:41:17,267 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 266) no Hoare annotation was computed. [2020-07-07 10:41:17,267 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 215 274) no Hoare annotation was computed. [2020-07-07 10:41:17,267 INFO L268 CegarLoopResult]: For program point L267(lines 240 268) no Hoare annotation was computed. [2020-07-07 10:41:17,267 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 215 274) no Hoare annotation was computed. [2020-07-07 10:41:17,267 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-07 10:41:17,267 INFO L268 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-07-07 10:41:17,267 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2020-07-07 10:41:17,267 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2020-07-07 10:41:17,267 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2020-07-07 10:41:17,267 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2020-07-07 10:41:17,268 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2020-07-07 10:41:17,268 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,268 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2020-07-07 10:41:17,268 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,268 INFO L264 CegarLoopResult]: At program point L848-1(line 848) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,269 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-07-07 10:41:17,269 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2020-07-07 10:41:17,269 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2020-07-07 10:41:17,269 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-07 10:41:17,269 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,269 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,270 INFO L264 CegarLoopResult]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,270 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-07 10:41:17,270 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-07 10:41:17,270 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 795 818) no Hoare annotation was computed. [2020-07-07 10:41:17,270 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 795 818) no Hoare annotation was computed. [2020-07-07 10:41:17,270 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 795 818) no Hoare annotation was computed. [2020-07-07 10:41:17,270 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-07 10:41:17,271 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-07 10:41:17,272 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2020-07-07 10:41:17,272 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2020-07-07 10:41:17,272 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2020-07-07 10:41:17,272 INFO L268 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2020-07-07 10:41:17,272 INFO L271 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: true [2020-07-07 10:41:17,272 INFO L268 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2020-07-07 10:41:17,272 INFO L268 CegarLoopResult]: For program point L751-1(line 751) no Hoare annotation was computed. [2020-07-07 10:41:17,273 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2020-07-07 10:41:17,273 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2020-07-07 10:41:17,273 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2020-07-07 10:41:17,273 INFO L268 CegarLoopResult]: For program point L696(lines 696 704) no Hoare annotation was computed. [2020-07-07 10:41:17,273 INFO L268 CegarLoopResult]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2020-07-07 10:41:17,273 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-07 10:41:17,273 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 689 724) no Hoare annotation was computed. [2020-07-07 10:41:17,273 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-07-07 10:41:17,274 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 689 724) no Hoare annotation was computed. [2020-07-07 10:41:17,274 INFO L268 CegarLoopResult]: For program point L708(lines 708 716) no Hoare annotation was computed. [2020-07-07 10:41:17,274 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 689 724) no Hoare annotation was computed. [2020-07-07 10:41:17,274 INFO L268 CegarLoopResult]: For program point L708-2(lines 708 716) no Hoare annotation was computed. [2020-07-07 10:41:17,274 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-07 10:41:17,274 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2020-07-07 10:41:17,274 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 113 158) no Hoare annotation was computed. [2020-07-07 10:41:17,274 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 113 158) no Hoare annotation was computed. [2020-07-07 10:41:17,274 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 113 158) no Hoare annotation was computed. [2020-07-07 10:41:17,275 INFO L268 CegarLoopResult]: For program point L446(lines 446 453) no Hoare annotation was computed. [2020-07-07 10:41:17,275 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 426 471) no Hoare annotation was computed. [2020-07-07 10:41:17,275 INFO L268 CegarLoopResult]: For program point L440(lines 440 460) no Hoare annotation was computed. [2020-07-07 10:41:17,275 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 460) no Hoare annotation was computed. [2020-07-07 10:41:17,275 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 426 471) no Hoare annotation was computed. [2020-07-07 10:41:17,275 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 426 471) no Hoare annotation was computed. [2020-07-07 10:41:17,275 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,276 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2020-07-07 10:41:17,276 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2020-07-07 10:41:17,276 INFO L268 CegarLoopResult]: For program point L674-1(line 674) no Hoare annotation was computed. [2020-07-07 10:41:17,276 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2020-07-07 10:41:17,276 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2020-07-07 10:41:17,276 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2020-07-07 10:41:17,276 INFO L271 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: true [2020-07-07 10:41:17,276 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-07 10:41:17,277 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2020-07-07 10:41:17,277 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2020-07-07 10:41:17,277 INFO L268 CegarLoopResult]: For program point L944(lines 944 950) no Hoare annotation was computed. [2020-07-07 10:41:17,277 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2020-07-07 10:41:17,277 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2020-07-07 10:41:17,277 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2020-07-07 10:41:17,277 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2020-07-07 10:41:17,277 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse4 .cse5 .cse3))) [2020-07-07 10:41:17,277 INFO L268 CegarLoopResult]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2020-07-07 10:41:17,278 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-07 10:41:17,278 INFO L264 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-07 10:41:17,278 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse5 .cse4 .cse3))) [2020-07-07 10:41:17,278 INFO L268 CegarLoopResult]: For program point L618(lines 618 626) no Hoare annotation was computed. [2020-07-07 10:41:17,278 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3))) [2020-07-07 10:41:17,278 INFO L268 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-07-07 10:41:17,279 INFO L268 CegarLoopResult]: For program point L614(lines 614 631) no Hoare annotation was computed. [2020-07-07 10:41:17,279 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2020-07-07 10:41:17,279 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2020-07-07 10:41:17,279 INFO L264 CegarLoopResult]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,279 INFO L268 CegarLoopResult]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2020-07-07 10:41:17,279 INFO L264 CegarLoopResult]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,279 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-07 10:41:17,280 INFO L264 CegarLoopResult]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse3 .cse4 .cse0 .cse5) (and .cse3 .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse2 .cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not .cse5))) [2020-07-07 10:41:17,280 INFO L268 CegarLoopResult]: For program point L488(lines 487 532) no Hoare annotation was computed. [2020-07-07 10:41:17,280 INFO L268 CegarLoopResult]: For program point L517(lines 517 528) no Hoare annotation was computed. [2020-07-07 10:41:17,280 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) .cse1) (and (<= 2 ~waterLevel~0) .cse2 .cse0 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not .cse3))) [2020-07-07 10:41:17,280 INFO L268 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2020-07-07 10:41:17,280 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2020-07-07 10:41:17,280 INFO L264 CegarLoopResult]: At program point L499(line 499) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse3 .cse0) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:41:17,281 INFO L264 CegarLoopResult]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse3 .cse0) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:41:17,281 INFO L268 CegarLoopResult]: For program point L497(lines 497 503) no Hoare annotation was computed. [2020-07-07 10:41:17,281 INFO L268 CegarLoopResult]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2020-07-07 10:41:17,281 INFO L268 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-07-07 10:41:17,281 INFO L268 CegarLoopResult]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2020-07-07 10:41:17,281 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 380 425) no Hoare annotation was computed. [2020-07-07 10:41:17,281 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 380 425) no Hoare annotation was computed. [2020-07-07 10:41:17,281 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 380 425) no Hoare annotation was computed. [2020-07-07 10:41:17,281 INFO L268 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-07-07 10:41:17,282 INFO L268 CegarLoopResult]: For program point L394(lines 394 414) no Hoare annotation was computed. [2020-07-07 10:41:17,282 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 414) no Hoare annotation was computed. [2020-07-07 10:41:17,282 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,282 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2020-07-07 10:41:17,282 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2020-07-07 10:41:17,282 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2020-07-07 10:41:17,282 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2020-07-07 10:41:17,282 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 908 930) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 908 930) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 908 930) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point L916(lines 916 924) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 924) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 277 379) no Hoare annotation was computed. [2020-07-07 10:41:17,283 INFO L268 CegarLoopResult]: For program point L347(lines 325 348) no Hoare annotation was computed. [2020-07-07 10:41:17,284 INFO L268 CegarLoopResult]: For program point L306(lines 306 322) no Hoare annotation was computed. [2020-07-07 10:41:17,284 INFO L268 CegarLoopResult]: For program point L366(lines 366 373) no Hoare annotation was computed. [2020-07-07 10:41:17,284 INFO L268 CegarLoopResult]: For program point L327(lines 326 346) no Hoare annotation was computed. [2020-07-07 10:41:17,284 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-07-07 10:41:17,284 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 277 379) no Hoare annotation was computed. [2020-07-07 10:41:17,284 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-07-07 10:41:17,284 INFO L268 CegarLoopResult]: For program point L323(lines 323 364) no Hoare annotation was computed. [2020-07-07 10:41:17,284 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-07-07 10:41:17,284 INFO L268 CegarLoopResult]: For program point L342-1(line 342) no Hoare annotation was computed. [2020-07-07 10:41:17,285 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 277 379) no Hoare annotation was computed. [2020-07-07 10:41:17,285 INFO L268 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-07-07 10:41:17,285 INFO L268 CegarLoopResult]: For program point L365(lines 365 376) no Hoare annotation was computed. [2020-07-07 10:41:17,285 INFO L268 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-07-07 10:41:17,285 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 346) no Hoare annotation was computed. [2020-07-07 10:41:17,285 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,286 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#t~string47.base)| |#t~string47.base|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |old(#t~string55.offset)| |#t~string55.offset|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string33.base)| |#t~string33.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |old(#t~string24.offset)| |#t~string24.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |old(#t~string34.base)| |#t~string34.base|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |#t~string51.base| |old(#t~string51.base)|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#t~string49.base)| |#t~string49.base|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(#t~string32.base)| |#t~string32.base|) (= |old(#t~string74.base)| |#t~string74.base|) (= |#t~string55.base| |old(#t~string55.base)|) (= |old(#t~string33.offset)| |#t~string33.offset|) (= |old(#t~string31.base)| |#t~string31.base|) (= |old(#t~string49.offset)| |#t~string49.offset|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string47.offset)| |#t~string47.offset|) (= |#t~string59.base| |old(#t~string59.base)|) (= |old(#t~string25.base)| |#t~string25.base|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |old(#t~string26.offset)| |#t~string26.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(#length)| |#length|) (= |old(#t~string24.base)| |#t~string24.base|) (= |old(#t~string66.base)| |#t~string66.base|) (= |old(#t~string70.base)| |#t~string70.base|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |old(#t~string34.offset)| |#t~string34.offset|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string31.offset)| |#t~string31.offset|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(#t~string53.offset)| |#t~string53.offset|)) [2020-07-07 10:41:17,286 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,286 INFO L264 CegarLoopResult]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:41:17,286 INFO L268 CegarLoopResult]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2020-07-07 10:41:17,286 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2020-07-07 10:41:17,286 INFO L268 CegarLoopResult]: For program point L651(lines 651 657) no Hoare annotation was computed. [2020-07-07 10:41:17,286 INFO L264 CegarLoopResult]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-07 10:41:17,287 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-07 10:41:17,287 INFO L268 CegarLoopResult]: For program point L649-1(line 649) no Hoare annotation was computed. [2020-07-07 10:41:17,287 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2020-07-07 10:41:17,287 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-07 10:41:17,287 INFO L271 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: true [2020-07-07 10:41:17,287 INFO L268 CegarLoopResult]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2020-07-07 10:41:17,287 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-07-07 10:41:17,287 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2020-07-07 10:41:17,288 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2020-07-07 10:41:17,288 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 931 939) no Hoare annotation was computed. [2020-07-07 10:41:17,288 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 931 939) no Hoare annotation was computed. [2020-07-07 10:41:17,288 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 931 939) no Hoare annotation was computed. [2020-07-07 10:41:17,288 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,288 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,288 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,288 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse4) (or .cse0 .cse1 .cse3 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse4))) [2020-07-07 10:41:17,289 INFO L268 CegarLoopResult]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2020-07-07 10:41:17,289 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2020-07-07 10:41:17,289 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2020-07-07 10:41:17,289 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2020-07-07 10:41:17,289 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2020-07-07 10:41:17,289 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse1 .cse6 .cse7 .cse4))) [2020-07-07 10:41:17,289 INFO L264 CegarLoopResult]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse11 (= 0 ~methaneLevelCritical~0)) (.cse10 (= 1 ~systemActive~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= 0 ~pumpRunning~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse12)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (and .cse12 .cse9)) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (and .cse11 (<= 2 ~waterLevel~0) .cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not .cse11)) (.cse4 (not .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse7 .cse5 .cse6 .cse4 .cse8) (or .cse0 .cse2 .cse7 .cse3 .cse4 .cse8) (or .cse2 .cse7 .cse9 (not (= 1 |old(~waterLevel~0)|)) .cse4)))) [2020-07-07 10:41:17,290 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse8)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse1 .cse6 .cse7 .cse4)))) [2020-07-07 10:41:17,290 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3) (or .cse6 .cse4 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse3))) [2020-07-07 10:41:17,290 INFO L268 CegarLoopResult]: For program point L556(lines 555 574) no Hoare annotation was computed. [2020-07-07 10:41:17,290 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2020-07-07 10:41:17,290 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2020-07-07 10:41:17,290 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2020-07-07 10:41:17,290 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2020-07-07 10:41:17,291 INFO L271 CegarLoopResult]: At program point L790(lines 765 794) the Hoare annotation is: true [2020-07-07 10:41:17,291 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-07 10:41:17,291 INFO L268 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-07-07 10:41:17,291 INFO L271 CegarLoopResult]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2020-07-07 10:41:17,291 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-07-07 10:41:17,291 INFO L271 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2020-07-07 10:41:17,291 INFO L271 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: true [2020-07-07 10:41:17,291 INFO L268 CegarLoopResult]: For program point L771-1(line 771) no Hoare annotation was computed. [2020-07-07 10:41:17,291 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:41:17,292 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2020-07-07 10:41:17,292 INFO L268 CegarLoopResult]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2020-07-07 10:41:17,292 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2020-07-07 10:41:17,292 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2020-07-07 10:41:17,292 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,292 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:41:17,292 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:41:17,292 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,293 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-07 10:41:17,293 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2020-07-07 10:41:17,293 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-07 10:41:17,293 INFO L268 CegarLoopResult]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2020-07-07 10:41:17,293 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-07 10:41:17,293 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-07 10:41:17,293 INFO L268 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-07-07 10:41:17,294 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-07 10:41:17,294 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-07 10:41:17,294 INFO L268 CegarLoopResult]: For program point L588(lines 588 605) no Hoare annotation was computed. [2020-07-07 10:41:17,294 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2020-07-07 10:41:17,294 INFO L268 CegarLoopResult]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2020-07-07 10:41:17,294 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 .cse3 .cse4 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4 .cse2))) [2020-07-07 10:41:17,294 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2020-07-07 10:41:17,295 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2020-07-07 10:41:17,295 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2020-07-07 10:41:17,295 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2020-07-07 10:41:17,295 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-07 10:41:17,295 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-07 10:41:17,295 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-07 10:41:17,295 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-07 10:41:17,295 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2020-07-07 10:41:17,295 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-07 10:41:17,296 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-07 10:41:17,296 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-07 10:41:17,296 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-07 10:41:17,296 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-07 10:41:17,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:41:17 BoogieIcfgContainer [2020-07-07 10:41:17,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:41:17,315 INFO L168 Benchmark]: Toolchain (without parser) took 63064.70 ms. Allocated memory was 145.8 MB in the beginning and 862.5 MB in the end (delta: 716.7 MB). Free memory was 102.4 MB in the beginning and 260.4 MB in the end (delta: -158.0 MB). Peak memory consumption was 715.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,316 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.26 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 170.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,317 INFO L168 Benchmark]: Boogie Preprocessor took 83.82 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,318 INFO L168 Benchmark]: RCFGBuilder took 1365.75 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 166.6 MB in the beginning and 193.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,318 INFO L168 Benchmark]: TraceAbstraction took 60939.72 ms. Allocated memory was 237.5 MB in the beginning and 862.5 MB in the end (delta: 625.0 MB). Free memory was 193.8 MB in the beginning and 260.4 MB in the end (delta: -66.7 MB). Peak memory consumption was 715.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,321 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.26 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 170.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.82 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1365.75 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 166.6 MB in the beginning and 193.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60939.72 ms. Allocated memory was 237.5 MB in the beginning and 862.5 MB in the end (delta: 625.0 MB). Free memory was 193.8 MB in the beginning and 260.4 MB in the end (delta: -66.7 MB). Peak memory consumption was 715.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) <= waterLevel)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && \old(waterLevel) <= waterLevel)) || ((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 26.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1745 SDtfs, 2396 SDslu, 2648 SDs, 0 SdLazy, 6450 SolverSat, 1426 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 930 GetRequests, 770 SyntacticMatches, 9 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=931occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 824 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1748 PreInvPairs, 1818 NumberOfFragments, 1983 HoareAnnotationTreeSize, 1748 FomulaSimplifications, 59769489 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 1828119 FormulaSimplificationTreeSizeReductionInter, 20.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1486 NumberOfCodeBlocks, 1486 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1471 ConstructedInterpolants, 0 QuantifiedInterpolants, 475498 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2535 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 143/151 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...